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3 7 63 1515 0
SERVICE MANUAL
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L 13942296513
STEREO CAR CD RECEIVER
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
of CDC-Z127 YU(S), (S/M Code No. 09-01C-453-2T1).
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S/M Code No. 09-01C-453-2R1
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BASIC CD MECHANISM : BZG-3 BNF
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Table of Contents

   Related Manuals for Aiwa CDC-Z127

   Summary of Contents for Aiwa CDC-Z127

  • Page 1 3 7 63 1515 0 SERVICE MANUAL L 13942296513 STEREO CAR CD RECEIVER BASIC CD MECHANISM : BZG-3 BNF • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" of CDC-Z127 YU(S), (S/M Code No. 09-01C-453-2T1). u163 S/M Code No. 09-01C-453-2R1 http://www.xiaoyu163.com...
  • Page 2 http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 RADIO SECTION AUDIO SECTION (FM) Max. Power Output: 45 W x 4 channels Frequency Range: 87.5 MHz – 108 MHz Usable Sensitivity: 12.7 dBf AUX input Ω 50 dB Quieting Sensitivity: 17.2 dBf Input Sensitivity (load impedance) AUX: 300 mV (10 k IF Rejection: 100 dB Frequency Response: 30 Hz –...
  • Page 3 http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING 3 7 63 1515 0 This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
  • Page 4 http://www.xiaoyu163.com CAUTION WHEN SERVICING 3 7 63 1515 0 1. Procedure for Disassembly 1) Remove COVER TOP/COVER BOTTOM. 2) Remove the screws attached to CD MECHANISM (indicated with an arrow). Refer to Fig-1. Fig-1 2. Service Position Remove CD MECHANISM, and check the movement while a stable condition is maintained.
  • Page 5 ELECTRICAL PARTS LIST (CDC-Z127) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 However, please note that not all components will be available as spare parts for after-sales service.
  • Page 6 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-Z127 YUSF FRONT X JR 0681 88-118-000-080 C-JUMPER,S FRONT...
  • Page 7 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-Z127 YUSF MAIN 0416 87-010-498-040 CAP,E 10-16 M 5L SRE MAIN...
  • Page 8 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-Z127 YUSF MAIN 0508 87-001-783-080 DIODE,1N4002 MAIN 0509 87-020-465-080 DIODE,1SS133...
  • Page 9 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-Z127 YUSF MAIN X JW 0046 88-100-000-010 PLATING-JW, 0.58 SN95 MAIN X JW 0047 88-100-000-010 PLATING-JW, 0.58 SN95...
  • Page 10 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-Z127 YUSF MAIN 0811 87-A30-301-080 TR,2SD1862 MAIN 0821 89-420-120-010 TR,2SD2012...
  • Page 11 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-Z127 YUSF MAIN 0734 88-108-562-080 C-RES,U 5.6K-1/16W J MAIN...
  • Page 12 http://www.xiaoyu163.com ELECTRICAL PARTS LIST (CZA-4) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 13 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 14 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 15 http://www.xiaoyu163.com ELECTRICAL PARTS LIST (BZG-3) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 16 http://www.xiaoyu163.com CHIP RESISTOR PART CODE 3 7 63 1515 0 Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W 3216...
  • Page 17 http://www.xiaoyu163.com WIRING – 1 (MAIN / AUX) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 17 – http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN / AUX) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 18 – http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com WIRING – 2 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 AUDIO CONTROL w w w u 1 6 3 – 19 – http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 20 – http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com WIRING – 3 (CD) <1 / 2> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 21 – http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com WIRING – 3 (CD) <2 / 2> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 22 – http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 3 (CD / FLEX / SW) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 23 – http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com WIRING – 4 (FLEX / SW) 3 7 63 1515 0 L 13942296513 TO CD C.B TO CD C.B u163 – 24 – http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com LCD DIAGRAM 3 7 6 3 1 5 1 5 0 < > SEGMENT < > 1 3 9 4 2 2 9 6 5 1 3 COMMON w w w u 1 6 3 – 25 – http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 < > WIRING TABLE < > 1 3 9 4 2 2 9 6 5 1 3 CHARACTER w w w u 1 6 3 – 26 – http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 IC BLOCK DIAGRAM L 13942296513 u163 – 27 – http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com IC DESCRIPTION IC, LC72358N-9A70 3 7 63 1515 0 Pin No. Pin Name Description System clock oscillator input. TEST2 Not used. CD DATA IN Input data signal for receiving from CD changer. Connected to GND through resistor. CD CLOCK IN Input synchronous clock signal for receiving from CD changer.
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 30 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 32 http://www.xiaoyu163.com IC, LC78622NE 3 7 63 1515 0 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.
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 34 http://www.xiaoyu163.com IC, LC75374E 3 7 63 1515 0 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.
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 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.
  • Page 36 http://www.xiaoyu163.com VOLTAGE CHART IC201, LA9241ML 3 7 63 1515 0 PIN NO. TUNER PIN NO. TUNER 2.50 2.40 2.50 2.41 2.53 2.50 2.49 2.51 2.51 2.51 2.41 2.51 2.52 2.51 2.41 2.51 4.80 2.51 DATA 2.51 DATA 2.50 4.84 2.51 2.50 4.93 2.61...
  • Page 37 http://www.xiaoyu163.com IC202, LC78622NE 3 7 63 1515 0 PIN NO. TUNER PIN NO. TUNER 4.79 1.55 1.75 1.85 1.77 4.69 0.10 0.33 0.02 0.11 2.49 2.47 2.39 2.46 DATA 2.00 DATA DATA DATA DATA DATA DATA 4.80 4.88 4.93 1.93 2.34 L 13942296513 2.35...
  • Page 38 http://www.xiaoyu163.com IC401, LC75374E 3 7 63 1515 0 PIN NO. TUNER PIN NO. TUNER 4.20 4.20 4.20 4.27 4.27 4.27 4.26 4.26 4.26 4.25 4.25 4.25 4.26 4.26 4.26 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28 4.28...
  • Page 39 http://www.xiaoyu163.com IC501, LA4743J IC901, LC72358N-9A70 3 7 63 1515 0 PIN NO. TUNER PIN NO. TUNER 2.40 2.40 2.40 2.75 2.75 2.75 4.76 4.76 4.76 2.74 2.74 2.74 14.38 14.38 14.38 DATA DATA DATA 2.75 2.75 2.75 4.95 4.95 4.90 DATA DATA DATA...
  • Page 40 http://www.xiaoyu163.com TU101, FAE347-A30 3 7 63 1515 0 PIN NO. TUNER ANT INPUT OPEN ANT STANDARD INPUT PIN NO. 4.90 4.80 4.80 4.90 4.90 4.90 4.90 4.90 4.90 4.91 7.82 0.20 7.65 0.21 DATA DATA 3.42 3.42 3.42 3.42 4.85 4.92 4.92 4.92...
  • Page 41 http://www.xiaoyu163.com CD TEST MODE 3 7 63 1515 0 1. Starting CD Test Mode 1) Remove the resistance (100KΩ) on 63 pin (test) line of IC 901 (LC72358N) located on the main circuit board, and connect Add Wire 73 pin (VDD) and 63 pin line with a wire. REMOVE 100KΩ...
  • Page 42 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 42 – http://www.xiaoyu163.com...
  • Page 43 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-Z127 YUSF O MC1001 8C-KCH-002-010 WINDOW, PANEL Z127 O MC1002...
  • Page 44 http://www.xiaoyu163.com COLOR NAME TABLE Basic color symbol 3 7 63 1515 0 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...
  • Page 45 http://www.xiaoyu163.com CD MECHANISM EXPLODED VIEW 3 7 63 1515 0 L 13942296513 MAIN PWB u163 – 45 – http://www.xiaoyu163.com...
  • Page 46 http://www.xiaoyu163.com CD MECHANISM PARTS LIST = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 47 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-Z127 YUSF PACKING DU 87-B40-087-010 BAG,PV 0.04-250-350 PL PACKING DU...
  • Page 48 http://www.xiaoyu163.com OTHERS PARTS LIST = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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.
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 9301944 0251431 http://www.xiaoyu163.com...

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