Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | EVS700 | NO PLAYBACK | FG pulses are missing. Pick up device is open. | ||
| Sony | KV2649R | NO CHANNEL CHANGE, REPLACED D021 | Plug TV into AC and it turns right on. Itchannel cannot be changed and no other functions work. | ||
| Sony | KV25XBR | IMMEDIATE SHUTDOWN | Shorted cap causes immediate shutdown. | ||
| Sony | KV25DXR | NO PIX, NO SOUND | Set came in with no picture and no sound, found L304 open onB board (supplies 12VDC). | ||
| Sony | STRV7 | POWER SUPPLY TRANSFORMER | Servicer ordered power transformer from KC and was told unitis no longer available. I checked and found this to be true. Is therea sub-transformer that we can use? The customer wants unit repaired. -HQ COMMENTS: We checked with Tokyo. Tokyo does not | ||
| Sony | ECM939LT | BLUE WIND SCREEN | Need blue wind screen. They do not list part number in themanual. -HQ COMMENTS: The part number is 2-529-941-00. The Ref. #34 isincorrect in the parts description for the window screen. We will issuea S/B. | ||
| Sony | TCFX310 | CIRCUIT CORRECTION IN SERVICE MANUAL | Circuit from Pin 15 of IC502 is improperly routed to theerase prevention switch (S711). Pin 15 should connect to circuit betweenS711 and S701 (control switch board). -HQ COMMENTS: Your analysis of the problem is correct. We will issue aservice bulleti | ||
| Sony | TCFX310 | DESIGN CHANGE IN REMOTE CIRCUIT | Unit would switch and stay in record mode when remote cablewas connected. Found IC502 bad and also a shorted diode which is notshown in service manual. This diode is connected to Pin 16 of IC502 andground. I would like to know the P/N of this diode AS | ||
| Sony | RME100 | USE OF RM-E100 VIDEO EDITING CONTROLLER WITH VHS RECORDERS | |||
| Sony | TAAX320 | MISSING P/N - IC401 | This IC is for AEP model. Where is P/N for USA model? Seepage 15, red dotted box. USA: STK4040X AEP: STK4036X -HQ COMMENTS: The part number is 8-749-940-40. The IC will be stockedin RPC on or after January the 10th. We will issue a parts ECN | ||
| Sony | SLHFR70 | LOSE BOARD SUPPORT PIN | Plastic pin (board support) on SA-10 board above the letterR above the word Drive SOL falls out and floats inside unit. Oneunit had pin jammed under drum motor. -HQ COMMENTS: The purpose of this support pin is to keep the cover fromtouching the SA-10 b | ||
| Sony | SL2005 | VIDEO SMEARING | This unit had a slight video smear when playing back its ownrecordings. Prerecorded tapes were fine. | ||
| Sony | CDP111 | LEFT CHANNEL OUT | The left channel was dead. We found C521 in the sample andhold circuit to be defective. Replacement resolved the problem. Sampleenclosed. -HQ COMMENTS: We have sold quite a few of CDPs and PCMs, but this is thefirst report on a defective S/H capacito | ||
| Sony | XR40 | NO AUDIO OUTPUT | No sound on radio or tape, unit has power. Front panel LEDsindicate normal operations. Signal tracing showed audio getting to inputsof IC302 but not coming out, voltage measurements on IC302 were wrong dueto broken ground path (Pins 5 and 9 read 3.7V i | ||
| Sony | KV1997R | INCORRECT RESISTOR VALUE, R561 SHOULD BE 6.8 KOHMS | Schematic (P25) and parts list (P38) both indicate R561resistor (in the collector circuit of Q501, horizontal drive transistor)should be 6.8 ohms. In fact, in the unit this is 6.8 kohms, which agreeswith other models in the P3 chassis series. -HQ COMME |