KDC-C469/Y/FM/FMA KDC-C669/Y COMPONENT DESCRIPTION 3 7 63 1515 0 ● CD PLAYER UNIT (X32-5470-0x) Ref. No. Component Name Application/Function Operation/Condition/Compatibility RF amplifier built in digital servo and data processor IC. Focusing, tracking, sled and spindle servo processing. Detection of dropout, anti-shock, track crossing and off-track conditions.
Page 5
KDC-C469/Y/FM/FMA KDC-C669/Y COMPONENT DESCRIPTION 3 7 63 1515 0 Ref. No. Component Name Application/Function Operation/Condition/Compatibility When an eccentric disc is detected, Q30 is turned on, and a preceding beam is DTC114YUA Eccentric disc SW made to be delayed. While spindle servo or disc loading/eject mode is selected, a base goes “Hi”, and...
KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 ● Mechanism Microcomputer : UPD784214GC098 (X32- : IC7) Pin No. Pin Name Description Processing Operation NOR/RW CD-DA/CD-RW Switching Not used (N.C.) TSTB CD-TEXT parameter strobe P-CON P-CON output Not used (N.C.) Focus OK input “Hi”...
Page 7
KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation Text data input from servo IC Text data output to servo IC TSCK Text data clock to servo IC 48~55 A0~A7 Address setting terminal for S RAM...
Page 8
KDC-C469/Y/FM/FMA KDC-C669/Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Description Processing Operation PF3 MUTE0 Not used (N.C.) PF2 REQC Communication request input form CH “Lo” : Communication requested PF1 REQH Communication request output to CH “Lo”...
Page 9
KDC-C469/Y/FM/FMA KDC-C669/Y ADJUSTMENT 3 7 63 1515 0 ● RF MODULATOR UNIT ● L.P.S. initial position adjustment procedure 1. DC balance adjustment (VR301) 1. Connect the changer to the HEAD UNIT (H/U). While observing the waveform with an oscilloscope at pin 2.
Page 12
PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) X13-9840-00 (J74-1100-02) (FOIL SIDE VIEW) X13-9840-00 (J74-1100-02) L 13942296513 (COMPONENT SIDE VIEW) X16-1010-00 (J74-1153-01) BLACK LIMSW u163 Refer to the schematic diagram for the values of resistors and capacitors.
Page 13
PC BOARD (FOIL SIDE VIEW) 3 7 6 3 1 5 1 5 0 (COMPONENT SIDE VIEW) DISPLAY UNIT RF MODULATOR UNIT RF MODULATOR UNIT Address LED11 LED12 LED13 RESET POEWR LED14 LED15 DISPLAY UNIT Address 1 3 9 4 2 2 9 6 5 1 3 (FOIL SIDE VIEW) DISPLAY UNIT DISPLAY UNIT...
Page 14
CD PLAYER UNIT (X32-5470-0X) 3 7 6 3 1 5 1 5 0 72(X92-) MGSW AVREF0 R129 RESET RESET IC NO SW CHRST EJSW 5.0V (X13-9840-00) OUT 1 5.0V ARMSW 14.4V REQH RESET CH CON CHCON BU+14V BU14V CH-CON BU+14V CH MUTE CH-RST A GND...
KDC-C469/Y/FM/FMA KDC-C669/Y EXPLODED VIEW (UNIT) 3 7 63 1515 0 BLACK M4x17.3 N09-4383-05 φ2x4 N89-2004-46 φ2.6x6 (BLK) N89-2606-45 L 13942296513 SILVER (X13-9840-00) u163 Parts with the exploded numbers larger than 700 are not supplied.
Page 20
KDC-C469/Y/FM/FMA KDC-C669/Y EXPLODED VIEW (RF MODULATOR / DISPLAY UNIT) 3 7 63 1515 0 L 13942296513 LCD1 φ3x6 (BLK) N09-4207-08 φ3x8 (BLK) N09-4206-08 u163 φ2x4 (BLK) N79-2040-45 φ2x8 (BLK) N79-2080-45 Parts with the exploded numbers larger than 700 are not supplied.