KAC-849 SERVICE MANUAL

Transcript

1 GND 0 POWER KC- SERVICE MNUL 00- PRINTED IN KORE --00 (K) POWER IN RIDGED SPEKER LEFT FUSE(0) TT. P.CON OUTPUT RIGHT POWER MXIMUM POWER FILTER SS OOST(.CH).CH.CH OFF OFF OFF ON HPF LPF HPF LPF OPERTION.CH.CH INPUT SELECTOR STEREO MONO(Lch) STEREO MONO(Lch) LINE IN LINE OUT (MIN) 0.(MX) (MIN) 0.(MX).CH.CH INPUT SENSITIVITY(V) HPF LPF 00.CH HPF LPF.CH FILTER FREQUENCY(Hz) GND L R SPEKER LEVEL INPUT L R

2 KC- DJUSTMENT No. ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS LIGNMENT POINTS LIGN FOR FIG. Connect a cassette receiver or CD receiver. IDEL CURRENT - Connect a DC voltmeter between TP/TP and J (SP.OUT, L/R-) VOLUME : 0 () VR (L ch) VR (R ch) () VR (L ch) VR (R ch) (X0-) (Normal).mV (Limit).0-.0mV VR (-Rch) Normal:.mV Limit:.0-.0mV DC Voltmeter DC Voltmeter J Lch SP. OUT VR (-Lch) L TP () R DC Voltmeter VR (-Lch) L R TP () VR (-Rch) DC Voltmeter Rch ch ch

3 Lch () Rch () OUT (L) OUT (R) Lch () Rch () R() R() R-() R-() NC NC L-() L-() L() L() E J J R0.K C0 000P R0 R0 C D E F G H I J 0 IC (/) C C0 C0 000P 000P R0 R0 R K R0 C0 P R0 C0 K R0 K R0 C0 C0 K R0 R C00 000P R00 K R R K R0 R0 R K C 0.0 C0 000P R0 R0 R R K C00 000P R00 K R0 R R K R K C 0.0 R C P R K R0 R C P C P R C R0 R K R K C 0.0 R C P 0 R R R0 C0 0.0 VR 0K(C) C 0.0 R K R K R R C 0. R K R.K IC (/) C R K C 0.0 R K R K VR 0K(C) C 0.0 R R C 0. 0 R K C C C R R0 C0 0.0 R C P C P R C R R K VR 0K(C) R.K R K R K R K 0. R K C u C 0.0 C R K 0. 0 R K R.K R 0 R0 0 R.K C R K R K C C R K C 0.0 R K C u R K R K R K R K C R 00K R.K R 0 R0 0 R 00K R.K C0 P C 0.0 C0 0 R0 R C P VR 0K(C) R0.K R.K R.K.K R C 0.0 IC (/) C 0.0 C R0 K 0 C P R (/) IC C.K R0 IC (/) C0 R0.K C0 00P IC (/) R R R (/) IC R.. ON/OFF R R R0 00 C0.u0 C0.u0 C 0.0 R.K C 0u R0.K R0 K C0 0. IC (/) R0.K R0 C0 00P C0 C R0.K R0 K R0.K R C K R K C R 0 R0 0 C u R 0 R 0 C u 00 R 0.0 C 00 R 0.0 C R K C 0P R R C0 0P C 0P C 0P R R R C 0P R C 0P C 000P R VR R 0 0().K R.K C 0u 0 R.K R.K R 00 R 00 R 00 R.K C 000P VR 0() R 0 R C0 R K K R K C C C0 R0 K R K 0 R.K R.K R.K R.K C P R K R K R0 K R K R.K R 00 R 00 C0 C C C0 C 0u R 00 R 00 C0 u C0 u R.K R.K R.K R.K R.K R K C 0P R 0 R K C C 00 R 0.0 C R C0 0P R K C0 0P 0P C 0P R R 0 R0 0 C u R R0.K C0 P R 0 R.K R 0 C u R C P C 0P R R 0 00 R 0.0 C R K C 0P C 000P VR 0() R C K Q R.K C 0P R R0.K R.K R K C 0P C 0u R K C 0P R 0 R.K R 00 R0 00 R0 0 /W C 0u0 C u C0 u R K R R.K R.K R C u D C u C C 000P C u D C u R 0 /W C 000P R VR R.K 0() 0 R0 00 L C0 00u C 00u C R 0 R 0 R.K R.K R 0. W R0 0. W R 0. W R 0. W C P R.K R. R R R. R. R R R. R K Q0-0 Q0-0 Q, MUTE SW C P C0 P Q, MUTE SW C P C0 P Q- Q0-0 Q0-0 Q0,0 C0 P R K Q, VR R.K C 000P R.K C 000P R.K C0 P R0 R0 IC (/) R0.K MODEL NME KC-S KC- IC (/) IC (/) IC IC (/) UNIT No YES (/W) (/W) R, R-, 0K K,,, R,,,, SC0 L SC00 L, Q,, S0 L S0 L, Q,, 00u 00u C, E0--0 NO CN D YES NO IC IC (/) IC INVERTER IC SS OOST IC (/) L L-00-0 L-00-0 IC (/) IC HPF,LPF IC, C0 C0 VR () IC INVERTER R0 K R K VR () IC (/) IC INVERTER D0 D0 S D0 D0 S IC (/) IC (/) IC (/) IC (/) IC (/) S IC (/) IC (/) IC (/) IC (/) D0 S D0 D0 IC (/) S S R D.K Q Q Q0 Q0 Q0 Q0 D Q0 Q0 Q0 Q0 Q Q Q0 D0 D0 Q Q Q D Q Q0 Q0 Q0 Q0 D0 D Q0 Q0 Q0 D D Q D D Q Q D D D ST STGE DIFFERENCIL ND STGE DIFFERENCIL Q0 Q0 Q MIN POWER SW (for CLSS- FIRST STGE) Q Q D D ST STGE DIFFERENCIL Q Q0 Q0 Q D UDIO UNIT (X0-xx-xx) (/) (X0-xx-xx) ISOLTION ISOLTION ST/MONO ST/MONO / UFFER,INVERTER, HPF,LPF HPF/ OFF/LPF INPUT SENSITIVITY HPF/ OFF/LPF INPUT SENSITIVITY DJ. DJ. Q Q Q OVER CURRENT DETECTOR & LIMMITER ND STGE DIFFERENCIL TEMPERTURE COMPENSTOR CURRENT Q Q DJ. DJ. TP D D Q0 CUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.

4 K L M N O R R Q0,0 TEMPERTURE COMPENSTOR Q- DRIVE CLSS- STGE Q- FINL CLSS- STGE Q-0 OVER CURRENT DETECTOR & LIMMITER Q Q Q R.K R.K Q0 0 Q PROTECTION SW (for OVER CURRENT) R K IC SWITCHING REGULTOR CONTROL Q- SWITCHING DRIVER Q- SWITCHING POWER STGE R C 00u. Q D C 0 D R C u0 R 00K R K C u C u R C D R.K R.K D D0 D Q IC Q 0 R K C u R 0 R 0K C 000P OSCILLTOR R 0 REFERENCE REGULLTOR R0 D Q, MUTE SW DRIVER R.K C u0 R0 0K R ERROR MP MIN POWER SW R K R K C 0u R Q.K D D D D P.CON SW R.K Q D0 D R 0 R 0K R TH TH K R.K C R0.K R 0K Q R K R 0K Q R.K C C.u0.u0 R K R.K Q OVER VOLTGE DETECTOR Q POWER SW S() S S SC SC SC0 SC() S SD SCK SC S0K C P D Q D D C P C0 P D Q D D C P R K R K Q Q R K R K C 0P C 0P C 0P C 0P Q R 0 Q R 0 R. R R 0. R R. Q R. R R R. Q W R 0. W R0 0. W R Q CURRENT Q Q 0. W Q TP R K R K R K R K C 00u. R.K R 0 /W C 0.0 R C 0 /W 0.0 R R C 0 /W 0.0 C 0 /W 0.0 Q- DRIVE CLSS- STGE Q- FINL CLSS- STGE Q, DC OFFSET DETECTOR D Q Q L D D R.K CN KC- (J,E,K,M) J E WH F TT P-CON GND L () L- () R- () R () L () L- () R- () R () (X0- )(/) D IC-, IC IC Q,, : SCK Q,,,, : S Q : S0K Q,,0,,,, : SC () (Q,P) Q : SC0 (R,S) Q,,,,0-0, 0-0 : S () (Q,P) Q- : FKV0T Q : SD Q : S Q,,,, : SC Q,,,,0-0, 0-0 : SC (F,E) Q,0,, : S (F,E) Q0,0,0,0 : SC (V,W) Q,,, : Q,,, : D : S0-M D : RD.JS () D,, : RDJS () D,,-,,,0-0,0-0, 0-0 : SS D : RD.JS () D : RD0JS () D : D : FMLS D : FMLR D, : M0W SIGNL LINE GND LINE LINE LINE : NJM0M : NJMM : UPCGS NJMM UPCGS NJM0M KC-

5 KC- EXPLODED VIEW x x 0 x x DC D Ex Ex Ex (X0-) J Ex C (X0-) J (X0-) (/) C Ex x Ex Ex C D E F G H J K φx (LK) φx φx φx (LK) φ.x0 φx0 (LK) Mx (LK) φ.x φx (LK) WSHER : N-00- : N-00- : N-0- : N-0- : N0--0 : N0-00- : N0-0-0 : N-0- : N0-00- : N-00- VRVRVRVR S S S S S S J (X0-) (/) Fx 0 Fx F 0 0 Fx G K Hx KC-(JEKM) Parts with exploded view numbers larger than 00 are not supplied. 0

6 PRTS LIST KC- New Parts Parts without Part No. are not supplied. N N Desti- Ref. No. d e Parts No. Description Ref. No. d e Parts No. Description d w nation d w C - CFFVHJ MF-C 00PF J KC- C CE0DW0J0M ELECTRO 00UF.WV -0-0 DRESSING PNEL C CE0DWHM ELECTRO 0UF 0WV --0 FRONT PNEL C CE0DW0J0M ELECTRO 00UF.WV RER PNEL C CE0DWC00M ELECTRO 0UF WV Destination -0-0 LIGHTING ORD C CE0DWH00M ELECTRO.0UF 0WV WRRNTY CRD KEM C0 CE0DWE0M ELECTRO UF WV C CE0DWE0M ELECTRO UF WV C - CKGH0K CHIP C 0.00UF K INST. MNUL (ENGLISH) KE C CE0DWV0M ELECTRO UF WV INST. MNUL (FRENCH,SPNISH) KE C C0--0 ELECTRO 00UF WV INST. MNUL (GERMN,DUTCH) E C CE0DWE00M ELECTRO 0UF WV INST. MNUL (IT,POR) E C00 CFFVH0J MF-C 000PF J INST. MNUL (ENGLISH,CHINESE) M C0,0 CKGH0K CHIP C 000PF K E0--0 CONNECTING CORD SSY C0,0 CE0DWC00M ELECTRO 0UF WV F0-0-0 HET SINK F F-00-0 FUSE (LDE TYPE) (0) 0 H0-0-0 DHESIVE DOULE-COTED TPE - H0--0 POLYSTYRENE FOMED FIXTURE - H-0-0 PROTECTION G (00XX0.0) - H-0-0 PROTECTION G (0X0X0.0) - H-00-0 ITEM CRTON CSE J0-0-0 SPCER N--0 SCREW SET N-00- INDING HED TPTITE SCREW N-00- INDING HED TPTITE SCREW C N-0- RZIER HED TPTITE SCREW D N-0- PN HED TPTITE SCREW E N0--0 TPTITE SCREW (.X0) F N0-00- PN HED TPTITE SCREW G N0-0-0 TPPING SCREW (X,TP,S) H N-0- PN HED TPTITE SCREW J N0-00- PN HED TPTITE SCREW K N-00- FLT WSHER W0--0 TERMINL COVER SET D 0--0 LED (LUE) C CE0DWC00M ELECTRO 0UF WV C CE0DWV0M ELECTRO UF WV C CE0DWV0M ELECTRO UF WV C CE0DWHRM ELECTRO.UF 0WV C CE0DWC00M ELECTRO 0UF WV C CFFVH0J MF-C 000PF J C CE0DWH00M ELECTRO.0UF 0WV C CE0DWHRM ELECTRO.UF 0WV C CFFVHJ MF-C 00PF J C0 C0--0 ELECTRO 00UF WV UDIO UNIT (X0-0-0) C, C0--0 ELECTRO 00UF WV C - CE0DWV0M ELECTRO UF WV E : Europe J : Japan K : North merica M : Other reas C0,0 CCGCHH0J CHIP C PF J C0- CE0DWC00M ELECTRO 0UF WV C, CCGCHH0J CHIP C PF J C, CE0DWC00M ELECTRO 0UF WV C, CKFCK CHIP C 0.UF K C,0 CKGEK CHIP C 0.0UF K C- CE0DWC00M ELECTRO 0UF WV C CKGH0K CHIP C 000PF K C CE0DWC0M ELECTRO UF WV C,0 CCGCHH0J CHIP C PF J C0 CE0DWV0M ELECTRO UF WV C, CE0DWC00M ELECTRO 0UF WV C, CCGCHHJ CHIP C 0PF J C, CFFVH0J MF-C 0.00UF J C, CE0DWE0M ELECTRO UF WV C,0 CCFSLH00D CERMIC 0PF D C, CKFHK CERMIC 0PF K C, CE0DWV00M ELECTRO 0UF WV C, CFFVH0J MF-C 000PF J C-0 CCFSLH0J CERMIC PF J C, CFFVHJ MF-C 0.0UF J C00 CFFVH0J MF-C 000PF J C0,0 CKGH0K CHIP C 000PF K C0,0 CE0DWC00M ELECTRO 0UF WV C0,0 CCGCHH0J CHIP C PF J C0- CE0DWC00M ELECTRO 0UF WV C, CCGCHH0J CHIP C PF J C, CE0DWC00M ELECTRO 0UF WV C, CKFCK CHIP C 0.UF K C,0 CKGEK CHIP C 0.0UF K C- CE0DWC00M ELECTRO 0UF WV C CKGH0K CHIP C 000PF K C CE0DWC0M ELECTRO UF WV C,0 CCGCHH0J CHIP C PF J C0 CE0DWV0M ELECTRO UF WV C, CE0DWC00M ELECTRO 0UF WV C, CCGCHHJ CHIP C 0PF J C, CFFVH0J MF-C 0.00UF J C, CE0DWE0M ELECTRO UF WV C,0 CCFSLH00D CERMIC 0PF D indicates safety critical components.

7 KC- PRTS LIST New Parts Parts without Part No. are not supplied. Ref. No. N N Destid e Parts No. Description Ref. No. d e nation d w d w Parts No. Description C, CKFHK CERMIC 0PF K R RKGJ0J CHIP R J /W C, CE0DWV00M ELECTRO 0UF WV R RKGJJ CHIP R K J /W C, CFFVH0J MF-C 000PF J R - RDCJ RD 0 J /W C-0 CCFSLH0J CERMIC PF J R - RDC0J RD.0K J /W C, CFFVHJ MF-C 0.0UF J R,0 RKGJJ CHIP R.K J /W Destination C0,0 CCGCHH0J CHIP C 00PF J R - RDCJ RD 0 J /W C0,0 CFFVHJ MF-C 0.UF J R - RDC0J RD.0K J /W C0,0 CE0DWHRM ELECTRO.UF 0WV R,0 RKGJJ CHIP R.K J /W C0,0 CE0DWC00M ELECTRO 0UF WV R - RDCJ RD K J /W R RDCJ RD.K J /W CN E0--0 PIN SSY E, E-0-0 TERMINL R00 RDC0J RD.0K J /W J E-0-0 PIN JCK R0,0 RKE0J CHIP R.0K J /W J E-0-0 RECTNGULR RECEPTCLE R0-0 RKGJ0J CHIP R J /W J E0-0-0 SCREW TERMINL ORD R0- RKF0J CHIP R J /0W R- RKGJJ CHIP R K J /W TP, E0-0-0 PIN SSY WH E-00-0 WIRING HRNESS R-0 RKEJ CHIP R K J /W R, RDCJ RD.K J /W E J--0 HOLDER R- RKF0J CHIP R J /0W R, RKGJJ CHIP R K J /W L L-0-0 CHOKE COIL R- RKGJ0J CHIP R J /W L L-00-0 TRNSFORMER FOR CONVERTER R, RKGJ0J CHIP R.0K J /W F N0-00- PN HED TPTITE SCREW R, RKGJJ CHIP R.K J /W R,0 RKGJ0J CHIP R J /W R - RKGJJ CHIP R.K J /W R, RKGJJ CHIP R K J /W R RKGJJ CHIP R.K J /W R- RKGJJ CHIP R K J /W R RKGJ0J CHIP R 0K J /W R RKGJJ CHIP R.K J /W R RKGJJ CHIP R K J /W R RDCJ RD.K J /W R,0 RKGJJ CHIP R 0 J /W R, RKGJ0J CHIP R.0K J /W R RKGJJ CHIP R 0K J /W R, RKGJJ CHIP R K J /W R0 RDCJ RD.K J /W R, RDCJ RD.K J /W R RKGJJ CHIP R K J /W R RKGJJ CHIP R.K J /W R-0 RDCJ RD 0 J /W R RDCJ RD K J /W R, RDC0J RD 00 J /W R, RDC0J RD.0K J /W R RKGJJ CHIP R.K J /W R, RDCJ RD K J /W R RKGJJ CHIP R 0 J /W R, RDC0J RD J /W R RKGJJ CHIP R K J /W R RKGJ0J CHIP R J /W R- RDCJ RD.K J /W R RKGJJ CHIP R K J /W R, RDCJ RD 0 J /W R, RDCJ RD.K J /W R RKGJ0J CHIP R 00K J /W R-0 RDNE0J RD 00 J /W R0 RKGJJ CHIP R 0K J /W R, RDNEJ RD 0 J /W R RKGJ0J CHIP R J /W R, RKGJ0J CHIP R 0K J /W R- RDNERJ RD. J /W R, RDCJ RD 0 J /W R-0 R-00-0 METL-PLTE 0. K W R, RDDH00J SMLL-RD 0 J /W R, RDCJ RD K J /W R- RKGJJ CHIP R.K J /W R RDCJ RD K J /W R RKE0J CHIP R 00 J /W R RKGJ0J CHIP R J /W R0 RDC0J RD J /W R RKGJJ CHIP R K J /W R, RDCJ RD.K J /W R00 RDC0J RD.0K J /W R0,0 RKE0J CHIP R.0K J /W R, RDC0J RD J /W R0-0 RKGJ0J CHIP R J /W R, RDCJ RD 0 J /W R0- RKF0J CHIP R J /0W R, RDCJ RD.K J /W R,0 RDDH00J SMLL-RD 0 J /W R- RKGJJ CHIP R K J /W R, RDDH0J SMLL-RD J /W R-0 RKEJ CHIP R K J /W R, RDCJ RD.K J /W R, RDCJ RD.K J /W R- RKF0J CHIP R J /0W R RKGJJ CHIP R K J /W R, RKGJJ CHIP R K J /W E : Europe J : Japan K : North merica indicates safety critical components. M : Other reas

8 PRTS LIST KC- New Parts Parts without Part No. are not supplied. Ref. No. N Desti- N Destid e Parts No. Description Ref. No. d e Parts No. Description nation nation d w d w R- RKGJ0J CHIP R J /W D, RDJS() ZENER DIODE R, RKGJ0J CHIP R.0K J /W D0-0 SS DIODE R, RKGJJ CHIP R.K J /W D, M0W ZENER DIODE R,0 RKGJ0J CHIP R J /W D0-0 SS DIODE R, RKGJJ CHIP R K J /W D0-0 SS DIODE R- RKGJJ CHIP R K J /W IC - NJM0M IC(OP MP) R RKGJJ CHIP R K J /W IC NJMM NLOGUE IC R,0 RKGJJ CHIP R 0 J /W IC NJM0M IC(OP MP) R, RKGJ0J CHIP R.0K J /W IC UPCGS NLOGUE IC R, RKGJJ CHIP R K J /W Q, SCK TRNSISTOR R, RDCJ RD.K J /W Q S TRNSISTOR R-0 RDCJ RD 0 J /W Q S0K TRNSISTOR R, RDC0J RD 00 J /W Q SCK TRNSISTOR R, RDC0J RD.0K J /W Q SC()(Q,P) TRNSISTOR R, RDCJ RD K J /W Q SC0(R,S) TRNSISTOR R, RDC0J RD J /W Q,0 SC()(Q,P) TRNSISTOR R- RDCJ RD.K J /W Q, S()(Q,P) TRNSISTOR R, RDCJ RD 0 J /W Q - FKV0T* FET R, RDCJ RD.K J /W Q SD TRNSISTOR R-0 RDNE0J RD 00 J /W Q S TRNSISTOR R, RDNEJ RD 0 J /W Q, S()(Q,P) TRNSISTOR R- RDNERJ RD. J /W Q SC TRNSISTOR R-0 R-00-0 METL-PLTE 0. K W Q, SC()(Q,P) TRNSISTOR R, RDDH00J SMLL-RD 0 J /W Q, SC(F,E) TRNSISTOR R- RKGJJ CHIP R.K J /W Q,0 S(F,E) TRNSISTOR R RKE0J CHIP R 00 J /W Q, SC()(Q,P) TRNSISTOR R RKGJJ CHIP R K J /W Q, SC(F,E) TRNSISTOR R0-0 RKGJJ CHIP R.K J /W Q, S(F,E) TRNSISTOR R0,0 RKGJJ CHIP R K J /W Q0-0 S()(Q,P) TRNSISTOR R0,0 RKGJ0J CHIP R 00 J /W Q0-0 SC(F,E) TRNSISTOR R, RKGJJ CHIP R.K J /W Q0,0 SC(V,W) TRNSISTOR R, RKGJJ CHIP R.K J /W Q, SC TRNSISTOR R, RKGJJ CHIP R.K J /W Qs, S TRNSISTOR R, RKGJ0J CHIP R 00K J /W Q, SC0L TRNSISTOR R,0 RKGJJ CHIP R K J /W Q, S0L TRNSISTOR R0-0 RDEJ RD 0 J /W Q0-0 S()(Q,P) TRNSISTOR Q0-0 SC(F,E) TRNSISTOR VR, R-0-0 VRILE RESISTOR Q0,0 SC(V,W) TRNSISTOR VR, R-0-0 VRILE RESISTOR Q, SC TRNSISTOR VR - R SEMI FIXED VRILE RESISTOR Q, S TRNSISTOR W- R--0 CHIP R 0 OHM Q, SC0L TRNSISTOR S, S-0-0 SLIDE SWITCH Q, S0L TRNSISTOR S, S-0-0 SLIDE SWITCH TH PTHL0DTS POSITIVE RESISTOR S, S-0-0 SLIDE SWITCH TH PTHM0DT POSITIVE RESISTOR D N0-M DIODE D RD.JS() ZENER DIODE D RDJS() ZENER DIODE D, SS DIODE D RD.JS() ZENER DIODE D RD0JS() ZENER DIODE D - SS DIODE D, SS DIODE D FMLS DIODE D FMLR DIODE E : Europe J : Japan K : North merica M : Other reas indicates safety critical components.

9 KC- SPECIFICTIONS udio Section Rated Power Output ( Ω), Channel (0-0KHz, 0.0% THD)...0W x, Channel (DIN, =.V)...0W x Rated Power Output ( Ω), Channel (KHz, 0.% THD)...W x ridged Power Output ( Ω, KHz, 0.% THD)...0W x Max Power Output ( Ω, Normal)...00W x Max Power Output ( Ω, ridge)...00w x Low Pass Filter (, channel, d/oct.)...0hz - 00Hz High Pass Filter (, channel, d/oct.)...0hz - 00Hz ass oost Circuit (0Hz)...0.d Frequency Response (0, -d)...hz - 0KHz Signal to Noise Ratio...00d Sensitivity (Max) (rated output)...0.v Sensitivity (Min) (rated output)...0v Input Impedance...Ω General Operating Voltage (V-V allowable)...v Current Consumption (KHz, 0% THD)... Dimensions (Width x Height x Depth)...mm x mm x mm Weight...Kg