Dicas Reparação




Modelo - Chassis CCDTR4


Pesquisa: CCDTR4 Enviar Dica Resolvida
Resultados 76
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDTR44
NO EVF PIX (FOUND VF-87 BOARD LOADING DOWN EVF VIDEO SIGNAL) Unit had no EVF picture. Found problem to be caused by adefective VF-87 board which was loading down the signal from Q063 on theVC167 board. Could not find any obvious shorts on the VF-87 board.
SonyCCDTR44
DOOR WON'T CLOSE (MODE SWITCH BAD, MECH DID NOT EJECT FULLY) Cassette door would not close, because the mechanism did notfully eject the last time the tape was ejected. Found problem to becaused by a faulty mode switch.
SonyCCDTR44
NO EJECT (FOUND TENSION REG. REF 833 WAS JAMMIMG LS CHASSIS) The unit would not eject the tape. Found problem to be causedby the tension regulator plate which had come loose and was jamming the LSchassis.
SonyCCDTR44
NP FF OR REW (FOUND TEAR IN FP249) The unit would not rewind or fast forward. Found problem tobe caused by unit not sensing movement of the supply reel. This wascaused by a bad conection on FP249, caused by some sort of contact with asharp edge.
SonyCCDTR44
POOR FOCUS ON EVF (FOUND FOCUS RING ON CRT MOUNTED POORLY) The unit had poor focus on EVF. Found problem to be caused bythe focus ring being hot-glued to the CRT at an angle which preventedgood focus. This apparentlt occurred during manufacturing.
SonyCCDTR44
NO ZOOM (FOUND TAB WHICH FOLLOWS WORM GEAR DISLODGED) Lens would not zoom. After removing the zoom motor found thatthe inner tab which follows the worm gear on the motor shaft had twisted,preventing proper engagement with the worm gear.
SonyCCDTR44
DRUM IS UNUSUALY NOISY (TIGHTENED 3 SCREWS INSIDE OF DRUM) Drum made rubbing noise while spinning. After removing thebottom plate of the drum assy, found the 3 inner screws loose.
SonyCCDTR44
NO COLOR IN REC, E-E OK, PRE-REC OK (FOUND X701 BAD) Unit would not reord color. E-E color and playback ofpre-recorded tape color were OK. Found problem to be caused by X701 whichwas not put together properly.
SonyCCDTR44
INTERMITTENT NO POWER (FOUND COLD SOLDER ON J1 ON DD-80 MCB) Unit was intermittently dead. Found problem to be caused bycold solder on J1 of the DD-80 MCB.
SonyCCDTR44
EJECTS AFTER TRYING TO LOAD (REF 771 WAS JAMMED ON REF 752) After trying to load (with or without a tape) the unit wouldgo to eject mode. Problem was found to be caused by the pinch rollerassy, ref. 771, slipping over the base of the take-up guide assy., ref.752, causing these 2 parts to jam with each other.
SonyCCDTR44
EATS TAPES (FOUND TG4, REF. 765, WAS BENT) Unit would eat tapes. Found problem to be caused by TG4, ref.765, being bent.
SonyCCDTR44
NO POWER IN CAM MODE (FOUND DD-80 CN003 LOOSE FROM VC-167) Unit had no power in camera mode. Problem was caused by CN003of the DD-80 board which had come loose from the VC-167 board.
SonyCCDTR44
NO EVF PICTURE (FOUND POOR SOLDER ON CN901 ON THE VF-87 MCB) The EVF had no picture. The problem was found to be caused bypoor solder on CN901 on the VF-87 board.
SonyCCDTR44
LINES THROUGH PICTURE (FOUND POOR SOLDERING OF IC201) Customer complaint was lines through picture found camerapicture wad distorted. Problem was found to be caused by IC201 on theVC-167 MCB, which was poorly soldered. IC201 is the Y/C processor.
SonyCCDTR44
DEAD (FOUND LOOSE CONNECTIONS AROUND IC400) Unit was dead. Problem was found to be caused by looseconnections around IC400 on the VC-167 MCB.


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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