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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: 154
AkaiTV2034St/by only with HT only half normal & LED flashingStuck in chjld lock mode - disable using handset14-09-04
AkaiTV3451 Stereo+2DeadVO1014-09-04

AkuraCX34Int line tear & switching to standby.Replace wire links under IC307 bypass holder , IC301 ( VSP2860 )14-09-04
AkuraCX34Switching to standby & int line tear.Replace wire links under IC307 bypass holder , IC301 ( VSP2860 )14-09-04
AlbaCTV3400Field foldover at top when cold - HT low at 96v (115v)Q506 o/c14-09-04
AlbaCTV3408DeadRP4 o/c in PSU 330K14-09-04
AlbaCTV3409Dead fuse ok Q801 s/cReplace Q801 BUZ77, R809 0R47 ?w fusible, R805 330k 1W14-09-04
AlbaCTV3409 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
AlbaCTV3458DeadRP4 330k o/c14-09-04
AlbaCTV3458Dead - BUZ90 chopper s/cD5 FR144 in snubber network s/c - also replace R4 & 5 & TDA460514-09-04
AlbaCTV3458Dead with mains fuse blownC8 1nF 1kv leaky14-09-04
AlbaCTV3458Field collapsed to 1"R25 12k o/c - feed to 33v supply14-09-04
AlbaCTV3459Int Field collapse with it turning offBlanket resolder field stages even if they look ok14-09-04
AlbaCTV734CHANNEL LIGHTS NO HTD806 SC ( POWER SUPPLY )14-09-04
B & O3400Frame - int frame , sound & vision.OTR8 or 2TR2814-09-04
B & O3400Int Field Scan And Also Sound On Vison2TR8 And/Or 0tr2814-09-04
B & O3400Intermittent Lin Drive Sound On Vison2TR8 And/Or 0tr2814-09-04
B & O3400Intermittent Line DriveCheck 2TR2 , 2D20 , 2D314-09-04
Bush1433/1434/1435DeadQ801 chopper s/c, R809 surge lim o/c, also replace R804, 805 & IC80114-09-04
Bush1433/34/35DEADQ801 S/C R809 O/C. REPLACE BOTH THESE AND R804/805 AND IC80114-09-04
Bush1434DeadIC801 TDA4605-3 (must have suffix), R805 330k.Q801 BUZ77B and R809 .47ohm14-09-04
Bush1434Dead - BU808DF1 faulty but runs hot on replacementC602 in Trs base cct faulty14-09-04

Bush1434No start upQ801 BUZ90; 1w 330k resistor risen in value14-09-04
Bush1434 11AK20M-3Int tuning - no sigsresolder SMD`s around R584 / R521, located on underside of PCB near IC50114-09-04
Bush1434 11AK20M-3Shuts down with ticking noiseD604 BA157 s/c14-09-04
Bush3463NTX 4400No sound/pic - no 5vTP6 BD44114-09-04
Bush3472NTXSt/by light blinks onlyLOPTr S2000A s/c & LOPTx insulation breakdown - CHS order code FBT4056414-09-04
Bush3472NTX 4400No pic - blank rasterTP6 BD441 in +5v supply14-09-04
Bush3472NTX Pro 4400No pic or OSD - only blank rasterCheck TP6 BD441 in 5v supply & DC4 1N4148 in BCL cct leaky between LOPTx & Scart. Check volts pin 22 TDA8843, (no higher than +3V) - > +3.6V then IC would disable RGB o/p to prevent crt burn.14-09-04
BushBC6348Dead4D1414-09-04
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