Dicas Reparação




Modelo - Chassis EVS700U


Pesquisa: EVS700U Enviar Dica Resolvida
Resultados 37
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(Chassis)
SintomaCausaSoluçãoPor:
SonyEVS700U
INTERMITTENTLY TAKE UP AFTER PAUSE RELEASED Item #371 on page 155 of S/M rubbing against a piece ofbad molding beneath it.
SonyEVS700U
NO BRAKING FROM FF OR REW (TAPE JAM) When stopping unit from FF or REW, tape jams (no braking).
SonyEVS700U
MISSING PART NUMBER (RUBBER FEET) No part number listed for the rubber feet in this model. -HQ COMMENTS: Part number is given on page 150, Ref. #107, P/N3-670-155-11. There is currently stock in KC, so you should have nofurther problems.
SonyEVS700U
INTERMITTENT NOISE DURING PCM PLAYBACK After warm up excessive intermittent noise appear on tracks ofPCM playback. RV102 very sensitive. IC103 & D101 temperature dependent.
SonyEVS700U
NOISY PICTURE WHEN UNIT IS HOT When unit is hot, unit records & plays back noisy recordings.RF envelope OK, compared to good unit. When unit is cold picture appearsOK. When drum/motor ass'y is heated externally the picture deteriorates.This is the second unit to have this problem sh
SonyEVS700U
NO OPERATION Unit will go into eject mode but accept no other functions.If in eject mode already with the cassette door open, the compartment willnot close unless power is removed. System control IC101 revealed very lowDC, about 1.4VDC, at Pins 12 and 15. No regula
SonyEVS700U
CLOGGED HEAD This unit had a snowy picture.


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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