Dicas Reparação




Modelo - Chassis CM


Pesquisa: CM Enviar Dica Resolvida
Resultados 1253
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTCM121
MECHANICAL MODIFICATION When customer presses record button with no tape inserted,pressure of record lever assy. against chassis causes the lever retainingportion to break off. Since the retainer is part of the chassis assembly,the entire assy would have to be replaced.
SonyTCM600
ON REPLACING SWITCH R/PB switch actuates comes off of lever actuated by Recordlever that is supposed to change switch from play to record. Rivets thatattach arm to lever are apparently not long enough or not secured well.
SonyTCM121
LOCK PLATE SHAFT NEEDED LUBRICATION Auto stop was working intermittently.
SonyTCM111
CLUTCH SPRING CAUSES NOISE The mechanical vibrations of the creaking forward clutchwould be picked up by the build-in microphone when recording. The creak -creak - creak sound would be amplified and cause the audio AGC to dropdown. The playback would be of the creak - creak - cr
SonyTCM121
BRACKET ASSY OUT OF LOCATION This unit would eat tape because take up reel would not turn.The bracket assy was allowed to travel backwards (pulling against thespring) until it went past the plastic guide on the chassis assy. Onceit went past the guide, it could not come back forwar
SonyTCM121
BRACKET NEEDS BENDING No take-up in fwd play mode. The latch on the idler bracketsometimes doesn't go over the stub on the chassis but goes to the sideof it and jams there.
SonyTCM121
DEFECTIVE IC'S 4140, UPB4011 No playback and no record.
SonyTCM121
BELT JUMPS OFF MOTOR Belt jumps off motor pulley due to lubricant getting on belt.


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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