Dicas Reparação




Modelo - Chassis


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Resultados 81365
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MarcaModelo
(Chassis)
SintomaCausaSoluçãoPor:
SonyCDP30
DISC WILL NOT SPIN Disc won't spin due to resting on table assembly. Servicerhad 2 units with same problem. Found in both cases that 2 of the 3supports for M703 spindle motor assy were broken off.
SonyCDP70
NO PLAY No play, disc spins backward briefly. Found no 35 MHz. Thisis second unit in one month with same problem.
SonyRT44
NEED DIAGRAM OF BIAS OSC AREA I need diagram of bias osc. area on the power amp board. -HQ COMMENTS: The schematic diagram for the area of ckt is in theservice manual on Page 31.
SonyKV1976R
CB TVI, SEE SB CTV0288R Customer experiences CB TVI through speakers, even with setturned off, but with master power on. Same problem with power on, alsogets noise in picture. Customer is a CB operator himself and seemsfamiliar with noise reduction techniques. TVI appears to
SonyCDP302
SKIPPING THE TRACK SPECIALLY ON TELARC DISC This disc has 20 track music. From 18 to 20, it skips usuallyfirst part of music, like from 0.00 jump immediately to 0.18 and so on.
SonyESR10
POPPING NOISE AT LOW VOLUME ON TAPE At low volume there is a popping noise when playing back tape.Appears to be spark plug related. Happens only when in Ford Products.
SonyCDP102
NOISE IN AUDIO AFTER WARMING UP Noise in the audio after the unit has been playing for 15-20min.
SonyKV1956R
INTERMITTENT NO UHF, LEAKY CAPACITOR NOT SHOWN IN S/M This unit would intermittently shift from UHF channels tocable channels causing no normal UHF ch. reception.
SonySTRV45
NO AUDIO OUTPUT No audio output. Had audio to relay but relay was notengaging.
SonyXR65
DISTORTED SOUND Distortion in audio when listening to radio (FM) and systemEQ switch was turned on, but system EQ did not distort on tape. But iflistening to tape and Dolby was turned on, unit had several distortion.
SonyKV2680R
AUDIO NOISE ON RIGHT CHANNEL WITH CABLE, POOR CABLE SIGNAL My last visit to Cathedral City I was shown a KV-2680R. Whenon SAP or both, the right channel was very noisy. I visited anotherdealer and found this to be the same on another KV-2680R. The area is oncable which is very bad. But the problem is this mo
SonySLHF900
RAINBOW IN EDITS Rainbow or beat noise in video when in video insert functiononly. Upon inspection found erase head not being turned on in thisfunction. -HQ COMMENTS: This is normal in the SL-HF900. A strong and constantsignal such as color bars from a signal generato
SonyCDP302
FROZEN CLV MOTOR SHAFT CLV motor would not turn, even though it was getting drive.
SonyKV2670R
LOSS OF -33V RESULTING NO CHANNEL DEL/ADD, REPLACE L-105 Could not erase or add a channel. All channels had to besequenced thru in numerial order. Found no neg -24V or -10V on Pins 6and 7 of IC105 (memory) only when set was on. The -33V supply source waspresent when set was off.
SonyTCV7
NO AMS FUNCTION When trying to put the unit into AMS function, the headchassis did not stay in the AMS position. It came down to the stop posi-tion and went into FWD or RVS mode.


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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