Sony WM-20 Manuals

Sony WM-20 Manuals

Manuals and User Guides for Sony WM-20. We have 2 Sony WM-20 manuals available for free PDF download: Service Manual, Troubleshooting Manual

Sony WM-20 Service Manual

Sony WM-20 Service Manual (30 pages)

Brand: Sony | Category: Cassette Player | Size: 11.71 MB

Table of Contents

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Sony WM-20 Troubleshooting Manual

Sony WM-20 Troubleshooting Manual (19 pages)

Stereo cassette player

Brand: Sony | Category: Cassette Player | Size: 1.88 MB

Table of Contents

Table of Contents
1
General Precautions for Repair
2
No Operation
3
Noise When Battery Is Worn out {Less than 0,9V)
3
No Power
4
LED Does Not Light up .4
4
No Converter Operation
4
Converter Board Simple Check Method
4
No Muting
7
No Sound (FWD, but no Sound)
7
No Dolby
7
Low Level
7
Hum Noise During Playback
7
Noise on L CH
7
No Motor Rotation
9
Motor Coil Check Method
9
No Speed Acceleration
9
Defective Tape Transport I
16
Defective Tape Transport if
16
Repair Know How
18

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