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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: 15
SonyAE-1C KVA2522Uint switches from one channel to anotherDJ on D612 and IC60414-09-04
SonyAE-2A KVA2532Uint loss of soundQ209 2SC2412K (mute transistor)14-09-04
SonyAE-2B KVA2542Uif all external speakers are connected then sound cuts out after 10 min, Ok if centre speaker is removedR627 27R gone high (124939811)14-09-04
SonyAE-2B KVA2542Ustuck in stby with LED flashes 13 times, frame IC was replaceddisable protection and switch on, if you get frame foldover at bottom replace scan coils (873385305)14-09-04
SonyAE-2B KVA2942Udead, no 300V supplyR614 18k 3W o/c on LOPTx pin 8 (121648811)14-09-04
SonyAE-2B KVA2942Usound cuts out after 20-30 min, pic OkR626 27R 0.25W safety gone high14-09-04
SonyAE1C KVA2512UCrackling sound & OSD flashes on/offCheck audio o/p chip joints IC251 & 261, 5v reg IC604 (under strut) & CV1101 on A1 board - a 39pF fixed cap will do in lieu14-09-04
SonyAE2A KVA2532Set up procPress & hold any 2 buttons on set whilst sw on.TT appears on top R/H of pic. Press MENU on handset & select DEMO mode, press OK button - list of IC'S in set appears, e.g., to adj height, lin etc select CXD2018 & press "OK" button. Various adjusts appear on L/H side with present setting listed on R/H side ( a no. eg 0-100).Change settings using +/- or up/down keys on handset. Press OK to memorise.14-09-04
SonyAE2B KVA2942UInt soundCheck R627 22R fusible on K1 panel for high res14-09-04
SonyAE2B KVA2942UInt won't come out of st/byPlug in board K1 was the cause - reqd 2 x TDA2052 Ics14-09-04

SonyKVA2542DEADCHECK CIRCUIT PROTECTORS PS682 AND PS68114-09-04
SonyKVA2922TrippingC605 220µ in psu low cap14-09-04
SonyKVA2932UGarbled Txt chars briefly at sw on - no menu/textX2001 on M board14-09-04
SonyKVA2942SFOR VERTICAL SHIFT AND HEIGHT PROBLEMSENTER SERVICE MODE AND MAKE SURE "GEOMETRY SET" IS OFF14-09-04
SonyKVA2942UVol intermittentR627 27R hi res14-09-04
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