Kenwood-KDCX-969-Service-Manual电路原理图.pdf
《Kenwood-KDCX-969-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Kenwood-KDCX-969-Service-Manual电路原理图.pdf(48页珍藏版)》请在收音机爱好者资料库上搜索。
1、KDC-9023RKDC-PSW9524KDC-X969SERVICE MANUAL 2003-2 PRINTED IN JAPANB53-0031-00 (N)3379CD RECEIVERs 50 4WDIGITAL AUDIOCOMPACTs 50 4WDIGITAL AUDIOCOMPACTPanel assy(A64-2975-01): KDC-X969Escutcheon(B07-3079-01)Panel assy(A64-2993-02): KDC-X969Panel assy(A64-2982-01): KDC-9023R, (A64-2984-01):KDC-PSW9524
2、Panel assy(A64-3002-02): KDC-9023R/PSW9524Escutcheon(B07-3079-01)CD mechanism extension cord : W05-0935-00CD mechanism operation description is not in this service manual.Please, refer to service manual X92-4030-0x (B51-7867-00).Mounting hardware assy(J21-9823-03)DC cord (ISO)(E30-4942-05) : KDC-902
3、3R/PSW9524Remote controller assy(RC-505)(A70-2040-05) : KDC-X969DC cord(E30-6062-05) : KDC-X969Lever(D10-4674-04) x 2Plastic cabinet assy(A02-2731-03)Remote controller assy(RC-420)(A70-2026-05) : KDC-9023R/PSW9524Screw set(N99-1723-05) : KDC-X969/9023RScrew set(N99-1734-05)Antenna adaptor(T90-0552-0
4、5) : KDC-9023R/PSW9524Size AA battery(Not supplied)Escutcheon(B07-3079-01)3HOW TO THE PANEL MECHANISM ASSEMBLY1. Fixed the position of operation side(Fixed the horizontal position when the panel opened)q The mounting hardware (281) of operation side is rota-tion (A) into the stop position with close
5、 side.w As figure (B) line is just above and the gear (230) at-tached to pin.BARotary to the stop position281230This line attached just aboveFig. B(This figure from look at B arrow)C284702SWDEF702SW2842. The slider assembly insert to bottom chassisq The bracket for display panel (284) is leave down,
6、 in-sert to the chassis (702). (C)w The slider assembly insert to the chassis (702) afterthat shift (D) direction.e The bracket for display panel (284) is raised (E) direc-tion.r Keep the raising conditions, the slider assembly is shift(F) direction.(Note) Do not bend the knob of chassis detection s
7、witchwhen the slider assembly insert.KDC-9023R/PSW9524/X969KDC-9023R/PSW9524/X9693BLOCK DIAGRAMTUNERCDCHUNITMECHAPANELTDF UNITSWITCH UNITDISPLAY(X16-208)(X16-210)(X16-217)(X25-964)BUFFERRDSDECODERBUFFERREMORESET SWKEY MATRIXFLu-COMMPXE-VOL&ACC DETTEL MUTEB.U DETSYSTEMDRIVERMUTEPOWERICACCTEL MUTEBACK
8、 UPSP OUT (FL)RESETKEY ILLIC14IC2IC1IC4IC8IC9Q303,304AM+BAGCES+PRE MUTEPRE MUTEPRE MUTEPRE OUT(FRONT)PRE OUT(REAR)(NF)PRE OUTAUX INOP AMPOP AMPOP AMPSP OUT (FR)SP OUT (RL)SP OUT (RR)EXT AMPDIMMER DIMMEREXT.AMP.CONANT-CON ANT CONP-CON P CONWIRED REMO/OPEL DISP I/FFOCUSSWWOWIC5IC20IC6IC9IC13IC12IC11Q2
9、07,208Q205,206Q203,204BU5VSW 5VSW 14V5VSERVOFL+BSW REGA8VPANELQ1,2Q3,601Q502,503Q4,5Q6-8Q9,602BU5VSW5VPANEL5VSW14VDC/DC A8VSERVOCD4.7VIC16MOTORDRDRMOTORIC15DC/DCROTARYENCODERIC7LEVELSHIFTLEVELSHIFTIC8u-COMIC11IC2IC3MASKROMSRAMMEMORYFLASHIC4BPFPANELSW5VIC63.3VSW3.3VQ5FL+BQ4FL3.3VQ2,3EEPROMEEP5VQ501IC
10、1Q23,24Q26Q25IC18Q27Q29IC10Q6,10Q11-14IC19S-METERAUDIO OUTSERVO8VBU5VCD4.7VBACK UPFMAMCDQUALCHPANEL5KEYBU5V8VSW5V8V 8VSW5VBPF8V8V9V9V9V8V9VSW5VFL+BFACAGC8V8VBU5VBU5VBU5VSERVO4KDC-9023R/PSW9524/X969BLOCK DIAGRAM16.93MHzPICK-UP(X32-5440-00)BOARDMOTHEREFABCTR COILFO COILAPC1 CHIP ICSERVOMP3 DECODERRF A
11、MPIC11Q416.93MHzCLOCKX1D. GNDIC4PROCESSORS. GNDLPFIC2IC13DRAMD. GNDIC7u-COMIC6A3.3 REG8V SWQ1Q3SWQ5SWQ2SWIC6D3.3VD. GNDA. GNDD. GNDS3S4S1S2D. GND(0-01)ONLYA. GNDA. GNDMOTORDRIVERMOTORSPINDLELOADING &SLED MOTOR24.57MHzCLOCKX3IC9WMA DECODERD. GNDIC52.5VREGREGCLOCK16.00MHzX27VREF309PONPONLchRchA. GNDA.
12、 +8VD. GNDBU. +5VD4.7VLOE/LIM SW8EJE SW12EJE SWLOS SWS7.5VLO/EJMOTORS. GND916SW5Va71 SUB-CIRCUIT UNIT (X16-2080-10)Ref. No. Application/Function Operation/Condition/CompatibilityIC1 E2PROM For securitya71 SUB-CIRCUIT UNIT (X16-2100-10)Ref. No. Application/Function Operation/Condition/CompatibilityIC
13、2 ROM ICIC3 SRAM ICIC4 Flash ROM IC For Display customizeIC5 Logic IC For Write and Read to IC3IC6 3.3V regulator The power supply for 3.3VIC7 Buffer IC It is change into 3.3V from 5VIC8 Buffer IC It is change into 5V from 3.3VIC9 Remote control ICIC10 Spectrum analyzer ICIC11 Panel -comQ1 3.3V regu
14、lator While PAN 5V is applied, 3.3V regulator outputs +3.3V.COMPONENTS DESCRIPTIONKDC-9023R/PSW9524/X9695Ref. No. Application/Function Operation/Condition/CompatibilityQ2, 3 FL+B SW FL+B (VDD2) is turned on when Q3s base level goes “H”Q4 FL3.3V SW FL+3.3V (VDD1) is turned on when Q4s base level goes
15、 “H”Q5 3.3V SW SW3.3V is turned on when Q5s base level goes “H”Q6, 10 REMO ON SW The power supply of IC9, 10 is turned on when Q10s base level goes “L”Q7 FL BLK SW VFD is turned on when Q7s base level goes “H”Q8 Blue LED SW Blue LED is turned on when Q8s base level goes “H”a71 SWITCH UNIT (X16-2170-
16、10)Ref. No. Application/Function Operation/Condition/CompatibilityQ1 DSI (Disabled System Indicator) DSI blinks when the base goes “H/L”Q2 KEY illumination SW (GREEN) ON (KEY illumination green) when the base goes “H”Q3 KEY illumination SW (RED) ON (KEY illumination red) when the base goes “H”a71 EL
17、ECTRIC UNIT (X25-964x-xx)Ref. No. Application/Function Operation/Condition/CompatibilityIC1 System -comIC2 E-vol & N.C. & MPXIC3 Regulator IC for A8VIC4 Power ICIC5 System Es ICIC6 Audio IC (WOW)IC7 -9V AVR (DC/DC IC) for 4.5V Pre-outIC8 Reset ICIC9 Logic IC for mutingIC10 Buffer for S.AIC1113 AMP f
18、or 4.5V Pre-outIC14 RDS dcoder ICIC15, 16 Motor driver IC for panel mechanismIC17 ROM IC For ROM correction.IC18 P-CON ICIC19 Swiching regulator IC for CD4.7VIC20 Analog SW for swiching IC6focusQ1, 2 B.U.5V AVR While BU is applied, BU5V AVR outputs +5V.Q3, 601 SW5V When Q601base goes Hi, SW5V output
19、s +5V.Q4, 5 SW14V When Q5base goes Hi, SW14V outputs 14V.Q68 AUDIO 8V AVR When Q6base goes Hi, A8V AVR outputs 8.3V.Q9, 602 SERVO+B AVR When Q602base goes Hi, S+B AVR outputs 7.5V.Q1114 ILL&DC/DC+B AVR When Q11base goes Hi, AVR outputs 9.2V.Q15, 16 AUDIO 10.5V AVR When Q16base goes Hi, AVR outputs 1
20、0.5V.Q1719 Pre-Amp -9V AVRQ18 and 19 works as a differential amplifier, Q17 works as a driver and -9.1V is suppliedto OP amp for Pre-out.COMPONENTS DESCRIPTION6KDC-9023R/PSW9524/X969Ref. No. Application/Function Operation/Condition/CompatibilityQ2022 Pre-Amp +9V AVRQ20 and 22 works as a differential
21、 amplifier, Q21 works as a driver and +9.4V is suppliedto OP amp for Pre-out.Q23, 24 P-ANT SW When Q23base goes Hi, P-ANT SW outputs 14V.Q25 Ex amp control bufferQ26 Small lamp det SW When Q26base goes Hi, Q26 is turned on.Q27 BU det When Q27base gose Hi, Q27 is turned on.Q29 ACC det When Q29base go
22、se Hi, Q29 is turned on.Q30, 31 Mute driver When a base gose Lo, mute driver is turned on.Q201 Noise bufferQ202 E-vol mute SW When a base gose Hi, mute SW is turned on.Q203208 Pre-out mute SW When a base gose Hi, Pre-out is muted.Q210 AGC for SAQ303, 304 AM+B SW When Q303base gose Hi, AM+B is out.Q3
23、05 Composite signal buffer for RDSQ501 E2P 5V SW When Q501base gose Lo, E2P 5V is out.Q502, 503 PANEL 5V SW When Q503base gose Hi, PANEL 5V is out.Q603 SW for IC20 When Q603base gose Hi, Q603 is turned on.a71 CD PLAYER UNIT (X32-5440-00)Ref. No. Application/Function Operation/Condition/Compatibility
24、IC1 Audio 3.3V regulatorIC2 Audio LPFIC4 BTL driverIC5 2.5V regulatorIC6 3.3V regulatorIC7 Mechanism control -comIC8 Level shift (3.3V5V)IC9 WMA decoderIC10 WMA clock bufferIC11CD signal processor LSI+ RF amplifier + MP3 decoderIC12 WMA chip schmitt triggerIC13 Data buffer DRAMQ1 A.8V SW When Q3 is
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- KenwoodKDCX969ServiceManual 电路 原理图