Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por:![]() |
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Sony | TCW311 | MECH CHASSIS IS UNAVAILABLE AND NEEDS REPLACEMENT | The sub chassis is not supplied per service manual breakout.Can you supply a part number, or whole chassis assembly part number, orgive a suggestion as to what to do? The part of the sub-chassis thatsupports the pinch roller is cracked. -HQ COMMENTS: W | ||
Sony | XRU550 | TONE CONTROLS & CLOCK RESET WHILE IGITION IS OFF (Q-518 BAD) | A customer complained that whenever he cut off ignition, theclock resets to 1:00 and the volume, balance, and tone settings reset. | ||
Sony | MZ1 | NO DIGITAL RECORDINGS FROM PIONEER LASERDISC PLAYER | Customer complained that the MZ-1 would not record from thedigital output of a Pioneer Laserdisc player. | ||
Sony | KV27XBR15 | AUDIO POPS WHEN POWER IS OFF, NO MUTE AT OFF TO VAR OR FIX | The unit has a 1v pp negative spike on the fixed and variableaudio output jacks when the power is switched off. Speaker out are mutedOK. He has checked 18v, 9v, and 5v power supplies as well as the data andclock bus. IC102 and IC444 have been changed. | ||
Sony | KV10FMR20 | SHUT DOWN, REPLACED THE FLYBACK TRANSFORMER | Set will shut down when it gets really hot. When you removedall the case cover, the set will run forever. | ||
Sony | TAAV521 | NO AUDIO FROM CENTER CHANNEL - IC851 FAULTY 8-759-502-33 | There was no sound from the center channel, the display willlight. By removing CNJ803 (7 pin flat cable), the unit will work. | ||
Sony | CPD1304S | NO PICTURE, ADJ SCREEN DISPLAYS A RASTER WITH RETRACE | There was no picture, but if you adjusted the screen voltage,you had raster with retrace lines. | ||
Sony | CCDTR81 | NO VIDEO/REPLACE Q304, VS-76 BOARD | The unit did not have any video in playback or record. Thevideo signal was coming out of pin 28 of IC401, but it did not returnthrough pin 38. I found Q304 was biased properly but did not pass thevideo signal. | ||
Sony | KV27EXR25 | BUZZING IN AUDIO, GROUND OPEN | There was a constant buzzing in the audio. After extensivetrouble shooting, the servicer found the ground pattern from connectorA-23 pins 3 and 4 to connector A-24 pins 3, 4 and 5 were rubbed loose fromthe board for about three inches. Since it was und | ||
Sony | KV13EXR91 | HUM FROM SPEAKER AT LOW OR NO VOLUME, SEE SB TVP0131 | I have had two complaints on this model as well as othersabout when the volume is low or off, you can hear a slight hum from thespeaker. I assume this is normal since it seems to be on all units.Please give advice. -HQ COMMENTS: Please refer to TV Serv | ||
Sony | KV1380R | NO PURITY MAGNETS ON YOKE, T-9985-214-1 | When these sets were set up, they used a purity strip aroundthe neck of the tube. There are no magnets on the yoke. When CRT wasreplaced there is no way to perform purity. Any ideas? -HQ COMMENTS: According to Supplement-1 (9-963-570-81) when a new C | ||
Sony | KV32XBR35 | DIFFERENT E1 BOARD IN SET, ORIGINAL E1 CAN BE INSTALLED | The set came in with an A-1346-132-A board in it instead of anA-1346-051-A as indicated in the service manual. Can we use 051-A since132-A is new and not available? -HQ COMMENTS: 132-A is used for FN with Closed Caption models this year. You can instal | ||
Sony | CDPC305 | ROLLERS SHOWN IN S.B. #327 INCOMPATIBLE, ORDER X-4924-409-1 | The servicer ordered a disc roller table part numberX-4924-457-1 per service bulletin 327 to replace rollers and only receivedthe rubber part of roller. The shaft did not come with it nor would therubber part fit on the old shaft. Should they come with | ||
Sony | CCDV5 | IRREGULAR TAPE MOTION/HARDENED GREASE ON TENSION ARM | The unit showed several problems such as eating tapes, tapepath problems and sometimes eject problems. The grease on the tensionregulator arm hardened and caused the arm to hang up at differenttensions. This caused different back tensions which caused | ||
Sony | GDM1936 | PART NUMBER FOR FUSE LINKS PS-101 AND PS401 INCORRECT IN S/M | The part number in the Service Manual for fuse links PS-101and PS-401 (1-532-839-21) is incorrect.- HQ COMMENTS: The correct part number is: 1-532-839-11Please correct your service manual. |