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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 56
SonyBE-3DEW distIC800 LM393P, D800 ISS133T both leaky14-09-04
SonyBE-3Dint bright blue pic - tripscrt faulty14-09-04

SonyBE-3DNo sound IC1200 TDA726414-09-04
SonyBE-3DSt/by onlylopt14-09-04
SonyBE-3DTo enter service modepress OSD, "5", vol+ & TT Technology You Can Taste project booklet14-09-04
SonyBE-3D KV25F3Udead, no 135Vo/c print around D60914-09-04
SonyBE-3D KV25F3Uno audio outputno +21V, PS602 2.7A o/c (153268621)14-09-04
SonyBE-3D KV25X1Uburst of EHT for 5 sec, then deadLOPTx (145316912)14-09-04
SonyBE-3D KV25X1Udead, HT down to 24Vno 5V supply, replace IC604 (875936613)14-09-04
SonyBE-3D KV25X1Udead, no LEDIC600 STRS6707, R605 0.27R o/c14-09-04
SonyBE-3D KV28WF1Uno pic (unless contrast and brightness are fully up)R828 22k on LOPTx pin 7 gone high14-09-04
SonyBE-3D KV28WF1Upic does not zoom forward or back in widesreen zoom modethis is correct for TV, once in zoom mode the remote would only move pic up or down (for subtitles etc)14-09-04
SonyBE-3D KV28WS2Ubuzzing on sound, IC260 gets hotresolder earth pin on plug CN30314-09-04
SonyBE-3D KV28WS2Uint no remoteIR receiver IC900 89417905114-09-04
SonyBE-3D KV28WS2Uno pic, sound Okno line drive, R870 1R 1W o/c14-09-04
SonyBE-3D KV28WS2Uno soundD613 FMN-G12S o/c (871905838)14-09-04
SonyBE-3D KV28WS2Uvol goes up or down on its own, channels wipe out of memory, unusual characters on LHSint lockup of IC3, replace with new software type (IC3 TMS27PC0200-15 software 15FMBW706 or later, part number 875945310)14-09-04
SonyBE-3D KV29F2Ugreen flyback lines, then goes dead within 10 secQ707 BF423 leaky on CRT14-09-04
SonyBE-3D KV29F2Uno sound from cold for 30 minreplace IC3 87594777314-09-04
SonyBE-3D KV29F3Uint sound muting, locking up and no tuning memoryNVM IC2 97593342014-09-04
SonyBE-3D KV29F3Upoor CRT purityreplace C632 as the degaus relay is not energising14-09-04
SonyBE-3D KV29X1Uno pic, rainbow effect if A1 increased9V supply high at 11.6V, replace IC606 LM2940T-9-0 14-09-04

SonyBE-3D KV32WF1Uno pic or sound, PSU screamingLOPTr Q802 2SC5251 s/c14-09-04
SonyBE-3D KV32WF1Uno soundfuse PS602 N75 o/c, IC1200 TDA7264 s/c, mute transistors Q1200 2SC1740 and Q1201 DTC143TS14-09-04
SonyBE-3D KV32WF1Ustuck in stbyQ812 (872904286) s/c, D802 (871903849) s/c, LOPTx (145325711) u/s14-09-04
SonyBE-3D KV32WS2Ulow/varying heightC616 1000uF 25V in PSU14-09-04
SonyBE3DBrief rustle of EHT at sw on, psu ok but no line dr or error codeSet in over current mode - check volts at coll Q606, normally 0v - if volts present set is in overcurrent mode indicating fault in LOP14-09-04
SonyBE3DBuzzing only on sound - incorrect sound system selectedaudio system can be changed by altering "destination" of set. PAL I can be selected by putting set into service mode as described in the service manual. At "TT" prompt enter "24". After re-tuning set, sound should return to normal.14-09-04
SonyBE3DDead , burst of EHT at sw on, no st/byLOPTx HR733714-09-04
SonyBE3DE-W bowingQ532 fet replaced - was dry joints & check for other dry joints14-09-04
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