Dicas Reparação




Modelo - Chassis


Pesquisa: Enviar Dica Resolvida
Resultados 77937
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyICFC310W
MODIFICATION FOR BUZZER LEVEL Alarm level very low.
SonyICFC11W
CLEAN AND ADJUST SWITCH Alarm set time shows upon auto buzzer.
SonyICF7600
LOOSE DIAL INDICATOR Dial indicator needle disconnects from the dial string. Theunit will continue to tune radio stations but customer is unable todetermine the station from the indicator.
SonyCFS71
LUBRICATION IN SWITCH ASSY NEEDED When the Fast Fwd/Rewind switch is activated by the switchlever assy, binding of the two nylon pieces can occur. This causes themuting switch to stay in the ON position. The audio is then greatlyreduced. This condition occurs most often when the AMS f
SonyCFM23
DEFECTIVE MOTOR Tape speed slowing - occasionally decrease in current tomotor. Same decrease on external DC input.
SonyTFM7720W
BROKEN CONNECTION ON CONTROL Volume control has no effect on volume - volume remains loud.Removed volume control and it was working properly.
SonyTFM7720W
COLD SOLDER No AM on low end.
SonyTFM6160W
LOOSE PULLEY The tuning dial does not work. The pulley near the speakerpulls loose causing the dial string not to work.
SonyTCS300
IDLER OUT OF POSITION Spindle assy take-up reel will not turn in playback or recordonly.
SonyTCK81
BACK TENSION TORQUE ADJUSTMENT Back tenstion and tape path was incorrect. Complaint of tapewrinkle on maxell tape.
SonyICK81
STEEL BALL OUT OF PROPER LOCATION Tape jammed. Found head deck wouldn't retract properly.
SonyTCK65
DEFECTIVE IC802 After operating approx. 1.5 to 3 hrs, the transport willstop - rewind - stop. The LED display will then indicate 1 and none ofthe function switches have any effect. This is with RMS off, with RMS on- cannot be programmed. Found Pins 12, 13, 15, 16 of
SonyTCK5
MISSING BUSHING Both of these units came in with excessive wow and flutter.What causes this is the absence of a bushing which holds motor switchlever in place. Without this bushing motor lever is allowed to movefreely and ends up meshing with the teeth on supply gear c
SonySTRV55
LEAKY C412 AM and FM very slow to lock on station - then drifts offagain. Tantalum capacitor C412 in LPF was leaky.
SonySTRV45
DEFECTIVE C412 Tuning incorrect - AM station at 920 kHz, tuned in at1600 kHz. No local on 1600 kHz. FM tuning out of band and picking upmicroprocessor RFI.


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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