Dicas Reparação SONY




Modelo - Chassis


Pesquisa: SONY Enviar Dica Resolvida
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MarcaModelo
(Chassis)
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SonyITA500
BEEP LEVEL AFTER MESSAGE I have received about 5 calls on the cOmplaint that dHebeep after OG message is too loud. Cust want to know if anything can bedone to correct this. In one case cust had to bring unit in to see if S/B184 would correct problem, but found it had correct v
SonyXME50
NO PART # ON MICROFISCHE Car stereo dist ordered lamp and was told by KC not a good #.Part # is not listed on fische. -HQ COMMENTS: We have requested P/N to be listed on the microfische inKC. Please order the part again, you will receive it soon.
SonyCDXR5
ADJUSTMENTS DRIFT AFTER 3-6 MONTHS Unit sold about 3 to 6 mos ago are coming back. Must berealigned. -HQ COMMENTS: Some units experience some adjustment drift after aging.Also, the heat build up in the car adds to the drift. After initialreadjustment, the units should remain stable.
SonyCCDV8AFU
INTERMITTENT NO EJECT If unit is partially loaded or fake loaded and then ejectbutton is pushed, unit ejects. If tape is completely loaded and play isentered, pushing eject will cause tape to unthread but not to eject.Eject light blinks.
SonyFD2A
NO SOUND, REPLACED C215 No sound, but picture OK. Pin 9 goes to 0V. Pin 13 audioout no signal. Replaced IC201, did not solve problem. Measured fromPin 9 to GND to see capacitor is charging or not.
SonyFD2A
NO PICTURE, NOR SOUND, REPLACED C209 No video, nor sound. Q601 get hot. Found C209 bad.
SonySLHFR70
INT. ANTENNA SWITCHING The unit int. would not switch the antenna input into theTV mode. We found the RFU-1/RF mod/switch to be defective.
SonySLHF400
INT. NOISY TUNER VC The tuner would intermittently loose the channel and producenoise on the screen. Scoping the VC line we found it to be changingrapidly. This was caused by IC1/SS-32.
SonySRFFM2
INCORRECT PART # Part # for battery lid is incorrectly listed as X-3891-401-1in S/M. Correct # is X-3895-401-1. -HQ COMMENTS: We have issued a S/B concerning this problem. You shouldbe receiving it shortly.
SonyKV2782R
COULD ONLY BE TURNED ON AND OFF, NO OTHER FUNCTIONS, IC-501 Set could only be turned on and off. No video, or any otherfunctions. Raster was visible with screen control turned up. Trouble-shooting revealed no vertical pulse at TP-35. No DC voltage at collectorof Q506 and distorted pulse at Pin 2, IC501. Also
SonyWM75
REF NUMBER Ref # 154 and 172 are reversed. -HQ COMMENTS: We will issue a S/B.
SonyWMF18
WRONG REF NUMBER There is no S602. Should be S601. -HQ COMMENTS: We will issue a S/B.
SonyKV2783R
REF #53 AND #86 ARE REVERSED Ref. 53 and 86 are reversed. -HQ COMMENTS: We will issue bulletin on this.
SonyCDP101
DISTORTED SOUND The unit had a very slight distortion in the sound on bothchannels. Between selections or when playing back a single sine wave(YEDS-7) noise could be seen occurring at about 13-14 kHz.
SonySL2710
BETA HIFI MUTE IN X2 MODE Unit worked in all functions except that the Beta HiFi wouldmute in X2 mode. We found that Q14 was turning on in X2 mode despite thefact that AF mute line/CN403 was low. There was sufficient forward biasthrough D015 to turn it on. This was remedied by


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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