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KDC-W6027 Dataheets PDF



Part Number KDC-W6027
Manufacturers Kenwood
Logo Kenwood
Description (KDC-MP425/MP6026/W6027) Service Manual
Datasheet KDC-W6027 DatasheetKDC-W6027 Datasheet (PDF)

www.DataSheet4U.com CD RECEIVER KDC-MP425/MP6026 /W6027/W6027Y SERVICE MANUAL KDC-MP425 Panel assy (A64-3187-12) © 2003-12 PRINTED IN JAPAN B53-0116-00 (N) 2704 CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 KDC-MP6026 Panel assy (A64-3194-12) DataShee KDC-W6027 /W6027Y Panel assy (A64-3197-12) DataSheet4U.com Plastic cabinet assy (A02-1486-13) Mounting hardware assy (J22-0011-03) Lever (D10-4589-04) x2 DC cord (E30-6295-05) DC cord (E30-4958-05) Escutcheon (B07-3098-02):KDC-MP425 .

  KDC-W6027   KDC-W6027


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www.DataSheet4U.com CD RECEIVER KDC-MP425/MP6026 /W6027/W6027Y SERVICE MANUAL KDC-MP425 Panel assy (A64-3187-12) © 2003-12 PRINTED IN JAPAN B53-0116-00 (N) 2704 CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 KDC-MP6026 Panel assy (A64-3194-12) DataShee KDC-W6027 /W6027Y Panel assy (A64-3197-12) DataSheet4U.com Plastic cabinet assy (A02-1486-13) Mounting hardware assy (J22-0011-03) Lever (D10-4589-04) x2 DC cord (E30-6295-05) DC cord (E30-4958-05) Escutcheon (B07-3098-02):KDC-MP425 (B07-3083-02):Others Screw set (N99-1719-05) Screw set (N99-1730-15) Remote controller assy (RC-505) (A70-2040-05) Size AA battery (Not suplied) Antenna adaptor (T90-0523-05) TDF PANEL INFORMATION DataSheet4U.com Depends on the model. Refer to the parts list. MODEL TDF PANEL No. TDF NAME TDF-44D TDF-MP6026 TDF-W6027 KDC-MP425 Y33-1920-61 KDC-MP6026 Y33-1920-64 KDC-W6027/W6027Y Y33-1920-65 DataSheet 4 U .com et4U.com DataSheet4U.com S-METER R DATA R CLK QUAL NOISE BU5V PANEL DET L DATAS L CLK L CE L DATAL V DATA V CLK O-DATA O-CLK O-CE EJECT DSI REMO VOL A VOL B DataSheet 4 U .com www.DataSheet4U.com KDC-MP425/MP6026 KDC-W6027/W6027Y AUX 2 A8V AUX IN PRE OUT (REAR/NF) PRE OUT (REAR) 3PRE PRE OUT (FRONT) IC4 IC6 MUTE DRIVER BU5V MODE CD,MP3 FM AM CH K,M-TYPE 3600mV 1800mV 600mV 3600mV E-TYPE 3600mV 1372mV 855mV 3600mV IC2 FM AM AM+B SW5V A8V MP IN LEVEL E-VOL CD CH SW5V AFS QUAL FREE PRE MUTE TUNER & MPX REAR PRE MUTE AUDIO OUT Q101 BUFFER S-METER IC7 RDS DECODER Q201 BUFFER FRONT PRE MUTE PLL-DATA PLL-CLK IFC OUT IC1 PRE MUTE MUTE P-MUTE SW5V BEEP EXT.AMP.CON POWER IC BACK UP SP OUT THERMAL PROTECT BLOCK DIAGRAM CD MS DATA MS CLK SW1 SW2 SW3 SW4 M MUTE R M MUTE L M RST M STOP LO/EJ MOSW SERVO+B A8V BU5V CD MECHA+B EXT AMP DIMMER TEL MUTE ACC DET B.U DET SURGE DET Q21 SERVO+B CD MECHA+B SERVO IC9 SW REG SW 14V BACK UP EXT.AMP.CON DIMMER TEL MUTE ACC BACK UP DataSheet4U.com DIMMER SYSTEM MICROPROCESSOR PHONE ACC DET B.U DET PS1-0 PS1-1 PS1-2 PS2-0 PS2-2 RST CH REQ C CH CLK DATA H CH-CON REQ H DATA C CH RST CH MUTE BACK UP WIRED REMO/ OPEL DISP I/F IC8 RESET BU5V PANEL DET S1 EJECT SW IC1 LCD DRIVER WITH KEY MATRIX DA CONVERTER (V-ILL ONLY) REMOCON IC2 S1 ROTARY ENCODER LCD RESET SW IC3 AM+B FM+B A8V ILLUMI BU5V POWER SUPPLY IC Q4 ANT CON P CON DAUGHTER UNIT (X89- ) DSI EJECT ILLUMI Q152 PANEL 5V BU5V SW 5V SW5V SWITCH UNIT (X16- ) DataShee www.DataSheet4U.com KDC-MP425/MP6026 KDC-W6027/W6027Y DISASSEMBLY FOR REPAIR How to Disassemble (PANEL ASSY) 1) Remove four screws (A). 2) While holding the section (B) indicated with arrows, pull and remove PANEL ASSY. How to install knob (SRC) 1) Place knob (F) and knob (G) in the positions indicated in the diagram below. 2) While keeping these positions, use a piece of adhesive tape (H) to hold knobs in position, as shown in the diagarma. A x2 3) Set the rotary (J) position as shown in the diagram. 4) While keeping the letters “SRC” horizontally in position, set it to the rotary on the panel. 5) Remove the adhesive tape (H). A x2 F G H B B et4U.com DataShee DataSheet4U.com B B J 3) Pull SWITCH UNIT (C) as indicated in the diagram and remove knob (D). (The knob (D) is attached to the rotary with hook (E) and it is not possible to remove hook (D) only.) D E C DataSheet4U.com 3 DataSheet 4 U .com www.DataSheet4U.com KDC-MP425/MP6026 KDC-W6027/W6027Y COMPONENTS DESCRIPTION ● SWITCH UNIT (X16-2490-10) Ref. No. IC1 IC2 Q2 Q3 Q4 Q5 Application / Function LCD Driver Remote Control IC REMO ON SW Key Illumination SW (Green) Key Illumination SW (Red) Dimmer Control Drives LCD Controls the unit The power supply of IC2 is turned on when base level goes “L” Lights Green key-illumination when base level goes “H” Lights Red key-illumination when base level goes “H” Lights LCD Back Light when base level goes “H” Operation / Condition / Compatibility ● ELECTRIC UNIT (X34-308x-xx) Ref. No. IC1 IC2 Application / Function System µ-COM E.Vol & N.C.MPX Operation / Condition / Compatibility Controls FM/AM tuner, the changer, CD mechanism, Panel, volume and tone. Controls the source, volume, tone and FM multiplex detector. Bu5V (5V), Audio8V (8V), FM+B (8V), AM+B (8V), P-CON, ANT-CON SW1 1.5~3.0 3.5~5.0 IC3 Power Supply IC 7.0~ SW2 Audio ON Audio P-CON ON Audio P-CON, P-ANT ON OUT OUT et4U.com DataShee DataSheet4U.com ILL FM ON ILL AM ON 2.0~3.0 4.0~ IC4 IC6 IC7 IC8 IC9 Q1 Power IC Muting logic IC RDS decoder Reset IC SW Regulator Serge Detection Amplifies the front L/R and the rear L/R to 50W maximum. Controls logic for muting. “L” when detection voltage goes below 3.6V or less. Power Supply for MP3 “L” when the back-up voltage becomes more than 24V (momentary power down). “H” when the back-up voltage becomes less than 24V. “L” when B.u is present. Q2 Q3 Q4 Q21 Q22 Q23 Q31 Q41 Q101 BACK-UP Detection “H” when B.u is absent or momentary power down is detected. ACC Detection SW 5V Servo Regulator Servo SW Control P.


KDC-MP425 KDC-W6027 SRF1660C


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