Kenwood KDC-2020_3020_4020_Service_Manual free download

File name KDC-2020,KDC-3020,KDC-4020.pdf

CD RECEIVER KDC-2019/2019V/217/217S /219/29MR /2020/3020/4020 SERVICE MANUAL The CD mechanism infomation is not in this sarvice manual. Please, refer to sarvice manual X92-4030-0x (B51-7867-00). Panel assy (A64-2544-02): KDC-219 (A64-2545-02): KDC-2019 (A64-2546-02): KDC-29MR (A64-2547-02): KDC-2020 (A64-2548-02): KDC-4020 (A64-2680-02): KDC-3020 (A64-2711-02): KDC-2019V © 2001-12 PRINTED IN JAPAN B51-7874-00 (N) 1754 CD mechanism extension cord : W05-0618-00 Escutcheon (B07-3054-02): KDC-2019/2019V KDC-219/2020 (B07-3055-02): KDC-29MR KDC-3020/4020 KDC-XXXX COMPACT DIGITAL AUDIO CD MD-Changer Control 50Wx4 CRSC LOUD SCAN RDM REP M. RDM CLK ADJ AUTO AME OFF AUD Panel assy (A64-2566-02): KDC-217 (A64-2695-02): KDC-217S Escutcheon (B07-3054-02): KDC-217/217S KDC-XXXX COMPACT DIGITAL AUDIO 45Wx4 CRSC LOUD SCAN RDM REP CLK ADJ AUTO AME OFF AUD DC cord (E30-4783-05) (E30-4784-05) Plastic cabinet assy (A02-1486-13) Remote controller assy (A70-2024-05) Stay (J54-0606-04) Mounting hardware assy (J21-9641-13) Lever (D10-4589-04)x2 Screw set (N99-1719-05) Screw set (N99-1610-15) Depends on the model. Refer to the parts list. PLL-DATA PLL-CLK PLL-CE SD S-METER LO/DX NOISE AFS SDA SCL PANEL DATAS CLK CE DATAL RES REMO DSI 2 A8V TUNER FM+B AM+B SW5V FM DET OUT AM DET OUT J: 382mV K: 382mV E: 203mV 170mV 1200mV 1200mV REQUEST PLL-DATA PLL-CLK PLL-CE LO/DX S-METER SD NOISE DET LEVEL KDC-2019/V/217/S/219/29MR /2020/3020/4020 IC2 FM AM CD CH AFS PRE MUTE IC4 E-VOL & MPX FM (J) (K) (E) AM (J) (K) (E) CD.CH : 1700mV : 1605mV : 1276mV : 561mV : 561mV : 792mV : 3529mV PRE OUT POWER IC SP-OUT MUTE CD BLOCK DIAGRAM SERVO A8V BU5V MSCLK MSDA SW1 SW2 SW3 M MUTE RST STOP LO/EJ MO SW IC12 SDA SCL E2PROM SW5V IC1 MUTE TEL-MUTE ACC DET. TEL-MUTE ACC CH RST REQ C CLK DATA H CH-CON REQ H DATA C MUTE BU DET. BU5V u-COM PA DET BACK-UP ANT-CON DET. P-CON DET. ANT-CONT P-CON PC DET EN1 EN2 EN3 IC7 POWER SUPPLY P-CON P.ANT FM+B VP2 AM+B AUDIO ILLUM BACK UP BU5V DSI BU5V PAN DET. MARINE CN. SERVO SW14V IC1 LCD DRIVER With KEY MATRIX PAN5V PAN5V IC2 REMOTE CONTROL SW5V ILLUM SW SW5V BU5V SW1 SW2 LCD KDC-2019/V/217/S/219/29MR /2020/3020/4020 MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER µPD780058GC-XXX (IC1 : X25) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23~26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45,46 47~49 50 51,52 53 Pin Name PANEL 8EJE SW *1 NC AVss L-RST L-CE AVREF1 NC PLL-DATA PLL-CLK L-DATAL L-DATAS L-CLK R-DATA R-QUAL CH-DATAC CH-DATAH CH-CLK CH-REQH PLL-CE AFS LO/DX NC SD CH-CONT TYPE REF TYPE2 TYPE1 TYPE0 Vss1 IC2TYPE1 IC2TYPE0 DATA CLK MUTE P-MUTE SVR P-STBY SW5V B.U-DET ACC-DET NC PS1-0~PS1-2 BEEP PS2-0,PS2-1 DSI I/O I I O O O I I I/O O I O O I I I O I/O O O O O O I O O I I I I I I/O O O O O O O I I O O O O O Panel detection 8 cm disk eject end detection switch Not used GND potential (for A/D and D/A) LCD driver reset LCD driver chip enable 5V