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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: 256
Akai2185Won't go into st/byCHECK SUPPLY TO PIN 1 OPTOCOUPLER - R572 ( 470ohm )14-09-04
AkaiCT2185Reverts to st/by aft few secs from sw onPin 19 of micro low - R748 100k pull up res faulty14-09-04

AkaiCT2185-10St/by onlydry joints psu14-09-04
AkuraCX18Deado/c pri st/by tfmr14-09-04
BlaupunktIM63-18FM 100-41E-W bowing - won't correctIC555 TDA 814514-09-04
BlaupunktIM63-18FM 100-41Width excessiveD518 BY 399 s/c 14-09-04
BroksonicCTSGT8118TDead, Q501 2SD2578 s/cWhen replaced, came on with bright white raster - IC45 TDA6107Q & R996 (10R 1/2w?)14-09-04
Bush1418Dead - no st/by ledR913 330k14-09-04
BushBC6318No or intermittent sound.Dry joint from 1Z7.14-09-04
BushZ718Channel selector stuck on prog.ET6016 , 1R1106.14-09-04
BushZ718East west - poor & bent verticals.4VT16.14-09-04
BushZ718LOPTX keeps going.5C3 ( 0u 01f )14-09-04
BushZ718No signals on log.r channels.ET601614-09-04
BushZ718Tuning - drift.9Z1.614-09-04
Decca170/180Dist col - yellow faces - intC531 1µ 50v in apc loop14-09-04
Decca170/180Line o/p tr s/cAlso replace D404 BY228 E-W mod diode, Q303 (TIP31 ok) & R433 1R2 safety res14-09-04
Decca180Blowing Q403 S2000AF.C421 o/c ( value depends on CRT size.14-09-04
Decca180Brighter at rh side of screenCheck C426 & C508 0µ114-09-04
Decca180Chan display onlyHT at lop tr - no 18v pin 15 AV plug (M00-1) 26v ok at pin 1 caused by burnt skt pin 15 - hard wired14-09-04
Decca180Chan display only - no 18v to regBad joints pin 15 scart conn14-09-04
Decca180Dead - chopper tr s/cCheck 120 & 150k feedback Rs & 220R res next to chopper tr14-09-04
Decca180Green tint to picture.R212 ( 47k ) high.14-09-04

Decca180instantly blows S2000AF lop tr Q403C433 6.8nf 2kv in e-w cct o/c14-09-04
Decca180Int frame collapse - destroys TDA3651.C306 ( 100uf 50v ) o/c.14-09-04
Decca180Low contrast120k res under lopt14-09-04
Decca180NO SOUND OR PIC LED LITIC1001 SAB303514-09-04
Decca180No sound or raster - display Ok - no 12v railDrys on pins 1&15 of M152 connector ( audio/scart pcb ) must remove.14-09-04
Decca180No syncMAB8441P-T049 Txt chip14-09-04
Decca180Only possible to select one channel.Front panel membrane , or IC702 ( CITAC )14-09-04
Decca180Pale picture - lack of contrast - control u/sL506 o/c.14-09-04
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