Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
Resultados 18938
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySLHF300
LEFT CH DISTORTION ON BETA HIFI PLAYBACK ONLY Left channel distortion on Beta HiFi playback only caused byAM radio station 1540 KHz.
SonyKV2680R
NO FUNCTIONS EXCEPT POWER ON, IC-103 No remote control functions, no channel change, volume change,color change or any control available at the receiver manually exceptpower on.
SonyICF7600A
INTERMITTENT SHORTWAVE/FM ONLY WITH BACK COVER ON Technician placed unit on tech assistance sheet for thecondition of intermittent shortage/FM only. Problem only happened withback cover on and while squeezing back cover.
SonySL2300
REPEATED FAILURES OF IC1 ON RP-8 BOARD Loss of alternate video fields from heads. Discovered IC-1channel A not passing signal.
SonyD5
DISTORTED AUDIO This unit had distorted audio in both channels.
SonyTCU30
MISSING PART # FOR LEVER ASSY, EJECT There is no part # for lever assy, eject. -HQ COMMENTS: The part number for the eject lever is X-3565-501-0.
SonyCRF330R
MISSING PART # FOR PANEL FRONT No part # for panel, front. -HQ COMMENTS: The part number is 3-880-501-11, but it is no longeravailable from NPC nor Tokyo.
SonyKV1770R
POOR PURITY The screen had a strange green hazel color to it. It appearedlike a chroma problem but a little experimenting revealed a problem withthe CRT. It was not possible to achieve anything close to correct purity.
SonyKV2680R
NO AUDIO/VIDEO, REPLACE 15V REG DRIVE Q-1128 Unit had raster out no video or audio.
SonyKV2670R
WILL NOT TURN ON MANUALLY, REPLACE IC-105 Unit would turn off and on with remote control but notmanually.
SonyTCFX44
MOTOR BOATING DURING RECORD Unit motorboats intermittently during record, putting soundon tape.
SonySL2400
RECORD/EE PICTURE DISTORTED Problem looked like tuner AGC problem. Playback OK. Pin 5IC4 had 5.3V. Found no adjustment of RV2 (Peak AGC). Base of Q4 was 6.3Vand could not adjust. Measured resistance of voltage divider, found thisto be 28K. Checked voltage R22 found no voltage
SonyKV2649RX
WOULD NOT CHANGE CHANNELS, LOCKED ON CH 6, REPLACED IC003 Unit would not change channels, locked on ch. 6 and no powermanually.
SonyKV2657R
NO CHANNEL 4 When ch. 4 button was pressed, it would not light, instead 3other channels would light.
SonySPP22
NO FUNCTIONS AFTER HOT Phone operates normally for approx. 15-20 min. Then powerLED goes out but charge LED stays on. When phone is put into TALK mode,handset chirps. Pin 11 power off drops from 4.8V to 1.8V. Changed C930.022 mFD disc capacitor and Pin 11 now 4.8V.


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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