Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1975R | HORIZ. OUTPUT TRANSISTOR SHORTS, REPLACE HDT T501 | The horiz. output transistor short about every two weeks.Found the drive to it to be incorrect. Replacement of the drivetransformer resolved the problem. | ||
| Sony | KV2645R | NO PIC/SOUND, REPLACED D511, R533 AND L510 | The unit had no picture or sound. We found D511/15V rect. tobe shorted and R533 open. The problem was not resolved until L510 wasreplaced, which probably precipitated the problem. -HQ COMMENTS: L510 is off flyback in 15V line circuit. | ||
| Sony | CCDV110 | NEED CORRECT PART # IC306 | Part number in the manual is incorrect. Part in unit issurface mount IC. Part ordered is PCB mount. -HQ COMMENTS: The correct part # is 8-759-937-56. | ||
| Sony | KV25XBR | HUM IN AUDIO WITH SUPER IMPOSED VIDEO | When writing appears on existing picture, it's hums loudly. | ||
| 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. |