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CDC-X227 SERVICE MANUAL STEREO CAR CD RECEIVER BASIC CD MECHANISM : BZG-3 BNF • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" CDC-X227<YZ>, (S/M Code No. 09-022-454-4T2). S/M Code No. 09-025-454-4R2...
SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ..............4 CAUTION WHEN SERVICING ............................5 ELECTRICAL PARTS LIST (CDC-X227) ........................6 ~ 10 ELECTRICAL PARTS LIST (CZA-4 SNYNF) ......................11 ~ 13 ELECTRICAL PARTS LIST (BZG-3 BNF) ........................14 TRANSISTOR ILLUSTRATION ............................
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. Use of controls or adjustments or performance of proce- dures other than those specified herin may result in WARNING!! hazardous radiation exposure.
CAUTION WHEN SERVICING 1. Procedure For Disassembly 1) Remove COVER TOP and COVER BOTTOM. 2) Remove the screws (indicated with arrows) from CD MECHANISM. Refer to Fig. 1 Fig-1 2. Servicing Position Remove CD MECHANISM and check the movement while in a stable condition. Refer to Fig-2 Fig-2 –...
ELECTRICAL PARTS LIST (CDC-X227) = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service.
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Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF FRONT O SW 0602 87-A90-164-080 SW,TACT SKQNAB(N) FRONT...
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Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF MAIN 0512 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB MAIN 0513 87-010-759-080 C-CAP,U 0.1-25 Z F CM/CB...
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Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF MAIN 0109 87-A30-287-040 C-TR,DTC114TKA MAIN 0401 87-A30-287-040 C-TR,DTC114TKA...
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Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF MAIN 0803 88-148-229-080 C-RES, 2.2-1/2W J MAIN...
ELECTRICAL PARTS LIST (CZA-4 SNYNF) = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
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= ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
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= ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers.
ELECTRICAL PARTS LIST (BZG-3 BNF) = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
IC DESCRIPTION IC, LC72358N-9A71 Pin No. Pin Name Description System clock oscillator input. TEST2 Not used. CD DATA IN Input data signal for receiving from CD changer.(Not used) Not connected. CD CLOCK IN Input synchronous clock signal for receiving from CD changer. E-VOL DO Data output for volume level control.
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Pin No. Pin Name Description A-MUTE Audio mute signal output. POWER CONT Power control signal output. ST-BY MUTE ST-BY mute signal output. POWER MUTE Power mute signal output. BEEP BEEP output (3kHz, 50ms). DFP IN Front panel detection. "Detect RF" RF level detection input. Pulled up when not used. Sub-code Q output standby input terminal.
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IC, LA9241ML Pin No. Pin Name Description For the connection of the pickup photodiode. Addition to the FIN1 pin creates an RF signal FIN2 and subtraction from it create an EF signal. FIN1 For the connection of the pickup photodiode. For the connection of the pickup photodiode.
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Pin No. Pin Name Description The HFL (high frequency level) signal is used to judge whether the main beam is positioned on the pit or on the mirror. SLOF Sled servo off control input. CLV error signal input from the DSP. RFSM RF output.
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IC, LC78622NE Pin No. Pin Name Description DEFI Defect detection signal (DEF) input. (Must be connected to 0V when not in used.) For PLL/Test input. A pull-down resistor is built-in. (Must be connected to 0V.) External VCO control phase comparator output. VVSS Internal VCO ground.
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Pin No. Pin Name Description RMUTE Right channel mute output. (Not used) XVDD Crystal oscillator power supply. XOUT Connection for a 16.93 MHz crystal oscillator element. XVSS Crystal oscillator ground. (Must be connected to 0V.) SBSY Subcode clock synchronization signal output. (Not used) EFLG C1, C2, sigle an double error correction monitor.
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IC, LC75374E Pin No. Pin Name Description RVR IN 4dB volume control input. Must be driven at a low impedance. R COM 1dB volume control common pin. For the connection of capacitors that compensate for bass and treble in the tone control circuits. 3 ~ 5 RT1 ~ RT3 A high-frequency compensation capacitors must be connected between T1 and T2.
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Pin No. Pin Name Description TUN(R) Signal input pins. CHG(R) Not used. AUX(R) Signal inputs pins. RSELO Input selector output pins. IC, LC75853NW Pin No. Pin Name Description LCD segment output. Not used. LCD segment output. Not used. 5 ~ 35 S5 ~ S35 LCD segment output.
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IC202, LC78622NE PIN NO. TUNER PIN NO. TUNER 4.79 1.55 1.75 1.85 1.77 4.69 0.33 0.02 0.11 2.49 2.47 2.39 2.46 DATA DATA DATA DATA DATA 4.88 4.92 1.93 2.34 2.35 4.93 4.93 2.47 2.03 2.03 4.96 – 37 –...
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IC203, LA6557H PIN NO. TUNER ˚´•``ˆÀ`•```í´ˆR 0.17 4.25 4.25 4.25 0.17 4.27 4.27 4.27 4.25 4.25 4.25 4.28 4.28 4.28 4.27 4.27 4.27 DATA DATA DATA DATA DATA DATA DATA DATA DATA 4.27 4.27 4.27 4.28 4.28 4.28 4.28 4.28 4.28 2.58 4.25...
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PIN NO. TUNER PIN NO. TUNER 3.26 3.26 3.26 1.65 1.65 1.65 DATA DATA DATA DATA DATA DATA DATA DATA DATA 4.82/0 DATA DATA DATA 4.87 4.87 IC901, LC72358N-9A71 4.87 PIN NO. TUNER 4.91 DATA DATA DATA DATA DATA 4.95 4.95 4.85 DATA...
TEST MODE 1. How to start CD Test Mode 1) Remove the resistor (100Kohms ) connected at Pin 63 (test) of IC701 (LC72358N) on main circuit board. Then connect a wire between Pin 73 (VDD) and Pin 63 (test). 2) Connect ACC (red) and BACK UP (yellow) wires of the connector assy to the positive terminal of Power Supply device and Ground (black) wire to the negative terminal.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF O MC1001 8C-KCG-003-010 WINDOW,PANEL 16 O MC1002...
COLOR NAME TABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue Light Blue Transparent Green Dark Blue Transparent Orange...
CD MECHANISM PARTS LIST = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CDC-X227 YZSF ACCESSORY 87-253-032-410 U+2-3 BLK ACCESSORY 87-B10-141-010 NUT,5 TYPE-2...
OTHERS PARTS LIST (CDC-X227) = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service.