Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
Resultados 18945
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(Chassis)
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SonyKV27EXR10
NO PICTURE SLEEP LIGHT ON, REPLACE C-500 Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver
SonyKV20EXR10
NO PICTURE SLEEP LIGHT ON, REPLACED C-500 Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver
SonyKV32XBR65
PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op
SonyKV32XBR50
PINCUSHION DISTORTION, COLDERED SOLDER JOINT D-512 No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op
SonyKV32XBR15
PINCUSHION DISTORTION, REPLACED R571,L501,D512 COLD SOLDERED No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op
SonyKV27HSR10
PINCUSHION DISTORTION, COLD SOLDER JOINT AT DAMPER CIRCUIT No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op
SonyKV27XBR50
PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op
SonyXR7180
ERRATIC TAPE FUNCTIONS AND DISPLAY, NO AUDIO No display, no AM, no FM tape runs but just auto-reverses.
SonyMDP210
CORRECTION TO SERVICE MANUAL, RF PLL FREERUN ADJUSTMENT On page 130 of the MDP-210 Service Manual, item 7-9-3, itlists the measurement point as IC-003 pin 70. IC-003 is an 8-pin chip.
SonySEQ555ES
WILL NOT POWER UP Unit doesn't power up. Relay wouldn't close and there was noillumination on front panel. Standby supply working. Limited activity onkey matrix. Seemed micros were not communicating properly.
SonySLV575UC
WHITE STREAKS - DROP OUTS The playback picture was full of white streaks and drop-outs.The problem was caused by the static brush on the top of the drum. Weused a little emery and a drop of lubricant to resolve the problem. Thereis no number in the service manual for this part.
SonyCDPC5F
FAULTY PLAY This unit would only play disc in No. one position. It wouldrecognize all discs, but when called to play another it always goes backto position one.
SonyCCDF36
DOES NOT REWIND WITH 120 MINUTE TAPES Would rewind 60 min. tapes but not 120 min. tapes. Determinedthat slower rotation of reel tables with 120 min. tape let reel FG pulsesgo too low.
SonyCDXR79
NO FUNCTIONS, ALL LCD SEGMENTS ILLLUMINATED CONSTANTLY Unit sent to Dallas SSC from authorized servicer who wasunable to cure a disc loading problem. When checked by Dallas technician,the unit was inoperative except for LCD segments being lit constantly. Ifthe deck is disconnected from the unit all other f
SonyCDPC705
TURNTABLE CONTINUALLY ROTATES The turntable continually rotated. All front panel controlswere inoperative. We found the problem to be a poor connection at IC-302/pin 42. Resoldering resolved the problem.


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Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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