Dicas Reparação




Modelo - Chassis TCK55


Pesquisa: TCK55 Enviar Dica Resolvida
Resultados 6
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTCK555
NEW MOTOR DOES NOT TURN After replacing the capstan motor (M2), the new motor does notturn.
SonyTCK555
GROUND SHORT The left channel looses record amplitude intermittently.The ground shield between the record and playback boards shorts againstRV301, the left channel record level control.
SonyTCK555
DEFECTIVE IC202 Unit would go into REC mode, however reel tables would notturn and it would eat tapes. Found that B+ (10V) to board was low.Isolated problem to shorted IC202.
SonyTCK555
DIRTY PINCH ROLLER This unit exhibited excessive wow and flutter. Inspection ofthe pinch roller revealed little spots of what looked to be LOCKTIGHT.This same problem has been found on two other units.
SonyTCK55
DEFECTIVE RELAY Right channel meter erratically PEGS accompanied by loud hum.
SonyTCK55II
DEFECTIVE REMOTE CHIP Unit functions jammed in rewind mode voltages on Pin 33 was0.37 volts. Rewind mode voltage should read 10 volts. Voltages ofremote chip Pins 9, 5, 11 and 7 were 1.9V also should be 10 volts.Remote chip affected total operation of tape deck.


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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