Sony WM-FX473 - Service Manual

WM-FX473/FX475
AEP Model
E Model
SERVICE MANUAL
RADIO CASSETTE PLAYER
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.
• PARTS LIST
WM-FX453/455 WM-FX473/475
EXPLODED VIEWS EXPLODED VIEWS
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)
(FX453: E, C&SA)
15 X-3373-472-1 CABINET (REAR) SUB ASSY (BLACK)
(FX453: AEP, IT)
15 X-3373-473-1 CABINET (REAR) SUB ASSY
(BLUE, GREEN, GOLD, SILVER) (FX453: AEP)
15 X-3373-474-1 CABINET (REAR) SUB ASS (BLACK) (FX453: EE)
15 X-3373-475-1 CABINET (REAR) SUB ASSY (BLACK)
(FX455: AEP)
15 X-3373-476-1 CABINET (REAR) SUB ASSY (BLACK)
(FX455: E, C&SA)
15 X-3373-477-1 CABINET (REAR) SUB ASSY (BLACK)
(FX455: EE)
15 X-3373-923-1 CABINET (REAR) SUB ASSY (BLACK)
(FX455: AEP)
Ref. No. Part No. Description Remarks Part No. Description Remarks
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)
(FX473: AEP, IT, FR)
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)

Sony WM-FX473 Specifications

General

Brand	Sony
Model	WM-FX473
Category	Cassette Player
Language	English

Summary

SPECIFICATIONS

GENERAL

LOCATION OF PARTS AND CONTROLS

Identifies and locates external controls and indicators on the device.

DISASSEMBLY

CABINET (REAR) SUB ASSY REMOVAL

Procedure for removing the rear cabinet assembly.

MAIN BOARD REMOVAL

Steps for detaching the main circuit board from the chassis.

MECHANISM DECK REMOVAL

Instructions for removing the cassette mechanism deck.

HOLDER, CASSETTE ASSY REMOVAL

Guide for removing the cassette holder assembly.

DISPLAY BOARD REMOVAL

Steps for detaching the display board.

ADJUSTMENTS

MECHANICAL ADJUSTMENTS

Procedures for mechanical adjustments like torque and tension.

ELECTRICAL ADJUSTMENTS

Procedures for electrical calibration, including tuner alignment.

EXPLANATION OF IC TERMINALS

DIAGRAMS

SCHEMATIC DIAGRAM

Electrical circuit schematic for the device.

IC BLOCK DIAGRAMS

Functional block diagrams of key integrated circuits used.

ELECTRICAL PARTS LIST

EXPLODED VIEWS

CABINET SECTION

Exploded view of the device's cabinet components.

MECHANISM SECTION

Exploded view of the cassette mechanism parts.