Sony WALKMAN WM-EX610 Service Manual
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Sony WALKMAN WM-EX610 Service Manual

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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 a are trademarks
of Dolby Laboratories Licensing Corporation.
TE
L 13942296513
Frequency response (Dolby NR off)
Playback: 30 - 18 000 Hz
Output
Headphones (i jack)
Load impedance 8 - 300 Ω
Power requirements
1.5 V
Rechargeable battery
One R6 (size AA) battery
Dimensions (w/h/d)
Approx. 77.1 × 108.6 × 20.6 mm
www
.
http://www.xiaoyu163.com
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ao
u163
y
i
http://www.xiaoyu163.com
WM-EX610
2 9
8
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
Mass
Approx. 160 g
Supplied accessories
• Battery case (1)
• Stereo headphones or earphones with remote control (1)
• Battery charger (1)
• Rechargeable battery (NC-6WM, 1.2 V, 600 mAh, Ni-Cd) (1)
• Carrying pouch (1)
• Rechargeable battery carrying case (1)
Design and specifications are subject to change without notice.
co
.
9 4
2 8
AEP Model
UK Model
Chinese Model
Tourist Model
NEW
MT-WMEX610-162
0 5
8
2 9
9 4
2 8
m
CASSETTE PLAYER
9 9
9 9

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Summary of Contents for Sony WALKMAN WM-EX610

  • Page 1 http://www.xiaoyu163.com WM-EX610 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2000.10 Chinese Model Tourist Model Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism Licensing Corporation. Tape Transport Mechanism Type MT-WMEX610-162 “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.

  • Page 2: Table Of Contents

    LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE circuit board (within 3 times). COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS • Be careful not to apply force on the conductor when soldering APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS or unsoldering.

  • Page 3: Service Note

    http://www.xiaoyu163.com SECTION 1 SERVICE NOTE 3 7 63 1515 0 [Service Mode] The service mode enables to operate the mechanism of WM-EX610 3. FF, REW modes while the MAIN board is opened. Check that the PRE-SET status is set. Rotation of the idler gear (A) (S side) is detected using the photo- Connect square wave or sine wave to TP53 (P.
  • Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 [ Slider (NR) ] [ Tape drive mechanism ] Tape drive mechanism in PLAY mode Gear (NR) (FWD : Left side REV : Right side) Idler Gear Idler Gear (A)(S side) Slider (NR) (A)(T side) Gear Gear (REEL)(S side) (REEL)(T side)

  • Page 5: General

    http://www.xiaoyu163.com SECTION 2 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 EX615 BATT UK, Australian, and Other models Hong Kong model EX610 BATT L 13942296513 Plug in firmly. REW (–) FF (+) SOUND HOLD MODE Y•x HOLD HOLD...

  • Page 6: Playing A Tape

    To stop a single repeat, press it • For maximum performance we recommend that you • You cannot turn on/off the Dolby B NR function use a Sony alkaline battery. again. during fast-forward or rewind. Rechargeable Battery * If Y•x on the remote control is pressed during fast...

  • Page 7: Disassembly

    http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 Note : Follow the disassembly procedure as shown in the flow chart below. Case sub Motor (M901) Main board Belt (F4) assy Head, magnetic Ornament, Lever (NA)/(RA) Lid assy, Holder (FS) (HP901) reel assy, pinch...

  • Page 8: Main Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-2. MAIN BOARD 2 Remove soldering (four points) from the leaf switch. 5 Two Screws (M2.0) 3 Remove soldering (two points) S701 from plunger solenoid. 1 Remove soldering (six points) from the head flexible boards. 7 MAIN board Note : Be careful of the claw.

  • Page 9: Motor (M901)

    http://www.xiaoyu163.com 3 7 63 1515 0 3-4. MOTOR (M901) 1 Two screws (M1.4) 2 Motor (M901) L 13942296513 3-5. LID ASSY, CASSETTE 1 Screw (P1.4 × 2) 5 Lid assy, cassette 2 Two screws (M1.4 × 2) 3 Open the cassette lid. u163 4 Shaft —...

  • Page 10: Ornament, Reel

    http://www.xiaoyu163.com 3 7 63 1515 0 3-6. ORNAMENT, REEL 1 Ornament, reel Claw Note : Remove the assembly while removing the 5 claws and the boss carefully. Claw Boss Claw Claw Claw L 13942296513 3-7. HOLDER (FS) ASSY 2 Shaft 7 Bracket (cassette) assy 5 Lock Lever (S) 3 Lock Lever (B)

  • Page 11: Lever (Na)/(Ra) Assy, Pinch

    http://www.xiaoyu163.com 3 7 63 1515 0 3-8. LEVER (NA)/(RA) ASSY, PINCH Claw 1 Remove the pinch lever (RA) assembly in the direction of the arrow. Note : Be careful of the claw. 2 Remove the pinch lever (NA) assembly in the direction of the arrow. Note : Be careful of the claw.

  • Page 12: Mechanical Adjustment

    http://www.xiaoyu163.com SECTION 4 SECTION 5 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT 3 7 63 1515 0 PRECAUTION PRECAUTION Clean the following parts with a denatured-alcohol-moistened Specified voltage: 1.3 V (DC) swab: Switch position (MENU) playback head pinch roller : OFF rubber belts capstan AVLS : OFF...

  • Page 13: Diagrams

    http://www.xiaoyu163.com SECTION 6 DIAGRAMS 3 7 6 3 1 5 1 5 0 6-1. BLOCK DIAGRAM • SIGNAL PATH B+ SWITCH RIPPLE FILTER : PLAYBACK DDC B+ BATT B+ Q305 Q301 AUDIO MASTER AMP R-CH: Same as L-CH IC301 RF OUT BASE DOLBY NR AMP HP901...

  • Page 14: Ic Block Diagrams

    http://www.xiaoyu163.com WM-EX610 3 7 63 1515 0 6-2. IC BLOCK DIAGRAMS IC301 TA2123AF (EL) 36 35 – RF IN PW GND – OUT B PW B OUT C C-AMP SW 37 MT TC PW A PW C OUT A – BEEP 39 BEEP AMS OUT 40...

  • Page 15: Printed Wiring Board

    http://www.xiaoyu163.com WM-EX610 6-3. PRINTED WIRING BOARD 3 7 6 3 1 5 1 5 0 DATA REMO EXCEPT 1 3 9 4 2 2 9 6 5 1 3 • Semiconductor Location Note on Printed Wiring Board: • X : parts extracted from the component side. Ref.

  • Page 16: Schematac Diagram

    http://www.xiaoyu163.com WM-EX610 3 7 6 3 1 5 1 5 0 6-4. SCHEMATIC DIAGRAM Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. •...

  • Page 17: Ic Pin Function

    http://www.xiaoyu163.com 3 7 63 1515 0 6-5. IC PIN FUNCTION • MAIN BOARD IC701 ML63512-127TBZ060 (SYSTEM CONTROL) Pin No. Pin Name Description N.C. – Not used FWD SW Detection switch (S701) input terminal “L”: FWD CENTER SW Detection switch (S701) input terminal “L”: CENTER Detection switch (S701) input terminal “L”: REV REV SW Cassette detection switch (S901-1) input terminal...
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description AMS IN AMS detection signal input from TA2123F (IC301) “H”: No music LED AVLS Drive signal output for AVLS display Not used in this machine (empty terminal) LED BLSKIP Drive signal output for BL SKIP display Not used in this machine (empty terminal) LED MB Drive signal output for MG GRV display Not used in this machine (empty terminal)

  • Page 19: Exploded Views

    http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX, -X mean standardized parts, so they may • Color Indication of Appearance Parts Example: When indicating parts by reference number, have some differences from the original one. KNOB, BALANCE (WHITE) .

  • Page 20: Mechanism Deck Block

    http://www.xiaoyu163.com 3 7 63 1515 0 7-2. MECHANISM DECK BLOCK (MT-WMEX610-162) M901 PM901 L 13942296513 HP901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3378-354-2 HOLDER (FS) ASSY 3-029-274-01 RETAINER (F2), MOTOR X-3377-363-1 LEVER (RA) ASSY, PINCH 3-007-433-01 SHEET (N), REFLECTION 3-046-789-01 SPRING (HDA) X-3377-584-1 CHASSIS ASSY (F)

  • Page 21: 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 • CAPACITORS: When indicating parts by reference number, parts list may be different from the parts uF: µF please include the board name. specified in the diagrams or the components •...
  • Page 22 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < JACK > R209 1-216-821-11 METAL CHIP 1/16W R210 1-216-837-11 METAL CHIP 1/16W J301 1-779-867-11 JACK (REMOTE) R211 1-216-825-11 METAL CHIP 2.2K 1/16W R212...
  • Page 23 A-3052-265-A REMOTE CONTROL ASSY (RM-WME23) ************************************************************ The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. u163 Sony Corporation 2000J1656-1 9-873-013-11 Audio Entertainment Group Printed in Japan ©2000.10 — 28 —...

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