Dicas Reparação
Modelo - Chassis ITA555
Pesquisa: ITA555 Enviar Dica Resolvida
Resultados 12
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | ITA555 | NO PLAYBACK AUDIO | Intermittent mech problem on this unit. Replace new mechass'y, still no audio on playback. Ans machine works ok. You can seehow many messages were recorded but no playback off message. | ||
| Sony | ITA555 | ICM PLAYBACK HAS LOW AUDIO LEVEL | ICM audio sounded low during playback. Audio level at therecord head during record of ICM was half the value of comparable unit.The audio out of IC503/pin 10 was normal. -SOLUTION : Changed the value of R522 from 27k to 1k. Audio level isnow correct | ||
| Sony | ITA555 | DISTORTED AUDIO DIGITAL - REPLACE IC608 AND IC609 | Playback audio pulsates on and off rapidly. | ||
| Sony | ITA555 | LOW AUDIO PLAYBACK - REPLACE IC503, P/N 8-759-239-15. | Unit had low audio in playback only. I checked IC503anf found AC EQ out of IC503/pin 7 to be putting out only 50mv. In goodunit it should put out 400 mv AC. IC 503 EQ output was defective. | ||
| Sony | ITA555 | DROPS A LINE - RESOLDER D403 | When unit answered the ring, it would grab the line and thenrelease it. When tracing voltages, found D403 to be cold soldered. | ||
| Sony | ITA555 | ANSWERING MACHINE PORTION OF UNIT DEAD | With AC adaptor plugged in, LED601 (CONV REC) and LED602(MEMO) were lit all the time. There was no operation of OGM record set-up,and no tape functions. The B+ to motor was very low from IC610/ pin 12. | ||
| Sony | ITA555 | POOR AUDIO WHEN PLAY BACK OF ICM | In this type of unit customer complains about audio on ICMthat is very poor or unclear or unable to hear ICM. | ||
| Sony | ITA555 | UNIT HAS COMBINATION REC/PB/ERASE HEAD | The service manual, page 41, shows 2 heads, erase andrecord/play. This unit has a combination record/play/erase head.Servicer needs a part number for the R/P/E head. -HQ COMMENTS: Tokyo was contacted. The part number of the Rec/Play/EraseHead is 1-500- | ||
| Sony | ITA555 | SOUND LEVEL OF A RECORDED INCOMING MESSAGE IS WEAK | Sound level of a recorded incoming message is weak about 50%of what would be considered normal. Appears to be characteristic ofthis model. | ||
| Sony | ITA555 | SET/REC/OGM AND TIME BUTTONS DON'T WORK - RESOLDER R606. | Set/Rec, OGM, and time button do not work. Found that R605,R606, R607 and R608 either had no solder or very little. | ||
| Sony | ITA555 | IC-602 ON BACK ORDER AT KCP. | ASC reported three units with a bad IC-602. Also applies toserial number 101395. -HQ COMMENTS: We checked with KCP. The parts are on back order. Theestimated time of arrival is April 15, 1993. | ||
| Sony | ITA555 | DROPPING LINE WHEN OTHER PHONES ARE PICKED UP | Dropping line when other phones are picked up. -HQ COMMENTS: The same problem occured with this model's predecessors,IT-A205/A305/A505. However changes were made in the IT-A555 circuitry tocounteract the problem. They are the same changes documented in |