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Sony WM-FX473 Service Manual
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Sony WM-FX473 Service Manual

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WM-FX473/FX475
SERVICE MANUAL
• PARTS LIST
WM-FX453/455
EXPLODED VIEWS
Ref. No.
Part No.
Description
8
3-007-086-02 HOLDER, CASSETTE (BLACK) (FX455)
8
3-007-086-12 HOLDER, CASSETTE (BLUE) (FX455: AEP)
8
3-007-086-22 HOLDER, CASSETTE (SILVER) (FX455: AEP)
8
3-007-086-31 HOLDER, CASSETTE (GREEN) (FX455: AEP)
8
3-007-087-02 HOLDER, CASSETTE (BLACK) (FX453)
8
3-007-087-12 HOLDER, CASSETTE (BLUE) (FX453: AEP)
8
3-007-087-22 HOLDER, CASSETTE (GREEN) (FX453: AEP)
8
3-007-087-31 HOLDER, CASSETTE (GOLD) (FX453: AEP)
8
3-007-087-42 HOLDER, CASSETTE (SILVER) (FX453: AEP)
14
A-3016-916-A MAIN BOARD, COMPLETE (FX453: AEP, IT, E)
14
A-3016-918-A MAIN BOARD, COMPLETE (FX453: EE)
14
A-3016-920-A MAIN BOARD, COMPLETE (FX455: AEP, E)
14
A-3016-921-A MAIN BOARD, COMPLETE (FX455: EE)
14
A-3016-972-A MAIN BOARD, COMPLETE (FX455: C&SA)
14
A-3016-973-A MAIN BOARD, COMPLETE (FX453: C&SA)
15
X-3373-471-1 CABINET (REAR) SUB ASSY (BLACK)
15
X-3373-472-1 CABINET (REAR) SUB ASSY (BLACK)
15
X-3373-473-1 CABINET (REAR) SUB ASSY
15
X-3373-474-1 CABINET (REAR) SUB ASS (BLACK) (FX453: EE)
15
X-3373-475-1 CABINET (REAR) SUB ASSY (BLACK)
15
X-3373-476-1 CABINET (REAR) SUB ASSY (BLACK)
15
X-3373-477-1 CABINET (REAR) SUB ASSY (BLACK)
15
X-3373-923-1 CABINET (REAR) SUB ASSY (BLACK)
MICROFILM
WM-FX473/FX475 is the Radio Cassette Player.
The mechanical and electrical specifications of
WM-FX473/FX475 are almost same as WM-FX453/FX455.
So this manual contains only the points which differ from
WM-FX453/FX455 service manual (9-923-169-11) and
supplement-1 (9-923-169-81) previously issued.
The FR (FRENCH) model is almost same as the AEP model.
(FX453: E, C&SA)
(FX453: AEP, IT)
(BLUE, GREEN, GOLD, SILVER) (FX453: AEP)
(FX455: AEP)
(FX455: E, C&SA)
(FX455: EE)
(FX455: AEP)
EXPLODED VIEWS
Remarks
Part No.
Description
3-007-086-41
HOLDER, CASSETTE (BLACK) (FX475)
3-007-086-51
HOLDER, CASSETTE (BLUE) (FX475: AEP, FR)
3-007-086-61
HOLDER, CASSETTE (SILVER) (FX475: AEP, FR)
3-007-087-51
HOLDER, CASSETTE (BLACK) (FX473)
3-007-087-61
HOLDER, CASSETTE (BLUE) (FX473: AEP)
3-007-087-71
HOLDER, CASSETTE (SILVER) (FX473: AEP)
3-007-087-81
HOLDER, CASSETTE (GREEN) (FX473: AEP, FR)
A-3016-916-A MAIN BOARD, COMPLETE (FX473: AEP, IT, E, 9E)
A-3016-918-A MAIN BOARD, COMPLETE (FX473: EE)
A-3016-920-A MAIN BOARD, COMPLETE (FX475: AEP, E, 9E)
A-3016-921-A MAIN BOARD, COMPLETE (FX475: EE)
A-3021-067-A MAIN BOARD, COMPLETE (FX475: FR)
A-3021-068-A MAIN BOARD, COMPLETE (FX473: FR)
X-3374-788-1 CABINET (REAR) SUB ASSY (BLACK) (E, 9E, EE)
X-3374-848-1 CABINET (REAR) SUB ASSY (BLACK)
X-3374-849-1 CABINET (REAR) SUB ASSY (BLACK) (FX475: AEP, FR)
X-3374-850-1 CABINET (REAR) SUB ASSY (BLACK) (FX475: AEP, FR)
X-3374-949-1 CABINET (REAR) SUB ASSY (FX473: AEP, FR)
RADIO CASSETTE PLAYER
AEP Model
E Model
WM-FX473/475
Remarks
(FX473: AEP, IT, FR)

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Summary of Contents for Sony WM-FX473

  • Page 1 WM-FX473/FX475 SERVICE MANUAL AEP Model E Model WM-FX473/FX475 is the Radio Cassette Player. The mechanical and electrical specifications of WM-FX473/FX475 are almost same as WM-FX453/FX455. So this manual contains only the points which differ from WM-FX453/FX455 service manual (9-923-169-11) and supplement-1 (9-923-169-81) previously issued.
  • Page 2 WM-FX473/FX475 WM-FX453/FX455 WM-FX473/FX475 ELECTRACAL PARTS LIST ELECTRACAL PARTS LIST Ref. No. Part No. Description Remarks Part No. Description Remarks A-3016-916-A MAIN BOARD, COMPLETE (FX453: AEP, IT, E) A-3016-916-A MAIN BOARD (FX473: AEP, IT, E, 9E) ********************* ************ A-3016-918-A MAIN BOARD, COMPLETE (FX453: EE)
  • Page 13 SCHEMATIC DIAGRAM (WM-FX453 : US model only) WM-FX453/FX455 Waveforms Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and W or less unless otherwise specified.
  • Page 17 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-165-176-11 CERAMIC CHIP 0.047uF C601 1-164-344-11 CERAMIC CHIP 0.068uF C602 1-107-823-11 CERAMIC CHIP 0.47uF 1-104-700-11 CERAMIC CHIP 0.027uF C603 1-124-434-00 ELECT 220uF 1-165-176-11 CERAMIC CHIP 0.047uF C605 1-164-344-11 CERAMIC CHIP 0.068uF 1-124-259-11 ELECT...
  • Page 18 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-501-868-11 ANTENNA, FERRITE-ROD (AM) R205 1-216-835-11 METAL CHIP 1/16W (AM TRACKING) R206 1-216-818-11 METAL CHIP 1/16W L101 1-414-760-21 FERRITE R207 1-216-864-11 METAL CHIP 1/16W R208 1-216-851-11 METAL CHIP 330K 1/16W L201...
  • Page 19 Ref. No. Part No. Description Remark < FILTER > 1-781-172-11 DISCRIMINATOR, CERAMIC (10.7MHz) ************************************************************** MISCELLANEOUS ************** 1-694-218-31 CONNECTOR, RUBBER FPC1 1-655-731-11 PC BOARD, TUNER FLEXIBLE HRP901 1-500-404-11 HEAD, MAGNETIC 1-501-868-11 ANTENNA, FERRITE-ROD (AM) (AM TRACKING) M901 1-763-073-11 MOTOR (INCLUDING PULLEY) ND701 1-801-520-11 DISPLAY PANEL, LIQUID CRYSTAL **************************************************************...
  • Page 20 WM-FX453/FX455 Sony Corporation 99A0282-1 Printed in Japan © 1999.1 Personal A&V Products Company 9-923-169-84 Published by Quality Engineering Dept. – 18 – (Shibaura)
  • Page 24 File this Supplement with the Service Manual. Subject : 5E MODEL HAS BEEN ADDED FOR WM-FX453 AND WM-FX455 CHANGE OF EXPLODED VIEWS CORRECTION (ECN-WM700712,WM700713,WM700940) 97H0216-1 Printed in Japan © 1997.8 Sony Corporation Published by Quality Engineering Dept. 9-923-169-81 Personal A&V Products Company (Shibaura)

  • Page 25: Model Addition

    MODEL ADDITION 1. The WM-FX453 (5E model) is approximately the same as the WM-FX453 (Canadian model). 2. The WM-FX455 (5E model) is approximately the same as the WM-FX455 (US model). Consequently, only difference between 5E model and US, Canadian model are listed. For other information, please refer to the previously issued WM-FX453/FX455 service manual (9-923-169-11).

  • Page 26: Change Of Exploded Views

    CHANGE OF EXPLODED VIEWS : Changed portion Page 19 6-1. CABINET SECTION ND701 FPC1 Page 19 Former Type New type Ref. No. Part No. Description Part No. Description Remark 3-921-954-01 SPRING (LID UP) 3-015-892-01 SPRING (LID UP) Changed 3-008-599-01 SCREW (M1.4), TOOTH (WH) 3-015-285-01 SCREW (M1.4), TOOTHED LOOK (WH) Changed –...

  • Page 27: Mechanism Section

    Page 20 6-2. MECHANISM SECTION (MF-WMFX453-114) supplied HRP901 M901 Page 20 Former Type New type Ref. No. Part No. Description Part No. Description Remark 3-920-992-01 SPRING (STOP) 3-015-436-01 SPRING (STOP) Changed 3-921-022-01 LEVER (B), DETECTION 3-929-419-01 LEVER (BR), DETECTION Changed –––––––––––––––––...
  • Page 28 WAVEFORM 1.83Vp-p 75kHz IC701 @¢ VOLT/DIV : 0.5V AC TIME/DIV : 5µsec – 11 –...
  • Page 29 EXPLODED VIEWS (Service Manual see page 19) Ref. No. Part No. Description Remark X-3374-844-1 CABINET (REAR), SUB ASSY (BLACK) (FX453 : US) 98A0218-1 Printed in Japan © 1998.1 Sony Corporation Published by Quality Engineering Dept. 9-923-169-82 Personal A&V Products Company (Shibaura)
  • Page 30 CHANGE OF EXPLODED VIEWS • Abbreviation Page 19 CND : Canadian : East European IT : Italian : Indication of country of origin, radio section : FM MONO/ST switch : Indication of country of origin,radio section : DX/LOCAL switch : No indication of country of origin, radio section : FM MONO/ST switch 6-1.
  • Page 31 Page 20 6-2. MECHANISM SECTION (MF-WMFX453-114) supplied HRP901 M901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3369-749-1 PINCH LEVER (N) ASSY 3-920-990-01 SPRING (UD), COMPRESSION 3-920-996-01 SPRING (PINCH N) 3-921-335-01 WASHER, LEVER X-3372-619-1 WHEEL ASSY (P), CAPSTAN 3-923-530-01 SLEEVE (M) 3-704-197-71 SCREW (M1.4) 3-921-042-01 GEAR (REEL)

  • Page 32: New Type Identification

    CHANGE OF MAIN AND DISPLAY BORADS The main board and display board has been changed. Main, display section printed wiring boards of new type, and changed parts list are described in this supplement-2. For other information, please refer to the previously issued WM-FX453/FX455 service manual (9-923-169-11) and supplement-1 (9-923- 169-81).
  • Page 33 WM-FX453/FX455 US Model AEP Model SERVICE MANUAL E Model WM-FX453/FX455 Ver 1.0 1998. 06 Canadian Model Chiniese Model WM-FX453 SUPPLEMENT - 3 File this Supplement with the Service Manual. Subject : 1. CHINESE MODEL AND 6E MODEL HAS BEEN ADDED FOR WM-FX453 2.

  • Page 34: Change Of Motor

    2. CHANGE OF MOTOR A new motor has been issued for this equipment. However, the maintenance deck and the outer cabinet are not compatible with this new motor and must also be replaced the same product when you replace the motor. You can identify these different sets by the shape of the motor.
  • Page 35 CORRECTION EXPLODED VIEWS (Supllement-2 see page 2) : indicates corrected portion page INCORRECT CORRECT – 3 –...
  • Page 36 WM-FX453/FX455 Sony Corporation 98F0284-1 Printed in Japan © 1998.6 9-923-169-83 Personal A&V Products Company Published by Quality Engineering Dept. – 4 – (Shibaura)

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