Dicas Reparação




Modelo - Chassis


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Resultados 81534
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDTR84
EATS TAPES (FOUND TENSION SPRING, REF. 781, HAD COME LOOSE) Unit eats tapes. Found problem to be caused by tension spring,ref. 781, coming loose.
SonyCCDTR84
DEAD (FOUND POOR SOLDERING ON CN003 ON DD-80 MCB) Unit was dead (would not even eject). Found problem to becaused by poor soldering of CN003 on the DD-80 MCB.
SonyCCDTR84
EJECTS IMMEDIATELY AFTER LOADING (REF # 752 WAS DISLODGED) Immediately after loading a tape, the unit would eject thetape. Found that the exit guide, ref. # 752, had come out of the track.
SonyCCDTR84
WON'T LOAD TAPE (FOUND DRUM WOULD NOT ROTATE; REPLACED DRUM) Unit would not load tape. Found that the drum had a tightspot which prevented it from rotating.
SonyCCDTR84
NO REW OR REVIEW, NOISE IN PLAY (MAGNET ON REEL CAME LOOSE) The unit had no rewind or review. Noise could be heard duringplay. Found problem to be caused by the magnet on the supply reel comingloose.
SonyCCDTR84
DEAD (FOUND LOOSE CONNECTOR BETWEEN POWER MCB & MAIN MCB) The unit was dead found a loose connector between the powerboard and the main board.
SonyCCDTR84
WON'T STAY IN RECORD (FOUND MODE SWITCH IN WRONG POSITION) Unit would not stay in record when the start/stop button waspressed. Found that the start/stop mode select switch was set in theposition which allows recordings to be made only while the start/stopswitch is held in. This is an operational feature of th
SonyCCDTR84
DEAD (FOUND BATTERY CONTACT J001 ON DD-80 MCB COLD SOLDERED) Dead. Found battery contact J001 on DD-80 MCB was coldsoldered.
SonyCCDTR84
WON'T THREAD (FOUND HIGH TAPE TENSION DUE TO REF 769 LOOSE) Unit would not thread tape. Found problem to be caused byratchet tension spring (ref. 769) coming dislodged from at the chassisend.
SonyCCDTR83
INT. DEAD, SHUT DOWN, LOCKUP (FOUND BAD SOLDER ON CN203) An ASC reported that the unit had intermittent functions, orwould shutdown or lock up. Problem was found to be caused by poor solderon CN203.
SonyCCDTR74
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.
SonyCCDTR74
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.
SonyCCDTR74
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.
SonyCCDTR74
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.
SonyCCDTR74
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.


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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