Sony WM-EX527 User Manual

SERVICE MANUAL
CASSETTE PLAYER
E Model
SPECIFICATIONS
WM-EX527
Ver 1.0 2003.01
9-874-279-01 Sony Corporation
2003A0500-1 Personal Audio Company
C 2003.01 Published by Sony Engineering Corporation
Model Name Using Similar Mechanism WM-EX526
Tape Transport Mechanism Type MT-WMEX505-162
Battery life* (Approx. hours)
Sony alkaline LR6 (SG)**
Tape playback 35
*Measured value by the standard of JEITA(Japan Electronics
and Information Technology Industries Association) (Using
a Sony HF series cassette tape).
**When using a Sony LR6(SG) “STAMINA” alkaline dry
battery(produced in Japan).
Note
• The battery life may be shorter depending on the
operating condition, the surrounding temperature
and battery type.
• Frequency response
Playback: 30 - 18 000 Hz
• Output
Headphones (i jack)
Load impedance 8 – 300 1
• Power requirements
1.5 V
One R6 (size AA) battery
• Dimensions (w/h/d)
Approx. 78.1 x 108.0 x 28.1 mm (excluding projecting parts
and controls)
• Mass
Approx. 161 g (main unit only)
•Supplied accessories
Stereo headphones or earphones with remote control (1)
Design and specifications are subject to change without notice.
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony WM-EX527 Specifications

General

Type	Cassette Player
Brand	Sony
Model	WM-EX527
Headphones	Not included
Power Supply	2 x AA batteries
Features	Dolby B Noise Reduction
Playback Functions	Play, Stop, Fast Forward, Rewind
Headphone Output	3.5 mm
Battery Life	Approx. 24 hours (with alkaline battery)
Weight	Approx. 170g (including battery)

Summary

Servicing Notes

Setting

Procedure for setting the device for servicing operations.

Preset state

Disassembly

DISASSEMBLY FLOW

Sequential steps for disassembling the device.

CASSETTE LID ASSY

Procedure for removing the cassette lid assembly.

CASE BLOCK ASSY

Procedure for removing the case block assembly.

BATTERY HOLDER

MAIN BOARD

Procedure for removing and handling the main board.

MOTOR (CAPSTAN/REEL) (M901)

Procedure for removing the motor assembly.

PINCH LEVER (N) ASSY, PINCH LEVER (R) ASSY

MAGNETIC HEAD (PLAYBACK) (HP901)

Mechanical Adjustments

TORQUE MEASUREMENT

Electrical Adjustments

PRECAUTION

TAPE SPEED ADJUSTMENT

Procedure for calibrating tape playback speed.