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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: 776
Matsui2091Dead - psu working okDry joint D803S & check for other dries14-09-04
Matsui2091Dead - relay clicks at sw onHT at LOPTr 145v. Replace C805 100µ, C801 10µ, C807 & C815. No volts to Line dr Tr Q401. D401 BY133 o/c & correct HT 112v14-09-04

Matsui2091DEAD , NO HT FROM PSUC803 , C80414-09-04
Matsui2091DEAD HT COECTIC401 NO SUPPLY AT PIN 4 - D407 OC14-09-04
Matsui2091DEAD OR VERY INT.D401 OPEN ( IN4003 )14-09-04
Matsui2091Dead set with HT present at LOPTrIC401 TDA1940 has no supply pin 4. D407 o/c14-09-04
Matsui2091Field collapseD310 to pin 5 of Field o/p chip o/c (1N4003)14-09-04
Matsui2091FIELD COLLAPSED301 OC14-09-04
Matsui2091Field partially collapsedD301 1N400314-09-04
Matsui2091GOES INTO STANDBY WHEN MAINS SW REPLACEDX901 ( 10MHZ ) XTAL14-09-04
Matsui2091Int dead then permanent deadDry joints chopper tfmr14-09-04
Matsui2091Lines at top & black "shape" when coldC807S 33µ 160v, C305 470µ 25v14-09-04
Matsui2091NO STANDBY JUST MUTES SOUNDON OFF SW INT SC ON STBY CONTACTS14-09-04
Matsui2091PARTIAL FIELD COLLAPSEREPLACE D301 ( IN4003 ) WITH IN400714-09-04
Matsui2091Reverts to st/by after 2 secsIf on/off sw held in, a snowy raster appears with no OSD. Micros 10Mhz Xtal was faulty14-09-04
Matsui2091Slow or no start upC801P 10µ 16v hi esr & check for dry joints14-09-04
Matsui2091Slow start upC805 100µ 16v - also check C801 10µ16v14-09-04
Matsui2091WILL NOT GO IN OR OUT OF STANDBYD401 ( IN4003 ) , D803 DRY14-09-04
Matsui2091WILL NOT SW ONX701 ( 10MHz )14-09-04
Matsui2091Wont come out of st/by with sets on/off sw - ok with r/cQ706 2SC1815 leaky14-09-04
Matsui2091 PC04ADead pri HT okIC801 (TDA 4601), C801P (10µF/50v), C805P (100µF/50v), C807P (10µF/50v) and C...(could not read it) (1µF/50v) near C807P14-09-04
Matsui2092Dead - no line driveD411 9v1 zener in startup s/c14-09-04

Matsui2092Int goes darkR195 shorting to a jumper - repositioned14-09-04
Matsui2092Pic dark especially on dark parts of picTA8867N col decoder/timebase chip14-09-04
Matsui2092Slow start upR507 1M & R506 820k could be hi res14-09-04
Matsui2092When replacing LOPTxCheck you get exact replacement - several versions available14-09-04
Matsui2092Won't switch fully to st/byQ504 BF421 & Q503 2SD401 could be s/c14-09-04
Matsui2092TDeadLINE OUTPUT TRANSFORMER . CHECK TYPE BEFORE ORDERING14-09-04
Matsui2092TDeadmains fuse o/c due to positor14-09-04
Matsui2092TDeadSt/by HT sw tr Q503 & s/c winding LOPTx14-09-04
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