Dicas Reparação




Modelo - Chassis


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Resultados 81403
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonySL2700
CROSS TALK This unit had bad cross talk on both channels. The outputsfrom the band pass filters was not clean. BPF-801/802/901/902 wereall bad.
SonyCDP200
DRAWER WILL NOT OPEN The drawer would not open because the chucking motor (M802)gear penetration was too tight.
SonyXO5
LOW TORQUE This unit had low take-up torque and would not rewind or FFto the end of the tape.
SonyKV1370R
NO AUDIO, REPLACED THE IF BLOCK This unit had no audio.
SonySL2710
EJECT Pressed EJECT, unit unload half way, stop and reload.
SonySLHF300
POOR TAPE PATH This one had poor tape path causing improper tracking. I haveseen an increasing number of new units with poor tape path right out ofthe box.
SonySLHF900
NO DISPLAY No display at all. Pin 1 of ND101 not soldered at all.
SonyCDP102
PARTS RATTLING AROUND INSIDE This is the second unit to arrive with parts rattling aroundinside. Apparently the screw (Ref. 301) that holds pole (A) (Ref. 302)and spring (Ref. 304) comes loose in transit. Both times it has been thescrew toward the rear of the transport.
SonyWMF8
TAPE WILL NOT PLAY Both units came from same distributor with complaint of notape play. This pinch roller had come off on both units after the pinholding the rubber roller came out of its hole. No signs of abuse areevident and the units function OK with new pinch roller
SonyCDP101
NO AUDIO - SLED MOVES TO OUTSIDE OF DISC Unit would not read TOC. Disc would spin rapidly and sledsearched randomly across disc. Display read all zeros. Found no clocksignal on IC104 or X101. Examination of component side of board revealedthat X101 was missing. The crystal had fallen into
SonyCDP102
DISCS SKIP TRACKS INTERMITTENTLY Discs skip tracks intermittently. Found insufficientlubrication on slide shafts (Ref. #511) causing transport to stick.
SonyTV510N
PICTURE TUBE REPLACEMENT Servicer ordered CRT, P/N 8-731-105-10 (140CB4). Theyreceived sub CRT with P/N 1-546-039-00 (140DVB4). The new CRT does nothave raster. Found no bulletin on this problem. Upon inspection of theinternal construction, I found cathode of new CRT on Pin
SonyKV1770R
INTERMITTENT FUNCTION I could not turn the set on or off.
SonyPSFL9
PART NOT AVAILABLE - UP/DOWN COIL My servicer ordered the part (#1-422-162-11), KC sent a notethat the part was no longer available.
SonyCCDV8
NO RF OUTPUT RF to TV not working. Line outputs function OK.


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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