Dicas Reparação Sony







Pesquisa: Sony

Resultados 18974

MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCCDF55NO PICTURE AND SOUND PLAYBACK No picture and sound during playback. Found screw No. 26,page 102 too long which causes FP-247 damage at the middle (open pinNo. 11 and No. 12).
SonyCVPG500UNIT DOES NOT PRINT The bracket just above reference number 211 on page 105 ofthe CVPG500 service manual was bent at the point where the post goes intoreference number 204.
SonyGV8DISTORTED VIDEO DURING PLAYBACK Distorted video playback. Record was fine. Appeared tobe loosing sync partially and tearing in picture.
SonyD15HYPERACTIVE SLED MOTOR CAUSING SKIPPING Skipping - overactive sled motor. Replaced laser, servo ICs,and even boards to no avail.
SonyCCDF55DISTORTED PICTURE, LOOKS LIKE CLOGGED HEADS Picture looks like bad heads.
SonyCCDF33NO VIDEO OUT - CAMERA MODE Iris closed, no output from drive IC807. When pin 6 ofIC-807 was taken low, the iris opened.Proper operation of the Iris detect circuit was verified by biasing ONQ-644, Q-611 and Q-609. However, Q-609 collector stayed at 4.8 V.Found R-626 at the emitte
SonyKV20EXR10CLOCK IS RUNNING FAST, SEE SERVICE BULLETIN 87R1 Clock is running fast, gaining about 1 hour 50 minutes a day. -HQ COMMENTS: Please see Service Bulletin number 87R1 for additionalinformation .
SonyCFSD960FAST FOWARD SLIPPING When FF a tape from beginning, the movement is smooth. How-ever, the T/U reel gets full, the limiter assembly number 519 looses firmcontact with reel gear number 530. There is gear grinding then eventuallyno more movement. -HQ COMMENTS: Tokyo has been
SonyXR7200UNIT DEAD Unit dead, tape operates. No display or audio.
SonyCFD68STRIPPED GEAR - REF202 Gear has two teeth tracks. Smaller set at center of gear hashad teeth broken off all around. No proof, but appears the problem is dueto an intermittent limit switch. FOP will come in to read T.O.C. andsled motor will continue to run, causing gear to sh
SonyCCDG1SDEAD DC DC convertor would not turn on. Placing 4 volts DC onoutput of IC-431 caused the unit to work.
SonyKV27XBR10INTERMITTENT VERTICAL COLLAPSE, REPLACED THE ARCING CRT This unit had a vertical collapse problem due to static sig-nals getting into the jungle IC-301. One way to isolate the problem isto monitor vertical drive of pin 31 of IC-301 with a scope. Made a note ofthe interuption of the vertical signal of pin 31.
SonyKV2675RRELAY CHATTERS, C-609 OPEN When unit is turned on, relay chatters and shuts down.Replaced relay and traced to C-609 which was defective.
SonyTAE77ESDDIGITAL INPUT DOES NOT FUNCTION Digital input 1 and 2 do not function. All other inputs checkOK.
SonyKV2785RINTERMITTENT START-UP, REPLACE R-655 Set would occasionally not come on. No output from powersupply. Component inspection of GA board showed R-655 increased invalue to at 2.0 meg.



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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