Dicas Reparação




Modelo - Chassis EVA300U


Pesquisa: EVA300U Enviar Dica Resolvida
Resultados 6
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SonyEVA300U
TAPE PATH ADJUSTMENT UNSTABLE When attempting to make the tape path adjustments, I found Icould not make the waveform square especially toward the entrance portionof the waveform. The picture in the play mode was fine but in pause thetop portion was distorted or torn.
SonyEVA300U
UNIT ENTERS SHUTDOWN MODE When play button is pressed, unit enters shutdown mode. Inoticed that the pinch roller was not engaging the capstan shaft. Inspec-tion revealed that the pinch press lever was jammed.
SonyEVA300U
INTERMITTENT SHUTDOWN Unit shuts down intermittently.
SonyEVA300U
INCOMPLETE REPLACEMENT BOARD After replacing SS-38B Bd., the remote control worked inter-mittently. While in PLAY, if search button was held down the unit wouldgo into scan for about 1/2 sec. This would repeat about every 3 sec. Intracing the remote signal from the Timer board to
SonyEVA300U
ERRATIC VIDEO Unit had erratic video. Found problem to be bad heads.
SonyEVA300U
TAPE TRANSPORT INOPERATIVE Tape transport functions inoperative. Mode and load controlmotors and switches check good with checker box. Could not get an outputcommand from microprocessor to run these motors even though the inputs toCPU check good. I found that every other functi


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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