Dicas Reparação
Modelo - Chassis 3000
Pesquisa: 3000 Enviar Dica Resolvida
Resultados 180
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | 3LC3000 | SEM SINTONIA CANAIS ALTOS. | SO CANAL 13 NAO SINTONIZA, REAJUSTAR TUNING CONTROL R675. * NOV 94 ES *. | ||
| Philips | 3LC3000 | IMAGEM NEGATIVA. | VERIFICAR CABOS DE INTERLIGAÇAO ENTRE PAINEL E DISPLAY LCD, CABO DO +5 DE J202. * JAN 95 ANC *. | ||
| Sony | KV3000R | COLOR SMEARED LOOKS LIKE BAD CRT, C702 | When looking at the RGB outputs on the C Board, the P-Pvideo level was over 300v. This was because horizontal pulses wereriding on the 200 volt +B to the video drivers. Found C702 a 0.47MFD350V open. | ||
| Sony | EVS3000 | WON'T GO TO BLUE SCREEN ON WEAK CHANNELS | Blue screen does not come on on all weak channels. When compared with several units, they all worked the same way. | ||
| Sony | EVS3000 | NO FF REW AND EJECT AFTER UNIT WARMS UP-REPL MODE SWITCH | After unit warms up it will not playbakc FF, rewind or eject. | ||
| Sony | ITA3000 | NO RECORD OAM AND DEFECTIVE OGM REMOTE - RESOLDER IC801 | Would not record OGM and no OGM remote. I checked signalat IC801/pin 69, DA out, after recording OGM announcement. No signalcame out. Signal is coming in at IC801/pin 75, MIC1. IC801 chip had alot of pins cold soldered. | ||
| Sony | ITA3000 | DEFECTIVE RAM TEST - REPLACE JOG SHUTTLE SWITCH (REF 29) | After Ram test, press play and stop button, no function.Switch at shuttle block was defective. | ||
| Sony | ITA3000 | NO BATTERY BACKUP - RESOLDER TP50 AND TP51 | Battery voltage is not reaching to the main board. I checkedbattery contacts TP51 and TP50. There was not enough solder on them. | ||
| Sony | ITA3000 | DEFECTIVE RINGER SELECT - INSTALL R735 | In answering mode or OGM activation, select switch at 3 ringsis defective. It takes 5 rings to activate OGM at 3 ringer select mode.I found that R735 is missing on the board. | ||
| Sony | ITA3000 | DEFECTIVE PLAYBACK OF OGM AND ICM - RESOLDER IC805 | OGM and ICM are cutoff after a few seconds of playback, but intest mode unit will pass RAM test. During visual inspection of board,found IC805 to be poorly soldered. Should RAM test have detected thisproblem? | ||
| Sony | ITA3000 | LOW SPEAKERPHONE VOLUME - RESOLDER C504 AND C522 | Very low audo when using speakerphone. When tracing audiosignal to IC501, I found both caps C504 and C522 torn off their traces.Resoldering these caps fixed problem. | ||
| Sony | ITA3000 | NO SPEAKERPHONE - C512 SHORTED | No audio is heard when using speakerphone. Checked voltageson IC501 and they measured 4.2v. Found leads on C512 to be touchingtogether, grounding out RV501 speaker volume. | ||
| Sony | ITA3000 | DEFECTIVE BELL DETECT - REPLACE PH201, P/N 8-719-156-79 | No OGM activation, constant high at PH201 pin 3 (output).PH201 coupler is defective. | ||
| Sony | ITA3000 | NO OGM ACTIVATION - C208 MISSING | Defective bell detect test. I traced the signal comingout PH201/pin 3, wave form has a lot of ripple at IC701 pin 14 input. Ifound out C208 missing at the main board. | ||
| Sony | ITA3000 | DEFECTIVE ANSWER ON/OFF INDICATOR - REPLACE D702 | No illumination at answer on mode indicator. I checked D702and it is cold soldered at diode side. |