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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: 16
Bush6690 VestecNo vol/chan change or menu functions in analogue functions. Digi tuner works OKReset remote handset by pressing Left/Right/ Down cursor keys & No 1 button together and holding for 5 secs. Note if fault does not clear suspect micro IC.14-09-04
Matsui1492 Vers CDead - s/c across D508 R2MLoptx faulty (s/c) TM0280A14-09-04

Protech5131NT VestelNo pic - sound okPoor washed out pic appeared when A1s advanced - TDA6107Q RGB O/P chip on CRT base14-09-04
SonyAE2 KVE2532UPoor sync, mosaic & odd colsDig comb filter14-09-04
SonyAE2 KVE2533ELED blinks 13 times at sw onFrame drive chip was the cause aft replacing FOP chip & still having same symptoms14-09-04
SonyAE2 KVE2932UExcess widthC819 470µ 16v - the -7.4v supply being poorly smoothed14-09-04
SonyAE2 KVE2932UFlashing picIC1301 SBX1692 comb filter - pt no 8-741-692-01 ?62+14-09-04
SonyAE2 KVE2932UNo pic/slow start upIC501 STV9739, R854 0.47u, R853 0.47u, C624 2200uF 35V, C625 2200uF 35V14-09-04
SonyAE2 KVE2932UShuts down within 2 secs with LED flashingReplaced IC 1501 TDA8179S FOP chip, R854 & 853 0R47, Q610 dry joints (on 2nd board), C624 2200uF 35V, C625 2200uF 35V, C1505 220uF 50V14-09-04
SonyAE2A KVE2942UDeadLOPTr 2SC4927 s/c replaced gave 13 flashes of LED. FOP chip TDA8179S cured that then excess width - Q806 2SK1916 leaky14-09-04
SonyAE2B KVE2953CFlashes 3 timesTuner PLL fault - dry joint just above the innermost chip in the tuner module14-09-04
SonyKVE21X1UService mode accessselect OSD ,5,Vol+,TV; TT appears in right hand corner. Select menu .Adjust with cursor keys .Standby to store new settings.14-09-04
SonyKVE2522Field scan distortedC532 680µ25v, C531 100µ 50v14-09-04
SonyKVE2532Settings (excess contrast/field cramp) off aft thunderstormReset electronic screwdriver14-09-04
SonyKVE2922EDead - chopper tr s/cReplace chopper 2SD1548 & TEA2260 & C611 47µ which was cause14-09-04
SonyKVE2922UInt loss of col with flashing picDry joints screening can tabs on digital comb filter PCB B114-09-04
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