Dicas Reparação




Modelo - Chassis CCDTRV11


Pesquisa: CCDTRV11 Enviar Dica Resolvida
Resultados 34
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDTRV11
DEAD (FOUND MAJOR SHORT ON DC-DC CONVERTER MCB BLEW F002) No Power. Found that a major short on the DD-80 MCB wascausing F002 to blow.
SonyCCDTRV11
DEAD (FOUND BATTERY CONTACTS NOT EXTENDING THRU CABINET) The unit had no power. Found problem to be caused by thebattery contacts which were not extending through the cabinet, whichprevented contact with the battery.
SonyCCDTRV11
NO SPEAKER AUDIO (FOUND OPEN L304 ON CF-42 MCB) Unit had no speaker audio. Headphone and line-out audio wereO.K. Found L304 on the CF-42 MCB was open. This resulted in 2.4 VDCappearing on pin 16 of audio amp IC651, rather than the 4.7 VDC noted onthe schematic.
SonyCCDTRV11
DEAD, BUT UNIT DRAWS .25 AMPS CONSANTLY (FOUND X400 BAD) Unit appeared dead. However, it was constantly drawing .25amps from an external power supply. This current draw was found to becaused by mode control IC303 always outputting the VTR D-D ON signal, butthere was nothing wrong with IC303 itself. Problem


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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