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Modelo - Chassis ITA305
Pesquisa: ITA305 Enviar Dica Resolvida
Resultados 13
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | ITA305 | UNIT ANSWERS AND HANGS UP | Unit would answer call, and immediately hang up. | ||
| Sony | ITA305 | NO OGM, ICM TIMING FAILURE & NO REMOTE RECORD | The shorted capacitor grounds pin 15 of IC503, which is thepreamplifier for microphone MIC301 and incoming message. | ||
| Sony | ITA305 | NO ANSWER MACHINE FUNCTION | Unit was unable to do any answer machine function (FF, REW,PLAY, OGM). Checked VCC and RESET. Both were correct. Checked forcrystal (X-601) at pin 24 and pin 25 of IC-602 and found no frequency.Found X-601 open. Also pertains to serial number 210970. | ||
| Sony | ITA305 | NO OGM OR ICM RECORDING | Have found several units in which CN-3 was not properlymounted in the main board before soldering. In one (ser. No. 198352) pin1 was open between IC-602/28 and IC-605/41 preventing OGM record. Inothers, pin 10 was open or intermittent preventing the (I | ||
| Sony | ITA305 | WILL NOT ANSWER INCOMING CALLS | |||
| Sony | ITA305 | SIZE OF RPL SPEAKER | Replacement speaker is too large to fit in the unit. Theoverall diameter is ok. The magnet diameter is twice the size of theoriginal. -HQ COMMENTS: KCP checked with Tokyo for magnet size, which should be5.7cm. Magnet size of KCP inventory are also 5.7 | ||
| Sony | ITA305 | WILL NOT ANSWER INCOMING CALLS | Customer complains of unit not answering incoming calls. Unitworks fine in shop. Most of these that we have seen are when the customerlives in a smaller community or rural area. These answering machines seemto have a problem detecting the ring on some | ||
| Sony | ITA305 | UNIT WON'T RESET | Customer says the unit won't reset. Pushing the reset buttonhas no effect. | ||
| Sony | ITA305 | LOW HUM IN UNIT | Unit had low hum when trying to break the dial tone and therewas also no OGM. This was the result of the power supply voltage beingpulled down to 8.5 volts. IC-606 was internally leaking to ground. VCCto ground was approximately 2K Ohms. Also credit | ||
| Sony | ITA305 | NO ANSWER | Unit will not answer the ring signal. C-601 is missing fromthe PCB. | ||
| Sony | ITA305 | UNIT ANSWERS RING SIGNAL AND IMMEDIATELY DROPS LINE | When unit answered the ring, it would grab the line momentar-ily and release it. IC-401 pin 19 was supplying the .7 volts necessary tooperate the OGM interupt detect circuit and pin 2 of PM 604, but pin 1 ofPH-604 was not being supplied with its needed | ||
| Sony | ITA305 | IC-201 PIN OUT IS INCORRECT | The pin out of IC-201 is wrong in the unit. The servicemanual is correct. | ||
| Sony | ITA305 | BATTERY DOES NOT FIT CORRECTLY | This is a replacement battery. The legs are too wide to mountin the board. |