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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

Found: 165
NEI11AK08Black lines across picR461/463 560R connected to pins 42/43 IC401 - may measure ok14-09-04
NEI11AK08Brightness low or variesC907 1nF or 10nF 1kv leaky in A1 supply or R925 470k o/c14-09-04

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/c14-09-04
NEI11AK08Field - bottom crampC701/2 4n7 leaky, C705 33 50v o/c14-09-04
NEI11AK08Field - top crampedIC40114-09-04
NEI11AK08Field - top foldoverD701 or C703 470pF leaky, R717 1k or 560R o/c, C704 01 leaky14-09-04
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 33nF14-09-04
NEI11AK08Field cramped with bright line across centreScan coils - should read 13.5R14-09-04
NEI11AK08Field jitterR441 10M in ramp gen cct o/c or int14-09-04
NEI11AK08HT low at 85vR813 hi res14-09-04
NEI11AK08Line pairing & top stretchedR709 470R high res or o/c14-09-04
NEI11AK08Lines across picC704 01 o/c14-09-04
NEI11AK08Low gain, noisy picC428 1 50v o/c pin 48 IC40114-09-04
NEI11AK08No colour - may be intCheck IC401 (low sat volts pin 26), X401 4.43Mhz Xtal, C420 18pF, R437 100k, C418 01 & C419 4n714-09-04
NEI11AK08No video - OSD OK - stuck in AV modeQ404 BC548B leaky & check for shorts pin 12 IC501 & chassis14-09-04
NEI11AK08Pic blanks aft several hoursC707 100 63v leaky or fitted incorrectly14-09-04
NEI11AK08Pic shifted upwardsC706 1000 35v scan coupling cap leaky14-09-04
NEI11AK08Slow trippingVR801 o/c & check D809, R804/805 & IC80114-09-04
NEI11AK08Sound - arcing noise from speakerIC40114-09-04
NEI11AK08Sound intC364 100nF shorting to link between pins 2 & 8 IC30514-09-04
NEI11AK08St/by onlyIf IC501 pin 41 changes check Q802/803/804/805, D840/841 1N4148 leaky, IC802 s/c14-09-04
NEI11AK08Sync poor or absentC408 47nF leaky pin 15 jungle chip IC40114-09-04

NEI11AK08//10Servicing 11AK08 & 11AK10See TV mag Feb 200014-09-04
NEI1288No pic/sound aft 5 minsD701 LOPTr feed int o/c14-09-04
NEI1451Blank raster with flyback lines - sound Ok.R371 ( 100R fusible ) o/c ( on CRT base )14-09-04
NEI1451DeadDry joints R806 (in supply to base of chopper tr)14-09-04
NEI1451Dead - 1.6A fuse blown.D800 , D802 ( 1N4007 ) s/c , Q800 ( BU508A ) s/c.14-09-04
NEI1451Dead - BU508 chopper tr Q800 s/cR809 270k o/c14-09-04
NEI1451Dead - fuse blown.BU508 s/c , R801 ( 2.7R ) o/c , R809 ( 270k ) o/c , Bridge rec.14-09-04
NEI1451Dead.T801 windings s/c.14-09-04
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