Search: TFM7720W
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TFM7720W Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYTFM7720W
Defective oscillatorNo fm. all voltages looked good. all transistor wereconducting. osc. was not working.
SONYTFM7720W
Broken connection on controlVolume control has no effect on volume - volume remains loud.removed volume control and it was working properly.
SONYTFM7720W
Cold solderNo am on low end.
SONYTFM7720W
Break in pcbSound is unclear.
SONYTFM7720W
Broken connection on antennaNo a.m.