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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

MakeModelProblemSolutionAddedDate
 
Found: 917
SonyAE3 KVX2952Low contrast when cold - comes ok but with fb linesR805 1.2ohms gone high on 200 volt supply to tube baseplamensl14-09-2004
SonyAE4DeadDry joints R808 can cause LOPTr & Chopper Tr demiseplamensl14-09-2004
SonyAE4DeadQ601 602 both 2SC4834 ,R601 0.1 ohm and Q615 2SC2500plamensl14-09-2004
SonyAE4No powerCheck EHT lead for bad connection & T805 smplamensl14-09-2004
SonyAE4No power - PSU okQ618 leakyplamensl14-09-2004
SonyAE4No power, TV goes on/off,vertical deflection incorrectIC802 & fusibles R818/819plamensl14-09-2004
SonyAE4St/by onlyEEPROM corrupt - replace NVM IC (IC1003) on A board or reset NVM or reload data from a similar model.plamensl14-09-2004
SonyAE5 KV28FX60UBright G pic with fb lineslooks like CRT. Q5315 2SC25510 Part No 872920498plamensl14-09-2004
SonyAE5 KV28FX60UNo line sync on pic, osd or menuCheck the "H-pulse main" on the pin B22 of the J-board . If not present, your fault may be on the J-board (it is the one where the SCART sockets are). Try re-soldering SMD IC8300 (or IC8301 on some boards).plamensl14-09-2004
SonyAE5 KV28FX65UPic disappears into fine mosaic aft 30 secs - sound & Txt still okDry joints sm chip IC2311 on board B1 (100Hz proc)plamensl14-09-2004
SonyAE5 KV32FX60UNo sync in Txt or OSDIC2303 pt no 8-759-438-64 sm on board B1plamensl14-09-2004
SonyAE5ANo B-YR2336 sm dry joints on BL boardplamensl14-09-2004
SonyAE5A KV32FQ75UDead - IC6604 (8-729-045-40) s/cR6666 0R1 safety res o/c (1-202-933-61); FET Q6806 s/c (8-729-047-59)plamensl14-09-2004
SonyAE6B KV32LS60UDead with 2 or 5 flashes of LEDreplace R6018 470K 1/2W ( IN THE OVER CURRENT TRIP STAGE ON THE PSU.) plamensl14-09-2004
SonyAEUPOOR FIELD LINC531 680mfdplamensl14-09-2004
SonyBC-4 KV14V5Uframe blanking appears as black band in the centre of screenC378 (116400511) on pin 45 of IC304plamensl14-09-2004
SonyBC-4 KV14V5Ulack of contrast on pic and textR833 (124944111) faulty, also check R832, R838plamensl14-09-2004
SonyBC-4 KV21V6Ucomes out of staby then trips, LED blinks 4 timesR623 100R 0.25W o/cplamensl14-09-2004
SonyBC-4 KV21V6Udistorted audio on VCR playbackDJ on L1004 in audio section on VCR PCBplamensl14-09-2004
SonyBC-4 KV21V6Uwill not record, playback is Okresolder tuner units TU101 and TU102plamensl14-09-2004
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