Aiwa NSX-VC8 Service Manual
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Aiwa NSX-VC8 Service Manual

Aiwa NSX-VC8 Service Manual

Compact disc stereo system
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NSX-VC8
HR
SERVICE MANUAL
COMPACT DISC
BASIC TAPE MECHANISM : ZZM-2 PR1NM
STEREO SYSTEM
BASIC CD MECHANISM : 3ZG-3 E8NM
CD
REMOTE
SYSTEM
SPEAKER
CASSEIVER
CONTROLLER
NSX-VC8
CX–NVC8
SX-NVC8
RC–AAS09
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-VC8 (HR), (S/M Code No. 09-009-437-8T1).
S/M Code No. 09-00A-437-8R1

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Summary of Contents for Aiwa NSX-VC8

  • Page 1 BASIC TAPE MECHANISM : ZZM-2 PR1NM STEREO SYSTEM BASIC CD MECHANISM : 3ZG-3 E8NM REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX-VC8 CX–NVC8 SX-NVC8 RC–AAS09 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" NSX-VC8 (HR), (S/M Code No. 09-009-437-8T1). S/M Code No. 09-00A-437-8R1...

  • Page 2: Specifications

    SPECIFICATIONS <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ =780 nm) Usable sensitivity (IHF) 13.2 dBf Video signal NTSC / PAL color format (selectable) Antenna terminals 75 ohms (unbalanced) VIdeo data MPEG 1 Audio data MPEG 1, Layer 2...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully CAUTION 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.

  • Page 4: Note On Before Starting Repair

    NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
  • Page 5 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.

  • Page 6: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION MAIN C.B 87-A21-381-040 C-IC,LA9235M 87-010-759-080 C-CAP,U, 0.1-25F 87-A21-557-010 C-IC,LC78635E 87-010-759-080 C-CAP,U, 0.1-25F 8Z-ZJP-602-010 C-IC,UPD78016FGC-574-AB8 87-010-759-080 C-CAP,U, 0.1-25F 87-017-760-080 IC,M51943BML 87-010-759-080 C-CAP,U, 0.1-25F 87-A20-925-040 C-IC,BA05FP 87-A10-520-000 CAP,E 3300-35 M SMG 87-A20-905-040...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C441 87-010-759-080 C-CAP,U, 0.1-25F C836 87-012-286-080 CAP, U 0.01-25 C442 87-010-759-080 C-CAP,U, 0.1-25F C837 87-012-286-080 CAP, U 0.01-25 C443 87-010-759-080 C-CAP,U, 0.1-25F C842 87-012-286-080 CAP, U 0.01-25 C445 87-A10-039-080 C-CAP,U 470P-50 J CH C844...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION L801 87-A50-608-010 COIL,FM DET-N(TOK) C540 87-010-759-080 C-CAP,U, 0.1-25F L802 87-A91-551-010 FLTR,PCFJZH-450 L(TOK) C541 87-016-459-040 CAP,E 470-10 SMG L811 87-005-847-080 COIL,2.2UH(CECS) C543 87-010-405-040 CAP,E 10-50 L832 87-005-847-080 COIL,2.2UH(CECS) C590 87-010-384-040 CAP,E 100-25 SME L903...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C306 87-010-112-080 CAP, ELECT 100-16V C619 87-012-286-080 CAP, U 0.01-25 C307 87-010-759-080 C-CAP,U, 0.1-25F C701 87-012-196-080 C-CAP,U 120P-50 CH C308 87-010-263-080 CAP, ELECT 100-10V C702 87-010-494-080 CAP ELECT GAS 1/50 C309 87-010-759-080 C-CAP,U, 0.1-25F...

  • Page 10: Transistor Illustration

    CHIP RESISTOR PART CODE 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 0.55 TRANSISTOR ILLUSTRATION E C B E C B E C B...
  • Page 11 WIRING – 1 (MAIN/FRONT) – 11 –...
  • Page 12 SCHEMATIC DIAGRAM _ 1 (MAIN 1 / 2 : AMP SECTION) – 12 –...
  • Page 13 SCHEMATIC DIAGRAM _ 2 (MAIN 2 / 2 : TUNER SECTION) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM _ 3 (FRONT) – 14 –...
  • Page 15 WIRING – 2 (CD) <1 / 2> – 15 –...
  • Page 16 WIRING – 2 (CD) <2 / 2> – 16 –...
  • Page 17 SCHEMATIC DIAGRAM _ 4 (CD : 1 / 2 / CD LOAD / CD DRIVE) – 17 –...
  • Page 18 SCHEMATIC DIAGRAM _ 5 (CD : 2 / 2) – 18 –...
  • Page 19 WIRING – 3 (DECK) – 19 –...
  • Page 20 WIRING – 3 (CD LOAD/CD DRIVE) – 20 –...
  • Page 21 FL (HNA-10SS15T) GRID ASSIGNMENT & ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION – 21 –...
  • Page 22 IC BLOCK DIAGRAM – 22 –...
  • Page 23 – 23 –...
  • Page 24 IC DESCRIPTION IC, M38B57MCH - E260FP Pin No. Pin Name Description — Connected to GND through a resistor. I-HOLD Hold input. I-TRAY SW CD tray SW AD input. I-D-SW CD door open/close AD detection input. (Connected to GND through a resistor) I-KEY2 Key AD input 2.
  • Page 25 Pin No. Pin Name Description FL grid output (G1). — Not used. — Not used. FL segment output (P20). FL segment output (P19). FL segment output (P18). FL segment output (P17). FL segment output (P16). FL segment output (P15). FL segment output (P14). FL segment output (P13).
  • Page 26 IC, LC78635E Pin No. Pin Name Description PDO1 Internal VCO control phase comparator output pin. (Pull down) Internal VCO control phase comparator output pin. PDO2 OFF for rough servo, ON for phase servo. (Pull down) VVSS — Internal VCO ground pin. PCKIST —...
  • Page 27 Pin No. Pin Name Description EFLG C1, C2 error correction monitor pin. (Not used) TEST Test input pin. (Connected to GND) Emphasis pin. Which becomes an input pin after reset and can be controlled externally. This EMPH becomes an emphasis monitor pin under control by command. MUTEL L channel mute output pin.
  • Page 28 Pin No. Pin Name Description Synchronization signal detection output pin. FSEQ Outputs a high level when the synchronization signal detected from the EFM signal and the internally generated synchronization signal agree. Defect pin. Which becomes an input pin after reset and can be controlled externally. This becomes DFECT the defect monitor pin under control by command.
  • Page 29 IC, CL680-D1 Pin No. Pin Name Description – Not connected. – GND. CD BCK Bit clock input from CD DSP. CD DATA Data input from CD DSP. CD LRCK LRCK input from CD DSP. CD C2PO C2 pointer input from CD DSP. 7 ~ 9 –...
  • Page 30 Pin No. Pin Name Description YOUT Video signal “Y” OUT. (Not used) AVDD DAC – Analog power supply (DAC) 3.3V. AGND DAC – Analog ground. RREF Reference resistor input. VREF Voltage reference input. (Not used) AVDD DAC – Analog power supply (DAC) : 3.3V. C OUT Video signal “C”...
  • Page 31 Pin No. Pin Name Description CDG SCK CD-G serial clock input. – Ground. Micon interface. (Host clock) VDD3 – Power supply 3.3V. HD-IN Micon interface. (Host data in) VDD3 – Power supply 3.3V. HSEL Micon interface. (Host select in) CDG SDATA CD-G data input.
  • Page 32 Pin No. Pin Name Description HRDY HRDY from CL680. XHINT HINT from CL680 – Not connected. SCOR SCOR from CD. – 5.0VDD. 8.0MHz ceralock. – GND. – Not used. Connected to VDD. AVSS – GND. XMPGRST MPEG block IC reset. HSEL Address/Data SEL to CL680.
  • Page 33 ADJUSTMENT <TUNER / DECK / FRONT> < TUNER SECTION > 1. Clock Frequency Check 3. PB Frequency Response Check (DECK 1, DECK 2) Settings : • Test point : TP2 (CLK) Settings : • Test tape : TTA–330 Method : Set to AM 1710kHz and check that the test point is •...

  • Page 34: Cd Test Mode

    CD TEST MODE – 34 –...
  • Page 35 MECHANICAL EXPLODED VIEW 1 / 1 3ZG-3 P.W.B PWB,HLDR FFC PWB,HLDR WIRE P.W.B P.W.B ZZM-2 HT-SINK,TR LOW HT-SINK,FIN CX-NVC8 HRJSM (File Name:EXP.EPS) 12/9/22 ANH-C – 35 –...

  • Page 36: Mechanical Parts List

    CABI,REAR HRJ VCD 5 8A-NEC-003-010 BOX,CASS 2 25 8A-NHC-210-010 CABI,BOTTOM VCD 6 8A-NHC-002-010 WINDOW,DISP HR VCD 26 8A-NEC-201-110 HLDR,PT 7 87-CE3-023-010 BADGE,AIWA 30N SILV 27 8A-NEC-014-010 PANEL,RIGHT 8 86-NFZ-231-010 DMPR,70 28 8A-NHC-202-010 HLDR,VCD 9 8Z-NF8-028-110 KNOB,RTRY MIC 29 8A-NHC-206-010 HLDR,FAN...
  • Page 37 TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL,LB1 TERMINAL,LB1 – 37 –...

  • Page 38: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-ZM1-254-310 SPR-C,REEL R 36 8Z-ZM1-220-110 LEVER,REC SENSOR 2 8Z-ZM1-225-110 GEAR,REEL R 37 8Z-ZM1-249-210 SPR-T,FR 3 8Z-ZM1-253-210 SPR-C,AUTO SENSOR 38 8Z-ZM1-242-310 SPR-T,FF/REW 4 8Z-ZM1-217-110 LEVER,AUTO SENSOR...
  • Page 39 CD MECHANISM EXPLODED VIEW 1 / 2 (3ZG-3 E8NM) CUSH-G, MAIN CUSH-G, MAIN 3ZG-2 E3 (M1) LOADING MOTOR – 39 –...
  • Page 40 CD MECHANISM PARTS LIST 1 / 2 (3ZG-3 E8NM) REF. NO. PART NO. KANRI DESCRIPTION 1 83-ZG3-224-519 1B HLDR M2 A 87-067-945-119 0E VFT2+3-12(F10) 2 83-ZG3-228-619 1C CHAS,L6 B 87-251-071-410 0E U+2.6-4 3 83-ZG3-208-019 0E PULLEY,MOTOR C 83-ZG3-235-010 0E VFT2+2.6-8 4 83-ZG3-213-019 0E LVR,SW D 87-352-075-219 0E VT2+2.6-10 5 83-ZG3-209-619 1A CAM,SLIDE...

  • Page 41: Cd Mechanism Exploded View 2 / 2 (3Zg-2 E3Nm)

    CD MECHANISM EXPLODED VIEW 2 / 2 (3ZG-2 E3NM) CD MECHANISM PARTS LIST 2 / 2 (3ZG-2 E3NM) REF. NO. PART NO. KANRI DESCRIPTION 1 83-ZG2-262-010 CHAS ASSY,E3 2 87-A90-836-010 PICKUP,KSS-213F 3 83-ZG2-235-010 GEAR,A3 4 83-ZG2-236-010 GEAR,MOTOR 3 5 83-ZG2-205-310 GEAR,B 6 83-ZG2-253-010 SHAFT,SLIDE 5...

  • Page 42: General Speaker Disassembly Instructions (For Reference)

    GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS arrows and remove the panel. Remove the screws of each speaker 1 Plastic head hammer unit and then remove the speaker units. 2 (() flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR...

  • Page 43: Accessories / Package List

    SPEAKER PARTS LIST (SX-NVC8) <YJSL, YJ3SL, YJSK2BL> REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NSM-020-010 GRILLE, FRAME ASSY L 2 8A-NSM-008-010 CORD, SPKR 3 8Z-NSY-003-010 CORD, BUSH<YJSK2BL> 4 8A-NSM-604-010 SPKR, 100<YJSL,YJ3SL> 4 8A-NSM-606-010 SPKR, 100<YJSK2BL> ACCESSORIES / PACKAGE LIST REF. NO. PART NO.
  • Page 44 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000058 0251431 Printed in Singapore...

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