TCK611S Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
SonyTCK611S
PLAY TOO FAST - REPLACED CAPSTAN MOTOR M1053 Unit plays at speed 3168 hx on test tape 3 khs, M1053 cannotbe adjusted at the back, defective M1053/variable resistor shorted insidemotor.
SonyTCK611S
TWO SECONDS INTO PLAY UNIT SHUTS DOWN - IC1002 DEFECTIVE Unit shuts down a few seconds into the play mode. All otherfunctions work ok. Confirmed clean switching pulse on P4 of IC701 fromIC1002. Confirmed that S1001(rotary encorder) switch was ok. ReplacedIC701. Unit still shut down. Could manually rotate t