1. Manuals
  2. Brands
  3. Sony Manuals
  4. Cassette Player
  5. Walkman WM-EX2000
  6. Service manual

Sony WM-EX2000 Service Manual

Hide thumbs Also See for WM-EX2000:
Table of Contents

Advertisement

Quick Links

See also: Service Manual
QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2000. 10
Manufactured under license from Dolby Laboratories
Licensing Corporation.
"DOLBY" and the double-D symbol ; are trademarks
of Dolby Laboratories Licensing Corporation.
TE
L 13942296513
Frequency response
(Dolby NR off)
Output
Power requirements
Dimensions (w/h/d)
Mass
www
.
http://www.xiaoyu163.com
Playback: 30 – 18,000 Hz
Headphones (i jack)
Load impedance 8 – 300 Ω
1.2 V
One rechargeable battery
Approx. 76.3 × 108.4 × 17.5 mm
× 4
×
(3
1
/
3
/
23
/
inches)
8
8
32
Approx. 145 g (5.2 oz.)
x
ao
u163
y
i
http://www.xiaoyu163.com
WM-EX2000
2 9
8
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Q Q
SPECIFICATIONS
3
6 7
1 3
1 5
Supplied accessories
Design and specifications are subject to change without notice
co
.
9 4
2 8
E Model
Chinese Model
Tourist Model
NEW
MT-WMEX2000-162
0 5
8
2 9
9 4
2 8
Stereo headphones or earphones with
remote control (1)
Battery charging stand (1)
AC power adaptor (1)
Rechargeable battery (NH-14WM (A),
1.2V, 1 350 mAh (MIN), Ni-MH) (1)
Rechargeable battery carrying case (1)
Carrying pouch (1)
m
CASSETTE PLAYER
9 9
9 9

Advertisement

Table of Contents
loading

Related Manuals for Sony WM-EX2000

Summary of Contents for Sony WM-EX2000

  • Page 1 WM-EX2000 3 7 63 1515 0 SERVICE MANUAL E Model Chinese Model Ver 1.0 2000. 10 Tourist Model Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism Licensing Corporation. Tape Transport Mechanism Type MT-WMEX2000-162 “DOLBY” and the double-D symbol ; are trademarks of Dolby Laboratories Licensing Corporation.

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Service Note

    SERVICE NOTE 3 7 63 1515 0 [Service Mode] The service mode enables to operate the mechanism of WM-EX2000 2. PRE-SET status while the MAIN board is opened. The set must be in this state before the PLAY, FF and REW modes Rotation of the idler gear (A) (S side) is detected using the photo- can be entered.
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 [ Slider (NR) ] slider (NR) F side flywheel F side center R side [ Rotational system ] 2. Rotational System of FF Mode 1. Rotational System of PLAY Mode idler gear (A) (S side) gear (reel) (T side) idler gear (A) (T side) gear (reel) (T side)

  • Page 5: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 • The equipment can be removed using the following procedure. Ornament (OPEN) "Switch, Leaf (S704)" Lid Assy, Cassette Case Block Assy Belt (F0), Motor (M601) Block Assy Main Board Holder Assy Pinch Lever (N2)/(R2) Assy Magnetic Head (HP701) Note :...

  • Page 6: Ornament (Open) Block Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 3-3. ORNAMENT (OPEN) BLOCK ASSY Ornament (open) block assy L 13942296513 Mechanism deck block 3-4. “SWITCH, LEAF (S704)”, MAIN BOARD 4 Unsolder the 4 places. × 1 Screw (M1.7 0 Claw × 5 Screw (M1.4 6 Switch leaf (S704) 7 Unsolder the plunger.

  • Page 7: Belt (F0), Motor (M601)

    http://www.xiaoyu163.com 3 7 63 1515 0 3-5. BELT (F0), MOTOR (M601) 1 Belt (F0) × 2 Two screws (M1.4 2.7) 4 Motor (M601) 3 Retainer (F1) motor Belt (F0) L 13942296513 3-6. HOLDER ASSY 8 Screw (M1.4 × 2) 0 Bracket (cassette) assy qa Remove soldering from Head flexible board.

  • Page 8: Pinch Lever (N2)/(R2) Assy

    http://www.xiaoyu163.com 3 7 63 1515 0 3-7. PINCH LEVER (N2)/(R2) ASSY Claw 2 Remove the pinch lever (N2) assy in the direction of the arrow. Note: Be careful of the claw Claw 1 Remove the pinch lever (R2) assy in the direction of the arrow.

  • Page 9: Mechanical Adjustment

    WM-EX2000 SECTION 4 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENT DIAGRAMS 3 7 6 3 1 5 1 5 0 6-1. BLOCK DIAGRAM PRECAUTION PRECAUTION Clean the following parts with a denatured-alcohol-moistened • Supplied voltage : 1.3 V swab : •...

  • Page 10: Printed Wiring Board

    WM-EX2000 3 7 6 3 1 5 1 5 0 6-2. PRINTED WIRING BOARD MAIN S704-1 S704-2 BOARD TAPE IN SWITCH SWITCH (SIDE B) J301 IC702 DRY BATTERY PM701 MAIN BOARD SIZE "AA" (SIDE A) (PLUNGER) (IEC DESIGNATION R6) RECHAGEABLE BATTERY 1PC, 1.5V...

  • Page 11: Schematic Diagram (1/2)

    WM-EX2000 3 7 6 3 1 5 1 5 0 6-3. SCHEMATIC DIAGRAM MAIN (1/2) SECTION • Refer to page 21 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 Note on Schematic Diagram: •...

  • Page 12: Schematic Diagram (2/2)

    WM-EX2000 3 7 6 3 1 5 1 5 0 6-4. SCHEMATIC DIAGRAM MAIN (2/2) SECTION • Refer to page 22 for IC Block Diagrams. • Refer to page 23 for IC Pin Function Description. • Waveform IC601 456...

  • Page 13: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 6-5. IC BLOCK DIAGRAMS IC301 TA2123AF 36 35 32 31 28 27 26 – CAMP SW RF IN MT TC PW GND – BEEP PW OUT R BEEP AMS OUT PW OUT C NT SW PW OUT L –...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 IC601 LB1994M M CENTER BUFFER COMPARATOR BUFFER 13 PW P-SIG COMPARATOR D/DT PULSE 12 CI 11 Vref POWER W OUT CURRENT V OUT U OUT SOFT CLIP 10 P SIG PW•SW CTRL BLOCK DECODER 4 5 6 L 13942296513 IC703 MM1305BWBE...

  • Page 15: Ic Pin Function Description

    http://www.xiaoyu163.com 3 7 63 1515 0 6-6. IC PIN FUNCTION DESCRIPTION • IC705 ML63514-023TBZ060 (SYSTEM CONTROL) Pin No. Pin Name Description AUDIO ATT Audio ATT circuit control output. L=OFF. H=ON (during CUE/REVIEW) FWD SW MD MODE SW (FWD). L=ON CENTER SW MD MODE SW (CENTER).

  • Page 16: Exploded Views

    http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX, -X mean standardized parts, so they may • Hardware (# mark) list and accessories and have some differences from the original one. packing materials are given in the last of this parts •...

  • Page 17: Mechanism Deck Block

    http://www.xiaoyu163.com 3 7 63 1515 0 7-2. MECHANISM DECK BLOCK PM701 M601 HP701 L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3377-589-1 HOLDER (FA) ASSY /M 3-029-765-01 SCREW (M1.4), TOOTHED LOCK X-3377-995-1 LEVER (R2) ASSY, PINCH X-3379-421-1 FLYWHEEL (R) ASSY X-3377-994-1 LEVER (N2) ASSY, PINCH 3-029-883-01 RETAINER (F1), MOTOR...

  • Page 18: Electrical Parts List

    http://www.xiaoyu163.com SECTION 8 MAIN ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in the • RESISTORS • SEMICONDUCTORS parts list may be different from the parts All resistors are in ohms. In each case, u: µ, for example: specified in the diagrams or the components METAL: metal-film resistor uA...: µA...
  • Page 19 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > R106 1-218-955-11 RES-CHIP 1.5K 1/16W R107 1-218-955-11 RES-CHIP 1.5K 1/16W IC301 8-759-579-12 IC TA2123AF(EL) R108 1-218-969-11 RES-CHIP 1/16W IC302 8-759-597-24 IC NJM2190V(TE2) R109...
  • Page 20 WM-EX2000 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R611 1-218-983-11 RES-CHIP 330K 1/16W ACCESSORIES & PACKING MATERIALS R612 1-218-989-11 RES-CHIP 1/16W ******************************** R613 1-218-989-11 RES-CHIP 1/16W R614 1-218-977-11 RES-CHIP...

Table of Contents