Service Service Service

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1 7" LCD Color Monitor HP L740 Service Service Service Horizontal Frequency 4-8 khz TABLE OF CONTENTS Description Page Description Page Table Of Contents Revision List Monitor Specification LCD Monitor Description...4. Operation Instruction General Instructions Control Button Adjusting the Picture Input/Output Specification Input Signal Connector Factory Preset Display Modes Power Supply Requirements Panel Specification General Feature Optical Characteristics 9 6. Block Diagram Software Flow Chart Electrical Block Diagram Schematic Main Board Power Board PCB Layout Main Board Power Board Key Board Maintainability Equipments and Tools Requirement Trouble Shooting Main Board Power Board Key Board... 0 White-Balance, Luminance adjustment....mechanical Instructions Monitor Exploded View BOM List Different Parts List...54 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

2 7" LCD Color Monitor HP L740 Revision List Version Date Revision History TPV Model Name A00 Mar Initial release T77GNNDKCKHFQE T77CNNDKCKHFQE A0 Apr Add TPVDW Model in Item 4 T77ANNDKCKHFQE T76CNNDBCKHPQE A0 May Update Layout and BOM.Add TPVDW Model in Item 4 T77CNNDBCKHFQE

3 7" LCD Color Monitor HP L740. Monitor Specification

4 7" LCD Color Monitor HP L740. LCD Monitor Description The LCD Monitor will contain main board, power board, a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram CCFT Drive. Flat Panel and CCFL backlight Power Board (Include adapter board) Keyboard Main Board RS Connector For white balance adjustment in factory mode AC-IN 0V-40V HOST Computer Video signal, DDC 4

5 7" LCD Color Monitor HP L740. Operation Instructions. General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By changing these settings, the picture can be adjusted to your personal performance. - The power cord should be connected and insert to adaptor. - Connect the video cable from the monitor to the computer VGA card. - Press the power button to turn on the monitor, the power indicator will light up to Green.. Control Button 5

6 7" LCD Color Monitor HP L740. Adjust the Picture. If the monitor is not already on, press the Power switch to turn on the monitor.. Press the Menu button on the monitor s front panel to launch the OSD Main Menu.. To navigate through the OSD Menu, press the + (Plus) buttonon the monitor s front panel to scroll up, or the (Minus) button to scroll in reverse. 4. To select an item from the OSD Menu, use the + or buttons to scroll to and highlight your selection, then press the Menu button to select that function. 5. Adjust the item using the + or buttons on the front panel to adjust the scale. 6. After adjusting the function, select Save and Return, or Cancel if you don t want to save the setting, then select Exit from the Main Menu. 6

7 7" LCD Color Monitor HP L Input/Output Specification 4. Input Signal Connector 4.. D-SUB connector Pin Signal Pin Signal Red Video 9./+5 V (from PC) Green Video 0 Sync Ground Blue Video None 4 None DDC Data 5 Ground (DDC Return) Horizontal Sync 6 Red 4 Vertical Sync 7 Green 5 DDC Clock 8 Blue VGA connector layout PIN PIN 5 PIN 4.. DVI-D connector PI N NO. DESCRIPTION PI N NO. DESCRIPTION. TMDS data -. TMDS data +. TMDS data V Power. TMDS data /4 Shield 5. (return for +5v,hsync,vsync) 4. TMDS data 4-6. Hot Plug Detect 5. TMDS data TMDS data 0-6. DDC Clock 8. TMDS data DDC Data 9. TMDS data 0/5 Shield 8. Analog Vertical Sync 0. TMDS data 5-9. TMDS data -. TMDS data TMDS data +. TMDS Clock Shield. TMDS data / Shield. TMDS Clock +. TMDS data - 4. TMDS Clock Pin Color Display Signal Cable 7

8 7" LCD Color Monitor HP L Factory Preset Display Modes 4. Power Supply Requirements Parameter AC Input Voltage AC Input Frequency Inrush Current Leakage Current Power Consumption Range 90 to 65V 45 to 6 Hz 50A MAX AT 0VAC and 0A AT 0VAC 5 ma MAX at 0VAC 7W 8

9 7" LCD Color Monitor HP L Panel Specification 5. General Feature 5. Optical Characteristics 9

10 7" LCD Color Monitor HP L Block diagram 6. Software Flow Chart N Y 4 5 N Y 6 7 Y N Y N N N Y Y 4 5 N 6 Y 7 8 N 9 Y 0

11 7" LCD Color Monitor HP L740 REMARK: ) MCU initialize. ) Is the EEprom blank? ) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEprom. Turn on the LED and set it to green color. Scalar initialize. 0) In standby mode? ) Update the lifetime of back light. ) Check the analog port, are they re any signals coming? ) Does the scalar send out an interrupt request? 4) Wake up the scalar. 5) Are there any signals coming from analog port? 6) Display "No connection Check Signal Cable" message. And go into standby mode after the message disappear. 7) Program the scalar to be able to show the coming mode. 8) Process the OSD display. 9) Read the keyboard. Is the power key pressed?

12 7" LCD Color Monitor HP L Electrical Block Diagram 6.. Scalar Board Crystal (.000MHz) (Y0) LCD interface (CN0) EEPROM M4C6 (U0) Scalar NT6866MEFG-8 (Include MCU, ADC, OSD) (U40) H sync V sync RGB D-Sub Connector (CN0) RGB DCLK+ DCLK- DVID Connector (CN0) EEPROM M4C0 (U40) EEPROM M4C0 (U40)

13 7" LCD Color Monitor HP L Inverter / Power Board AC input EMI filter Bridge Rectifier Transformer Rectifier diodes and Filter Start Circuit V PWM Control IC Over Voltage Feedback Circuit 5V G Protect ON/OFF LC Resonance Transformer MOSFET Lamp Feedback Circuit Over Voltage PWM Control IC ON/OFF Control DIM

14 7" LCD Color Monitor HP L Schematic 7. Main Board R0 00Ω /0W DVI-SCL DVI_5V R0 00Ω /0W DVI-SDA CN0 DVI-D-Female SHELL AR C AG C AB C AHS C4 A C5 C6 A VS 8 TX- TX+ TX/4 Shld 4 TX4-5 TX4+ DDC CLK 6 DDC DATA 7 9 TX- 0 TX+ TX/ Shld TX- TX+ +5V HP Detect 7 TX0-8 TX0+ 9 TX0/5 Shld 0 TX5- TX5+ TXC Shld TXC+ 4 TXC- SHELL R 0Ω /0W FB0 0Ω C0 0.uF 50V R08 R 0KΩ /0W +.V ZD0 MMZ5V6B ZD0 MMZ5V6B DDC-DVI-SCL DDC-DVI-SDA RX- RX+ RX- RX+ DVI_CABLE RX0- RX0+ RXC+ RXC- DDC_W_D DDC-DVI-SCL R09 DDC-DVI-SDA R0 R05 R06 C04 0KΩ /0W 0KΩ /0W 00Ω /0W 00Ω /0W C0 C05 pf pf 0.uF R07 0KΩ /0W R D0 +5V DVI_5V BAV70 U VCC A0 6 WP A 5 SCL A SDA VSS 4 M4C0-WMN6TP DVI Input C06 0.uF 50V D04 D05 D06 D07 D08 D09 D0 D +.V C07 C08 C09 C0 C C C C4 +.V C5 0.uF 50V C6 0.uF 50V C7 0.uF 50V D BAV99 D BAV99 D0 BAV99 5/6 ADD C6 for ESD (0 mil, キ 絬 ) FB0 Close to Scalar IC ISPSDA ISPSCL R9 DDC-VGA-SDA 00Ω /0W HS VS R DDC-VGA-SCL 00Ω /0W MMZ5V6B ZD06 MMZ5V6B ZD0 4 5 DB5 6 7 CN VGA_5V FB04 0Ω Rin Gin Bin ZD04 C8 MMZ5V6B 0.uF 50V 0 OHM FB05 0 OHM FB0 0 OHM R 0KΩ /0W +.V R4 R6 75 OHM +-% /0W R5 75 OHM +-% /0W ZD05 C9 R0 75 OHM +-% /0W MMZ5V6B 0.uF 50V VGA_CABLE 75-ohm terminating resistor very close to the VGA conn. R 00Ω /0W HS R7 R8 R U0A R4 00Ω /0W C8 C9 R5 00Ω /0W C0 R6 C R7 00Ω /0W C C R8 00Ω /0W C4 R0 00Ω /0W C5 C6 R 00Ω /0W C7 R9 U0B R 0Ω /0W 4 0.uF 50V 0.uF 50V 0.uF 50V 0.uF 50V 0.uF 50V 0.uF 50V RIN R SOG GIN G BIN B HSIN +.V FB06 0Ω UVCC C0 0.uF 50V DDC_W_A DDC-VGA-SCL R4 DDC-VGA-SDA R4 R6 R7 R8 C 0KΩ /0W 0KΩ /0W 0.uF 00Ω /0W 00Ω /0W R44 4.7KΩ /0W D5 +5V VGA_5V BAV70 U VCC A0 6 WP A 5 SCL A SDA VSS 4 M4C0-WMN6TP VS ZD07 R4 C MMZ5V6B.KΩ /0W pf R9 00Ω /0W ZD08 R4 MMZ5V6B.KΩ /0W C4 0pF 74LCX4T R0 U0D LCX4T 74LCX4T U0E 0 74LCX4T R40 0Ω /0W VSIN 4 U0C LCX4T U0F 74LCX4T Title Signal Input Size Document Number Rev C G864-A-HP-X Tuesday, January 6, 007 Date: Sheet of 5 4

15 " LCD Color Monitor HP L740 CN0 +.V +.V +.V +.8VCC FB0 0Ω FB0 0Ω FB05 0Ω C08 C0 0uF/6V C05 0uF/6V 0 5 FB0 0Ω FB04 0Ω C 0uF/6V 4 C0 0.uF 50V C04 0.uF 50V C06 C07 0.uF 50V 0.uF 50V C09 0.uF 50V C 0.uF 50V C C4 0.uF 50V 0.uF 50V ADC_VAA +.VDD 08 C0 0.uF 50V DVI_AVCC DVI_PVCC +.8VDD RX+ RX- RX+ RX- RX0+ RX0- RXC+ RXC- DVI_AVCC DVI_AVCC R06 90Ω /0W DVI_PVCC ADC_VAA RX0+ A RXC+ RX- RX0- RXC- AVCC REXT PVCC P ADC_VAA BIN+ BIN- SOGI GIN+ A 0 0 RX- 00 DVI_AVCC RX+ AVCC VSO HSO IICSCL IICSDA RSTN IRQN 97 RX+ A 96 IRQN 95 RSTN 94 SDA 9 9 SCL 9 GPO6 +.8VDD C 90 CVDD INT_HSO/GPO5 87 INT_VSO/GPO4 86 GPO/AD 85 GPO/AD0 84 GPO D 8 +.VDD DVDD 8 T0M 8 T0P 80 TM 79 TP 78 TM 77 TP 76 TCLKM 75 TCLKP 74 TM 7 TP 7 D 7 T4M 70 T4P 69 T5M 68 T5P 67 T6M 66 T6P 65 TCLKM 64 TCLKP 6 P5/T P4/T0 PB/ADC/INTE PB/ADC/INTE0 P/TXD 56 PD6 P0/RXD 54 RSTB 5 PA7/PWM9* PA6/PWM8* T7M 6 T7P TXO0- TXO0+ TXO- TXO+ TXO- TXO+ TXE- TXE+ TXEC- TXEC+ TXE- TXE+ TXOC- TXOC+ TXO- TXO+ TXE0- TXE0+ TXE- TXE+ R0 0Ω /0W R0 0Ω /0W IICSDA R04 00Ω /0W IICSCL CN0 R05 00Ω /0W TXO0- TXO0+ TXO- 4 TXO+ IRQN TXO- 5 6 TXO+ TXOC- 7 8 TXOC+ TX MCU_VDD TXO- 9 0 TXO+ TXE0- TXE0+ HSO TXE- 4 TXE+ TXE- 5 6 TXE+ RX R07 TXEC- 7 8 TXEC+ 00Ω /0W TXE- 9 0 TXE+ PANEL_VCC 4 R08 00Ω /0W TXO0- TXO0+ TXO- TXO+ TXO- TXO+ TXOC- TXOC+ TXO- TXO+ TXE0- TXE0+ TXE- TXE+ TXE- TXE+ TXEC- TXEC+ TXE- TXE+ PANEL_VCC K_AUTO PANEL_VCC 7 GIN- PA5/PWM7* 50 R09 00Ω /0W DDC_W_A 8 RIN+ PA4/PWM6* 49 R0 00Ω /0W DDC_W_D 9 0 RIN- ADC_VAA U40 NT6866MEFG-8 PA/PWM5 PA/PWM C0 FB07 ADC_A PA/PWM 46 +.V 0Ω MCU_VDD MCU_VDD BIN B SOG GIN 4 5 BIN0+ BIN0- SOGI0 GIN0+ PA0/PWM PD0 MCU_VCC 4 PC0* R 00Ω /0W VSO C5 DC_SW 4 MCU_VDD 4 U0 VSS VCC 8 M4C6 WC 7 6 SCL SDA 5 C8 0.uF 8P-DIP TYPE w/ SOCKET 6CSCL 6CSDA R0 R5 00Ω /0W R6 00Ω /0W R R 4.7KΩ /0W 4.7KΩ /0W R8 4C6_WP IICSCL IICSDA G RIN R RIN0+ GIN0- RIN0- HSIN TEST VREF HSYI TOUTP/VSYI HYI0 R8 00Ω /0W VSYI0 DPLL_ TCLK DPLL_VDD 0 PWM0 PWM TS_CLK C 4 CVDD 5 DVDD 6 +.8VDD +.VDD D 7 PE0 RSTN 8 PE 9 OSCO 0 OSCI MCU_ PB0/ADC0 PB/ADC 4 PB4/DDC_SCL0* 5 PB5/DDC_SDA0* 6 PB6/DDC_SCL* 7 PB7/DDC_SDA* 8 PD5 9 PD4 0 PD PD 4 PD 5 PC7 6 PC6 7 PC5 8 PC PC/PWM0 PC4/PWM PC* LED_R 4 LED_G 4 MCU_VDD R5 R6 4.7KΩ /0W 4.7KΩ /0W C7 0.uF 50V 4C6_WP C6 0uF/6V BL_CONTROL 4 CUT_A 4 PANEL_IDX 4 MCU_VDD VSIN '05--0 Change from port to port0 R9 00Ω /0W C0 0.uF 50V C 0uF/6V C4 470uF/6V FB06 000OHM +.VDD C9 R 00Ω /0W.pF R7 4.7KΩ /0W C.pF R4 MΩ /0W Y0.000MHz C pf50v BRIGHTNESS 4 Aug change to dip R 00Ω /0W C5 00pF KEY 4 VGA_CABLE PANEL_PWR 4 DVI_CABLE R9 4.7KΩ /0W R0 4.7KΩ /0W R 4.7KΩ /0W R 4.7KΩ /0W MCU_VDD DVI-SDA DVI-SCL ISPSDA ISPSCL Ref Des Reserved u u TL4ACD n u K K CN0 4 R6 R8 TX RX CN04 IICSCL IICSDA +.8VCC R9 +5V R4 0KΩ /0W +.V R5 47KΩ /0W TO RS TODEBUG 5 Title Scaler Size Document Number Rev Custom G864-A-HP-X Tuesday, January 6, 007 Date: Sheet of 5

16 7" LCD Color Monitor HP L740 CN FB40 CUT_A C40 CUT_A R40 0Ω /0W R404 0Ω /0W R407 0Ω /0W R409 C406 0.uF 50V R40 BRIGHTNESS 47Ω /0W R405 47Ω /0W BL_CONTROL R408 PANEL_IDX 0KΩ /0W C407 0.uF 50V BRIGHTNESS BL_CONTROL PANEL_IDX +.V C48 0uF/6V C40 0.uF 50V INPUT OUTPUT ADJ/ U0 AZ7D-.8-E C4 0.uF 50V + C49 0uF/50V +.8VCC CONN CONNECTOR FOR POWER/INVERTER BOARD.0 mm C4 FB406 0Ω C4 +5V + C4 C uF/50V U04 VI VO C uF/5V C48 0.uF 50V +.V FOR.8V POWER USE +5V R4 0 OHM +-5% /4W Aug modify cancel (->5v) add (5v->.v) CN R49.8KΩ /0W R4.8KΩ /0W R4.8KΩ /0W +.V R45 R46 R47 0KΩ /0W 0KΩ /0W 0KΩ /0W LED_RED LED_GREEN K_AUTO KEY DC_SW C uF/50V VI U0 K_AUTO KEY DC_SW VO C46 + C45 0.uF 50V 0uF/50V PANEL_PWR R40 0KΩ /0W C40 0.uF 50V +.V-U R4 0KΩ /0W 00KΩ /0W R48 Q40 PMBS904 R44 00KΩ /0W C49 0.0uF C48 + Q40 AO40 Panel VDD control FB405 0Ω C4 + 0uF/50V C4 0.uF 50V PANEL_VCC R4 C4C44C45C46C47 CONN 0.uF 50V 0.uF 50V 0.uF 50V 0.uF 50V 0.uF 50V +.V R44 0Ω /0W +5V R47 +.V R45 0Ω /0W +5V R46 N906S-RTK/PS Q40 LED_RED R49 0Ω /0W N906S-RTK/PS Q404 LED_GREEN R4 0Ω /0W Key pad and LED control R48 0KΩ /0WLED_R R40 0KΩ /0WLED_G LED_R LED_G Title Power and Control board Size Document Number Rev B G864-A-HP-X Date: Tuesday, January 6, 007 Sheet 4 of 5 6

17 7" LCD Color Monitor HP L740 +.V-U UPSTREAM_V R50 Q50 R50 C50 +.V-U Q50 Aug modifychanges544dc to A040L FB50 USBV U50 SPICS R50 0Ω /0W SPISD CS VCC 8 R504 0Ω /0W SO USBV HOLD 7 R506 5KΩ /0W 4 WP SCK 6 5 SI _U AT5040AN-0SU-.7 R505 5KΩ /0W R507 0Ω /0W R508 0Ω /0W USBV SPISCK SPISD _U C5 0.uF _U R54 0 OHM +-5% /4W _U _U USBV +.V-U FB50 0Ω _U C50 0uF/6V VCC UPSTREAM_V L50 0Ω C504 0.uF 50V 0.uF 50VC505 0.uF 50VC506 0.uF 50VC507 0.uF 50VC508 0.uF 50VC509 0.uF 50VC50 0.uF 50VC5 0.uF 50VC5 0.uF 50VC5 0.uF 50VC54 +5V FB506 0Ω ' ADD FB506 FB50 C50 0.uF 50V _U DM0 DP0 DM0 DP0 R509 0Ω /0W L50 4 R50 0Ω /0W CN50 CONNNECTOR _U USBV C55 PF 50V _U Y50 4.0MHz C56 PF 50V _U USBV VCC F50 t OVR FB504 0Ω _U USBV R5 00KΩ /0W _U C50 0.uF 50V D50 LL448 UPSTREAM_V DM0 DP0 _U DM DP DM DP U50 R5 5KΩ /0W D- D+ CY7C LFXC VCC VCC VCC VCC4 VCC5 VCC6 VCC7 VCC8 VCC9 BUSPOWER C59 0.uF 50V 46 RESET# 4 DD-[] DD+[] 9 0 DD-[] DD+[] 5 6 DD-[] DD+[] DD-[4] DD+[4] 7 SELFPWR VCC XIN 5 GREEN#[] 6 AMBER#[] 7 GREEN#[] 8 AMBER#[] 4 GREEN#[] 4 AMBER#[] 4 GREEN#[4] 44 AMBER#[4] 9 PWR#[] 0 OVR#[] PWR#[] OVR#[] 54 PWR#[] 5 OVR#[] 5 PWR#[4] 5 OVR#[4] 47 SPI_SCK 48 SPI_SD 49 _U XOUT SPI _CS 5 R5 5KΩ /0W R54 5KΩ /0W U50 <Pin Names Rotate> <Pin Names Visible> <Pin Numbers Visible> R50 5KΩ /0W _U R55 5KΩ /0W 5KΩ /0W R5 R56 5KΩ /0W 5KΩ /0W R5 USBV OVR OVR OVR OVR4 SPICS SPISCK SPISD VCC DM DP DM DP PTCR F50 PTCR DM DP t DM DP OVR + C57 0uF/50V _U _U R57 0Ω /0W L50 _U + C5 0uF/50V L504 4 R58 0Ω /0W FB505 4 C58 0Ω R59 0Ω /0W R5 0Ω /0W 0.uF 50V C5 0.uF 50V _U Title _U _U USB HUB 00WP CN50 CONNNECTOR 9 Size Document Number Rev B G864-A-HP-X Date: Tuesday, January 6, 007 Sheet 5 of 5 7

18 CN8 CONN U8 OZ998GN DRV VDDA TIMER DIM 4 ISEN 5 VSEN 6 OVPT ENA 0 LCT SSTCMP CT A 4 DRV 5 P 6 C uF/5V Q885 N700 R8 60K C80 PF KV C880 0.uF/5V R84 0R D85 BAV99 R80 0K C80 0pF/6KV C88 0.0uF PT80 4:4: C846 uf R87 K /0W C865 nf R85 0K TPV n700 Q87 N700 C808 JUMP Q80 N700 R87 00K R88 00K /0W OP R8.K C80 JUMP C uF C8 uf CN85 CONN D8 BAV70/SOTB R80 0K/ R86 K /4W R87 7.5K_% C874 uf BRIGHTNESS R84 7.5K_%_ R8 K_% R849 0 /0W C806 0pF/6KV Q880 N700 C88 000pF C uF C805 5pF/KV_ C89 0.0uF/5V D85 BAV70/SOTB ZD874 RLZ5.6B C80 000pF/ R866 00K/ OP C8 0.uF R807 0K R874 0 /0W R K_ R880 0K /0W OP C8 uf R80 0K_%_ R85 K R88 00K /0W C8 0.00uF C804 5pF/KV_ R885 00K /0W R859 6.M /W R86 0K R84 6.M /W_ C858 90pF C86 0.0uF/ R86 0K_% R887 00K /0W Q874 N904 OP4 R85.K Q8 AM9945N S G S G 4 D 5 D 6 D 7 D 8 CN8 CONN C84 uf D88 IN448 Q886 N700 R89 0 /0W R856 0K_% Q87 PDTA44EU C8 0.uF R88 K /0W C860 0pF R80 00K CN85 CONN R85 0K_% C87 0.uF_ C86 000pF R8 0R R884 K /0W R854 6.M_ R850 0K_ R89 M D8 BAV99 R865 R R886 K /0W C8 0.00uF Q84 AM9945N S G S G 4 D 5 D 6 D 7 D 8 C8 560pF PT80 4:4: C uF R89 6.M /W D88 IN448 R888 K /0W OP OP4 OP Isen BL_CTL PANEL_ID VDD Q88 N700 C8 0.uF R806 00K/ VDD +VCC C uF/5V OP R8 0R VDD VDD R855 0K_% D885 IN448 +VCC PANEL_ID R84 0R +VCC Isen C80 470uF/5V Q88 N700 VDD R804 0K /0W C807 PF KV R8 K R87 0K /W C uF C88 0.0uF R86 00K_% R85 7.5K_% D887 IN448 R8 M IC90

19 ZD949 L90 N CN90 AC SOCKET F90 L FUSE.5A 50V NR90 SCK084 VAR90 varistor_ C uF/75V R K R90 680K R90 680K S90 spotgap_ S90 spotgap_ L90 7mH C8B-R6H_ C uF/50V L90 C8B-R6H_ C uF/50V BD90 U4KB80R + C907 00uF/450V R907 0K/R06 R904.5M/R06 R90.5M/R06 R905 00K/W C uF/KV D90 BYT4J FB90 BEAD T90 O R9 00 OHM /4W C9 R9 70PF 500V 00OHM /4W D9 + MBRF0H00CT-45 C9 000uF/5V R95 R_ C95 R96.nF/500V_ R_ + C9 000uF/5V +V IC90 5VA D905 P4KE_ C9 0.uF C94 R9 uf M R9 K_% VCC DRA DRV PRO SEN CTRL DEM TEA5 D98 N448 R98 50 R97 K C97 0.uF/5V R95 0 Q90 STP7NK80ZFP R96 750R R9 750R R959 R99 K _ D96 R96 R//W_ R90 0.R/W POWER X'FMR C9 FB uF/400V BEAD D95 STPS0L45CFP + C96 000uF/6V R97.8K_/8W C95 0.0uF/5V R94 K4_% RGP0D + C97 68u/5V 0R R97 4.7K_06 IC90 TCET0 R94 5.K /0W RLZB_ BRIGHTNESS BL_CTL PANEL_ID R94 K C uF R944 9.K/0805_% R946 00K_% R _ CN95 HARNESS 4P-4P 65mm V F90 JUMP C95 0.uF/5V C955 0.uF/5V +VCC + C95 470UF 5V +5V + C UF 0V R95.K _ L95 0.8uH R95 0 ZD95 P6KE8.A L uH +V R95 K /4W_ 5VA +VCC IC90 L904 R954 R94 00 OHM /0W 7K _ ZD975 IC94 RLZ5.B KIA4A C94 4.7nF/5V_ +.V R945 9.K_% + C UF 5V C959 8 VCC OUT L597D FB 5 COMP D906 R956 R958 + C96 C95 C960 C96 R955 R957

20 7" LCD Color Monitor HP L PCB Layout 8. Main Board 0

21 7" LCD Color Monitor HP L740

22 7" LCD Color Monitor HP L740

23 7" LCD Color Monitor HP L Power Board

24 7" LCD Color Monitor HP L740 4

25 7" LCD Color Monitor HP L740 5

26 7" LCD Color Monitor HP L Key Board 6

27 7" LCD Color Monitor HP L Maintainability 9.Equipments and Tools Requirement. Multi-meter.. Oscilloscope.. Pattern Generator. 4. DDC Tool with an IBM Compatible Computer. 5. Alignment Tool. 6. LCD Color Analyzer. 7. Service Manual. 8. User Manual. 7

28 7" LCD Color Monitor HP L Trouble Shooting 9.. Main Board No power No power Press power key and look if the picture is normal NG Please reinsert and make sure the AC of is normal OK Measure U04 PIN =.V U0 PIN =.8V NG Reinsert or check the power section OK NG Measure CN40 PIN9/0=5V? Y0 oscillate waveforms are normal OK NG Replace Y0 OK NG Check power section TXD Replace U40 Replace U04/U0 8

29 7" LCD Color Monitor HP L740 No picture (LED is orange) No picture Measure U04 PIN =.V U0 PIN =.8V OK NG Replace U04/U0 Y0 oscillate waveforms are normal OK NG Replace Y0 Check if the sync signal from computer is output and video cable is connected normally NG Input the sync signal of computer, or OK change the cable Replace U40 9

30 7" LCD Color Monitor HP L Power Board. No Power No power Check AC line volt 0V or 0V OK NG Check AC line Check the voltage of C907(+) OK NG Check F90, bridge rectified circuit Check start voltage for the pin8of IC90 OK NG Check R907,IC90 Check the auxiliary voltage is between 0V-6V Check IC90,T90, D9,D95 0

31 7" LCD Color Monitor HP L740. W/LED No Backlight Check C80 (+)/C840 (+) =V OK NG Check C80/C840 Check ON/OFF signal OK NG Check Interface board Check U8 pin=5v? OK NG Change Q8 or Q84 Check the pin of U8 have saw tooth wave OK NG Change U8 Check D8 D85 has the output of square wave at short time. OK NG CheckQ8/Q84 Check the resonant wave of pin & pin5 for PT80/PT80 OK NG Check Q8/Q84/D8/D85 Check the output of PT80/PT80 OK NG Change PT80/PT80 Check connecter & lamp

32 7" LCD Color Monitor HP L Key Board OSD is unstable or not working Is Keypad board connecting normally? NG Connect Keypad Board OK Is Button Switch normally? NG Replace Button Switch OK Is Keypad board normally? NG Replace Keypad Board OK Check main board

33 7" LCD Color Monitor HP L White- Balance, Luminance Adjustment Approximately 0 minutes should be allowed for warm up before proceeding White-Balance adjustment.. How to do the Chroma-70 MEM.Channel setting A. Reference to chroma 70 user guide B. Use SC key and NEXT key to modify xyy value and use ID key to modify the TEXT description Following is the procedure to do white-balance adjust. Setting the color temp. You want A. 900k color: 900 color temp. parameter is x = 8 ±5, y = 97 ±5, Y> 80 cd/m, B. srgb color: srgb color temp. parameter is x = ±5, y = 9 ±5, Y>80 cd/m ) C. 6500K color: 6500K color temp. parameter is x = ±5, y = 9 ±5, Y>80 cd/m ). Into factory mode of HP L740 Turn on power, press the down (+) button, pull out the power cord, and then plug the power cord. Then the factory OSD will be at the left top of the panel. 4. Bias adjustment: Set the Contrast to 50 Adjust the Brightness to Gain adjustment : Move cursor to -F- and press MENU key A. Adjust 900k color-temperature. Switch the Chroma-70 to 900k channel.. The chroma 70 will show x = 8±5, y = 97 ±5, Y>80 cd/m. Switch the chroma-70 to RGB MODE (with press MODE button to change ) 4. Adjust the RED of color 900K on factory window until chroma 70 indicator reached the value R=00 5. Adjust the GREEN of color 900K on factory window until chroma 70 indicator reached the value G=00 6. Adjust the BLUE of color 900K on factory window until chroma 70 indicator reached the value B=00 7. Repeat above procedure ( item 4,5,6) until chroma 70 RGB value meet the tolerance =00±

34 7" LCD Color Monitor HP L740 B. Adjust srgb color-temperature. Switch the chroma-70 to srgb channel.. The chroma 70 will show x = ±5, y = 9 ±5, Y >80 cd/m. Switch the chroma 70 l to RGB MODE ( with press MODE button to change ) 4. Adjust the RED of color srgb on factory window until chroma 70 indicator reached the value R=00 5. Adjust the GREEN of color srgb on factory window until chroma 70 indicator reached the value G=00 6. Adjust the BLUE of color srgb on factory window until chroma 70 indicator reached the value B=00 7. Repeat above procedure ( item 4,5,6) until chroma 70 RGB value meet the tolerance =00± C. Adjust 6500k color-temperature. Switch the chroma-70 to 6500K channel.. The chroma 70 will show x = ±5, y = 9 ±5, Y >80 cd/m. Switch the chroma 70 l to RGB MODE ( with press MODE button to change ) 4. Adjust the RED of color srgb on factory window until chroma 70 indicator reached the value R=00 5. Adjust the GREEN of color srgb on factory window until chroma 70 indicator reached the value G=00 6. Adjust the BLUE of color srgb on factory window until chroma 70 indicator reached the value B=00 7. Repeat above procedure ( item 4,5,6) until chroma 70 RGB value meet the tolerance =00± D. Press reset key and Turn the Power-button off to on to quit from factory mode. 4

35 7" LCD Color Monitor HP L740. Mechanical Instructions Step Figure Description Preparation Lay the monitor on a flat, soft and clean surface. Remove the stand Remove the decorate cover and the screws to remove the stand. Remove the Bezel. Remove the Bezel. Remove the decorate cover and the screws to remove the key board. 5

36 7" LCD Color Monitor HP L740 Remove the back cover Remove the back cover Remove the main frame Remove the shield to remove the main frame 6

37 7" LCD Color Monitor HP L740 Remove main board and power board.remove the screws marked in red to remove the main board, power baord,.disconnect the connector and remove the power board and main board. 7

38 7" LCD Color Monitor HP L740 Remove the panel Remove the panel Put this cover up. The machine The end disconnect freely 8

39 7" LCD Color Monitor HP L740. Monitor Exploded View 9

40 7" LCD Color Monitor HP L740. BOM List T77GNNDKCKHFQE Location Part No. Description CBPC6GNNHAQP MAIN BOARD KEPC780HPP KEY BOARD PWPC74GHP POWER BOARD 4 4G69 EY B REAR COVER 7G6057 HINGE 40G 58645A MANUAL LABEL 40G A TCO0 LABEL 4G A4 QSG-NA 45 44G79 CUSHION-L 45 44G79 CUSHION-R 455 5G 85 MIDDLE TAPE 5G 86 SMALL TAPE 454 5G SMALL TAPE 9 5G SMALL TAPE 40 85G656 MAIN SHIELD 59 89G USB CABLE E089A 89G 78HAADP SIGNAL CABLE 89G79E0H7 FFC CABLE E089A 89G40A9N LS AC POWER CABLE DG70 60 SCREW Mx6 MG 0 40 SCREW 99 MG CR SCREW 97 MG70 60 SCREW 95 MG SCREW 98 QG 0 88 CR SCREW X8mm 0 705G780KF4 FRONT BEZEL ASS'Y 705GH740 ASS'Y E750L 750GLG70ELZ000H PANEL LM70E0-TLL LPL H40G 7N690 6B RATING LABEL H40G58H690 A CARTON LABEL H4G C SCREEN FLY ( H44G79690 C CARTON( C) 4 H5G INSULATE SHEET 4 QG A LOGO Q4G C DOC-KIT L740 NA Q4G B6 RTF CARD Q45G 76 8 H R PE BAG FOR MANUAL 40

41 7" LCD Color Monitor HP L Q45G R PE BAG(EPE) Q50G BEND CN40 G WAFER EH 7 CN40 G P/.0MM CN0 G8090F H6W4 FPC CONN..0MM 0P 40G B 40G 45764B CPU LABEL CBPC LABEL C4 67G5V00 7R ELCAP 0UF +-0% 50V 0 C49 67G5V00 7R ELCAP 0UF +-0% 50V 0 C44 67G5V00 7R ELCAP 0UF +-0% 50V 0 C46 67G5V00 7R ELCAP 0UF +-0% 50V 0 C47 67G5V00 7R ELCAP 0UF +-0% 50V 0 C57 67G5V00 7R ELCAP 0UF +-0% 50V 0 C5 67G5V00 7R ELCAP 0UF +-0% 50V 0 C49 67G5V470 4R ELCAP 47UF +-0% 5V 0 C4 67G5Y47RV ELCAP 470UF +-0% 6V CN50 88G 50 TN USB CONN CN50 88G 5B CL USB CONN BLACK CN0 88G 55F HJ SOC SUBD H 5P F CN0 88G 544FHCJ DVI 4PIN 90G650 GP HEAT SINK Y0 9G 5B CRYSTAL MXS.000AC0F- U0 56GPH M4C6-WBN6P U40 56G 567 IC NT6866MEFG-8 QFP- U04 56G 56 5 AC084-PE U0 56G 56 AZ7D-.8-E U0 56G AIC7-CY U50 56G CY7C LFXC U40 56G 4 M4C0-WMN6TP U40 56G 4 M4C0-WMN6TP U50 56G50 IC AT5040AN-0SU-.7 A U0 56G4LCX 4 PH IC 74LVC4APW PHILIPS Q40 57G 47 4 PMBS904/PHILIPS-SMT(04 Q40 57G 47 T N906S-RTK/PS SOT- Q404 57G 47 T N906S-RTK/PS SOT- Q40 57G 76 AO40L SOT BY AOS(A F50 6G WT687 RST PTCR KMC 5S075R00- F50 6G WT687 RST PTCR KMC 5S075R00- R 6G RST CHIPR 0 OHM +-5% / R 6G RST CHIPR 0 OHM +-5% / 4

42 7" LCD Color Monitor HP L740 R40 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 0 OHM +-5% / R40 6G RST CHIPR 0 OHM +-5% / R404 6G RST CHIPR 0 OHM +-5% / R407 6G RST CHIPR 0 OHM +-5% / R44 6G RST CHIPR 0 OHM +-5% / R45 6G RST CHIPR 0 OHM +-5% / R50 6G RST CHIPR 0 OHM +-5% / R504 6G RST CHIPR 0 OHM +-5% / R507 6G RST CHIPR 0 OHM +-5% / R508 6G RST CHIPR 0 OHM +-5% / R509 6G RST CHIPR 0 OHM +-5% / R50 6G RST CHIPR 0 OHM +-5% / R57 6G RST CHIPR 0 OHM +-5% / R58 6G RST CHIPR 0 OHM +-5% / R59 6G RST CHIPR 0 OHM +-5% / R5 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R09 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R5 6G RST CHIPR 00 OHM +-5% R7 6G RST CHIPR 00 OHM +-5% R8 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R04 6G RST CHIPR 00 OHM +-5% R05 6G RST CHIPR 00 OHM +-5% R07 6G RST CHIPR 00 OHM +-5% R08 6G RST CHIPR 00 OHM +-5% R09 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% 4

43 7" LCD Color Monitor HP L740 R 6G RST CHIPR 00 OHM +-5% R8 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R5 6G RST CHIPR 00 OHM +-5% R6 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R05 6G RST CHIPR 0KOHM +-5% R06 6G RST CHIPR 0KOHM +-5% R07 6G RST CHIPR 0KOHM +-5% R 6G RST CHIPR 0KOHM +-5% R 6G RST CHIPR 0KOHM +-5% R6 6G RST CHIPR 0KOHM +-5% R7 6G RST CHIPR 0KOHM +-5% R4 6G RST CHIPR 0KOHM +-5% R408 6G RST CHIPR 0KOHM +-5% R45 6G RST CHIPR 0KOHM +-5% R46 6G RST CHIPR 0KOHM +-5% R47 6G RST CHIPR 0KOHM +-5% R40 6G RST CHIPR 0KOHM +-5% R48 6G RST CHIPR 0KOHM +-5% R40 6G RST CHIPR 0KOHM +-5% R4 6G RST CHIPR 0KOHM +-5% R44 6G RST CHIPR 00KOHM +-5% R48 6G RST CHIPR 00KOHM +-5% R5 6G RST CHIPR 00KOHM +-5% R4 6G RST CHIPR MOHM +-5% / R505 6G RST CHIPR 5KOHM +-5% R506 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R54 6G RST CHIPR 5KOHM +-5% R55 6G RST CHIPR 5KOHM +-5% R56 6G RST CHIPR 5KOHM +-5% R50 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% C59 6G RST CHIPR 50KOHM +-5% R49 6G RST CHIPR.8KOHM +-5% R4 6G RST CHIPR.8KOHM +-5% 4

44 7" LCD Color Monitor HP L740 R4 6G RST CHIPR.8KOHM +-5% R49 6G RST CHIPR 0 OHM +-5% R4 6G RST CHIPR 0 OHM +-5% R4 6G RST CHIPR.KOHM +-5% R4 6G RST CHIPR.KOHM +-5% R06 6G RST CHIPR 90 OHM +-5% R40 6G RST CHIPR 47 OHM +-5% R405 6G RST CHIPR 47 OHM +-5% R8 6G RST CHIPR 4.7KOHM +-5% R5 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R7 6G RST CHIPR 4.7KOHM +-5% R9 6G RST CHIPR 4.7KOHM +-5% R0 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R5 6G RST CHIPR 47KOHM +-5% R4 6G F6857 RST CHIPR 75 OHM +-% R5 6G F6857 RST CHIPR 75 OHM +-% R6 6G F6857 RST CHIPR 75 OHM +-% R4 6G RST CHIPR 0 OHM +-5% / R54 6G RST CHIPR 0 OHM +-5% / C5 65G CHIP 00PF 50V NPO C45 65G UF +-0% 6V X7R C48 65G UF +-0% 6V X7R C0 65G CHIP 0.UF 50V X7R C06 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C6 65G CHIP 0.UF 50V X7R C7 65G CHIP 0.UF 50V X7R C8 65G CHIP 0.UF 50V X7R C0 65G CHIP 0.UF 50V X7R C 65G CHIP 0.UF 50V X7R C4 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C7 65G CHIP 0.UF 50V X7R C8 65G CHIP 0.UF 50V X7R C9 65G CHIP 0.UF 50V X7R C0 65G CHIP 0.UF 50V X7R 44

45 7" LCD Color Monitor HP L740 C0 65G CHIP 0.UF 50V X7R C04 65G CHIP 0.UF 50V X7R C06 65G CHIP 0.UF 50V X7R C07 65G CHIP 0.UF 50V X7R C09 65G CHIP 0.UF 50V X7R C0 65G CHIP 0.UF 50V X7R C 65G CHIP 0.UF 50V X7R C 65G CHIP 0.UF 50V X7R C4 65G CHIP 0.UF 50V X7R C7 65G CHIP 0.UF 50V X7R C0 65G CHIP 0.UF 50V X7R C406 65G CHIP 0.UF 50V X7R C407 65G CHIP 0.UF 50V X7R C40 65G CHIP 0.UF 50V X7R C4 65G CHIP 0.UF 50V X7R C4 65G CHIP 0.UF 50V X7R C44 65G CHIP 0.UF 50V X7R C45 65G CHIP 0.UF 50V X7R C46 65G CHIP 0.UF 50V X7R C47 65G CHIP 0.UF 50V X7R C40 65G CHIP 0.UF 50V X7R C4 65G CHIP 0.UF 50V X7R C50 65G CHIP 0.UF 50V X7R C504 65G CHIP 0.UF 50V X7R C505 65G CHIP 0.UF 50V X7R C506 65G CHIP 0.UF 50V X7R C507 65G CHIP 0.UF 50V X7R C508 65G CHIP 0.UF 50V X7R C509 65G CHIP 0.UF 50V X7R C50 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C54 65G CHIP 0.UF 50V X7R C58 65G CHIP 0.UF 50V X7R C50 65G CHIP 0.UF 50V X7R C5 65G CHIP 0.UF 50V X7R C55 65G CHIP P 50V NPO C56 65G CHIP P 50V NPO C 65G CHIP PF 50V NPO 45

46 7" LCD Color Monitor HP L740 C4 65G CAP:CER 0PF 5% 50V SM C04 65G0604 CHIP 0.UF 50V X7R C 65G0604 CHIP 0.UF 50V X7R C8 65G0604 CHIP 0.UF 50V X7R C5 65G0604 CHIP 0.UF 50V X7R C0 65G CHIP PF 50V X7R C05 65G CHIP PF 50V X7R C 65G CHIP PF 50V X7R C49 65G UF/50V C9 65G CAP:CER.+-0.5PF 50V C 65G CAP:CER.+-0.5PF 50V C0 65G CHIP 0UF 6V Y5V C05 65G CHIP 0UF 6V Y5V C 65G CHIP 0UF 6V Y5V C6 65G CHIP 0UF 6V Y5V C 65G CHIP 0UF 6V Y5V C48 65G CHIP 0UF 6V Y5V C50 65G CHIP 0UF 6V Y5V FB06 7G 56F0 K CHIP BEAD KOHM FB0 7G 56K M CHIP BEAD FB04 7G 56K M CHIP BEAD FB06 7G 56K M CHIP BEAD FB0 7G 56K M CHIP BEAD FB0 7G 56K M CHIP BEAD FB0 7G 56K M CHIP BEAD FB04 7G 56K M CHIP BEAD FB05 7G 56K M CHIP BEAD FB07 7G 56K M CHIP BEAD FB405 7G 56K M CHIP BEAD FB406 7G 56K M CHIP BEAD FB50 7G 56K M CHIP BEAD FB504 7G 56K M CHIP BEAD FB505 7G 56K M CHIP BEAD FB506 7G 56K M CHIP BEAD L50 7G 56K M CHIP BEAD FB0 7G 59C00 0 OHM BEAD FB0 7G 59C00 0 OHM BEAD FB05 7G 59C00 0 OHM BEAD D0 9G 64 4 P BAV70 SOT- D5 9G 64 4 P BAV70 SOT- 46

47 7" LCD Color Monitor HP L740 D50 9G 64P LL448 D0 9G 64P BAV99 D 9G 64P BAV99 D 9G 64P BAV99 Y50 9G S 45 H CRYSTAL MHZ/0P ZD0 9G 9P599 T MMZ5V6B ZD0 9G 9P599 T MMZ5V6B ZD0 9G 9P599 T MMZ5V6B ZD04 9G 9P599 T MMZ5V6B ZD05 9G 9P599 T MMZ5V6B ZD06 9G 9P599 T MMZ5V6B ZD07 9G 9P599 T MMZ5V6B ZD08 9G 9P599 T MMZ5V6B 75G864 HP640 MAIN BOARD PCB 9 G WAFER EH G RST CHIPR 0KOHM +-5% 94 6G RST CHIPR 4.7KOHM +-5% 9 6G RST CHIPR 47KOHM +-5% 9 77G 604 FD SWI TACT P POS V V 9 77G 604 FD SWI TACT P POS V V 94 77G 604 FD SWI TACT P POS V V 95 77G 604 FD SWI TACT P POS V V 96 77G 604 FD SWI TACT P POS V V 69 8G 4500 KB6FR LED VS SM KAA-58YSGC 75G KEY BOARD PCB L90 S7G7465VW FILTER T90 S80GL7T900V TRANSFORMER CN80 G80 E U WAFER CN80 G80 E U WAFER CN80 G80 E U WAFER CN804 G80 E U WAFER 40G A 44G 557 ID LABEL EVA WASHER IC90 56G 9 5A TCET0G R905 6G5M04 646W56 RST MOFR 00KOHM +-5% R90 6G5M8 646W56 RST MOFR 0. OHM +-5% C908 6G S CAPACITAE C80 65G J5096ET H 5PF 5% KV TDK C80 65G J5096ET H 5PF 5% KV TDK C807 65G J5096ET H 5PF 5% KV TDK 47

48 7" LCD Color Monitor HP L740 C808 65G J5096ET H 5PF 5% KV TDK C80 65G 6J506ET H 5PF 5% SL 6KV C806 65G 6J506ET H 5PF 5% SL 6KV C900 65G05M0BP Y 000PF M 50VAC Y5P C90 65G05M0BP Y 000PF M 50VAC Y5P C9 65G06MBP 00PF +-0% 400VAC C9 65G57K7 A69 70PF Z5F 500V C956 67G 50KV666 ELCAP 000UF +-0% 0V C80 67G5D474KV666 ELCAP 470UF +-0% 5V C840 67G5D474KV666 ELCAP 470UF +-0% 5V C96 67G5S0KV666 ELCAP 000UF +-0% 6V C958 67G5SKV666 ELCAP 0UF +-0% 6V C9 67G5Y04KV666 ELCAP 000UF +-0% 5V C9 67G5Y04KV666 ELCAP 000UF +-0% 5V C907 67G5Z05K666 ELCAP 00UF +-0% 450V L95 7G 590 H IND CHOKE 0.8uH MIN DAD L955 7G 590 H IND CHOKE 0.8uH MIN DAD PT80 80GL9T 8DN XFMR FOR INVERTER TK.0 PT80 80GL9T 8DN XFMR FOR INVERTER TK.0 CN90 87G S AC SOCKET ST-0DF-BCE-R CN95 95G8044X689 WIRE HARNESS Q5G605 6 INSULATE SHEET BD90 9G GBU408 D90 9G 606T5T RECTIFIER DIODE FR07 705G G G G GH GQ7K Q90 ASS'Y F90 ASS'Y D9 ASS'Y D95 ASS'Y NR90 ASS'Y A4 ASS'Y IC90 56G 5649 IC TEA5AT S08 U8 56G OZ998GN Q874 57G 47 4 PMBS904/PHILIPS-SMT(04 Q87 57G 759 RK700 Q880 57G 759 RK700 Q88 57G 759 RK700 Q88 57G 759 RK700 Q885 57G 759 RK700 Q886 57G 759 RK700 Q87 57G 760 4B PDTA44WK SOT46 48

49 7" LCD Color Monitor HP L740 Q8 57G 76 4 AM9945N Q84 57G 76 4 AM9945N R89 6G RST CHIPR 0 OHM +-5% / R849 6G RST CHIPR 0 OHM +-5% / R96 6G RST CHIPR 0 OHM +-5% / RJ80 6G RST CHIPR 0 OHM +-5% / RJ87 6G RST CHIPR 0 OHM +-5% / R94 6G F6857 RST CHIPR KOHM +-% / R85 6G F6857 RST CHIPR 0KOHM +-% R86 6G F6857 RST CHIPR 0KOHM +-% R855 6G F6857 RST CHIPR 0KOHM +-% R856 6G F6857 RST CHIPR 0KOHM +-% R946 6G F6857 RST CHIPR 00KOHM +-% R954 6G RST CHIPR 00 OHM +-5% R8 6G RST CHIPR KOHM +-5% / R85 6G RST CHIPR KOHM +-5% / R88 6G RST CHIPR KOHM +-5% / R884 6G RST CHIPR KOHM +-5% / R886 6G RST CHIPR KOHM +-5% / R888 6G RST CHIPR KOHM +-5% / R804 6G RST CHIPR 0KOHM +-5% R807 6G RST CHIPR 0KOHM +-5% R880 6G RST CHIPR 0KOHM +-5% R88 6G RST CHIPR 00KOHM +-5% R88 6G RST CHIPR 00KOHM +-5% R885 6G RST CHIPR 00KOHM +-5% R887 6G RST CHIPR 00KOHM +-5% R89 6G RST CHIPR MOHM +-5% / R9 6G RST CHIPR MOHM +-5% / R8 6G RST CHIPR.KOHM +-5% R85 6G RST CHIPR.KOHM +-5% R9 6G RST CHIPR KOHM +-5% R94 6G08054 F6857 RST CHIPR.4KOHM +-% R87 6G RST CHIPR KOHM +-5% / R86 6G RST CHIPR 0KOHM +-5% R865 6G0805 0F6857 RST CHIPR OHM +-% R85 6G RST CHIPR 0KOHM +-5% R874 6G RST CHIPR 0 OHM +-5% R97 6G RST CHIPR KOHM +-5% R8 6G08058 F6857 RST CHIPR 8.KOHM +-% 49

50 7" LCD Color Monitor HP L740 R94 6G F6857 RST CHIPR 5.KOHM +-% R8 6G RST CHIPR 60KOHM +-5% R85 6G F6857 RST CHIPR 7.5KOHM +-% R87 6G F6857 RST CHIPR 7.5KOHM +-% R96 6G RST CHIPR 750 OHM +-5% R944 6G F6857 RST CHIPR 9.KOHM +-% R945 6G F6857 RST CHIPR 9.KOHM +-% R98 6G RST CHIPR 0 OHM +-5% / R960 6G RST CHIPR 0 OHM +-5% / RJ804 6G RST CHIPR 0 OHM +-5% / R8 6G RST CHIPR 0 OHM +-5% R8 6G RST CHIPR 0 OHM +-5% R84 6G RST CHIPR 0 OHM +-5% R84 6G RST CHIPR 0 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R907 6G RST CHIPR 0KOHM +-5% R904 6G RST CHIPR.5MOHM +-5% R90 6G RST CHIPR.5MOHM +-5% R97 6G RST CHIPR.8KOHM +-5% R97 6G RST CHIPR 4.7KOHM +-5% R900 6G RST CHIPR 680KOHM +-5% R90 6G RST CHIPR 680KOHM +-5% R90 6G RST CHIPR 680KOHM +-5% C88 65G PF 50V NPO C86 65G PF 50V NPO C89 65G CHIP 0.0uF 5V X7R 080 C88 65G CHIP 0.0uF 5V X7R 080 C88 65G CHIP 0.0uF 5V X7R 080 C885 65G CHIP 0.0uF 5V X7R 080 C887 65G CHIP 0.0uF 5V X7R 080 C8 65G UF +-0% 5V X7R 080 C880 65G UF +-0% 5V X7R 080 C9 65G UF +-0% 5V X7R 080 C95 65G UF +-0% 5V X7R 080 C955 65G UF +-0% 5V X7R 080 C8 65G CHIP UF 5V X7R 0805 C8 65G CHIP UF 5V X7R 0805 C84 65G CHIP UF 5V X7R 0805 C846 65G CHIP UF 5V X7R

51 7" LCD Color Monitor HP L740 C874 65G CHIP UF 5V X7R 0805 C94 65G CHIP UF 5V X7R 0805 C95 65G CHIP nf 5V X7R 0805 C8 65G PF C8 65G PF C84 65G PF C84 65G PF C847 65G CHIP 0.0UF 5V X7R 08 C858 65G MLCC PF J 50V N C860 65G MLCC PF J 50V N C865 65G CHIP 0.0UF 50V C8 65G UF+-0% 5V X7R 080 C97 65G UF+-0% 5V X7R 080 C8 65G080547G PF G 5V NPO C94 65G PF 5V/NPO/J D8 9G 64 BAV99 SOT- D85 9G 64 BAV99 SOT- D8 9G 64 4 PP BAV70 SOT- D85 9G 64 4 PP BAV70 SOT- D88 9G 64S N448W D88 9G 64S N448W D885 9G 64S N448W D887 9G 64S N448W ZD874 9G 9S 4 T RLZ 5.6B LLDS ZD975 9G 9S 5 T RLZ5.B BY ROHM CN90 6G 500 EYELET C907 6G 50.5MM RIVET L90 6G 50.5MM RIVET NR90 6G 50.5MM RIVET PT80 6G 50.5MM RIVET PT80 6G 50.5MM RIVET T90 6G 50.5MM RIVET 75G PWPC F90 95G 90 TIOATEDCOPPER J80 95G 90 TIOATEDCOPPER J804 95G 90 TIOATEDCOPPER J8 95G 90 TIOATEDCOPPER J84 95G 90 TIOATEDCOPPER J85 95G 90 TIOATEDCOPPER J86 95G 90 TIOATEDCOPPER 5

52 7" LCD Color Monitor HP L740 J87 95G 90 TIOATEDCOPPER J88 95G 90 TIOATEDCOPPER J80 95G 90 TIOATEDCOPPER J8 95G 90 TIOATEDCOPPER J8 95G 90 TIOATEDCOPPER J8 95G 90 TIOATEDCOPPER J84 95G 90 TIOATEDCOPPER J85 95G 90 TIOATEDCOPPER J90 95G 90 TIOATEDCOPPER J904 95G 90 TIOATEDCOPPER J905 95G 90 TIOATEDCOPPER J906 95G 90 TIOATEDCOPPER J907 95G 90 TIOATEDCOPPER J9 95G 90 TIOATEDCOPPER J9 95G 90 TIOATEDCOPPER J9 95G 90 TIOATEDCOPPER J94 95G 90 TIOATEDCOPPER J95 95G 90 TIOATEDCOPPER R95 6G 7005T64 RST CFR 0 0HM +-5% /4 R95 6G 7005T64 RST CFR 0 0HM +-5% /4 R86 6G 00045T609 RST MFR 00KOHM +-% / R86 6G 005T609 RST MFR KOHM +-% /4 R9 6G 0755T609 RST MFR 750 OHM +-% / R87 6G75L05T64 RST CFR 0KOHM +-5% / R89 6GY65 KT876 RST MGFR 6.MOHM +-5% R859 6GY65 KT876 RST MGFR 6.MOHM +-5% FB90 7G FERRITE BEAD FB90 7G FERRITE BEAD ZD95 9G 9905T ZD P6KE8.A D96 9G 608T5T FR0 IC94 56G 58 0 T AZ4AZ-AE TO-9 C90 65G K0 5T69 000PF/KV C97 67G5Y6804KT666 ELCAP 68UF +-0% 5V 0 Q90 57G STP8NK80ZFP TO-0FP 90G6064 MG70 88 CR HEAT SINK SCREW F90 84G FUSE CLIP 84G AH/50V 90G6064 HEAT SINK D9 9G 6045 SP050 5

53 7" LCD Color Monitor HP L740 MG70 88 CR SCREW D95 9G506 FMW-56 MG70 68 CR Q90G6 SCREW Mx6 HEAT SINK NR90 6G 580T 687 RST NTCR 8 OHM +-0% 4A 96G 9 0 H.S.TUBE C96 67G5H0 N ELCAP 000UF +-0% 6V V000 G649 PM L CONTROL BUTTON V000 G640 C LENS-POWER 4G69AFH B 0 BEZEL 0 5G640 MAIN FRAME 86 95G CBLE-07 7/60/7-07 AW 0 H5G INSULATE SHEET 5

54 7" LCD Color Monitor HP L Different Parts List Diversity of T77CNNDKCKHFQE Compared with T77GNNDKCKHFQE Location Part No. Description CBPC6CNNHPQP MAIN BOARD PWPC74CHP POWER BOARD 89G79J0H7 FFC CABLE 705GH7400 ASS'Y 750GLB70A7PZ000H PANEL CLAA70EA07P 000 C04 65G CHIP 0.UF 5V X7R C 65G CHIP 0.UF 5V X7R C8 65G CHIP 0.UF 5V X7R C5 65G CHIP 0.UF 5V X7R D90 9G 606W5T FR07 ZD975 9G 9GA6 T ZENER DIODE RLZ5.B SEM 0 5G640 4 MAIN FRAME Diversity of T77ANNDKCKHFQE Compared with T77GNNDKCKHFQE Location Part No. Description CBPC6ANNHAQP MAIN BOARD PWPC74AHP POWER BOARD 705GH74009 ASS'Y E750L 750GLU70GDZ000H PANEL M70EG0 VD00 AUO QG A LOGO D90 9G 606W5T FR07 0 5G640 MAIN FRAME Diversity of T76CNNDBCKHPQE Compared with T77GNNDKCKHFQE Location Part No. Description CBPC6CNNHPQP MAIN BOARD PWPC74CHP POWER BOARD 4G A8 QSG-EU 89G79J0H7 FFC CABLE 89G404A9N LS POWER CORD 705GH7400 ASS'Y 750GLB70A7PZ000H PANEL CLAA70EA07P 000 Q4G C DOC KIT740 FOR EMEA SMTC6CNNHPQP G864--X-X--070 CN40 G P/.0MM U50 56G4 4 CY7C65640A-LFXC Q50 57G 760PH TRA PDTC4EK SC-59 PHI 54

55 7" LCD Color Monitor HP L740 Q50 57G 76PH FET POW SM SI544DC(VIS R 6G RST CHIPR 0 OHM +-5% / R 6G RST CHIPR 0 OHM +-5% / R40 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 0 OHM +-5% / R40 6G RST CHIPR 0 OHM +-5% / R404 6G RST CHIPR 0 OHM +-5% / R407 6G RST CHIPR 0 OHM +-5% / R44 6G RST CHIPR 0 OHM +-5% / R45 6G RST CHIPR 0 OHM +-5% / R50 6G RST CHIPR 0 OHM +-5% / R504 6G RST CHIPR 0 OHM +-5% / R507 6G RST CHIPR 0 OHM +-5% / R508 6G RST CHIPR 0 OHM +-5% / R0 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R09 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R5 6G RST CHIPR 00 OHM +-5% R7 6G RST CHIPR 00 OHM +-5% R8 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R4 6G RST CHIPR 00 OHM +-5% R04 6G RST CHIPR 00 OHM +-5% R05 6G RST CHIPR 00 OHM +-5% R07 6G RST CHIPR 00 OHM +-5% R08 6G RST CHIPR 00 OHM +-5% R09 6G RST CHIPR 00 OHM +-5% R0 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R8 6G RST CHIPR 00 OHM +-5% R9 6G RST CHIPR 00 OHM +-5% 55

56 7" LCD Color Monitor HP L740 R 6G RST CHIPR 00 OHM +-5% R5 6G RST CHIPR 00 OHM +-5% R6 6G RST CHIPR 00 OHM +-5% R 6G RST CHIPR 00 OHM +-5% R05 6G RST CHIPR 0KOHM +-5% R06 6G RST CHIPR 0KOHM +-5% R07 6G RST CHIPR 0KOHM +-5% R 6G RST CHIPR 0KOHM +-5% R 6G RST CHIPR 0KOHM +-5% R6 6G RST CHIPR 0KOHM +-5% R7 6G RST CHIPR 0KOHM +-5% R4 6G RST CHIPR 0KOHM +-5% R408 6G RST CHIPR 0KOHM +-5% R45 6G RST CHIPR 0KOHM +-5% R46 6G RST CHIPR 0KOHM +-5% R47 6G RST CHIPR 0KOHM +-5% R40 6G RST CHIPR 0KOHM +-5% R48 6G RST CHIPR 0KOHM +-5% R40 6G RST CHIPR 0KOHM +-5% R4 6G RST CHIPR 0KOHM +-5% R50 6G RST CHIPR 0KOHM +-5% R44 6G RST CHIPR 00KOHM +-5% R48 6G RST CHIPR 00KOHM +-5% R50 6G RST CHIPR 00KOHM +-5% R5 6G RST CHIPR 00KOHM +-5% R4 6G RST CHIPR MOHM +-5% / R505 6G RST CHIPR 5KOHM +-5% R506 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R54 6G RST CHIPR 5KOHM +-5% R55 6G RST CHIPR 5KOHM +-5% R56 6G RST CHIPR 5KOHM +-5% R50 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R5 6G RST CHIPR 5KOHM +-5% R49 6G RST CHIPR.8KOHM +-5% R4 6G RST CHIPR.8KOHM +-5% R4 6G RST CHIPR.8KOHM +-5% R49 6G RST CHIPR 0 OHM +-5% 56

57 7" LCD Color Monitor HP L740 R4 6G RST CHIPR 0 OHM +-5% R4 6G RST CHIPR.KOHM +-5% R4 6G RST CHIPR.KOHM +-5% R06 6G RST CHIPR 90 OHM +-5% R40 6G RST CHIPR 47 OHM +-5% R405 6G RST CHIPR 47 OHM +-5% R8 6G RST CHIPR 4.7KOHM +-5% R5 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R7 6G RST CHIPR 4.7KOHM +-5% R9 6G RST CHIPR 4.7KOHM +-5% R0 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R 6G RST CHIPR 4.7KOHM +-5% R5 6G RST CHIPR 47KOHM +-5% R4 6G F6865 RST CHIPR 75 OHM +-% R5 6G F6865 RST CHIPR 75 OHM +-% R6 6G F6865 RST CHIPR 75 OHM +-% R4 6G RST CHIPR 0 OHM +-5% / R54 6G RST CHIPR 0 OHM +-5% / C5 65G CHIP 00PF 50V NPO C50 65G UF+-0% 50V X7R C44 65G CHIP 0.UF 50V X7R C45 65G CHIP 0.UF 50V X7R C46 65G CHIP 0.UF 50V X7R C47 65G CHIP 0.UF 50V X7R C59 65G CHIP 0.UF 50V X7R C55 65G CHIP 7P 50V NPO C56 65G CHIP 7P 50V NPO C9 65G CAP:CER.+-0.5PF 50V C 65G CAP:CER.+-0.5PF 50V C40 67G4F470XT67 CDPH ELCAP 47UF +-0% C4 67G4F470XT67 CDPH ELCAP 47UF +-0% FB40 7G 56K M CHIP BEAD FB404 7G 56K M CHIP BEAD FB50 7G 56K M CHIP BEAD L50 7G5S B CHOKE COIL L50 7G5S B CHOKE COIL L504 7G5S B CHOKE COIL 57

58 7" LCD Color Monitor HP L740 Y0 9G S 5 MHZ/0PF/AGX-49U/S SM 75G MAIN BOARD PCB C900 65G05M0BP6W9 Y 000PF M 50VAC Y5P C90 65G05M0BP6W9 Y 000PF M 50VAC Y5P C9 65G06MBP6W9 00PF +-0% 400VAC C956 67G5SKV666 ELCAP 0UF +-0% 6V L904 7G 558 LS COI CHOKE 5UH 8M OHM 705GQ7K A4 ASS'Y F90 84G FUSE 8-5A 50V SICKMA D90 9G 606W5T FR07 IC90 56G IC L597D0TR S08 R89 6G RST CHIPR 0 OHM +-5% / R849 6G RST CHIPR 0 OHM +-5% / R96 6G RST CHIPR 0 OHM +-5% / RJ80 6G RST CHIPR 0 OHM +-5% / RJ87 6G RST CHIPR 0 OHM +-5% / R94 6G F6865 RST CHIPR KOHM +-% / R958 6G RST CHIPR KOHM +-5% / R88 6G RST CHIPR 00KOHM +-5% R88 6G RST CHIPR 00KOHM +-5% R885 6G RST CHIPR 00KOHM +-5% R887 6G RST CHIPR 00KOHM +-5% R89 6G RST CHIPR MOHM +-5% / R9 6G RST CHIPR MOHM +-5% / R8 6G RST CHIPR.KOHM +-5% R85 6G RST CHIPR.KOHM +-5% R9 6G RST CHIPR KOHM +-5% R954 6G RST CHIPR 50 OHM +-5% R86 6G RST CHIPR 0KOHM +-5% R85 6G RST CHIPR 0KOHM +-5% R957 6G08056 F6857 RST CHIPR.6KOHM +-% R874 6G RST CHIPR 0 OHM +-5% R97 6G RST CHIPR KOHM +-5% R955 6G RST CHIPR 4.7KOHM +-5% R956 6G F6857 RST CHIPR 5.6KOHM +-% R8 6G RST CHIPR 60KOHM +-5% R96 6G RST CHIPR 750 OHM +-5% R98 6G RST CHIPR 0 OHM +-5% / RJ804 6G RST CHIPR 0 OHM +-5% / R8 6G RST CHIPR 0 OHM +-5% 58

59 7" LCD Color Monitor HP L740 R8 6G RST CHIPR 0 OHM +-5% R84 6G RST CHIPR 0 OHM +-5% R84 6G RST CHIPR 0 OHM +-5% R9 6G RST CHIPR. OHM +-5% R9 6G RST CHIPR. OHM +-5% C89 65G CHIP 0.0uF 5V X7R 080 C88 65G CHIP 0.0uF 5V X7R 080 C88 65G CHIP 0.0uF 5V X7R 080 C885 65G CHIP 0.0uF 5V X7R 080 C887 65G CHIP 0.0uF 5V X7R 080 C95 65G UF +-0% 5V X7R 080 C959 65G UF +-0% 5V X7R 080 C95 65G CHIP nf 5V X7R 0805 C960 65G CHIP 0PF 5V X7R 0805 C8 65G PF C8 65G PF C84 65G PF C84 65G PF C96 65G CHIP 0.0UF 5V X7R 08 C858 65G MLCC PF J 50V N C860 65G MLCC PF J 50V N C865 65G CHIP 0.0UF 50V C8 65G080547G PF G 5V NPO C94 65G PF 5V/NPO/J ZD975 9G 9GA6 T ZENER DIODE RLZ5.B SEM D906 9G 5ZJ6T SB40 C9 65G57K T69 00PF Z5F 500V C96 67G5Y K666 ELCAP 00UF +-0% 0V 0 5G640 4 MAIN FRAME Diversity of T77CNNDBCKHFQE Compared with T77GNNDKCKHFQE Location Part No. Description CBPC6CNNHPQP PWPC74CHP 4G A8 89G79J0H7 MAIN BOARD POWER BOARD QSG-EU FFC CABLE E089A 89G404A9N LS POWER CORD 705GH7400 ASS'Y 750GLB70A7PZ000H PANEL CLAA70EA07P 000 Q4G C DOC KIT740 FOR EMEA 59

60 7" LCD Color Monitor HP L740 C04 65G CHIP 0.UF 5V X7R C 65G CHIP 0.UF 5V X7R C8 65G CHIP 0.UF 5V X7R C5 65G CHIP 0.UF 5V X7R D90 9G 606W5T FR07 ZD975 9G 9GA6 T ZENER DIODE RLZ5.B SEM 0 5G640 4 MAIN FRAME 60