Kenwood GX806EF2 Service Manual

Kenwood GX806EF2 Service Manual

Cd receiver
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CD RECEIVER
GX806EF2
SERVICE MANUAL
SUBARU GENUINE
T.I
BAND
DISP
Knob (VOL)
(K23-1085-04)
VOL ADJ
ON/VOL
PUSH
CD
BRIGHT
SCN
TUNE
LOCAL
AS
TRACK
RPT
T/B
RDM
TONE BAL
/
The 6CD mechanism has not supplied repair parts for each part
(for Optical Laser pickup, motor etc).
If you need repair to the 6CD mechanism please change to
mechanism assy (D40-1195-05).
Model
Model Name
GX806E
GX806EF2
Panel assy
Front glass
(A64-3275-22)
(B10-4537-13)
Knob (1.4)
Knob (2.5)
(K25-1629-03)
(K25-1630-03)
© 2004-7 CREATED IN JAPAN
B53-0186-00 ( N ) 0
Parts No.
Destination
86201SA200
Europe
DC cord for service : E30-3801-15
NEWS
REG
LOAD
COMPACT
DIGITAL AUDIO
Knob (3.6)
(K25-1631-03)

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Summary of Contents for Kenwood GX806EF2

  • Page 1 CD RECEIVER GX806EF2 SERVICE MANUAL © 2004-7 CREATED IN JAPAN B53-0186-00 ( N ) 0 SUBARU GENUINE Model Model Name Parts No. Destination GX806E GX806EF2 86201SA200 Europe DC cord for service : E30-3801-15 Knob (VOL) Panel assy Front glass (K23-1085-04)
  • Page 2: Block Diagram

    GX806EF2 BLOCK DIAGRAM POWER SIGNAL & CONTROL IC451 IC203 1ch P-AMP E VOL SUB WOOFER 13.2V 270mVrms IC11 FM MPX -10.0dB FM/AM 7BAND EQ FRONT-END +26.0dB Q653 WOOFER 215mVrms -3.8dB -4.5dB FM:+10.0dB IC101 AM:+9.0dB IC401 Q801 CD:0.0dB EXT CH:-1.0dB FRONT FRONT 0.0dB...
  • Page 3: Components Description

    GX806EF2 COMPONENTS DESCRIPTION Synthesizer Unit (X14-9382-70) Ref. No. Application / Function Operation / Condition / Compatibility A pair of ope amps RDS noise amplifier IC10 A pair of ope amps CD isolation amplifier IC11 AM noise canceller IC AM noise canceller...
  • Page 4: Switch Unit (X34-3142-70)

    GX806EF2 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q604 DC/DC switching DC/DC voltage detection Q605 Filament power supply switch Filament power supply driver Q606 Filament power supply switch Filament power supply darlington Q607 DC/DC power supply switch...
  • Page 5: Microcomputer's Terminal Description

    GX806EF2 MICROCOMPUTER’S TERMINAL DESCRIPTION Main Microcomputer : 703037HYGFM01 (X14-938 : IC801) Pin No. Pin Name Function Processing Operation Description SP_DATA_S Data output to panel microcomputer UART 19200bps R_DATA RDS data RDS data input PLL_SDA EEPROM data EEPROM data input/output PLL_SDA...
  • Page 6 GX806EF2 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation Description P_STBY P-AMP standby control ACC ON, POWER ON : H, Others : L Mute : L, Others : H P_MUTE P-AMP mute control This muting should not be used for timings that would cause cut in the beginning portion, such as searches during play.
  • Page 7 GX806EF2 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation Description SP_REQ_P Request from panel microcomputer ON request : H ACC_DET ACC detection ACC ON : L, ACC OFF : H, Detection voltage : 8.5V OFF_REQ F-BUS OFF request...
  • Page 8 GX806EF2 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation Description Setting for FLASH ROM writing method H : Serial writing permission Not Used When stopped (L) : Power supply OFF SW_5V VFD power supply ON signal When in normal operation (H) : Power supply ON...
  • Page 9 GX806EF2 PC BOARD (FOIL SIDE VIEW) SWITCH UNIT X34-3142-70 (J74-1621-12) W101 W120 W102 W103 W104 W106 W109 W118 W119 SIN1 SOT1 W113 X34-3142-70 W114 Ref. No. Address 51 52 Refer to the schematic diagram for the values of resistors and ca-...
  • Page 10 GX806EF2 PC BOARD (COMPONENT SIDE VIEW)
  • Page 11 GX806EF2 X14-9382-70 Ref. No. Address IC502 C466 C463 Q107 C464 C467 C468 C465 Q153 C462 C461 Q251 R901 Q254 Q352 R904 Q354 Q356 Q359 Q384 X14 B/2 Q385 Q502 R924 R601 Q505 C605 R622 R606 R602 Q601 R621 Q603 C612...
  • Page 12 GX806EF2...
  • Page 13 GX806EF2 SIE BU YNTHESIZER UNIT (X14-9382-70) (A/2) (X14- ) C507 (B/2) 820P R506 C506 820P WH1-1 D516 WH1-2 IC502 1 2 3 4 STBY C504 R935 Q802 R837 C806 C807 100K 4.7u25 Q805 R908 D522 D521 Q804 3.9K IC802 RESET...
  • Page 14 GX806EF2...
  • Page 15 R2 330 R6 160 R8 110 R54 68 TP28 TP29 TP13 10.0V TP14 TP46 14 13 GX806EF2 (2/2) MB90561A-364 UMC2N BR24C02F-W 2SB1188 GND LINE B LINE HZM2.4N(B) DAN202U CAUTION : For continued safety, replace safety critical components only with X14- manufacturer’s recommended parts (refer to parts list).
  • Page 16 GX806EF2...

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