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Aiwa NSX-AJ100 Service Manual

Compact disc stereo system
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
COMPACT DISC
STEREO SYSTEM
• This Service Manual is the “Supplement” and replace “Simple Manual”
of NSX-AJ100 (U), (S/M Code No. 09-018-441-4T2).
• This Service Manual contains information about the difference between
NSX-AJ100 (U) and NSX-SZ100 (EZ). If requiring other information,
see Service Manual of NSX-SZ100 (EZ), (S/M Code No. 09-00C-441-4R1).
• If requiring information about the CD mechanisim, see Service Manual
www
of BZG-2, (S/M Code No. 09-00C-353-2N2).
.
http://www.xiaoyu163.com
CD
SYSTEM
CASSEIVER
NSX–AJ100
CX–NAJ100
x
ao
y
i
S/M Code No. 09-01A-441-4S8
http://www.xiaoyu163.com
NSX-AJ100
8
Q Q
3
6 7
1 3
BASIC TAPE MECHANISM : ZZM-2 PR1NC
BASIC CD MECHANISM : BZG-2 ZD4NC
SPEAKER
SX–NAJ102
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
REMOTE
CONTROLLER
RC-AAS11(VS)
m
co
U
9 9
2 8
9 9

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Summary of Contents for Aiwa NSX-AJ100

  • Page 1 NSX-AJ100 (U), (S/M Code No. 09-018-441-4T2). • This Service Manual contains information about the difference between NSX-AJ100 (U) and NSX-SZ100 (EZ). If requiring other information, see Service Manual of NSX-SZ100 (EZ), (S/M Code No. 09-00C-441-4R1). • If requiring information about the CD mechanisim, see Service Manual of BZG-2, (S/M Code No.

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (l=780 nm) Usable sensitivity (IHF) 13.2 dBf D/A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Harmonic distortion...
  • Page 3 http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C106 87-012-282-080 C-CAP,U 4700P-50 K B C107 87-010-403-080 CAP,E 3.3-50 M 11L SME 87-A21-893-040 C-IC,NJM14558V-TE2 C108 87-010-403-080 CAP,E 3.3-50 M 11L SME 87-A21-419-040 C-IC,NJM14558MD-TE2 C111...
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C616 87-010-248-080 CAP,E 220-10 M 11L SME C979 87-012-195-080 C-CAP,U 100P-50 J CH C617 87-010-221-080 CAP,E 470-10 M SME C981 87-010-260-080 CAP,E 47-25 M 11L SME C669 87-012-195-080 C-CAP,U 100P-50 J CH...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C520 87-012-282-080 C-CAP,U 4700P-50 K B C560 87-012-286-080 C-CAP,U 0.01-25 K B C521 87-010-829-080 C-CAP,U 0.047-16 Z F CN501 87-A60-673-010 CONN,9P H 2MM JMT C522 87-016-459-040 CAP,E 470-10 M SMG...
  • Page 6 http://www.xiaoyu163.com TRANSISTOR ILLUSTRATION 3 7 63 1515 0 E C B E C B B C E 2SA1235F 2SA1980G CSC4115BC 2SD1933 2SC2714O 2SA1981Y KTC3198GR 2SB1342 2SC3052F STC250 KTA1046Y 2SC5345SF/S (O) KRA107S KRC104S SBT5551F L 13942296513 S D G 2SK2541 2SK360E 2SJ460 u163 –...
  • Page 7 http://www.xiaoyu163.com WIRING (MAIN / 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 – 7 – http://www.xiaoyu163.com...
  • Page 8 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 1 (MAIN 1 / 2 : AMP SECTION) 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 – 8 – http://www.xiaoyu163.com...
  • Page 9 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 2 (MAIN 2 / 2 : TUNER SECTION) 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 – 9 – http://www.xiaoyu163.com...
  • Page 10 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 3 (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 – 10 – http://www.xiaoyu163.com...
  • Page 11 http://www.xiaoyu163.com ADJUSTMENT <TUNER> < TUNER SECTION > 3 7 63 1515 0 1. Clock Frequency Check 7. FM Separation Check Settings : • Test point : TP2 (CLK) Settings : • Test point : TP5 (Lch), TP6 (Rch) Method : Set to AM 1710kHz and check that the test point is •...
  • Page 12 http://www.xiaoyu163.com ADJUSTMENT <DECK / FRONT> < DECK SECTION > 3 7 63 1515 0 1. Tape Speed Adjustment (DECK 1, DECK 2) 4. PB Sensitivity Check (DECK 1, DECK 2) Settings : • Test tape : TTA–100 (3kHz) Settings : • Test tape : TTA–200 (400Hz) •...
  • Page 13 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 BZG-2 PWB HLDR WIRE 1 3 9 4 2 2 9 6 5 1 3 ZZM-2 HT-SINK,ST HT-SINK, SUB C HT-SINK,FIN C w w w u 1 6 3 CABI,BOTTOM –...

  • Page 14: Color Name Table

    KEY,CASS 1 11 8A-NED-011-210 KEY,CASS 2 12 8A-NEC-206-010 HLDR,DECK 13 8B-NFC-020-010 KEY,PLAY 14 8B-NFC-005-010 KEY,POWER 15 87-B00-002-010 BADGE,AIWA 30 ABS SIL 16 8B-NFC-002-010 PANEL,TRAY 17 8B-NFA-004-010 PANEL,TOP 18 8B-NFC-010-010 PANEL,LEFT 19 8A-NFA-208-010 GUIDE,FL 100-25 ANFA 20 8B-NFC-633-010 CONN ASSY,3P (PH)
  • Page 15 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 TERMINAL,LB1 TERMINAL,LB1 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 15 – http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST 1 / 1 3 7 63 1515 0 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...
  • Page 17 http://www.xiaoyu163.com SPEAKER PARTS LIST (SX-NAJ102) <YUSN> 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NSN-001-110 GRILLE, FRAME ASSY 2 8A-NSM-008-010 CORD, SPKR 3 8A-NSM-606-010 SPKR, 100 L 13942296513 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NFC-903-110...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000068 921338 Printed in Singapore http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com NSX-SZ100 3 7 63 1515 0 SERVICE MANUAL L 13942296513 COMPACT DISC BASIC TAPE MECHANISM : ZZM-2 PR1NC STEREO SYSTEM BASIC CD MECHANISM : BZG-2 ZD4NC REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX–SZ100 CX–NSZ100 SX–NSZ102 RC–ZAS11 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" NSX-SZ100 (EZ), (S/M Code No.
  • Page 20 http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <FM tuner section> Laser Semiconductor laser (λ =780 nm) Tuning range 87.5 MHz to 108 MHz D/A converter 1 bit dual Usable sensitivity (IHF) 16.8 dBf Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Antenna terminal 75 ohms (unbalanced) Harmonic distortion...
  • Page 21 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 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 22: Note On Before Starting Repair

    http://www.xiaoyu163.com NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block 3 7 63 1515 0 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 23 http://www.xiaoyu163.com 3 7 63 1515 0 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 24 http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C108 87-010-403-080 CAP,E 3.3-50 SME C109 87-012-195-080 C-CAP,U 100P-50CH 87-A21-893-040 C-IC,NJM14558V-TE2 C110 87-012-195-080 C-CAP,U 100P-50CH 87-A21-419-040 C-IC,NJM14558MD-TE2 C111 87-010-406-080 CAP,E 22-50 SME 8B-NFC-602-030...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C606 87-012-275-080 C-CAP,U 1200P-50 B C957 87-012-174-080 CAP CHIP CERA SS 12P CHJ C609 87-010-785-080 C-CAP,U 0.015-25BK C958 87-012-286-080 CAP, U 0.01-25 C610 87-010-785-080 C-CAP,U 0.015-25BK...
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C516 87-010-831-080 C-CAP,U,0.1-16F C556 87-012-198-080 CAP 180P C517 87-010-831-080 C-CAP,U,0.1-16F C557 87-010-831-080 C-CAP,U,0.1-16F C518 87-012-274-080 CHIP CAP,U 1000P-50B C558 87-010-831-080 C-CAP,U,0.1-16F C519 87-012-336-080 CAP, CHIP SS 3300 SL C560...
  • Page 27 http://www.xiaoyu163.com TRANSISTOR ILLUSTRATION 3 7 63 1515 0 B C E E C B E C B 2SA1235F 2SA1980G CSC4115BC 2SD1933 2SC2714 2SA1981Y 2SB1342 2SC3052F 2SC5343G KTA1046Y CSD1306E KRA102S KRA107S KRC104S L 13942296513 S D G E C B 2SJ460 2SK2541 2SK360E u163...
  • Page 28 http://www.xiaoyu163.com WIRING – 1 (MAIN / 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 – 10 – http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 1 (MAIN 1 / 2 : AMP SECTION) 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 – 11 – http://www.xiaoyu163.com...
  • Page 30 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 2 (MAIN 2 / 2 : TUNER SECTION) 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 – 12 – http://www.xiaoyu163.com...
  • Page 31 http://www.xiaoyu163.com SCHEMATIC DIAGRAM _ 3 (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 – 13 – http://www.xiaoyu163.com...
  • Page 32 http://www.xiaoyu163.com WIRING – 2 (DECK) 3 7 63 1515 0 L 13942296513 u163 – 14 – http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com FL (NHA-10SS18T) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT 3 7 63 1515 0 ANODE CONNECTION L 13942296513 u163 – 15 – http://www.xiaoyu163.com...
  • Page 34 http://www.xiaoyu163.com IC BLOCK DIAGRAM 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 – 16 – http://www.xiaoyu163.com...
  • Page 35 http://www.xiaoyu163.com IC DESCRIPTION IC, UPD780226GF-023-3BA 3 7 63 1515 0 Pin No. Pin Name Description O-PB1 Cassette deck output switching PB1/PB2. O-RMT REC MUTE output. O-BIAS Bias ON/OFF output. O-TU ON Tuner power supply ON/OFF output. O-CD ON CD power supply ON/OFF output (Not used). O-MOTOR Cassette deck motor control output.
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description AVSS — A/D converter ground pin. 51 ~ 57 — Not connected. K-SCAN Initial scan output. I-TU/P1 TU1 diode input/FL segment output (P1). I-TU/P2 TU2 diode input (Not used)/FL segment output (P2). I-TU/P3 TU3 diode input (Not used)/FL segment output (P3).
  • Page 37 http://www.xiaoyu163.com ADJUSTMENT <TUNER / DECK / FRONT> < TUNER SECTION > < DECK SECTION > 3 7 63 1515 0 1. Clock Frequency Check 1. Tape Speed Adjustment (DECK 1) Settings : • Test point : TP2 (CLK) Settings : • Test tape : TTA–100 •...
  • Page 38 http://www.xiaoyu163.com CD TEST MODE 3 7 63 1515 0 1. How to Start the CD Test Mode While pressing the FUNCTION button, insert the AC plug to the power outlet. When the test mode is started, the message [CD TEST] is displayed. 2.
  • Page 39 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 BZG-2 1 3 9 4 2 2 9 6 5 1 3 ZZM-2 HLDR2 HT-SINK,ST HLDR1 HT-SINK,FIN C w w w u 1 6 3 –...
  • Page 40 10 8A-NED-010-010 KEY,CASS 1 11 8A-NED-011-010 KEY,CASS 2 12 8A-NEC-206-010 HLDR,DECK 13 8B-NFC-020-010 KEY,PLAY 14 8B-NFC-005-010 KEY,POWER 15 87-CE3-023-010 BADGE,AIWA 30N SILV 16 8B-NFC-002-010 PANEL,TRAY 17 8B-NFA-004-010 PANEL,TOP 18 8B-NFC-010-010 PANEL,LEFT 19 8A-NFA-208-010 GUIDE,FL 100-25 ANFA 20 8B-NFC-633-010 CONN ASSY,3P (PH)
  • Page 41 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 TERMINAL,LB1 TERMINAL,LB1 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 23 – http://www.xiaoyu163.com...
  • Page 42 http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST 1 / 1 3 7 63 1515 0 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...
  • Page 43 http://www.xiaoyu163.com GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) 3 7 63 1515 0 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.
  • Page 44 http://www.xiaoyu163.com SPEAKER PARTS LIST (SX-NSZ102) <YSC> 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NSN-001-110 GRILLE, FRAME ASSY 2 8A-NSM-008-010 CORD, SPKR 3 8A-NSM-606-010 SPKR, 100 L 13942296513 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NFC-906-010...
  • Page 45 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 2000058 0251431 Printed in Singapore http://www.xiaoyu163.com...