Dicas Reparação




Modelo - Chassis CCDV8AFU


Pesquisa: CCDV8AFU Enviar Dica Resolvida
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDV8AFU
TAPE JAM Found brand new Maxell tape in machine would not eject. Unitsunable to load up. Load ring begins to bring tape around drum but hasinsufficient tape to complete cycle. -HQ COMMENTS: When there is insufficient leader tape threading ring willretract to u
SonyCCDV8AFU
P/N FOR EF-2 BOARD CABLE Needs P/N for cable (EV-1) attached to EF-2 board (see Page149, Ref. No. 128). -HQ COMMENTS: This cable is not available from Tokyo. Please remove onefrom a scrap unit or wire directly from EF-2 to ME-1 board.
SonyCCDV8AFU
DARK CAMERA PICTURE Dark camera picture when unit cold, after warm up unit played.
SonyCCDV8AFU
NO CHROMA RECORD Unit would record no chroma. Playback was OK.
SonyCCDV8AFU
NO AUTO FOCUS No auto focus because of open infra-red emitter diode.
SonyCCDV8AFU
HAIRLINE CRACKS IN PLASTIC NEAR SCREW HOLES Hairline cracks in plastic near screw holes. These cracksoccur immediately upon installation of handle to base.
SonyCCDV8AFU
INTERMITTENT NO PIX IN VIEWFINDER Intermittently no picture on viewfinder when camera poweredup. This would only occur at power up cold and would clear after a fewmins. Would not occur again all day. Found complete loss of 28 mHz osc.Play back picture fine.
SonyCCDV8AFU
PIX TEARS Picture tears and breaks up.
SonyCCDV8AFU
NO PIX No pix.
SonyCCDV8AFU
NO AUDIO FROM EARPHONE JACK No audio from earphone jack.
SonyCCDV8AFU
NO PLAY OR FF No play or FF.
SonyCCDV8AFU
NO EJECT Would not eject, entered modes at random including cylinderoverspeed and capstan overspeed, loading without tape, etc. Found noclock osc IC601 MC-4 board, no serial communication with IC601 SK-7 board.
SonyCCDV8AFU
NO VIDEO OUT OF CAMERA No video out of camera. Monitor screen showing blue raster.Video present at Pin 20 but never reaching output Pin 44. Replaced IC703,same problem. All input signals present according to block diagram.
SonyCCDV8AFU
SCRATCHING OF TAPE White line appears about 1/6 down from top of screen whenplaying pre-recorded tape. Problem did not show up until tape was rewoundand played back again. Unit was scratching tape on exit side of drumdue to the fact that guide #5 was not spinning. Upon
SonyCCDV8AFU
PS601 BLOWS Blows fuse PS601 on MC-4 board after 4 hours operation withAC-V8UC AC pack. Applying logic analyzer to E and B of regulator Q619received a positive pulse on both elements when the fuse blew.


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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