Dicas Reparação




Modelo - Chassis D7S


Pesquisa: D7S Enviar Dica Resolvida
Resultados 6
Pedir dica reparação
MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyD7S
UNIT WILL NOT PLAY No focus search. This problem may have been caused byservicer after he replaced FOP. L504 was open and there was a soldershort under it which was causing Pins 18 and 20 of IC502 to be shortedtogether.
SonyD7S
NO AUDIO OUTPUT BUT TRACKS DISC OK No audio output, but unit tracks OK. PAM output missing fromIC301-17, but input good.
SonyD7S
CHARGED UP AND WILL NOT RUN MORE THAN ONE HOUR Battery will not run unit longer than 1 hr. Charged for 9 hrsunit ran for 35 min. Charged another BP-200 12 hrs, unit ran for 2 hrs.Checked D7S current drain 270mA. What is the charging time for theBP-200. How long should the D-7 run with a fully cha
SonyD7S
DISC WILL NOT SPIN The unit would not spin the disc. This was caused by thethrust screw coming loose and allowing the rotor to bind. Readjustmentresolved the problem. This is becoming a common problem with this unit.Depending on how far out of adjustment the thrust scre
SonyD7S
DISC MOTOR WOULD NOT TURN Disc motor would not turn. I found by removing drive belt, the motor would spin OK.
SonyD7S
NO PLAY Unit will not play. Found FOP would slide along shafts.Opening bottom cover found above part broken. Sample is being forwardedfor your inspection.


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.

Verifique se o esquema está disponível na área de downloads