Kenwood-KDCX-969-Service-Manual(2) 电路图 维修手册.pdf
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1、KDC-9023R KDC-PSW9524 KDC-X969 SERVICE MANUAL 2003-2 PRINTED IN JAPAN B53-0031-00 (N) 3379 CD RECEIVER s504W DIGITAL AUDIO COMPACT s504W DIGITAL AUDIO COMPACT Panel assy (A64-2975-01): KDC-X969 Escutcheon (B07-3079-01) Panel assy (A64-2993-02): KDC-X969 Panel assy (A64-2982-01): KDC-9023R, (A64-2984
2、-01):KDC-PSW9524 Panel assy (A64-3002-02): KDC-9023R/PSW9524 Escutcheon (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- 4030-0 x (B51-7867-00). Mounting hardware assy (J21-9823-03) DC cord (
3、ISO) (E30-4942-05) : KDC-9023R/PSW9524 Remote controller assy (RC-505) (A70-2040-05) : KDC-X969 DC cord (E30-6062-05) : KDC-X969 Lever (D10-4674-04) x 2 Plastic cabinet assy (A02-2731-03) Remote controller assy (RC-420) (A70-2026-05) : KDC-9023R/PSW9524 Screw set (N99-1723-05) : KDC-X969/9023R Screw
4、 set (N99-1734-05) Antenna adaptor (T90-0552-05) : KDC-9023R/PSW9524 Size AA battery (Not supplied) Escutcheon (B07-3079-01) RadioFans.CN 收音机爱 好者资料库 3 HOW TO THE PANEL MECHANISM ASSEMBLY 1. Fixed the position of operation side (Fixed the horizontal position when the panel opened) q The mounting hard
5、ware (281) of operation side is rota- tion (A) into the stop position with close side. w As figure (B) line is just above and the gear (230) at- tached to pin. B A Rotary to the stop position 281 230 This line attached just above Fig. B (This figure from look at B arrow) C 284 702 SW D E F 702 SW 28
6、4 2. The slider assembly insert to bottom chassis q The bracket for display panel (284) is leave down, in- sert to the chassis (702). (C) w The slider assembly insert to the chassis (702) after that shift (D) direction. e The bracket for display panel (284) is raised (E) direc- tion. r Keep the rais
7、ing conditions, the slider assembly is shift (F) direction. (Note) Do not bend the knob of chassis detection switch when the slider assembly insert. KDC-9023R /PSW9524/X969 RadioFans.CN 收音机爱 好者资料库 KDC-9023R /PSW9524/X969 3 BLOCK DIAGRAM TUNER CD CH UNIT MECHA PANEL TDF UNIT SWITCH UNIT DISPLAY (X16-
8、208) (X16-210) (X16-217) (X25-964) BUFFER RDS DECODER BUFFER REMO RESET SW KEY MATRIX FL u-COM MPX E-VOL & ACC DET TEL MUTE B.U DET SYSTEM DRIVER MUTE POWER IC ACC TEL MUTE BACK UP SP OUT (FL) RESET KEY ILL IC14 IC2 IC1 IC4 IC8 IC9 Q303,304 AM+B AGC ES+ PRE MUTE PRE MUTE PRE MUTE PRE OUT (FRONT) PRE
9、 OUT (REAR) (NF) PRE OUT AUX IN OP AMP OP AMP OP AMP SP OUT (FR) SP OUT (RL) SP OUT (RR) EXT AMP DIMMERDIMMER EXT.AMP.CON ANT-CONANT CON P-CONP CON WIRED REMO/ OPEL DISP I/F FOCUS SW WOW IC5 IC20 IC6 IC9 IC13 IC12 IC11 Q207,208 Q205,206 Q203,204 BU5V SW 5V SW 14V 5V SERVO FL+B SW REG A8V PANEL Q1,2
10、Q3,601 Q502,503 Q4,5 Q6-8 Q9,602 BU5V SW5V PANEL5V SW14V DC/DCA8V SERVO CD4.7V IC16 MOTOR DRDR MOTOR IC15 DC/DC ROTARY ENCODER IC7 LEVEL SHIFT LEVEL SHIFT IC8 u-COM IC11 IC2 IC3 MASK ROM SRAM MEMORY FLASH IC4 BPF PANEL SW5V IC6 3.3V SW3.3V Q5 FL+B Q4 FL3.3V Q2,3 EEPROM EEP5V Q501 IC1 Q23,24 Q26 Q25
11、IC18 Q27 Q29 IC10 Q6,10 Q11-14 IC19 S-METER AUDIO OUT SERVO 8V BU5V CD4.7V BACK UP FM AM CD QUAL CH PANEL5 KEY BU5V 8V SW5V 8V8V SW5V BPF 8V 8V 9V 9V 9V 8V 9V SW5V FL+B FAC AGC 8V 8V BU5V BU5V BU5V SERVO RadioFans.CN 收音机爱 好者资料库 4 KDC-9023R /PSW9524/X969 BLOCK DIAGRAM 16.93MHz PICK-UP (X32-5440-00) B
12、OARD MOTHER EF A B C TR COIL FO COIL APC 1 CHIP IC SERVO MP3 DECODER RF AMP IC11 Q4 16.93MHz CLOCK X1 D. GND IC4 PROCESSOR S. GND LPF IC2 IC13 DRAM D. GND IC7 u-COM IC6 A3.3 REG 8V SW Q1 Q3 SW Q5 SW Q2 SW IC6 D3.3V D. GND A. GND D. GND S3 S4 S1 S2 D. GND (0-01) ONLY A. GND A. GND MOTOR DRIVER MOTOR
13、SPINDLE LOADING & SLED MOTOR 24.57MHz CLOCK X3 IC9 WMA DECODER D. GND IC5 2.5V REG REG CLOCK 16.00MHz X2 7 VREF 30 9 PON PON Lch Rch A. GND A. +8V D. GND BU. +5V D4.7V LOE/LIM SW 8EJE SW 12EJE SW LOS SW S7.5V LO/EJ MOTOR S. GND 916 SW5V G SUB-CIRCUIT UNIT (X16-2080-10) Ref. No.Application/FunctionOp
14、eration/Condition/Compatibility IC1E2PROMFor security G SUB-CIRCUIT UNIT (X16-2100-10) Ref. No.Application/FunctionOperation/Condition/Compatibility IC2ROM IC IC3SRAM IC IC4Flash ROM ICFor Display customize IC5Logic ICFor Write and Read to IC3 IC63.3V regulatorThe power supply for 3.3V IC7Buffer ICI
15、t is change into 3.3V from 5V IC8Buffer ICIt is change into 5V from 3.3V IC9Remote control IC IC10Spectrum analyzer IC IC11Panel -com Q13.3V regulatorWhile PAN 5V is applied, 3.3V regulator outputs +3.3V. COMPONENTS DESCRIPTION KDC-9023R /PSW9524/X969 5 Ref. No.Application/FunctionOperation/Conditio
16、n/Compatibility Q2, 3FL+B SWFL+B (VDD2) is turned on when Q3s base level goes “H” Q4FL3.3V SWFL+3.3V (VDD1) is turned on when Q4s base level goes “H” Q53.3V SWSW3.3V is turned on when Q5s base level goes “H” Q6, 10REMO ON SWThe power supply of IC9, 10 is turned on when Q10s base level goes “L” Q7FL
17、BLK SWVFD is turned on when Q7s base level goes “H” Q8Blue LED SWBlue LED is turned on when Q8s base level goes “H” G SWITCH UNIT (X16-2170-10) Ref. No.Application/FunctionOperation/Condition/Compatibility Q1DSI (Disabled System Indicator)DSI blinks when the base goes “H/L” Q2KEY illumination SW (GR
18、EEN)ON (KEY illumination green) when the base goes “H” Q3KEY illumination SW (RED)ON (KEY illumination red) when the base goes “H” G ELECTRIC UNIT (X25-964x-xx) Ref. No.Application/FunctionOperation/Condition/Compatibility IC1System -com IC2E-vol & N.C. & MPX IC3Regulator IC for A8V IC4Power IC IC5S
19、ystem Es IC IC6Audio IC (WOW) IC7-9V AVR (DC/DC IC) for 4.5V Pre-out IC8Reset IC IC9Logic IC for muting IC10Buffer for S.A IC1113AMP for 4.5V Pre-out IC14RDS dcoder IC IC15, 16Motor driver IC for panel mechanism IC17ROM ICFor ROM correction. IC18P-CON IC IC19Swiching regulator IC for CD4.7V IC20Anal
20、og SW for swiching IC6focus Q1, 2B.U.5V AVRWhile BU is applied, BU5V AVR outputs +5V. Q3, 601SW5VWhen Q601base goes Hi, SW5V outputs +5V. Q4, 5SW14VWhen Q5base goes Hi, SW14V outputs 14V. Q68AUDIO 8V AVRWhen Q6base goes Hi, A8V AVR outputs 8.3V. Q9, 602SERVO+B AVRWhen Q602base goes Hi, S+B AVR outpu
21、ts 7.5V. Q1114ILL&DC/DC+B AVRWhen Q11base goes Hi, AVR outputs 9.2V. Q15, 16AUDIO 10.5V AVRWhen Q16base goes Hi, AVR outputs 10.5V. Q1719Pre-Amp -9V AVR Q18 and 19 works as a differential amplifier, Q17 works as a driver and -9.1V is supplied to OP amp for Pre-out. COMPONENTS DESCRIPTION 6 KDC-9023R
22、 /PSW9524/X969 Ref. No.Application/FunctionOperation/Condition/Compatibility Q2022Pre-Amp +9V AVR Q20 and 22 works as a differential amplifier, Q21 works as a driver and +9.4V is supplied to OP amp for Pre-out. Q23, 24P-ANT SWWhen Q23base goes Hi, P-ANT SW outputs 14V. Q25Ex amp control buffer Q26Sm
23、all lamp det SWWhen Q26base goes Hi, Q26 is turned on. Q27BU detWhen Q27base gose Hi, Q27 is turned on. Q29ACC detWhen Q29base gose Hi, Q29 is turned on. Q30, 31Mute driverWhen a base gose Lo, mute driver is turned on. Q201Noise buffer Q202E-vol mute SWWhen a base gose Hi, mute SW is turned on. Q203
24、208Pre-out mute SWWhen a base gose Hi, Pre-out is muted. Q210AGC for SA Q303, 304AM+B SWWhen Q303base gose Hi, AM+B is out. Q305Composite signal buffer for RDS Q501E2P 5V SWWhen Q501base gose Lo, E2P 5V is out. Q502, 503PANEL 5V SWWhen Q503base gose Hi, PANEL 5V is out. Q603SW for IC20When Q603base
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