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Aiwa HS-TX525 Service Manual

Stereo radio cassette player.
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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"
(S/M Code No. 09-023-456-8T1)
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http://www.xiaoyu163.com
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u163
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S/M Code No. 09-024-456-8R1
http://www.xiaoyu163.com
HS-TX525
2 9
8
HS-TX526
HS-TX527
Q Q
3
6 7
1 3
1 5
BASIC TAPE MECHANISM : 8ZM-3 YP14NF
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.
YC(S),YU(S)
9 4
2 8
YL(S)
YU(S)
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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Table of Contents

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   Summary of Contents for Aiwa HS-TX525

  • Page 1 HS-TX525 YC(S),YU(S) 3 7 63 1515 0 HS-TX526 YL(S) HS-TX527 YU(S) SERVICE MANUAL L 13942296513 STEREO RADIO CASSETTE PLAYER BASIC TAPE MECHANISM : 8ZM-3 YP14NF • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” (S/M Code No. 09-023-456-8T1) u163 S/M Code No.
  • Page 2 http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 Frequency range: Reception area US1 AM : 530 – 1,710 kHz (10 kHz steps) (HS-TX527 only) FM 87.5 – 108.1 MHz (200 kHz steps) TV 2 ch – 13 ch WTHR 1 ch - 7 ch Reception area US AM : 530 –...
  • Page 3 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 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...
  • Page 10 http://www.xiaoyu163.com WIRING – 1 (MAIN) <HS – TX525 / 526> 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 SCHEMATIC DIAGRAM – 1 (MAIN) <HS – TX525 / 526> 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 12 http://www.xiaoyu163.com WIRING – 1 (MAIN) <HS – TX527> 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 SCHEMATIC DIAGRAM – 2 (MAIN) <HS – TX527> 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 IC BLOCK DIAGRAM 3 7 63 1515 0 L 13942296513 u163 – 14 – http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com LCD DISPLAY (HS – TX527) LCD, ASSY CHR-C (LC72348) 3 7 63 1515 0 L 13942296513 u163 – 15 – http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com LCD DISPLAY (HS – TX525 / 526) LCD, ASSY CHR-E (TC9318) LIGHT 3 7 63 1515 0 L 13942296513 u163 – 16 – http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com IC DESCRIPTION (HS – TX527) IC, LC72348W-9A84 3 7 63 1515 0 Pin No. Pin Name Description XOUT Crystal oscillator (75kHz) pin. TEST2 Connected to GND. Key return signal input pin. Key return signal input pin. Key return signal input pin. Key return signal input pin.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output. LCD driver output.
  • Page 19 http://www.xiaoyu163.com IC DESCRIPTION (HS – TX525 / 526) IC, TC9318FA-074 3 7 63 1515 0 Pin No. Pin Name Description COM1 LCD driver common. COM2 LCD driver common. COM3 LCD driver common. LCD driver output. LCD driver output. LCD driver output. LCD driver output.
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description P1-2 (DES1) Input destination. P1-3 (DES2) Destination 39Pin 40Pin EUROPE GENERAL JAPAN P2-0 TAPE Teleco mode detect signal input pin. H:Tape display ON, L:Tape display OFF. P2-1 POWER CHECK Input power check (A/D).
  • Page 21 http://www.xiaoyu163.com VOLTAGE CHART (HS – TX525 / 526) IC101, TA2145AF IC201, TA2111FN 3 7 63 1515 0 PIN NO. TAPE PIN NO. TAPE 0.80 0.90 1.10 1.10 0.90 1.10 1.10 1.10 0.40 1.00 0.80 0.80 0.40 2.80 2.70 1.10 1.10 1.10 0.20 (0.9)
  • Page 22 http://www.xiaoyu163.com IC501, TA9318FA-074 3 7 63 1515 0 PIN NO. TAPE PIN NO. TAPE 1.60 1.60 1.60 2.70 1.60 1.60 1.60 1.50 1.50 1.50 1.60 1.60 1.60 2.80 2.80 2.80 1.60 1.60 1.60 0.44 0.44 0.44 1.60 1.60 1.60 2.10 2.10 2.10 1.60...
  • Page 23 http://www.xiaoyu163.com ADJUSTMENT <RADIO SECTION> <TAPE PLAYER SECTION> 3 7 63 1515 0 1. AM VT Check 10. Tape Speed Adjustment Settings : • Test point : TP1 (VT) Settings: • Test tape : TTA–100 Method : Set to AM 530kHz and check that the test point is •...
  • Page 24 MECHANICAL EXPLODED VIEW 3 7 63 1515 0 L 13942296513 (HS-TX527 ONLY) (Except for HS-TX527) (HS-TX527 ONLY) HS-TX525,YUBSC,YCB2SC u163 HS-TX526,YU1SC HS-TX527,YUBSC (FileName:HSTX525.EPS) 02/03/25 CHR-C(12) – 24 – http://www.xiaoyu163.com...
  • Page 25 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 HS-TX525 HS-TX525 HS-TX526 HS-TX527 YUBSC YCB2SC...
  • Page 26 http://www.xiaoyu163.com COLOR NAME TABLE 3 7 63 1515 0 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...
  • Page 27 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 3 7 63 1515 0 27 30 L 13942296513 u163 8ZM-3 P14NC – 27 – http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com TAPE 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 29 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-TX527 HS-TX525 HS-TX526 HS-TX525 YUBSC YUBSC YL1SC YCB2SC...
  • Page 30 YL1SC YCB2SC ACCESSORY 8Z-HRB-051-110 CLIP,BELT ACCESSORY 87-080-027-210 S-SCREW,CLIP-BELT4-5.5 POLYCAR a ASS’Y CODE PC-HRE-233-070 HS-TX527 YUBSC ASS’Y CODE PC-HRE-223-070 HS-TX525 YUBSC ASS’Y CODE PC-HRE-303-070 HS-TX526 YL1SC ASS’Y CODE PC-HRE-513-070 HS-TX525 YCB2SC LBL,POP 8C-HRE-971-010 LBL,POP YL PACKING 8C-HRE-894-010 COVER,BTM 525 YUBSC PACKING...
  • Page 31 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 9720501 921338 http://www.xiaoyu163.com...

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Hs-tx527Hs-tx526

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