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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: 528
AkuraCX30Field collapseNo supply to FOP Trs as R422 10R ?w o/c & D420 BA133 leaky14-09-04
AkuraCX30Field collapseC311 220mfd 35v scan coupling cap o/c14-09-04

AkuraCX30Field collapseC311 220µ 50v o/c14-09-04
AkuraCX30No sound/pic - eht present (field coll)No 12v supply R418 3R3 o/c14-09-04
Amstrad3021Bright pic with fb linesR111 220k on crt base14-09-04
Amstrad3021NDeadQ1 BUZ90A s/c, F01 2A o/c, R1 270k 1w o/c, R5 680k also replaced14-09-04
AmstradCT3028No signals or tuning voltsR124 15k o/c14-09-04
AmstradCTV3012Int line - line drive low in fault conditionR601 4k7 hi res (12k)14-09-04
AmstradCTV3021NDeadF01 2A fuse o/c, Q1 BUZ90A s/c, R5 680k & R4 270k check for o/c14-09-04
AmstradCTV3021NDead - chopper Tr s/c & fuse o/cR4 270k o/c & TDA4605-3 (must have "3" suffix)14-09-04
AmstradCTV3021NDead - LOPTr instantly dies at sw onC602 7n1 1.6kv had hairline crack which couldn't be seen in cct14-09-04
AmstradCTV3021NDead no st/by ledReplace R5 680k 1/2w in psu14-09-04
AmstradCTV3021NMagenta picR209 82k 1/2w on crt pcb o/c & adj grey scale14-09-04
AmstradCTV3021NWhen replacing FETUse BUX91 (BUZ90 will not last)14-09-04
AmstradCTV3028Bright raster with flyback linesDry joints CRT base pcb by ribbon cable14-09-04
AmstradCTV3028DeadMains bridge rect s/c & fuse o/c - fit 2n2 1kv caps across rects to prevent re-ocurrence14-09-04
AmstradCTV3028Dead - no st/byR103 47k hi res14-09-04
AmstradCTV3028No pic via scart - ok with off air sigsVid present pin 15 TDA8361 jungle chip & AV sw volts ok at pin 16 - chip faulty14-09-04
AmstradCTV3028No signals - no supply to AV pin of tunerR124 o/c14-09-04
AmstradCTV3028No tuning - osd okR124 15k back edge of panel in centre o/c14-09-04
AmstradCTV3028NDead - 2A fuse o/c; BUZ90AF chopper s/cR108 270k o/c & LOP tr for tripping14-09-04
AmstradCTV3028NNo tuningR124 15k 1w o/c near chopper tfmr under tube14-09-04

AmstradCTV3032NManual tuningpress 1 - press TV- press menu and hold it, the first menu is for sound keep the button pressed and the OVERVIEW menu appears then release and press menu again this will give you a tuning menu, select the preset number then- with the cursor keys move down to tune and when you get the station you want move down to store then press vol + the word stored appears and then press TV 14-09-04
AmstradWSTV3032Dead - BU2525 LOPTr s/cWhen replaced ran hot with smoke from D01 - EW driver chip STV2145 faulty14-09-04
AmstradWSTV3032NAccessing service modeEnter code 08914-09-04
AmstradWSTV3032NRemoving child lockpress in this order P+ P- V+ V- with the round central button on the hand set, then press o.k. this has to be done in a quick shot within 4 secs, then the lock will be cleared . 14-09-04
B & O7730Int colourResolder joints to edge conn on IF panel14-09-04
B & O7730No sync & weak videoTr1 BC547C on AV/Scart pcb leaky14-09-04
B & OMX3000Various int inc field collapse, fading pic, low widthCheck for dry joints in apropriate cct14-09-04
B&O7430/7702int picTR2 BC338 on left of pcb int o/c b-e14-09-04
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