Dicas Reparação




Modelo - Chassis


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Resultados 81412
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDTR94
DEAD (FOUND LOOSE CONNECTIONS AROUND IC400) Unit was dead. Problem was found to be caused by looseconnections around IC400 on the VC-167 MCB.
SonyCCDTR94
NO EJECT (FOUND SOLDER BRIDGE ON FP249 SHORTING SENSOR H002) Unit would not eject. Found problem to be caused by a solderbridge on FP-249 (below the takeup reel). The bridge shorted reelhall sensor H002, preventing any reel pulses from being generated.
SonyCCDTR94
EATS TAPES (FOUND TESNSION SPRING, REF. 783 HAD COME LOOSE) Unit eats tape. Problem was found to be caused by tensionspring ref. 783, which had come loose.
SonyCCDTR94
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.
SonyCCDTR94
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.
SonyCCDTR94
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.
SonyCCDTR94
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.
SonyCCDTR94
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.
SonyCCDTR94
DEAD (FOUND LOOSE CONNECTOR BETWEEN POWER MCB & MAIN MCB) The unit was dead found a loose connector between the powerboard and the main board.
SonyCCDTR94
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
SonyCCDTR94
DEAD (FOUND BATTERY CONTACT J001 ON DD-80 MCB COLD SOLDERED) Dead. Found battery contact J001 on DD-80 MCB was coldsoldered.
SonyCCDTR94
NO THREAD, NO EJECT (FOUND HIGH TENSION, REF 769 WAS LOOSE) Unit would not thread tape. Found problem to be caused byratchet tension spring (ref. 769) coming dislodged from at the chassisend.
SonyCCDTR84
NO PIX IN EVF, ONLY VERTICAL LINE (FOUND BAD SOLDER ON L903) EVF had no horizontal scanning, resulting in only a verticalline displayed. Problem was found to be caused by bad solder on L903 onthe VF-102 board.
SonyCCDTR84
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.
SonyCCDTR84
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.


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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