Sony WM-FX551 Service Manual
Sony wm-fx551; wm-fx553 radio cassette player
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Also See for WM-FX551:
- Operating instructions manual (2 pages) ,
- Operating instructions (2 pages)
Table of Contents
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WM-FX551/FX553
SERVICE MANUAL
Ver 1.1 2002. 01
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
Radio section
Frequency range
FM : 87.5 - 108 MHz
AM : 531 - 1,602 kHz
Tape section
Frequency response
(Dolby NR off)
Playback : 20 -18,000 Hz
Output
Headphones (2 REMOTE jack)
Load impedance 8 - 300 ohms
Power output
5 mW + 5 mW (16 ohms)
General
Power requirements
1.5 V
Dimensions (w/h/d)
Apporx. 109 × 79.2 × 25.9 mm, incl.
projecting parts and controls
Sony Corporation
9-923-156-12
2002A1600-1
Personal Audio Company
© 2002.1
Published by Sony Engineering Corporation
WPhoto : WM-FX551
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Mass
Approx. 150 g
FX553 : Approx. 175 g incl.
headphones with remote control
and cassette
FX551 : Approx. 160 g incl.
headphones and cassette
Supplied accessories
Stereo headphones with remote
control (1) (FX553)
Stereo headphones (1) (FX551)
Clip (1) (FX553)
Carring pouch (1)
Design and specifications are subject to
charge without notice.
RADIO CASSETTE PLAYER
AEP Model
E Model
WM-FX551/FX553
US Model
Canadian Model
Tourist Model
WM-FX553
NEW
MT-WMEX550-125
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Table of Contents
Related Manuals for Sony WM-FX551
Summary of Contents for Sony WM-FX551
- Page 1 5 mW + 5 mW (16 ohms) General Power requirements 1.5 V Dimensions (w/h/d) Apporx. 109 × 79.2 × 25.9 mm, incl. projecting parts and controls RADIO CASSETTE PLAYER Sony Corporation 9-923-156-12 2002A1600-1 Personal Audio Company © 2002.1 Published by Sony Engineering Corporation...
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Page 2: Table Of Contents
TABLE OF CONTENTS Specification ················································································· 1 1. GENERAL ·········································································· 3 2. SERVICE NOTE ······························································· 3 3. DISASSEMBLY 3-1. Case Assy Removal ······················································· 4 3-2. Tuner Board Removal ···················································· 4 3-3. Audio Board Removal ··················································· 5 3-4. Cassette Lid Assy Removal ··········································· 5 3-5. -
Page 3: General
SECTION 1 GENERAL • LOCATION OF CONTROL 1 OPEN knob 2 PRESET + /AMS FF button 3 PRESET – /AMS REW button 4 TUNING + button !¢ 5 TUNING – button 6 ENTER button 7 ˇ /REPEAT button 8 p /RADIO OFF button 9 MENU button 0 SET button !` VOLUME knob... -
Page 4: Disassembly
SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. CASE ASSY REMOVAL 3 Screw (M1.4 × 2.2) 5 Case assy 2 Screw 1 Screw (M1.4 × 2.2) (M1.4 × 2.2) 3-2. TUNER BOARD REMOVAL 1 Scew (M1.7 ×... -
Page 5: Audio Board Removal
3-3. AUDIO BOARD REMOVAL 5 AUDIO board 1 Remove solder 3 Flexible board 2 Remove solder 3-4. CASSETTE LID ASSY REMOVAL 2 Screw (M1.4 × 2) 5 Cassette lid assy 3 Screw (M1.4 × 2) 1 OPEN button — 5 —... -
Page 6: Mechanism Deck Removal
3-5. MECHANISM DECK REMOVAL 4 Reel ornament 5 Mechanism deck — 6 —... -
Page 7: Mechanical Adjustment
SECTION 4 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT EXPLANATION OF IC TERMINALS PRECAUTION PRECAUTION TUNER SECTION FM VCO Adjustment • IC1 TC9326F Clean the following parts with a denatured-alcahol-moistened Specified voltage : 1.3V Procedure : Pin No. Function Pin Name Circuit Description... -
Page 12: Diagrams
MEMO • IC BLOCK DIAGRAMS IC3 TA7371AF-EL (TUNER SECTION) IC301 TA2072AF (AUDIO SECTION) IC601 MM1279XVBE (AUDIO SECTION) IC7 TA-2022AFN-EL (TUNER SECTION) — 25 — — 26 —... -
Page 13: Exploded Views
SECTION 8 EXPLODED VIEWS Note: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number have some differences from the original one. in the exploded views are not supplied. • Items marked “*” are not stocked since they •... -
Page 14: Audio, Tuner Board Section
8-2. AUDIO, TUNER BOARD SECTION S901 MT-WMEX550-125 J801 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-375-114-41 SCREW (M1.7X3) 3-009-667-01 SPRING, TENSION A-3016-925-A TUNER BOARD, COMPLETE 3-009-675-01 HOLDER, BATTERY A-3061-472-A AUDIO BOARD, COMPLETE 3-009-669-01 TERMINAL (+), BATTERY 3-009-670-01 TERMINAL (-), BATTERY 3-010-520-01 COVER, SW 3-009-662-01 COVER (A), MD... -
Page 15: Mechanism Section (Mt-Wmex550-125)
8-3. MECHANISM SECTION (MT-WMEX550-125) PM901 M901 HP301 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-011-277-01 COVER (B) (Y), MD X-3373-245-1 CHASSIS (S) ASSY (Y) 3-704-413-31 SCREW (M1.4X7.2) 3-007-455-01 SPRING (R), TORSION X-3372-850-1 PINCH LEVER (N) ASSY 3-007-458-01 SPRING (H/B), TENSION 3-007-434-01 PULLEY (REVERSE) 3-007-456-01 SPRING (N), TORSION... -
Page 16: Electrical Parts List
SECTION 9 AUDIO ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board naame. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark ! or... - Page 17 AUDIO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R213 1-216-809-11 METAL CHIP 1/16W R214 1-216-840-11 METAL CHIP 1/16W L101 1-412-011-31 INDUCTOR CHIP 27uH (EXCEPT US) L201 1-412-011-31 INDUCTOR CHIP 27uH R214 1-216-845-11 METAL CHIP 100K 1/16W L301...
- Page 18 Ver 1.1 2002.01 TUNER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-3016-925-A TUNER BOARD, COMPLETE 1-164-345-11 CERAMIC CHIP 0.082uF ********************** 1-115-156-11 CERAMIC CHIP 1-165-176-11 CERAMIC CHIP 0.047uF 3-012-429-01 HOLDER (LCD) 1-164-227-11 CERAMIC CHIP 0.022uF 1-104-847-11 TANTAL. CHIP 22uF <...
- Page 19 TUNER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > 1-216-833-11 METAL CHIP 1/16W 1-216-815-11 METAL CHIP 1/16W 1-216-864-11 METAL CHIP 1/16W 1-216-845-11 METAL CHIP 100K 1/16W 1-416-180-11 COIL (WITH CORE) (FM-OSC) 1-216-853-11 METAL CHIP 470K 1/16W 1-416-181-11 COIL (WITH CORE) (FM-MIX)
- Page 20 WM-FX551/FX553 TUNER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VARIABLE RESISTOR > ACCESSORIES & PACKING MATERIALS ******************************* 1-223-578-11 RES, ADJ, METAL GLAZE 22K 1-505-536-11 HEADPHONE (WITH REMOCON) < SWITCH > (FX553:EXCEPT US) 1-505-700-11 HEADPHONE, REMOCON(MDR-WME553)
- Page 21 WM-FX551/FX553 AEP Model E Model SERVICE MANUAL WM-FX551/FX553 US Model Canadian Model Ver 1.0 1998. 07 Tourist Model WM-FX553 CORRECTION-1 Correct your service manual as shown below. : indicates corrected portion. Page INCORRECT CORRECT Ref. No. Part No. Description 3-012-421-01 BUTTON (TU-CF) (FX551)
- Page 22 WM-FX551/FX553 MEMO...
- Page 23 WM-FX551/FX553 Printing Method for Large Sized Documents Such As Circuit Diagrams Printing the page that exceeds A4-size two pages (or letter size) is possible by specifying the print range. (Acrobat Reader Version 4.0 or later) 1. The enlarged print is made, if a smaller range than A4 size is specified and the A4 size is selected as a print paper.
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Page 24: Revision History
WM-FX551/FX553 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 1997.03...