Aiwa HS-TX426 Service Manual
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Aiwa HS-TX426 Service Manual

Stereo radio cassette player
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QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
STEREO RADIO CASSETTE PLAYER
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
HS-TX426 <YL(S)> / HS-TX427 <YC(S), YU(S)> / HS-TX429 <YL(S)>,
(S/M Code No. 09-022-457-4T1).
www
.
http://www.xiaoyu163.com
x
ao
u163
y
i
S/M Code No. 09-024-457-4R2
http://www.xiaoyu163.com
HS-TX426
2 9
8
HS-TX427
HS-TX429
Q Q
3
6 7
1 3
1 5
BASIC TAPE MECHANISM : 8ZM-3 YP8NF
co
.
YL(S)
9 4
2 8
YC(S), YU(S)
YL(S)
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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Summary of Contents for Aiwa HS-TX426

  • Page 1 STEREO RADIO CASSETTE PLAYER BASIC TAPE MECHANISM : 8ZM-3 YP8NF • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” HS-TX426 <YL(S)> / HS-TX427 <YC(S), YU(S)> / HS-TX429 <YL(S)>, (S/M Code No. 09-022-457-4T1). u163 S/M Code No. 09-024-457-4R2...

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 Frequency range: Reception area US1 <HS-TX427 only> AM 530 - 1,710 kHz (10 kHz steps) FM 87.5 - 108.1 MHz (200 kHz steps) TV 2 ch - 13 ch WTHR 1 ch - 7 ch Reception area US AM 530 - 1,710 kHz (10 kHz steps) FM1, FM2 87.5 - 108.1 MHz (200 kHz steps)

  • Page 3: Electrical Parts List

    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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC MAIN...
  • Page 4 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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC MAIN...
  • Page 5 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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC MAIN 0624 87-010-831-080 C-CAP,U 0.1-16 Z F...
  • 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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC MAIN...
  • 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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC 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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC MAIN...

  • Page 9: Transistor Illustration

    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 10 WIRING – 1 (MAIN) <1 / 2> (HS-TX426 / 429) 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 –...
  • Page 11 WIRING – 1 (MAIN) <2 / 2> (HS-TX426 / 429) 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 –...

  • Page 12: Schematic Diagram - 1 (Main)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN) <HS –TX426 / 429> 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 13 http://www.xiaoyu163.com WIRING – 2 (MAIN) <1 / 2> (HS-TX427) 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 14 http://www.xiaoyu163.com WIRING – 2 (MAIN) <2 / 2> (HS-TX427) 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 – 14 – http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (MAIN) <HS –TX427> 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 – 15 – http://www.xiaoyu163.com...

  • Page 16: Lcd Diagram

    http://www.xiaoyu163.com LCD 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 17 http://www.xiaoyu163.com IC DESCRIPTION IC, LC72348W-9A84 3 7 63 1515 0 Pin No. Pin Name Description XOUT Crystal oscillator (75kHz) pin. TEST2 Connected to ground. Key return signal input pin. Key return signal input pin. Key return signal input pin. Key return signal input pin. Key source signal output pin.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out. LCD driver out.
  • Page 19 http://www.xiaoyu163.com ADJUSTMENT 3 7 63 1515 0 <TAPE PLAYER SECTION> < TUNER SECTION > 1. Tape Speed Adjustment 1. AM IF Adjustment Settings : • Test tape : TTA-100 (TAPE CENTER) IFT201 ........450kHz <TX426 / 429> • Test point : PHONES (J101) IFT601 ........

  • Page 20: Mechanical Exploded View

    http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 3 7 63 1515 0 (Except HS-TX427) (Except for HS-TX427) (HS-TX427 ONLY) (HS-TX427 only) L 13942296513 u163 – 20 – http://www.xiaoyu163.com...

  • Page 21: Mechanical Parts List

    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 HS-TX427 HS-TX426 HS-TX429 HS-TX427 YUBSC YL1BSC YL1BSC YCBSC...

  • Page 22: Color Name Table

    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 23: Tape Mechanism Exploded View

    http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 3 7 63 1515 0 27 30 L 13942296513 u163 – 23 – http://www.xiaoyu163.com...

  • Page 24: Tape Mechanism Parts List

    http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST = ! SAFETY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 6 3 1 5 1 5 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 25: Accessories Parts List

    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 HS-TX427 HS-TX429 HS-TX426 HS-TX427 YCBSC YL1BSC YL1BSC YUBSC 8C-HRC-701-010 IB,YUC(ESF)S 427...

  • Page 26: Other Parts List

    8C-HRC-509-010 CTN,OUTER 429 YL1BSC PC-HRC-343-070 HS-TX429 YL1BSC 8C-HRC-885-010 BD,PRINTED 426 YL1BSC IN 8C-HRC-896-010 CTN,INNER 426 YL1BSC 8C-HRC-508-010 CTN,OUTER 426 YL1BSC PC-HRC-243-070 HS-TX426 YL1BSC 8C-HRC-884-010 BD,PRINTED 427 YUBSC B 8C-HRC-895-010 CTN,INNER 427 YUBSC 8C-HRC-507-010 CTN,OUTER 427 YUB4SC 87-056-146-010 SH,CAUTION HP-N 8C-HRC-710-010 WARR-CARD,U TX427...
  • Page 27 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 921338 http://www.xiaoyu163.com...

This manual is also suitable for:

Hs-tx427Hs-tx429

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