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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27SXR10 | PINCUSHION DISTORTION, REPLACE C-1510 | Set in ASC shop several times for pincushion distortion.L-1507 always found open. No reason found. Finally confirmed C-1510intermittently opening. | ||
| Sony | TAAV601 | UNIT IN PROTECTION MODE | Unit goes into protection mode after 30 - 45 minutes. Thetechnician replaced IC-700 and Q-700, same problem. Found 1v on pin 1 ofIC-700, +24V on collector of Q-700 and +26V on IC-600 pin 5 and 4. | ||
| Sony | STRAV710 | GREEN TAPE MONITOR LAMP FLASHES - UNIT WILL NOT TURN ON | When you apply power to unit, the tape 2 lamp flashes and themicroprocessors are locked up. Nothing functions. | ||
| Sony | CCDTR6 | NO PICTURE THROUGH CAMERA | There was no picture through lens. Found iris defective. | ||
| Sony | STRV6 | NOISY SWITCHES | Poping sound when subsonic switch is moved. | ||
| Sony | ITD100 | NO DIAL TONE | No dial tone. While holding handset to ear, hang up line andyou will hear what sounds like a capacitor slowly discharging, (bomb dropsound). Sometime after the discharge noise, it will start grabbing anddropping the line. Also pertains to serial numbe | ||
| Sony | TAM50 | LOW OGM PLAYBACK TO CALLER - ICM CUTS OFF | When the TAM answers an incoming call, the OGM will be playedout the line at a low volume level and the ICM will be cut off inter-mittently. This is caused by ZD-1 leaking and allowing the line currentto drop below the minimum level required to hold the | ||
| Sony | ITD100 | MULTIPLE INTERMITTENT PROBLEMS | Key pad defective/intermittent, no dial tone, no mute, no sidetone. Cable has been cut by components on Main board. Also applies toserial number 10510. | ||
| Sony | DTC75ES | NO DISPLAY - UNIT FUNCTIONS NORMALLY | There is no display at all. However, all functions on theunit work normally. | ||
| Sony | DTC75ES | DOOR WILL NOT OPEN TO EJECT THE TAPE | The door can't be opened to insert/eject the tape. The motorcan be heard running. | ||
| Sony | HST201 | TAPE (A) WON'T PLAY | Tape (A) won't play. Found bad motor. | ||
| Sony | CDXR79 | SKIPS | Skips on all discs. Found spindle motor did not have suffi-cent torque. | ||
| Sony | CDXR77 | SKIPS OVER BUMPS - MORE SENSITIVE THE LONGER UNIT IS ON | Skips, adjusting did not completely solve the problem. Foundspindle motor lacking torque. | ||
| Sony | STRAV980 | Q-801 OVERHEATING | Q-801 would overheat because the emitter was getting pulleddown to 26VDC and the collector to 28VDC. Traced back to filaments andtransformer as our loads. Disconnected transformer at CNP-802, B+ return-ed to normal. Reconnected transformer and disconn | ||
| Sony | CFD760 | SERVICE MODE DOES NOT WORK | Cannot check sled motor or focus search when in service mode.I have checked two units and get the same response. -HQ COMMENTS: The procedure shown in the service manual for entering theservice mode is incorrect. To enter the service mode, make sure pow |