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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: 165
NEI11AK08Black lines across picR461/463 560R connected to pins 42/43 IC401 - may measure ok14-09-2004
NEI11AK08Brightness low or variesC907 1nF or 10nF 1kv leaky in A1 supply or R925 470k o/c14-09-2004
NEI11AK08Dead - no o/p from psuR809 o/c, TR 802 shorted windings, Q801 chopper tr s/c, replace D808 BYT52M, R805 o/c & check mains filter choke TR801 for damage, R802 o/c, IC801 s/c pin 6 or D806 s/c14-09-2004
NEI11AK08Field - bottom crampC701/2 4n7 leaky, C705 3µ3 50v o/c14-09-2004
NEI11AK08Field - top crampedIC40114-09-2004
NEI11AK08Field - top foldoverD701 or C703 470pF leaky, R717 1k or 560R o/c, C704 0µ1 leaky14-09-2004
NEI11AK08Field collapseCheck for cracks around IC701 & chip itself, if 26v absent at pin 9 R711 4R7 fusible o/c; C701/2 4n7 leaky, R707 3k9, R702 10k, R706 1R8, C426 10nF, C453 33nF14-09-2004
NEI11AK08Field cramped with bright line across centreScan coils - should read 13.5R14-09-2004
NEI11AK08Field jitterR441 10M in ramp gen cct o/c or int14-09-2004
NEI11AK08HT low at 85vR813 hi res14-09-2004
NEI11AK08Line pairing & top stretchedR709 470R high res or o/c14-09-2004
NEI11AK08Lines across picC704 0µ1 o/c14-09-2004
NEI11AK08Low gain, noisy picC428 1µ 50v o/c pin 48 IC40114-09-2004
NEI11AK08No colour - may be intCheck IC401 (low sat volts pin 26), X401 4.43Mhz Xtal, C420 18pF, R437 100k, C418 0µ1 & C419 4n714-09-2004
NEI11AK08No video - OSD OK - stuck in AV modeQ404 BC548B leaky & check for shorts pin 12 IC501 & chassis14-09-2004
NEI11AK08Pic blanks aft several hoursC707 100µ 63v leaky or fitted incorrectly14-09-2004
NEI11AK08Pic shifted upwardsC706 1000 35v scan coupling cap leaky14-09-2004
NEI11AK08Slow trippingVR801 o/c & check D809, R804/805 & IC80114-09-2004
NEI11AK08Sound - arcing noise from speakerIC40114-09-2004
NEI11AK08Sound intC364 100nF shorting to link between pins 2 & 8 IC30514-09-2004
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