Dicas Reparação
Modelo - Chassis
Pesquisa: Enviar Dica Resolvida
Resultados 81369
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TAM1000 | UNIT GRABS A LINE - REPLACE Q302, P/N 8-729-927-24 | When outside phone line is plugged into unit, unit will grab aline. This is caused by Q302 being shorted emitter to collector. Verysimilar to the problem with the TAM30/50 | ||
| Sony | SPPX30 | BACKGOUND NOISE, POOR RANGE - INCREASE BASE POWER | Although unit had already been modified per SB, there stillwas plenty of noise. | ||
| Sony | SPPD15 | BLOWN LINE FUSE | |||
| Sony | SPPA60 | CORRECTION OF S/B/TEL 0089 | Per Tokyo, the correct p# for the black antenna for SPPA60 is1-501-558-21. Please correct in the SDIS system and issue a s/bcorrection. -HQ COMMENTS: Thanks for the info. A new or revised bulletin will beissued. | ||
| Sony | SPPA20 | NO RING - REPAIR LIFTED TRACES ON C165 | Unit would not ring. IC8, bell detect, was not turning on.Troubleshooted problem to lifted traces on C165. Repaired trace on C165and unit would ring. | ||
| Sony | SPPA20 | WRONG PART NUMBER - JACK TEL LINE | This part number is used for DC in 9v jack. | ||
| Sony | SPP95 | TRANSMIT FREQUENCY OFFSET FAILURE | While testing handset with S4015 stabilock, unit failedspecifications for Xmit frequency offset. Crystal was oscillating butwill either be off frequency, or low amplitude. Symptoms include no talkand range distortion. | ||
| Sony | SPP85 | TRANSMIT FREQUENCY OFFSET FAILURE | While testing handset with S4015 stabilock, unit failedspecifications for Xmit frequency offset. Crystal was oscillating butwill either be off frequency, or low amplitude. Symptoms include no talkand range distortion. | ||
| Sony | SPP75 | FAILS TX FREQUENCY OFFSET - S/B PUBLISHED | This model does not have a variable capacitor to trimthe crystal oscillator. Consumption of the part seems high. A possibletolerance problem exists. What tolerances should we expect of thispart, both in production and replacement categories? Two rep | ||
| Sony | SPP57 | NO DIAL TONE - REPLACE X603, P/N 1-579-805-11 | Unit would not grab a line. | ||
| 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 | ITA4000 | CN901 AND CN902 - PART NUMBERS MISSING | No part numbers for CN901 and CN902. -HQ COMMENTS: These connectors are not supplied as Repair Parts. Theyare only available as part of Main Board assy p/n A-3015-458-A. | ||
| 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. |