Sony WM-EX194 Service Manual
Hide thumbs
Also See for WM-EX194:
- Operating instructions (2 pages) ,
- Operating instructions (2 pages) ,
- Operating instructions (2 pages)
Table of Contents
Advertisement
Quick Links
WM-EX194/EX196
SERVICE MANUAL
Ver 1.0 2004. 10
Power requirement
• Two R6 (size AA) batteries: 1.5 V DC x 2
• External DC 3 V power sources (WM-EX196 only)
Dimensions
83.7 x 111.5 x 28.4 mm (w/h/d) excl. projecting parts and controls
Mass
Approx. 115 g (main unit only)
Supplied accessories
Stereo headphones or Stereo earphones (1)/Belt clip (1)
Design and specifications are subject to change without notice.
Sony Corporation
9-879-258-01
Personal Audio Company
2004J02-1
© 2004.10
Published by Sony Engineering Corporation
Photo : WM-EX196
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Battery life* (approximate hours)
Sony alkaline LR6 (SG)**
playback
25
*
Measured value by the standard of JEITA (Japan Electronics and
Information Technology Industries Association). (Using a Sony
HF series cassette tape)
** When using Sony LR6(SG) alkaline dry batteries (produced in
Japan).
Note
The battery life may be shorter depending on the operating condition,
the surrounding temperature and battery type.
E Model
WM-EX190/EX192
MT-WMEX192-114
Sony R6P (SR)
7.5
CASSETTE PLAYER
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Sony WM-EX194
Summary of Contents for Sony WM-EX194
-
Page 1: Specifications
Information Technology Industries Association). (Using a Sony Supplied accessories HF series cassette tape) Stereo headphones or Stereo earphones (1)/Belt clip (1) ** When using Sony LR6(SG) alkaline dry batteries (produced in Japan). Design and specifications are subject to change without notice. Note The battery life may be shorter depending on the operating condition, the surrounding temperature and battery type. -
Page 2: Table Of Contents
WM-EX194/EX196 TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270°C Specifications ................1 during repairing. • Do not touch the soldering iron on the same conductor of the GENERAL ..............2 circuit board (within 3 times). -
Page 3: Disassembly
WM-EX194/EX196 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-5. MECHANISM DICK 2-2. CABINET (REAR) 2-3. MAIN BOARD (MT-WMEX192-114) (Page 3) (Page 4) (Page 5) 2-6. BELT, DC MOTOR (M901) 2-4. CASSETTE LID ASSY... -
Page 4: Main Board
WM-EX194/EX196 2-3. MAIN BAORD 1 remove the solders (eight places) 2 screw (M1.4) 5 MAIN board 3 claw 2-4. CASSETTE LID ASSY 3 release the catch 4 spring (torsion) 1 open the cassette lid 5 cassette lid assy 2 release... -
Page 5: Mechanism Deck (Mt-Wmex192-114)
WM-EX194/EX196 2-5. MECHANISM DECK (MT-WMEX192-114) 3 mechanism deck (MT-WMEX192-114) 1 two claws 2-6. BELT, DC MOTOR (M901), PINCH LEVER (N) ASSY, MAGNETIC HEAD (HP901) 5 two screws (M1.4) 6 magnetic head (playback) (HP901) 2 two screws (M1.4) belt threading 4 pinch lever (N) assy... -
Page 6: Mechanical Adjustment
WM-EX194/EX196 SECTION 3 SECTION 4 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT PRECAUTION PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened 1. Specified voltage: 3 V (DC) swab: 2. Switch position playback head pinch roller AVLS switch : NORM rubber belts capstan... -
Page 7: Diagrams
WM-EX194/EX196 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM AVLS NORM LIMIT S305-2 S305-1 S303 MEGA BASS V REF BOOST RV301 VOLUME J301 HP901 PLAYBACK HEAD FWD/REV V REF M901 REEL/CAPSTAN MOTOR OPERATION OPERATION PULSE LOGIC DRIVE MVREF CURRENT TH601 POWER MUTE... -
Page 8: Printed Wiring Boards
WM-EX194/EX196 5-2. PRINTED WIRING BOARD : Uses unleaded solder. MAIN BOARD DRY BATTERY SIZE "AA" TP10 (IEC DESIGNATION R6) 2PCS, 3V TP11 R209 J301 TP17 R109 TP18 EX196 J302 DC IN 3V R327 EX194 R207 TH601 TP15 R601 NORM JC21... -
Page 9: Schematic Diagram
WM-EX194/EX196 5-3. SCHEMATIC DIAGRAM • See page 10 for IC Block Diagrams. WM-EX194/EX196... - Page 10 WM-EX194/EX196 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • IC BLOCK DIAGRAMS For schematic diagrams. For printed wiring boards. IC301 LB8115W-NA/NB-TLM-E Note: Note: • All capacitors are in µF unless otherwise noted. (p: pF) • X : parts extracted from the component side.
-
Page 11: Exploded Views
WM-EX194/EX196 SECTION 6 EXPLODED VIEWS NOTE: • Color Indication of Appearance Parts Example: • -XX, -X mean standardized parts, so they may KNOB, BALANCE (WHITE) . . . (RED) have some differences from the original one. ↑ ↑ • Items marked “*” are not stocked since they Parts of Color Cabinet’s Color... -
Page 12: Main Board Section
WM-EX194/EX196 6-2. MAIN BOARD SECTION Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-019-943-01 BUTTON (REW) 3-921-955-01 SCREW (M1.4), TOOTH (WH) 3-019-941-02 BUTTON (PLAY) A-1084-712-A MAIN BOARD, COMPLETE (EX194) 3-019-942-01 BUTTON (FF) A-1084-716-A MAIN BOARD, COMPLETE (EX196) -
Page 13: Mechanism Section-1 (Mt-Wmex192-114)
WM-EX194/EX196 6-3. MECHANISM DECK SECTION-1 (MT-WMEX192-114) HP901 (included in supplied M901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3378-976-1 PINCH LEVER (N) ASSY 3-013-560-11 BELT 3-704-197-01 SCREW (M1.4), SPECIAL HEAD HP109 1-500-640-11 HEAD, MAGNETIC (PLAYBACK) -
Page 14: Mechanism Section-2 (Mt-Wmex192-114)
WM-EX194/EX196 6-4. MECHANISM DECK SECTION-2 (MT-WMEX192-114) (including Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-921-797-01 WASHER 3-921-335-03 WASHER, LEVER X-3378-363-2 CHASSIS ASSY (GL/O-99) 3-920-990-13 SPRING (UD), COMPRESSION 3-938-628-01 SPRING (PLAY-CP) 3-019-774-01 GEAR (BS) 3-019-773-01 GEAR (AS) -
Page 15: Electrical Parts List
WM-EX194/EX196 SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • RESISTORS • Due to standardization, replacements in the number, please include the board. All resistors are in ohms. parts list may be different from the parts... - Page 16 WM-EX194/EX196 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JC21 1-216-296-11 SHORT CHIP R610 1-216-821-11 METAL CHIP 1/10W JC22 1-216-296-11 SHORT CHIP R611 1-216-817-11 METAL CHIP 1/10W JC23 1-216-296-11 SHORT CHIP JC24 1-216-296-11 SHORT CHIP <...
- Page 17 WM-EX194/EX196 MEMO...
-
Page 18: Revision History
WM-EX194/EX196 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...
Need help?
Do you have a question about the WM-EX194 and is the answer not in the manual?
Questions and answers