Kenwood-KDCX-659-Service-Manual电路原理图.pdf
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1、 2002-3 PRINTED IN JAPANB51-7927-00 (S) 1727CD RECEIVERlKDC-MP819/X659/Z838SERVICE MANUALThis service manual does not include information on the CD mechanism assembly (exploded view, parts list,schematic diagram or mechanism operation description).For such information, please refer to the CD mechani
2、sm assembly service manual (X92-4460-0x: B51-7891-00).Front glass(B10-4207-01)Panel assy(A64-2644-11)KDC-MP819Front glass(B10-4212-01)Panel assy(A64-2649-11)KDC-Z838Front glass(B10-4206-01)Panel assy(A64-2643-11)KDC-X659Screw set(N99-1723-05)Screw set(N99-1656-05)Lever(D10-4674-04)x2Mountinghardware
3、 assy(J21-9823-03)Plasticcabinet assy(A02-2712-13)Remote controller assy(A70-2026-05): KDC-MP819Remote controller assy(A70-2025-05): KDC-X659/Z838Escutcheon(B07-3050-02): KDC-MP819/Z838(B07-3057-02): KDC-X659DC cord(E30-6062-05): KDC-MP819/X659DC cord(E30-6106-05): KDC-Z838KDC-MP819/X659/Z8382BLOCK
4、DIAGRAMCHF/EFM+BPLL+BAM+BE-VOLMI-COMISOAMPEJECT LEDDSI4.5V PREDC/DCACC DETDIMMERACCDIMMERPOWER ICPRE AMPPRE OUTSP OUTMUTEDRIVERNOISEBUFFERANT-CON ANT-CONP-CON P-CONIF+BCDMECHAAUXSWOP AMPESSPEANAAGC OP AMPMUTE4.5VBU DET BACK UPEX AMP CONTEX AMP CONTRESETDETPANELKEY ILLMATRIXKEYFLSWMI-COMPANELSPEANABP
5、FREMORESETREGSWBUFFER3.3VSWSERVOAVRCD5VBOXDC/DCA8VSW14VDC/DCREGBU5VSW5VPANEL5VQ43,44Q45,46IC1IC2Q36 IC8,Q34IC5Q37-42IC10-12IC4Q32,IC7 33,35Q15Q31Q30Q14Q111,112Q26-29Q3Q9IC3,Q4-6IC6,Q16-23Q1IC23,Q472A1 Q10-13Q7,8Q473,474IC16305,306IC1IC5IC2ED1Q1,2Q7-10IC3IC4IC20IC21EEP ROMIC25Q101,EXCEPT KDC-MP819EXC
6、EPT KDC-MP819EXCEPT KDC-MP819Q3KDC-MP819 ONLYKDC-MP819 ONLYSDASCLS-METERSW5VRDCKFMAMAUDIO OUTBACK UPDATA HDATA CMUTECHSDARDDABU5VBU5VDSI EJECT G EJECT R/GCD/MDFMAMBU5VPRE MUTEPMUTEPSTBYMUTEBEEPAUX SWCD-AUXE-VOL OUT LEVELA8VIFC OUTSW5VA8VSCLQUALAFSSERVOBU5VRchLchA8VCD5VA8VA8VREQ HRSTREQ CCH CONCLKA8V
7、A8V+B-BBACK UPBU5VBU5VMC REQSC CONFL+BREDSI2SI1CLKGREENKS1-KS4KR1-KR5F01-F06WAVEP5VMC CLKSC REQP RSTMC DATAGCPLATP5VREMOFL+BFACBKP5V A8V+B-BSERVOFACFL+BMI-COMCD5VMI-COMSW5VMI-COMBU5VP5VMI-COM613mV274mV2005mV3795mV1.8V PRE896mV1695mVKDC-X659 (K)4.5V PREAUXCHANGER4.5V PRECD/MDCHANGERAMFMAUX896mV274mV1
8、695mV2005mV613mV3795mV1.8V PRE 1.8V PRE3717mV1964mVCD/MDCHANGERFMAMAUX 4469mV722mV2361mV4.5V PRE600mVQUALES OUT LEVEL PRE OUT LEVELM RSTSW1SW2SW4SW3LO/EJM STOPM SWMUTE RMUTE LKDC-MP819 (K)KDC-Z838 (M)KDC-MP819 (K)KDC-Z838 (M)KDC-X659 (K)KDC-Z838 (M)KDC-X659 (K)KDC-MP819 (K)251mV (M)TYPE470mV (K)TYPE
9、215mV1200mV1200mVKDC-MP819/X659/Z8383l SWITCH UNIT (X16-168X-XX)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 TAR5S33 FL AVR +3.3V OutputIC2 TC74HC4050AFT Buffer For FL control lines, 5V 3.3V logic level shiftingIC3 RS-171 Remote sensor ICIC4 BA3830F BPF IC BPF for
10、 the spectrum analyser indicatorIC5 UPD703032GFA04 Panel MI-COM.Q1 DTA144EUA or UN5113FL+B SWFL & Illumination +B ON/OFF control. When Q2s base goes Hi, Q1 isturned on, and FL+B(45V) line is supplied to the FL indicator andQ2 DTC114YUA or UN5214the key illumination circuit.Q3 DTA114EUA or UN5111 REM
11、O SWWhen a base goes Lo, Q3 is turned on, and PAN5V line is supplied toIC3 and IC4.Q4 DTC114EUA or UN5211 FL blanking SW When a base goes Hi, Q4 is turned on, and FL indicator is lit.Q6 DTC114YK or UN2214 SRC key illumination SW When a base goes Hi, Q6 is turned on, and SRC illumination is lit.Q7 2S
12、C4081 V-I converter Current driver for green LEDsQ8 2SC4081 V-I converter Current driver for red LEDsQ9 DTA114EUA or UN5111 Key illumination Red SW When a base goes Lo, Q9 is turned on, and key illumination Red is lit.Q10 DTA114EUA or UN5111 Key illumination Green SW When a base goes Lo, Q10 is turn
13、ed on, and key illumination Green is lit.COMPONENT DESCRIPTIONl ELECTRIC UNIT (X25-9240-XX)Ref.No. Component Name Application/Function Operation/Condition/CompatibilityIC1 UPD703033GFA17 System MI-COM.IC2 TDA7407 E-VOL.& N.C. MPXIC3 M5237ML AVR IC IC is combined with Q4, and it works as the error de
14、tection, the Q4s driver.IC4 TDA7560 Power ICIC5 TDA7401High pass filter &HPF(Front/Rear output), LPF, Non-Fader switching and volume functionNon-Fader volumeIC6 ICL7660SIBA DC/DC converter -9V AVR for pre-output amplifierIC7 TC74HC02AF Mute logic 2-input NOR x 4IC8 NJM4565M-TE2 Op. amp. Amplifier fo
15、r the spectrum analyser and generation of Vref. (1/2Vcc) voltageIC10 NJM4565M-TE2 Op. amp. Amplifier for the front pre-outputsIC11 NJM4565M-TE2 Op. amp. Amplifier for the non-fader pre-outputsIC12 NJM4565M-TE2 Op. amp. Amplifier for the rear pre-outputsIC16 S-80837ANNP Reset IC When BU 5V voltage is
16、 less than 3.7V, IC outputs Lo.IC20 BA3121F Isolation amplifier AUX inputs isolation amplifierIC21 BA3129F Switched op.amp. Input switching with AUX inputs and CD inputsIC23 SI-8050JD MECHA. AVR DC/DC converter, +5V output for CD mechanism adapted for MP3IC25 BR24C02F-W EEPROMQ1 2SD2375 CD servo AVR
17、 AVR for CD mechanism servo operation, +7.5V output.Q3 2SA1037K SW 5VWhile a base goes Lo, SW 5V is supplied to the microprocessorperipheral circuits.Q4 2SA2057 A.+8V AVR Q4 is combined with IC3, and it works as the power supply of +8.0V output.Q5 DTC144EUA or UN5213A.+8V AVR SW When Q5s base goes H
18、i, Q6 is turned on, and A.+8V AVR is working.Q6 DTA124EUA or UN5112Q7 DTA124EUA or UN5112SW14VWhen Q8s base goes Hi, Q7 is turned on, and A.+8V AVR, CD servoQ8 DTC124EUA or UN5212 AVR and A.+10V AVR are working.Q9 2SB1427 PAN5V SWFor PAN5V on/off switching. When a base goes Lo with panel attachedto
19、the set, Q9 is turned on, and PAN5V is supplied to the panel.Q10 2SA2057FL/Illumination AVR When Q11s base goes Hi, AVR outputs +9V.Q11 2SC4081Q12 DTC124EUA or UN5212FL/Illumination AVR SWWhen Q12s base goes Hi, Q13 is turned on, and FL/Illumination AVRQ13 DTA124EUA or UN5112 is working.Q14 DTA123JK
20、 or KRA105S EXT. AMP CON. SW When a base goes Lo, Q14 is turned on, and control pulse signal is outputted.Q15 DTC144EUA or UN5213 Dimmer detection SW When vehicle small lamps turn on, Q15s base goes Hi, and it is turned on.Q16 2SB1443A.+10V AVR When Q17s base goes Hi, AVR outputs +10V.Q17 2SC4081KDC
21、-MP819/X659/Z8384Ref.No. Component Name Application/Function Operation/Condition/CompatibilityCOMPONENT DESCRIPTIONQ18 2SA1576AQ18 and Q20 work as a differential amplifier, Q19 works as a driver,Q19 2SC4081 PRE-AMP -9V AVRand -9.3V is supplied to OP AMP.Q20 2SA1576AQ21 2SC4081Q21and Q22 work as a di
22、fferential amplifier, Q23 works as a driver,Q22 2SC4081 PRE-AMP +9V AVRand +9.7V is supplied to OP AMP.Q23 2SA1576AQ26 2SB1277(Q,R)P-CON SWWhen Q29s base goes Hi, Q26 is turned on, and P-CON signal is outputted.Q29 DTC114YUA or UN5214 Works during POWER ON mode.Q27 2SA1576A P-CON. protection SW Prot
23、ect Q26 by turning ON when P-CON output is grounded.Q28 DTA124EUA or UN5112 P-CON. protection inhibit SW Prevents Q27 tuning ON during start-up after power ON.While BACKUP is applied, a base goes Hi, and Q30 is turned on.Q30 2SC4081 BU detection SW When momentary power down has detected, a base goes
24、 Lo, andQ30 is turned off.Q31 2SC4081 ACC detection SW While ACC is applied, a base goes Hi, and Q31 is turned on.Q32 DTA124EUA or UN5112 Mute driver for R Ch. When BU detection SW or System RESET or MI-COM.s MUTE isQ33 DTA124EUA or UN5112 Mute driver for L Ch. working, a base goes Lo, and Q32 and Q
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