Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLHF400 | UNIT INTERMITTENTLY THREADS | The cassette intermittently would not seat all the way downduring loading. This of course did not permit the unit to thread. Wefound the guide plate #230 to be improperly position (see illustration)therefore the cassette would sometimes hang up on it. | ||
| Sony | SLHF1000 | WAVING IN PB | Customer is experiencing a waving effect during playback. -HQ COMMENTS: SL-HF1000 can exhibit waving for a few reasons. Theflying erase heads protrude slightly farther out than the video heads.This can cause some waving if a thin tape is used. Suggest | ||
| Sony | FD42A | KEYSTONE, REPLACED D602 | Unit had keystone problem, traced problem to base of regulatorQ602. Had a 5Vpp (mostly negative) waveform, nothing at collector.Found diode D602 open, not clamping negative half of waveform. | ||
| Sony | CCDM7U | NEED PART NO. FOR MICROPHONE WINDSCREEN | P/N for windscreen? -HQ COMMENTS: P/N is X-2536-710-1. | ||
| Sony | HVM302 | IRIS NOT FUNCTIONING | No video output except when iris is manually opened. | ||
| Sony | TCWR530 | NO RECORD | The unit would not record. We found the problem to be causedby a shorted trimmer cap in the bias osc. circuit, C312. | ||
| Sony | CDP203 | INTERMITTENT SHUFFLE PLAY OR ERRATIC OPERATION | We have had several units at the SSC with the complaint oferratic operation or intermittently they will enter shuffle play. Theproblem is associated with a cold solder joint on R809 which is acrossthe master control clock crystal. | ||
| Sony | KV25XBR | RETRACE LINES | The unit operated fine except that on some NBC programs therewould be a 2 to 3 retrace lines on the top of the screen. All othernetworks/channels worked fine and it was only certain programs that wereaffected on NBC (ie, Price is Right, sections of even | ||
| Sony | ICF2010 | INTERMITTENT OPERATION OR NO AM | Several units with a defective X3 crystal. They exhibit thefollowing symptoms: 1) No AM, FM works fine, display works OK 2) Unitappears to have a locked up UPC. May not be able to turn the display offwith the power switch. AM does not work. FM may | ||
| Sony | PSLX5 | INTERMITTENT MOTOR ROTATION | The unit would intermittently not start up or would shut offduring play. | ||
| Sony | KV2080R | SNOWY PICTURE ON #8 AND 10, REPLACED ANT BLOCK | The set had a snowy picture on channels 8 and 10 only. Allother channels worked fine. We found the problem to be the antennaswitch block. | ||
| Sony | SL2000 | DRUM WILL NOT LOCK. | The drum would not phase lock and the drum free speed seemedto only have a marginal range. We found the problem to be caused byC409 which is part of the R/C for the drum free speed. It was open. | ||
| Sony | STRAV480 | DEAD UNIT | The unit was dead. We found that there were no key scanpulses or osc. action at IC301. Close inspection revealed that therewere no ground connections made at Pins 10, 11, 41, 42 and 43. This wasdue to pads not being soldered. | ||
| Sony | CCDV8AFU | WHITE FLASHES | Intermittent iris mechanism. | ||
| Sony | CCDV3 | PART NUMBER FOR MICROPHONE WINDSCREEN | Service manual does not show P/N. Please advise. -HQ COMMENTS: Part number is 3-716-448-01. A service bulletin will beissued shortly. |