DUAL BAND FM TRANSCEVER. ic-e2820

Transcript

1 DUAL BAND FM TRANSCEVER ic-e S-XZ-C Apr.

2 INTRDUCTIN This service manual describes the latest service information for the IC-E DUAL BAND FM TRANSCEVER at the time of publication. MDEL VERSIN EUR- IC-E EUR- To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation. CAUTIN NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than V. This will ruin the transceiver. D NT expose the transceiver to rain, snow or any liquids. D NT reverse the polarities of the power supply when connecting the transceiver. D NT apply an RF signal of more than dbm ( mw) to the antenna connectors. This could damage the transceiver s front end. Be sure to include the following four points when ordering replacement parts:. -digit order numbers. Component part number and name. Equipment model name and unit name. Quantity required <SLE RDER> RDERING PARTS 9 S.IC TAFNG IC-E MAIN UNIT pieces Screw screw IC-E Top cover pieces Addresses are provided on the inside back cover for your convenience. REPAIR NTES. Make sure a problem is internal before disassembling the transceiver.. D NT open the transceiver until the transceiver is disconnected from its power source.. D NT force any of the variable components. Turn them slowly and smoothly.. D NT short any circuits or electronic parts. An insulated tuning tool MUST be used for all adjustments.. D NT keep power N for a long time when the transceiver is defective.. D NT transmit power into a signal generator or a sweep generator.. ALWAYS connect a db to db attenuator between the transceiver and a Modulation Analyzer or spectrum analyzer when using such test equipment.. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

3 CNTENTS SECTIN SPECIFICATINS SECTIN INSIDE VIEWS SECTIN DISASSEMBLY INSTRUCTINS SECTIN CIRCUIT DESCRIPITN - RECEIVER CIRCUITS TRANSMITTER CIRCUITS FREQUENCY SYNTHESIZER PWER SUPPLY CIRCUITS PRT ALLCATINS SECTIN ADJUSTMENT PRCEDURES - PREPARATIN FREQUENCY ADJUSTMENT TRANSMIT ADJUSTMENT RECEIVE ADJUSTMENT... - SECTIN PARTS LIST SECTIN MECHANICAL PARTS SECTIN BARD LAYUTS SECTIN 9 BLCK DIAGRAM SECTIN VLTAGE DIAGRAM SECTIN SECTIN HM- UT- (ptional product)

4 SECTIN SPECIFICATINS M GENERAL Frequency coverage : (unit: MHz) Version Europe Left Band Right Band, R x: 9.99* Rx:.99*, 9.99*, * * Tx:, Tx:, Europe Tx/Rx:, * Guaranteed: MHz range only.; * Guaranteed: MHz; * Not guaranteed Ty pe of emission : FM, AM ( Receive only), D V (optional UT- is required) Number of memory channels : (incl. scan edges and calls) Frequency resolution :,.,,.,,,,, khz perating temperature range : C to + C Fr equency stability : ±. ppm ( C to + C) Power supply requirement :. V DC ±% C urrent drain ( at. V DC: approx. ): Transmit at W A Receive standby. A ( simultaneous receive) max. audio. A Antenna connector : S-9 ( Ω) (Tx/Rx and Diversity) D imensions ( proj. not included) : M ain Unit (W) (H).(D) mm R emote controller (W) (H).(D) mm We ight ( approx. ) : Main unit. kg R emote controller g (incl. separation cable) M TRANSMITTER Modulation system : Variable reactance frequency modulation utput power : // W (approx.) M ax. frequency deviation : ±. khz (wide) ±. khz (narrow) Spurious emissions : Less than db Microphone connector : -pin modular ( Ω) M RECEIVER Receive system : Double-conversion superheterodyne Intermediate frequencies : Left band st:. MHz, nd: khz Right band st:. MHz, nd: khz S ensitivity ( amateur bands only) : F M ( db SINAD) Less than. µ V D V ( BER % ) Less than. µv (optional UT- is required) S quelch sensitivity ( threshold) : S electivity (typical) : Wide Less than. µv More than khz/ db Less than khz/ db Narrow More than khz/ db Less than khz/ db D V ( optional UT- is required) More than db S purious and image rejection : More than db *More than db for UHF on left band. A F output power ( at. V DC) : More than. W at % distortion with an Ω load Ext. speaker connectors : -conductor. (d) mm/ Ω Guaranteed MHz and MHz ranges only. A ll stated speci cations are subject to change without notice or obligation. -

5 SECTIN INSIDE VIEWS TP VIEW D/A converter (IC: MFP) st IF Mixer for UHF bands (IC: SPM) Electric volume (IC: SMB) D/A converter (IC: MFP) st IF Mixer for VHF bands (IC9: SPM) L filter (. 9. MHz) L divider (9.. MHz) Frequency synthesizer (Right band) Frequency synthesizer (Left band) AF switch (IC: CDBPWR) D/A converter (IC: MFP) AF filter (IC: LM9PWR) Level converter (IC: MAXIPWR) AF switch (IC: CDBPWR) BTTM VIEW VHF PA module (IC: S-AV) AF power amplifier (IC: LA) EEPRM (IC: LC) UHF PA module (IC: S-AUL) CPU (IC: HDFFC) IF IC (Left band ) (IC: TAFNG) DTMF decoder (IC: BUFS) IF IC (Right band) (IC: TAFNG) Reference frequency oscillator (Left band) Reference frequency oscillator (Right band) -

6 SECTIN DISASSEMBLY INSTRUCTIN. Removing the top cover q Unscrew screws, then remove the top cover.. Removing the MAIN UNIT q Unscrew screws from the MAIN UNIT. screws Top cover w Disconnect the cooling fan cable, and unsolder points at the antenna connectors (grey colored). w Disconnect the speaker cable. Cooling fan cable unsoldering points Speaker cable e Remove the MAIN UNIT in the direction of the arrow.. Removing the bottom cover q Unscrew screws, then remove the bottom cover. screws MAIN UNIT Bottom cover -

7 SECTIN CIRCUIT DESCRIPTIN - RECEIVER CIRCUITS RF CIRCUITS <Left band> MHz The received signals from the antenna connector ANT- (J) are passed through two LPFs (L,,, C, ; L, 9, 9, C,, ), then applied to the RF amplifier (Q) via TX/ switch (D). The amplified signals are passed through the switch (RL), attenuator (D) and tuned (D, ), before being applied to another RF amplifi er (Q). The amplifi ed signals are applied to the st mixer (IC9) via the another tuned (D, ) and switch (D). While the diversity operation is activated, the received signals are also input from ANT- (J). The received signals are passed through two LPFs (L,, 9, C, ; L9, 9, 9, C9,, ), antenna switch (D, ) and limitter (D, ), then applied to the RF amplifi er (Q9). The amplified signals are applied to the switch (RL), and gone through the same process as the received signals from ANT- (J). MHz The received signals from the antenna connector (J) are passed through two switches (RL and D) and the tuned (D), then applied to the RF amplifier (Q). The amplified signals are passed through the (D), attenuator (R9,, ) and switch (D) before being applied to the st mixer (IC9). MHz The received signals from the antenna connector (J) are passed through two switches (RL and D) and the tuned (D), then applied to the RF amplifi er (Q). The amplifi ed signals are passed through the (D), attenuator (R,, ) and switch (D) before being applied to the st mixer (IC9). MHz The received signals from the antenna connector (J) are passed through the LPF (L,,, C, ) and HPF (L,, C9, 9,, ), then applied to the RF amplifier (Q) via TX/ switch (D,, ). The amplifi ed signals are passed through the switch (RL), attenuator (D) and tuned (D9,,, ), before being applied to another RF amplifi er (Q). The amplifi ed signals are applied to the st mixer (IC9) via the another tuned (D,,, ) and switch (D). While the diversity operation is activated, the received signals are also input from antenna connector ANT- (J). The received signals are passed through the LPF (L,, 9, C, ), HPF (L9, 99, C9,, ), antenna switch (D9,, ) and limitter (D, ), then applied to the RF amplifi er (Q9). The amplified signals are applied to the switch (RL), and gone through the same process as the received signals from ANT- (J). RF CIRCUITS D D D, D D, D MHz Q D, D RF Q RF D, D D ATT D ATT RL Q D Q RF D, D9 LIMIT D9 D D TX/ LPF ANTENNA ANTENNA MHz Q9 RF D,D LIMIT D,D,D ANT LPF LPF Q9 RF LIMIT ANT HPF Left band D D MHz D, D, D, D, D, D D, D Q9 RF D,D, MHz D, D Q RF D9, D, D, D D ATT D ATT RL Q D D,D Q RF D9,D,D D,D9 LIMIT D D D TX/ HPF LPF Right band D D ATT ATT D D MHz Q RF MHz Q RF D D D D RL Q D D9 ATT Q RF HPF MHz ATT Q RF D HPF -

8 ST IF CIRCUITS signals from the RF circuits are converted into the. MHz st IF signal by being mixed with L signals from the left band VC (Q, D ). The converted IF signal from the st mixer is passed through the IF filter (FI) to be filtered. The filtered IF signal is applied to the st IF amplifier (Q) via the limiter (D). The amplified st IF signal is applied to the IF IC (IC, pin ) C ND IF AND DEMDULATR CIRCUITS (Fig. ) IC is an IF IC which contains nd mixer, limiter amplifi er, noise amplifi er, quadrature detector and RSSI circuit, etc. in its package. The st IF signal from the st IF amplifi er (Q) is converted into the khz nd IF signal by being mixed with tripled reference frequency signal (. MHz) from the PLL IC (IC) via the tripler (Q). The converted nd IF signal is output from pin, and passed through the ceramic filter (FI for narrow mode, FI for wide mode) to remove sideband noise, then applied to the IF IC from pin again. FM DEMDULATR The fi ltered nd IF signal from pin is amplifi ed at the limiter amplifier, and FM-demodulated at the quadrature detector circuit. The demodulated AF signals are output from pin 9 and routed to the AF circuits via two AF switches (IC and IC). AM DEMDULATR CIRCUITS In the AM mode, the nd IF signal from the FI is applied to the AM-demodulator circuit (Q, Q). The demodulated AF signals are routed to the AF circuits via two AF switches (IC and IC). SQUELCH CIRCUITS NISE SQUELCH A portion of FM-demodulated AF signals from the IF IC (IC, pin 9) are level-adjusted by D/A converter (IC), and passed throuhgh the noise fl tier (IC and some R and C) to be fi ltered noise components ( khz and above signals) in the AF signals. The fi ltered noise components aree detected in the IC and output from pin, then applied to the CPU (IC, pin ) as L_SQL signal. Then the CPU outputs L_AF_MUTE signal from pin to the speaker mute switch (Q), according to the L_SQL signal level. Thus the AF line is connected to the to turn the AF output FF. CTCSS/DTCS CTCSS/DTCS signals in the demodulated AF signals from the AF switch (IC) are passed through the tone filter (Q). The fi ltered CTCSS/DTCS signals are applied to the CPU IC, pin ) as L_DTCSIN signal. The CPU (IC) compares the applied signal and the set CTCSS/DTCS, then outputs control signal as same as NISE SQUELCH. 9 DTMF DTMF signals in the demodulated AF signals from the AF switch (IC) are passed through two AF switches (IC and IC), then applied to the DTMF decoder (IC) to be decoded. AF CIRCUITS The AM/FM-demodulated AF signals from the AF switch (IC) are passed through the AF filter (Q). The filtered AF signals are applied to the electric volume (IC) to be adjusted its level. The level-adjusted AF signals are applied to the dual AF power amplifiier (IC) to obtain AF output power level, then applied to the internal (CHASSIS; SP) or an external speaker via external speaker jack (J). If an external speaker is connected to the J, the leveladjusted AF signals from the electric volume (IC) are applied to the connected speaker. ND IF AND DEMDULATR CIRCUITS (LEFT BAND) DEMDULATR CIRCUITS (Left band) R C AFUT QUAD IFUT RSSI N-DET N-REC MIXIN SCIN SCUT MIXUT IFIN DEC FILUT FILIN L_R AM-demodulated AF signals to the AF circuits AM DEMDULATR CIRCUITS R R R9 Q R R C AGC voltage to the st IF amplifier (Q) FM-demodulatedAF signals from the D/A converter (IC) R R NISE FILTER FM-demodulated AF signals to the AF circuits L_SQL L_RSSI C R R C9 C R C R R C R C R C - Q C9 C R R C C nd IF FILTERS FI D C9 I D C9 R X FI I. MHz nd L signal from the PLL IC (IC) R C9 C9 D D QUADRATURE DETECTR IF IC (IC) st IF signal from the st IF amplifier(q) C R

9 SCIN SCUT MIXUT IFIN DEC FILUT FILIN C RF CIRCUITS <Right band> MHz The received signals from the antenna connector ANT- (J) are passed through two LPFs (L,,, C, ; L, 9, 9, C,, ), then applied to the RF amplifier (Q) via TX/ switch (D9). The amplified signals are passed through the attenuator (D) and tuned (D, ), before being applied to another RF amplifi er (Q). The amplified signals are applied to the st mixer (IC) via the another tuned (D, ) and switch (D). MHz The received signals from the antenna connector (J) are passed through the LPF (L,,, C, ) and HPF (L,, C9, 9,, ), then applied to the RF amplifier (Q) via TX/ switch (D,, ). The amplified signals are passed through the attenuator (D) and tuned (D,,, ), before being applied to another RF amplifier (Q9). The amplified signals are applied to the st mixer (IC) via the another tuned (D,,, ) and switch (D). MHz The received signals from the ANT- (J) are passed through the HPF (L,,,, C, 9,,,, 9) and switch (D), then applied to the RF amplifier (Q). The amplified signals are passed through the attenuator (R9,, ), and applied to the another RF amplifi er (Q) to be amplifi ed again. The amplifi ed signals are then passed through another attenuator (R) and switch (D9) before being applied to the st mixer (IC). ST IF CIRCUITS signals from the RF circuits are converted into the. MHz st IF signal by being mixed with L signals from the right band VC (Q, D9, 9; Q, D, 9, 9). The converted IF signal from the st mixer (IC) is passed through the IF filter (IF) to be filtered. The filtered IF signal is applied to the st IF amplifier (Q) via the limiter (D). The amplified st IF signal is applied to the IF IC (IC, pin ) ND IF AND DEMDULATR CIRCUITS IC is an IF IC which contains nd mixer, limiter amplifi er, noise amplifi er, quadrature detector and RSSI circuit, etc. in its package. The st IF signal from the st IF amplifi er (Q) is converted into the khz nd IF signal by being mixed with tripled reference frequency signal (.9 MHz) from the PLL IC (IC) via the tripler (Q). The converted nd IF signal is output from pin, and passed through the ceramic filter (FI for narrow mode, FI for wide mode) to remove sideband noise, then applied to the IF IC from pin again. FM DEMDULATR The fi ltered nd IF signal from pin is amplifi ed at the limiter amplifier, and FM-demodulated at the quadrature detector circuit (X). The demodulated AF signals are output from pin 9 and routed to the AF circuits via two AF switches (IC and IC). AM DEMDULATR CIRCUITS In the AM mode, the nd IF signal from the FI is applied to the AM-demodulator circuit (Q, Q). The demodulated AF signals are routed to the AF circuits via two AF switches (IC and IC). DEMDULATR CIRCUITS (Right band) R_R R AM DEMDULATR CIRCUITS AM-demodulated AF signals to the AF circuits Q R C R R R C R9 R C R AGC voltage to the st IF amplifier (Q) R C K. Q C R nd IF FILTERS C9 FI D9 C99 FI D9 C C9 C R_R R C9 D9 C9 D9.9 MHz nd L signal from the PLL IC (IC) FM-demodulatedAF signals from the D/A converter (IC) R R R NISE FILTER R R9 C C R C IF IC (IC) FM-demodulated AF signals to the AF circuits C R_SQL R_RSSI R R9 C C9 9 AFUT QUAD IFUT RSSI N-DET N-REC MIXIN X st IF signal from the st IF amplifier(q) R_R R QUADRATURE DETECTR -

10 R C R C SQUELCH CIRCUITS NISE SQUELCH A portion of FM-demodulated AF signals from the IF IC (IC, pin 9) are level-adjusted by D/A converter (IC), and passed throuhgh the noise fl tier (IC and some R and C) to be fi ltered noise components ( khz and above signals) in the AF signals. The fi ltered noise components are detected in the IC and output from pin, then applied to the CPU as R_SQL signal. Then the CPU outputs R_AF_MUTE signal from pin to the speaker mute switch (Q), according to the R_SQL signal level. Thus the AF line is connected to the to turn the AF output FF. CTCSS/DTCS CTCSS/DTCS signals in the demodulated AF signals from the AF switch (IC) are passed through the tone filter (Q). The fi ltered CTCSS/DTCS signals are applied to the CPU IC) as R_DTCS signal. The CPU (IC) compares the applied signal and the set CTCSS/DTCS, then outputs control signal as same as NISE SQUELCH. - TRANSMITTER CIRCUITS MICRPHNE LIFIER CIRCUITS The audio signals from the microphone (MIC signals) are applied to the microphone amplifi er (IC) via J and HPF (Q). The amplified MIC signals are passed through the microphone gain switch (Q) and MIC mute switch (IC), then passed through or by-passed ALC amplifi er (IC) via AF switches (IC9 and IC). The MIC signals from the AF switch (IC) are passed though the HPF (IC), LPF (IC) and AF switch (IC), and then applied to the AF amplifier (IC). The amplified MIC signals are applied to the D/A converter (IC) for level (deviation) adjustment. The level adjusted MIC signals are applied to the VC as the modulation signals via modulation signal selector. <PERATIN N THE LEFT BAND> The modulation signals are applied to the variable capacitor D of the left band VC (Q, D ) via the modulation selector (IC9) and modulation mute switch (Q9), and modulated. The modulated VC output are amplifi ed by the buffer (Q) and L amplifi er (IC), and applied to the transmit amplifiers as the TX signal, via the L switches (D, ), LPF(L, C, ) and attenuator (R,, ). TRANSMIT PWER LIFIERS TX signal from the attenuator (R,, ) is amplifi ed by pre-drive (Q) and drive (Q) amplifi ers to obtain RF level for power module (IC). The amplifi ed TX signal is applied to the power amplifier which is a VHF band PA module composed by two power MS-FETs. The power-amplified TX signal is passed through the LPF, power detector, antenna switch (D9) and LPF, before being applied to the antenna connector (CHASSIS; J). APC CIRCUITS A portion of the TX signal from IC is rectifi ed at the power detector (D9, D), and converted into the DC voltage which is in proportion to the RF power, and applied to the operational amplifier (IC, pin ). IC is an APC amplifier for both of V/UHF bands. The TX power setting voltage PCN_V from the D/A converter (IC, pin ) is applied to the pin as a reference. IC is rolled as a differential amplifier which outputs voltage in inverse proportion to rectified one. When the TX power increased, the rectified voltage also increased, that causes the decrease of output voltage of differential amplifier. The decrease of output voltage of differential amplifi er causes the drop of the gate voltage of IC, Thus the TX power maintained to keep stable level. TX muting is carried out by TX mute (Q) controlled by TX_mute signal. Applying TX_mute signal to the base terminal of Q to turn it N, V DC appears on the pin of IC and its output voltage downs to V DC to inactivate IC. VS C DTMF DTMF signals in the demodulated AF signals from the AF switch (IC) are passed through two AF switches (IC and IC), then applied to the DTMF decoder (IC) to be decoded. AF CIRCUITS The AM/FM-demodulated AF signals from the AF switch (IC) are passed through the AF filter (Q). The filtered AF signals are applied to the electric volume (IC) to be adjusted its level. The level-adjusted AF signals are applied to the dual AF power amplifiier (IC) to obtain AF output power level, then applied to the an external speaker via external speaker jack (J). MICRPHNE LIFIER CIRCUITS MIC signals from the microphone C9 C R R K R Q R HPF R C C R C R R R9 R R IC Microphone amplifier C MIC_SENC IC9 R AF switch Q R R R C R C R C9 IC R C ANMS INPUT UTPUT MIC mute switch DET IC IC R9 AF switch C R C R C R HPF R C C R R R HPF R C IC 9 R R R Amplifier LPF R C R R C IC R Modulation signals to the modulation circuits AF switch ALC -

11 <PERATIN N THE RIGHT BAND> The modulation signals are applied to the variable capacitor D of the left band VC (Q, D, 9, 9) via the modulation selector (IC) and modulation mute switch (Q), and modulated. The modulated VC output are amplifi ed by the buffer (Q) and L amplifi er (IC), and applied to the transmit amplifi ers as the TX signal, via the VC switch (D). The amplifi ed L signals are applied to the transmit amplifi ers via the L switch (D), two HPFs (L, C, ; L9, C, ) and attenuator (R,, ). TRANSMIT PWER LIFIERS TX signal from the attenuator (R,, ) is amplifi ed by pre-drive (Q) and drive (Q) amplifi ers to obtain RF level for power module (IC). The amplifi ed TX signal is applied to the power amplifier which is a UHF band PA module composed by two power MS-FETs. The power-amplified TX signal is passed through the LPF, power detector, antenna switch (D) and LPF, before being applied to the antenna connector (CHASSIS; J). APC CIRCUITS A portion of the TX signal from IC is rectifi ed at the power detector (D, ), and converted into the DC voltage which is in proportion to the RF power, and applied to the operational amplifier (IC, pin ). IC is an APC amplifier for both of V/UHF bands. The TX power setting voltage PCN_U from the D/A converter (IC, pin ) is applied to the pin as a reference. IC is rolled as a differential amplifier which outputs voltage in inverse proportion to rectified one. When the TX power increased, the rectified voltage also increased, that causes the decrease of output voltage of differential amplifier. The decrease of output voltage of differential amplifi er causes the drop of the gate voltage of IC, Thus the TX power maintained to keep stable level. TX muting is carried out by TX mute (Q) controlled by TX_mute signal. Applying TX_mute signal to the base terminal of Q to turn it N, V DC appears on the pin of IC and its output voltage downs to V DC to inactivate IC. APC CIRCUITS Q VT D9 VT Q IC HV LPF RF PWER DETECTR (VHF) D9,D,D LPF PRE DRIVE TX signal from L switch (D, D) LIMIT DRIVE PWR C L C C C C L D9 C R C9 C C C D C C C R TX/ C L C C L9 C L9 IC,Q,Q LPF TX signal from L switch (D) UT Q D Q UT IC TX_MUTE PCN_U APC CTRL PCN_V TX_MUTE D,D,D L C L C L PRE DRIVE LIMIT DRIVE PWR HV L C C C D R C99 C C R L R C C D C C C C TX/ C9 L C9 C L C LPF RF PWER DETECTR (UHF) HPF -

12 - FREQUENCY SYNTHESIZER VCs This transceiver has VCs; Left band VC, Right band VC and Right band TX/ VC. LEFT BAND VC (Q, D ) This VC oscillates st L signals for Left band and TX signal for VHF band. <While receiving> The VC output signal is amplifi ed by buffer (Q) and L amplifier (IC), and applied to the L filters according to the frequency. While Receiving MHz signals L signals.. MHz are applied to the divider (IC) via L switch (D) and attenuator (R,, ), and divided into.. MHz signals. The divided L signals are buffer-amplified by Q, and applied to the left band st mixer (IC9) via the LPF (L,, C9,, ) and another L switch (D). While Receiving MHz signals L signals.. MHz are passed through the LPF (L,, C, 9, 9, ) via L switches (D, ), and applied to the left band st mixer (IC9). While Receiving MHz signals L signals.. MHz are doubled to.. MHz signals, by being passed through the HPF (L9, C, 9, 9), LPF (L, C9, 9, 99) and HPF (L, C, ) via L switches (D, ). The doubled L signals are applied to the left band st mixer (IC9). RIGHT BAND VC (Q, D9, 9) This VC oscillates st L signals for right band ( MHz and MHz). The VC output signal is amplified by buffer (Q) and applied to the L amplifier (IC) via VC switch (D), and applied to the L fi lters according to the frequency. While Receiving MHz signals L signals.. MHz are passed through the LPF (L,, C9,, 9) via L switches (D, 9), and applied to the right band st mixer (IC). While Receiving MHz signals L signals.. MHz are applied to the L amplifier (IC) via L switch (D). The amplified L signals are doubled to. 9. MHz signals by being passed through the HPF (L,, C,, ), LPF (L, C9, 9, 99) and HPF (L, C, ). The doubled L signals are applied to the right band st mixer (IC). RIGHT BAND TX/ VC (Q, D, 9, 9) This VC oscillates st L signals for right band ( MHz). <While receiving> L signals.. MHz are passed through the RF mute switch (Q9) and LPF (L,, C) via L switches (D, ), and applied to the right band st mixer (IC). <While transmitting> The VC output signal is amplifi ed by buffer (Q) and L amplifier (IC), and applied to the transmit amplifiers via the L switches (D, ), LPF(L, C, ) and attenuator (R,, ). <While transmitting> The VC output signal is amplified by buffer (Q), and applied to the L amplifier (IC) via the VC switch (D). The amplifi ed L signals are applied to the transmit amplifi ers via the L switch (D), two HPFs (L, C, ; L9, C, ) and attenuator (R,, ). VC CNFIGULATIN BY FREQUENCY scillating Frequency VC LEFT BAND VC RIGHT BAND VC RIGHT BAND TX/ VC Components (Q, D ) (Q, D9, 9) (Q, D, 9, 9) ( MHz).. MHz.. MHz ( MHz).. MHz.. MHz ( MHz).. MHz.. MHz TX MHz MHz -

13 PLL CIRCUITS The PLL circuit provides stable oscillation of the transmit frequency and receive st L frequency. The PLL output frequency is controlled by the divided ratio (N-data) from the CPU. LEFT BAND VC LP A portion of VC output signals from the buffer (Q) are applied to the PLL IC (IC) via another buffer (Q). The applied signals are divided at the prescaler and programmable counter according to the control signals ( L_PLLSTB, PLLDATA and "PLLCK ) from the CPU. The divided signal is phase-compared with the. MHz reference frequency signal from the reference frequency oscillator (X), at the phase detector. The phase difference is output from pin as a pulse type signal after being passed through the internal charge pump. The output signal is converted into the DC voltage (lock voltage) by passing through the loop filter (R9, 9 9, C ). The lock voltage is applied to the variable capacitors (D and D), and locked to keep the VC frequency constant. If the oscillated signal drifts, its phase changes from that of the reference frequency, causing a lock voltage change to compensate for the drift in the VC oscillating frequency. LEFT BAND VC LP PLLCK PLLDATA L_PLLSTB X TCX IC.MHz PLL IC Q LP FIL.. MHz BUFF Q D D D BUFF Q IC To the TX amplifiers or L filters RIGHT BAND VC LP A portion of VC output signals from the buffer (Q) are applied to the PLL IC (IC) via the VC switch (D) and another buffer (Q). The applied signals are divided at the prescaler and programmable counter according to the control signals ( R_PLLSTB, PLLDATA and "PLLCK ) from the CPU. The divided signal is phase-compared with the. MHz reference frequency signal from the reference frequency oscillator (X), at the phase detector. The phase difference is output from pin as a pulse type signal after being passed through the internal charge pump. The output signal is converted into the DC voltage (lock voltage) by passing through the loop filter (Q,, D). The lock voltage is applied to the variable capacitors (D9, 9), and locked to keep the VC frequency constant. RIGHT BAND TX/ VC A portion of VC output signals from the buffer (Q) are applied to the PLL IC (IC) via the VC switch (D) and another buffer (Q). The applied signals are divided at the prescaler and programmable counter according to the control signals ( R_PLLSTB, PLLDATA and "PLLCK ) from the CPU. The divided signal is phase-compared with the. MHz reference frequency signal from the reference frequency oscillator (X), at the phase detector. The phase difference is output from pin as a pulse type signal after being passed through the internal charge pump. The output signal is converted into the DC voltage (lock voltage) by passing through the loop filter (Q,, D). The lock voltage is applied to the variable capacitors (D9, 9), and locked to keep the VC frequency constant. RIGHT BAND AND TX/ VC LP PLLCK PLLDATA R_PLLSTB TCX IC.MHz X PLL IC Q Q D LP FIL.. MHz Q D9 D9 Q D9 D9 D BUFF Q.. MHz BUFF Q Q D VC D VC BUFF IC To the TX amplifiers or L filters -

14 - PWER SUPPLY CIRCUITS Voltage from the power supply is routed to whole of the circuit in the transceiver via switches and regulators. MAIN UNIT IC CNTRL UNIT NISE FILTER HV TX power amplifiers (IC, IC) HV + REG + REG IC, D CURRENT DETECT IDET CPU (IC) (for current monitoring) +.V CPU (IC), Regulator (Q, Q), Protector/Buffer (IC), etc. IC V REG NISE FIL CPUV CPU (IC), EEPRM (IC), Reset IC (IC), etc. V Reset IC (IC9), LCD module, etc. Q, D9 VS REG VS PLL ICs (IC, IC), D/A converter (IC), ALC IC (IC), etc. Q, D VS REG LV DTMF decoder (IC), Electric volume (IC), AF mixer (IC9), etc. V Limitter (D D), etc. Q Q REG IC + REG V AF filter (Q, Q), MIC amplifier (IC), APC controller (IC), etc. PWR PWR CTRL AF power amplifier (IC) -

15 - CPU PRT ALLCATIN PIN No. PRT NAME DESCRIPTIN I/ AN DA_SEL MM_MUTE DCNT R_WN_SEL MIC_SENC MD_DA MDSEL R_PLLSTB L_PLLSTB L_AMC DTCS_SEL L_RC L_WN_SEL UMMUTE UTX_C 9 L_VC_SHIFT R_PLL R_UNLCK PLLCK PLLDATA L_UNLCK VMMUTE VTX_C L_PLL Cut-off frequency shifting signal to the HPF (IC). Cut-off frequency shifting signal to the HPF (IC). MIC mute signal to the MIC mute switch (IC). H =MIC mute. ALC amplifier control signal tot the AF switches (IC9 and IC). H =ALC amplifi er N. nd IF filter (Right band; Wide/Narrow) toggling signal. H =Narrow. "L =Wide. Microphone sensitivity select signal. H =High sensitivity. Modulation line switching signal to the MD selector (Left band; IC9). H =Modulation enable. Modulation line switching signal to the MD selector (Right band; IC). H =Modulation enable. Strobe signal to the PLL IC (Right band; IC). Strobe signal to the PLL IC (Left band; IC). AM-demodulator circuit (Left band) control signal. H =AM mode (AM-modulator circuit is activated). Tone filter switching signal to the LPF (Q). H =DTCS mode. L"=CTCSS mode. circuits (Left band) control signal. H = circuits (Left band) is activated. nd IF filter (Wide/Narrow) toggling signal.(left band) H =Narrow. L =Wide." Modulation mute signal to the MD mute switch (Right band; Q). H =Modulation muted. Transmitting control signal to the VT regulator (Q, ). VC oscillating frequency shift signal to the Left band VC. Lock-up time control signal to the loop fi lter (Right band). H =Fast lock-up time. PLL unlock signal from the PLL IC (Right band; IC). Clock signal to the PLL ICs (Right band; IC, Left band; IC). (Commonly used for both of the Left and Right bands.) Data to the PLL ICs (Right band; IC, Left band; IC). (Commonly used for both of Left and Right bands.) PLL unlock signal from the PLL IC (Left band; IC). Modulation mute signal to the MD mute switch (Left band; Q9). H =Modulation muted. Transmitting control signal to the UT regulator (Q, ). H =While transmitting. Lock-up time control signal to the loop fi lter (left band). H =Fast lock-up time. I I PIN No. PRT NAME DESCRIPTIN I/ R_UVC_SEL VC power control signal to the VC select switch (Right band UHF; Q, ). L =Right band TX/ VC is activated. 9 R_VVC_SEL VC power control signal to the VC select switch (Right band VHF; Q, ). L =Right band VC is activated. L_L_ L filter switching signal to the L regulator (Q). R_DA_SEL AF line switching signal to the AF switch (IC). R_AFFIL_SEL Switching signal to the AF filter (Right band; Q). R_DET_MUTE AF line switching signal to the AF switch (IC). H =AF mute. L_DA_SEL AF line switching signal to the AF switch (IC). L_DET_MUTE AF line switching signal to the AF switch (IC). H =AF mute. DVC Power control signal for the optional unit. R_AF_MUTE AF mute signal to the SP mute switch (Right band; Q). H =AF mute. L_AFFIL_SEL Switching signal to the AF fi lter (Left band; Q). DASTB Strobe signal to the D/A converter. DA_STB Strobe signal to the electric volume. DTCS DTCS signal. DTMF DTMF signal. MIC_SEL Connected microphone detect signal. I DTMSTB Strobe signal to the DTMF decoder (IC). - MICUD [UP]/[DWN] key input. I R_RSLV While receiving; inputs RSSI signal (IC; Right band). While transmitting; inputs Lock Voltage I from the PLL IC (IC). L_RSLV While receiving; inputs RSSI signal from IF ICl (IC; Left band). While transmitting; inputs Lock Voltage I from the PLL IC (IC). IDET Current level from the current detector (IC, Q). I R_DTCS_IN Demodulated DTCS signals from the CTCSS fi lter (Q). I L_DTCS_IN Demodulated DTCS signals from the CTCSS fi lter (Q). I TEMP Transceiver's internal temparature from the thermal detector circuit (R9). I SCL I/ port for clock signal to the EEPRM I/ (IC). AF_VL_CK Serial clock signal to the electric volume IC. AF_VL_DATA Data signal to the electric volume IC. 9 AF_VL_STB Latch enable signal to the electric volume IC. AF_VL_RES Reset signal to the electric volume IC. PWR Power control signal to the PWR controller (Q). H =While the power is N. SDA Data signal to the EEPRM (IC). I/ L_AF_MUTE AF mute signal to the SP mute switch (Q). MIC_PTT Input port for [PTT] key on the connected microphone. I - 9

16 PIN No. PRT NAME DESCRIPTIN I/ RESET Reset enable signal input. I L_SQL Noise signal from the IF IC (Left band; IC). I CL_SFT Clock frequency shifting signal. R_SQL Noise signal from the IF IC (Right band; IC). I R_DATA Data lines for the control unit. I TX_DATA Data lines for the control unit. TX Data bus for RS-C communication. Data bus for RS-C communication. I 9 DA_CK Serial clock signal to the D/A converter. DA_DATA Serial data to the D/A converter. DA_STB Strobe signal to the D/A converter. R_RC circuits (Right band) control signal. R_S Power line control signal to the MHz band RF circuit (Right band). R_ Power line control signal to the MHz band RF circuit (Right band). R_AMC AM-demodulator circuit (Right band) control signal. DTMSD Data to the DTMF decoder (IC). - DTMCK Clock signal to the DTMF decoder (IC). - -

17 SECTIN ADJUSTMENT PRCEDURE - PREPARATIN REQUIRED TEST EQUIPMENTS When adjusting IC-E, following test equipments and JIG cable (modified -pin modular jack; see the illust below) are required. EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE utput voltage :. V DC Frequency range : Hz DC power supply Audio generator Current capacity : More than A utput level : mv Measuring range : W RF power meter Frequency range : MHz Frequency range :. GHz Standard signal (terminated type) Impedance : Ω utput level :. generator (SSG) µv to mv R : Less than. : ( to dbm) Frequency counter Modulation Analyzer Frequency range :. MHz Frequency accuracy : ± ppm or better Sensitivity : mv or better Frequency range Measuring range : MHz : DC to ± khz AC millivoltmeter Terminator Attenuator Measuring range : mv to V Impedance Capacity : Ω : More than W Power attenuation : db Capacity : More than W JIG CABLE Controller -pin modular jack iuytrewq AUDI GENERATR ( Hz/ mv) + <SETTING> Frequency : khz Level : mv rms* mv rms* AC MILLIVLT METER ( mv to V) + Main unit JIG cable To the MICRPHNE CNNECTR q V w MICU/D e EXTMIC r PTT t MICE y MIC u i MICIN y (MIC) t (MICE) w (MICU/D) u () r (PTT) u () kω kω [PTT] ENTERING ADJUSTMENT MDE q Connect the JIG cable to the MICRPHNE CNNECTR (see the illust above). w Push and hold the both of [MAIN BAND] keys, then turn power N. KEY ASSIGNMENTS IN THE ADJUSTMENT MDE Entering adjustment mode, the function display shows adjustment item and conditions as below. DUAL BAND TRANSCEIVER [PWR] REF [DIAL] (Right band) Adjusts the value for the item manually. MAIN BAND V/MHz SCAN M/CALL MW DUP MNI NTE: This display is example only. [MAIN BAND] (Left band) TNE DTMF LW PRI M/CALL MW V/MHz SCAN MAIN BAND [V/MHz SCAN] Selects the next adjustment item. [M/Call MW] Selects the previous adjustment item. [MAIN BAND] (Right band) Stores the set value Adjusts the value for the item automatically. -

18 - FREQUENCY ADJUSTMENT CNNECTINS FR FREQENCY ADJUSTMENT FREQUENCY CUNTER (. GHz) IC-E To J DC power supply (. V/ A) Terminator ( Ω/ W) (Loose coupling) Fuses A Black Red REFERENCE FREQUENCY (Left Band) [L REF] [R REF] ADJUSTMENT ADJUSTMENT CNDITINS PERATIN VALUE Connect a Terminator to the Rotate the right band s [DIAL] to. MHz antenna connector (J). adjust the reference frequency, Loosely couple a Frequency Counter to the antenna connector (J). BAND] key. then push the right band s [MAIN Transmitting. MHz -

19 - TRANSMIT ADJUSTMENTS TRANSMIT UTPUT PWER ADJUSTMENT CNNECTINS FR TX PWER ADJUSTMENT IC-E To J DC power supply (. V/ A) RF PWER METER ( W/ Ω) Fuses A Black Red ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE (Band Connect an RF Power Meter to the Rotate the right band s [DIAL] to W Low) antenna connector (J). adjust the transmit output power, [L PHL] Transmitting then push the right band s [MAIN BAND] key during transmit. MHz BAND TRANSMIT UTPUT PWER (HI PWER) (MID PWER) (LW PWER) MHz BAND TRANSMIT UTPUT PWER (HI PWER) (MID PWER) (LW PWER) (Band High) [L PHH] (Band Low) [L PML] (Band High) [L PMH] (Band Low) [L PLL] (Band High) [L PLH] (Band Low) [R PHL] (Band High) [R PHH] (Band Low) [R PML] (Band High) [R PMH] (Band Low) [R PLL] (Band High) [R PHH] W W Connect an RF Power Meter to the antenna connector (J). Transmitting Rotate the right band s [DIAL] to adjust the transmit output power, then push the right band s [MAIN BAND] key during transmit. W W W -

20 DEVIATIN ADJUSTMENT CNNECTIN FR MDULATIN ADJUSTMENTS IC-E MDULATIN ANALYZER (. GHz) <SETTING> HPF : FF LPF : khz De-emphasis : FF Detector : (P-P)/ ATTENUATR ( db/ W) To J DC power supply (. V/ A) SCILLSCPE (DC to khz) Fuses A Black Red MHz BAND DEVIATIN (Left Band) MHz BAND MDULATIN BALANCE (Left Band) ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE (Band Low) (Band Center) (Band High) (Band Low) (Band Center) (Band High) MHz BAND DTCS MDULATIN (Left Band) MHz CTCSS MDULATIN (Left Band) (FM) [L FMD] [L FMD] (FM) [L FMD] [L FMD] (FM) [L FMD] [L FMD] (FM) [L FMB] [L FMB] (FM) [L FMB] [L FMB] (FM) [L FMB] [L FMB] (FM) [L MDT] [L MDT] (FM) [L MCT] [L MCT] Connect a Modulation Analyzer to Rotate the right band s [DIAL] to the antenna connector (J) through adjust the deviation, then push ±. khz an attenuator. the right band s [MAIN BAND] Connect an Audio Generator to the ±. khz key during transmit. JIG cable (See the page - for the connector and setting details). Transmitting ±. khz ±. khz ±. khz ±. khz Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. Connect an oscilloscope to the detector terminal of the Modulation Analyzer. No audio signals are applied to the JIG cable (See the page -). Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. No audio signals are applied to the JIG cable (See the page -). Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. No audio signals are applied to the JIG cable (See the page -). Transmitting Rotate the right band s [DIAL] to adjust the wave form, then push the right band s [MAIN BAND] key during transmit. Rotate the right band s [DIAL] to adjust the deviation, then push the right band s [MAIN BAND] key. Rotate the right band s [DIAL] to adjust the deviation, then push the right band s [MAIN BAND] key. (Square Wave form) ±. khz ±. khz -

21 DEVIATIN ADJUSTMENT (continued) MHz DEVIATIN MHz MDULATIN BALANCE MHz DTCS MDULATIN MHz CTCSS MDULATIN DV MDE DEVIATIN* ( MHz Band) DV MDE MDULATIN BALANCE* ( MHz Band) DV MDE DEVIATIN* ( MHz Band) DV MDE MDULATIN BALANCE* ( MHz Band) ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE (Band Low) (Band Center) (Band High) (Band Low) (Band Center) (Band High) *; ptional UT- is required. (FM) [R FMD] [R FMD] (FM) [R FMD] [R FMD] (FM) [R FMD] [R FMD] (FM) [R FMB] [R FMB] (FM) [R FMB] [R FMB] (FM) [R FMB] [R FMB] (FM) [R MDT] [R MDT] (FM) [R MCT] [R MCT] (Band Low) [L MDS] (Band Center) [L MDS] (Band High) [L MDS] (Band Low) [L MDB] (Band Center) [L MDB] (Band High) [L MDB] (Band Low) [R MDS] (Band Center) [R MDS] (Band High) [R MDS] (Band Low) [R MDB] (Band Center) [R MDB] (Band High) [R MDB] Connect a Modulation Analyzer to Rotate the right band s [DIAL] to the antenna connector (J) through adjust the deviation, then push ±. khz an attenuator. the right band s [MAIN BAND] Connect an Audio Generator to the ±. khz key during transmit. JIG cable (See the page - for the connector and setting details). Transmitting ±. khz ±. khz ±. khz ±. khz Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. No audio signals are applied to the JIG cable (See the page -). Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. No audio signals are applied to the JIG cable (See the page -). Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. No audio signals are applied to the JIG cable (See the page -). Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. Transmitting Connect a Modulation Analyzer to the antenna connector (J) through an attenuator. Transmitting - Rotate the right band s [DIAL] to adjust the wave form, then push the right band s [MAIN BAND] key during transmit. Rotate the right band s [DIAL] to adjust the deviation, then push the right band s [MAIN BAND] key. Rotate the right band s [DIAL] to adjust the deviation, then push the right band s [MAIN BAND] key. Rotate the right band s [DIAL] to adjust the deviation, then push the right band s [MAIN BAND] key during transmit. Rotate the right band s [DIAL] to adjust the wave form, then push the right band s [MAIN BAND] key during transmit. Rotate the right band s [DIAL] to adjust the wave form, then push the right band s [MAIN BAND] key during transmit. Rotate the right band s [DIAL] to adjust the wave form, then push the right band s [MAIN BAND] key during transmit. (Square Wave form) ±. khz ±. khz ±.9 khz Minimum deviation ± khz Minimum deviation

22 - RECEIVE ADJUSTMENTS SENSITIVITY ADJUSTMENT CNNECTIN FR RECEIVE SENSITIVITY AND RSSI ADJUSTMENTS IC-E To J <SETTING> For SENSITIVITY ADJ. Modulation : khz Deviation : ±. khz Level : dbµ STANDARD SIGNAL GENERATR (. GHz) DC power supply (. V/ A) Fuses A Black Red ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE SENSITIVITY Connect a Standard Signal Generator to the antenna connector (J).. MHz (Left Band) [L LT] [R LT]. MHz (Left Band) [L MT] [R MT].9 MHz (Left Band) [L HT] [R HT]. MHz (Left Band) [L LT] [R LH]. MHz (Left Band) [L MT] [R MT].9 MHz (Left Band) [L HT] [R HT]. MHz (Left Band) [L LT]. MHz (Left Band) [L MT]. MHz (Left Band) [L HT]. MHz (Left Band) [L LT]. MHz (Left Band) [L MT]. MHz (Left Band) [L HT] Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :.9 MHz Set the SSG as; Frequency :. MHz 9 Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :.9 MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Push the right band s [MAIN BAND] key. (Automatic adjustment) -

23 SENSITIVITY ADJUSTMENT (continued) ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE SENSITIVITY. MHz (Left Band) [L LT] [R LT] 99.9 MHz (Left Band) [L HT] [R HT]. MHz (Left Band) [L LT] [R LT]. MHz (Left Band) [L MT] [R MT] 9.9 MHz (Left Band) [L HT] [R HT]. MHz (Left Band) [L LT] [R LT]. MHz (Left Band) [L MT] [R MT] 9.9 MHz (Left Band) [L HT] [R HT] 9 Set the SSG as; Frequency :. MHz Set the SSG as; Frequency : 99.9 MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency : 9.9 MHz 9 Set the SSG as; Frequency :. MHz Set the SSG as; Frequency :. MHz Set the SSG as; Frequency : 9.9 MHz Push the right band s [MAIN BAND] key. (Automatic adjustment) -

24 S-METER ADJUSTMENT S-METER ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE Connect a Standard Signal Generator to the antenna connector (J).. MHz (S level) (Full scale). MHz (S level) (Full scale). MHz (S level) (Full scale). MHz (S level) (Full scale). MHz (S level) (Full scale). MHz (S level) (Full scale). MHz (S level) (Full scale) 9. MHz (S level) (Full scale) (Left Band) [L S] [R S] (Left Band) [L SF] [R SF] (Left Band) [L S] [R S] (Left Band) [L SF] [R SF] (Left Band) [L S] (Left Band) [L SF] (Left Band) [L S] (Left Band) [L SF] (Left Band) [L S] [R S] (Left Band) [L SF] [R SF] (Left Band) [L S] [R S] (Left Band) [L SF] [R SF] (Left Band) [L S] [R S] (Left Band) [L SF] [R SF] (Left Band) [R S] [R SF] Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ 9 Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ 9 Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency : 9. MHz Level : dbµ Set the SSG as; Level : + dbµ Push the right band s [MAIN BAND] key. (Automatic adjustment) -

25 SQUELCH ADJUSTMENT CNNECTIN FR SQUELCH ADJUSTMENT IC-E To J TERMINATR ( Ω/ W) DC power supply (. V/ A) Fuses A Black Red SQUELCH ADJUSTMENT ITEM PERATIN VALUE Connect a Terminator ( Ω) to the antenna connector (J).. MHz (FM) [L SQ] (FM) [R SQ] [L SQ] [R SQ]. MHz (FM) [L SQ] (FM) [R SQ] [L SQ] [R SQ]. MHz (FM) [L SQ] [L SQ]. MHz (FM) [L SQ] [L SQ]. MHz (FM) [L SQ] (FM) [R SQ] [L SQ] [R SQ]. MHz (FM) [L SQ] (FM) [R SQ] [L SQ] [R SQ] 9 9 Push the right band s [MAIN BAND] key. (Automatic adjustment) - 9

26 SQUELCH ADJUSTMENT (continued) ADJUSTMENT ITEM PERATIN VALUE SQUELCH. MHz (FM) [L SQ] (FM) [R SQ] [L SQ] [R SQ] 9. MHz (FM) [R SQ] [R SQ] Push the [MAIN BAND] key. (Automatic adjustment) DIVERSITY ADJUSTMENT CNNECTIN FR DIVERSITY ADJUSTMENT STANDARD SIGNAL GENERATR () (. GHz) To J IC-E STANDARD SIGNAL GENERATR () (. GHz) To J DC power supply (. V/ A) Fuses A Black Red DIVERSITY ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE Connect a Standard Signal Generator to each antenna connector (J and J) independently.. MHz (S level) (Left Band) [L DL] [R DL] (S level) (Left Band) [L DM] [R DM] (Full scale) (Left Band) [L DH] Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : dbµ Set the SSG as; Level : + dbµ Push the right band s [MAIN BAND] key. (Automatic adjustment) [R DH] -

27 DIVERSITY ADJUSTMENT (continued) DIVERSITY ADJUSTMENT ITEM ADJUSTMENT CNDITINS PERATIN VALUE. MHz (S level) (Left Band) [L DL] [R DL] (S level) (Left Band) [L DM] [R DM] (Full scale) (Left Band) [L DH] [R DH]. MHz (S level) (Left Band) [L DL] [R DL] (S level) (Left Band) [L DM] [R DM] (Full scale) (Left Band) [L DH] [R DH]. MHz (S level) (Left Band) [L DL] [R DL] (S level) (Left Band) [L DM] [R DM] (Full scale) (Left Band) [L DH] [R DH]. MHz (S level) (Left Band) [L DL] [R DL] (S level) (Left Band) [L DM] [R DM] (Full scale) (Left Band) [L DH] [R DH] Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : dbµ Set the SSG as; Level : + dbµ Set the SSG as; Frequency :. MHz Level : dbµ Set the SSG as; Level : dbµ Set the SSG as; Level : + dbµ Push the right band s [MAIN BAND] key. (Automatic adjustment) -

28 SECTIN PARTS LIST [CNTRL UNIT] REF RDER N. N. DESCRIPTIN M. LCATIN IC S.IC TALF (TER,F) B 9./. IC S.REG RNB-TR-F B./. IC9 99 S.IC S-9CNMC-G9F-TG B./. IC S.IC LM9PWR B./. IC S.IC TCSF (TER,F) B./. IC S.IC MFCPGP [EUR-] B./. 9 S.IC MMAP-GP [EUR-] B./. IC S.IC TCWFU (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B./. Q S.TR SB9-T-AZ DK B./. Q 99 S.TR SC-BL (TEL,F) B 9./9.9 Q S.TR SA-GR (TER,F) B 9./ Q 99 S.TR SC-BL (TEL,F) B /. Q 99 S.TR SC-BL (TEL,F) B 9./. Q 99 S.TR SC-BL (TEL,F) B./. Q9 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B.9/. Q 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B 9./. Q 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B /. Q 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B./. Q9 99 S.TR SC-BL (TEL,F) B./. Q 99 S.TR SC-BL (TEL,F) B./. D 9 S.ZEN MA9-L (TX) B./. D 9 S.DI ISS TE B /. D9 9 S.DI ISS TE B./. D 9 S.DI ISS TE B.9/.9 D 9 S.DI ISS TE B.9/. D 9 S.ZEN MA-M (TX) B./. D S.ZEN MA-M (TX) B 9./. D 9 S.DI SS (TER,F) B./9. D 9 S.DI SS (TER,F) B.9/9. D 9 S.DI SS (TER,F) B./9. D 9 S.DI SS (TER,F) B./. X S.XTL CR-9 (FTX.MSM) B./. L S.CL MLFE K-T B 9./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R 9 S.RES ERJGEJ X ( k) B./.9 R S.RES ERJGEYJ V (. k) B./. R S.RES ERJGEJ X ( k) B./9. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( M) B./. R S.ARY EXBVJX B./. R 9 S.RES ERJGEJ X ( k) B 9/. R S.RES ERJGEJ X ( k) B 9./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./9. R S.RES ERJGEJ X ( k) B./9. R S.RES ERJGEJ X ( k) B./9. R S.RES ERJGEJ X ( k) B./. R9 S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B /. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B 9./. R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEYJ V () B./.9 R 9 S.RES ERJGEYJ 9 V (9) B./. R S.RES ERJGEJ X () B./. R9 S.RES ERJGEJ X () B.9/. R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B /. R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEJ X ( k) B./. R9 S.RES ERJGEJ X ( k) B./. R S.RES ERJGEYJ V () B 9./.9 R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEJ X ( k) B 9./. R S.RES ERJGEJ X ( k) B 9./. R S.RES ERJGEYJ V () B 9.9/.9 [CNTRL UNIT] REF RDER N. N. DESCRIPTIN M. LCATIN R S.RES ERJGEYJ V () B /.9 R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEYJ V () B./.9 R9 S.RES ERJGEYJ V () B./.9 R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B /. R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEYJ V () B./.9 R S.RES ERJGEJ X ( k) B./. R9 9 S.RES ERJGEJ X ( k) B /. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X (. k) B.9/. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B / R S.RES ERJGEJ X ( k) B./. R 9 S.RES ERJGEJ X () B./. R S.RES ERJGEJ X ( k) B /. R 9 S.RES ERJGEJ X ( k) B 9./. R9 S.RES ERJGEJ X ( k) B./ R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ-JPW B./ R S.RES ERJGEJ X (. k) T./. R9 S.RES ERJGEJ X (. k) T 9./. R9 S.ARY EXBVJX B./. R9 S.ARY EXBVJX B./. R9 S.ARY EXBVJX B./. R9 S.RES ERJGEJ X ( k) B /. R9 S.RES ERJGEJ X ( k) B.9/.9 R9 S.RES ERJGEJ X ( k) B./ R99 S.RES ERJGEJ X ( k) B / R S.RES ERJGEJ X ( k) B /.9 R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B./. R S.RES ERJGEJ X ( k) B 9./. R S.ARY EXBVJX B 9./. R9 S.ARY EXBVJX B /.9 R S.ARY EXBVJX B./ R S.ARY EXBVJX B./. R S.RES ERJGEJ X ( k) B 9./9. R S.RES ERJGEJ-JPW B./9. R S.RES ERJGEJ X ( k) B.9/. R S.RES ERJGEJ X ( k) B./.9 R9 S.RES ERJGEJ X ( k) B 9/. R S.RES ERJGEJ X ( k) B./. C 9 S.CER ECJEBAK B.9/.9 C 9 S.CER ECJEBAK B./.9 C 9 S.CER ECJEBAK B./.9 C 9 S.CER ECJEBAK B./.9 C S.CER ECJECHJ B./. C S.CER ECJECHJ B./. C S.ELE EEECASR B /. C S.CER ECJECHJ B./ C 9 S.CER C JB J K-T B /. C S.ELE EEECAWP B./. C 9 S.CER ECJEBCK B./. C S.CER ECJEBAK B./ C S.CER ECJEBEK B./. C S.ELE EEEEASR B./ C9 S.CER ECJEBEK B./. C S.CER ECJECHJ B./. C S.CER ECJECHJ B./. C 9 S.CER ECJEBCK B./9. C S.CER ECJEBEK B./. C S.CER ECJEBEK B 9./. C S.CER ECJEBEK B./. C S.CER ECJEBEK B./. C 9 S.CER ECJEBCK B./. C 9 S.CER ECJEBCK B.9/. C 9 S.CER ECJEBAK B./. C 9 S.CER ECJEBCK B./. C 9 S.CER ECJEBCK B./. C S.ELE EEEJASR B./.9 C S.ELE EEEJASR B./. C S.ELE EEECASR B /. C S.TAN TEESVA E MR B 9./. C9 S.TAN TEESVA E MR B 9./. C S.TAN TEESVA V MR B./. C S.TAN TEESVA V MR B./. C S.TAN TEESVA V MR B./. C S.TAN TEESVA V MR B./.9 C S.TAN TEESVA V MR B./9 C S.CER ECJEBJK B 9./. C S.CER ECJEBJK B 9./. C 9 S.CER ECJEBCK B./. C 9 S.CER ECJEBCK B./. C9 9 S.CER ECJEBCK B 9./. C S.CER ECJEBEK B./.9 C S.ELE EEEHASR B./. C S.ELE EEEHASR B./.9 C 9 S.CER ECJEBCK B./. M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side) S.=Surface mount -