Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyTCDD3
CAUTION INDICATOR REMAINS ILLUMINATED AFTER REPAIRS ARE MADE When the Caution indicator was illuminated prior to repairsbeing made to this model, it remains illuminated even after the repair ismade. This leads the technician to believe that the unit still has aproblem.
SonyGDM1936
BUZZING WHEN SCREEN IS ON When picture graphics appear on the screen, there is a buzz.The brighter the picture the louder the buzz.
SonyKPR53CX35
NO CONVERGENCE, REPLACED IC-5004 No convergence. R-5151 opened, R-5152 overdissipatedand opened. Thus, no +15V or -15V to sub amps or sub-out transistors.R-5089 also overdissipated and opened. Q-5001 and Q-5002 checked ok.Resistors R5152 and R5089 were replaced but overdissipated and op
SonySTRGX80ES
UNIT INOPERABLE AND VIDEO MONITOR LED ONLY IS ON Unit is inoperable with no display, no sound and only videomonitor orange LED is on.
SonyTCFX410R
NO AUDIO No audio.
SonyCCDF30
CAPACITOR DRIES OUT Varying symptom and intermittent. Picture is fuzzy like bador dirty V. head. Playback in slow mode (LP), like servo (ATF) problem.Sometimes when unit is cold, there is no picture. I've encountered thisproblem at least three times with PCB replacement.
SonyTCW235
UNIT WILL NOT GO TO SYNCRO DUBBING MODE 1. Play on A deck, sound is muted. 2. Play on B deck, soundis ok. 3. Syncro dubbing mode, high or normal speed mode, B deck will notrun. IC-701, 702 and 703 had been replaced by SSC technician.
SonySLHF550
L-CH WILL NOT WORK PROPERLY ON BETA-HIFI 1. No L-CH on pre-recorded tape. 2. Distorted L-CH on self-recorded tape (and low level). This seems to be easy because you can com-pare with L-CH and R-CH. IC-1 had been changed by SSC technician. Check-ed DC voltage and waveform is same on L and R.
SonyEVC3
WILL ONLY PLAY IN B/W Barely perceptible signal on Playback of known good tape.Determine normal RF, normal video at input to CC-24 board. Essentiallyno output, indicates no bias pins 4 and 10 IC-001.
SonyCCDF77
SNOWY PICTURE One field is extremely low and noisy on all tapes. Tracedproblem to defective RP-77 board. After replacing RP-77 board itstill had some snow. Replaced upper drum assembly A-7049-306-A.
SonyCCDF401
PICTURE IS BLURRY One field is missing. No improvement with head cleaning andabsolutely no RF envelope on missing field. IC-101 pin 29 does not passnoies input, RF SWP is present. Determine problem in RP-77 board.
SonyCCDF34
WILL NOT EJECT TAPE RM-95 indicates loading fault. Manually released tray andfound that the back tension arm was causing the mechanism to jam. It wascaught on the wrong side of the guide pin in the left loading track.
SonyCCDTR6
NO PICTURE IN CAMERA MODE No camera picture, iris failing to open and all other func-tions are normal. Confirm iris cannot be opened manually. Disassembleiris and determine substantial lubricant on lower tip of iris blade.
SonyCCDTR5
CAUTION LIGHT COMES ON DURING REWIND Noisy erratic rewind because the tape became slack in the tapepath. The RM95 displayed 00.03 service mode error. No error was shownduring unthreading. Determine multiple damaged teeth on arm assemblygear. Installed No. 256, 264, 207 and 206. This re
SonyCCDF56
NOT SHARP VIEW OR FOCUS Chroma only, little or no luminance, playback normal. CameraY appeared normal entering IC-401, but no output. Determined IC-401 isdefective.


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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