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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: 509
ITTDigiRed picture - grey scale will not set up.T1033 tube base blue drive.14-09-04
ITTDigiSnowy raster.IC1402 ( MEA2901 )14-09-04

ITTDigiSound - crackle when on hyposound.IC670 on digi board APU 2400E.14-09-04
ITTDigiSound - no sound , picture or channel display.T742 , F701.14-09-04
ITTDigiSound - no sound on one channel.APU IC670 faulty.14-09-04
ITTDigiSound - no sound or vision.R519 burt up due to D513 , check T561/2/3.14-09-04
ITTDigiSound - varies.ICx2 ( APU ) on digi PCB.14-09-04
ITTDigiSound - will not adj correctly.Memory IC on front unit ?????0714-09-04
ITTDigiTeletext - incorrect.TPU IC640.14-09-04
ITTDigiTeletext - no teletext.TPU IC640.14-09-04
ITTDigiText - information displaced.TPU IC640.14-09-04
ITTDigiText - no text.D403.14-09-04
ITTDigi 3At sw on whisles, display lights for a sec then electronic fuse operatesOK on dummy load - s/c across -13v supply - D547 BA158, TDA2170 Field o/p chip IC401 & C548 1000µ16v s/c14-09-04
ITTDigi 3Blank rasterVCU2100A codec chip IC650 on digi board14-09-04
ITTDigi 3Col incorrectIC630 PVPU2200 or Xtal X61014-09-04
ITTDigi 3Colour faulty - osc off freq effectIC610 clock gen chip14-09-04
ITTDigi 3COMES ON AT SWITCH-ON GOES STRAIGHT OFF SMELLS OF Burning?FIELD OP IC SC TDA217014-09-04
ITTDigi 3COMES ON FOR 5secs THEN GOES DEADD547 SC IC401 TDA2170 SC C548 SC14-09-04
ITTDigi 3Crackling sound in Hyposound modeAPU2400E IC670 on digiboard14-09-04
ITTDigi 3DeadD795 s/c14-09-04
ITTDigi 3DeadCheck chopper tr T742; DPU2540 deflection proc chip can drive LOP at wrong freq14-09-04
ITTDigi 3Dead - chopper tr blowsBridge rects D703-6 req changing14-09-04

ITTDigi 3Dead - HT lowC535 1nF s/c14-09-04
ITTDigi 3Dead - R519 burntReplace D513 BY44814-09-04
ITTDigi 3Dead - trippedCheck D547 & 8 (+/- 13v rects)14-09-04
ITTDigi 3dead - trips once at sw onLOP Tr S2000 (BU508A) leaky c-e. NOTE when run on dummy load HT is only 110v (145v) - this is normal14-09-04
ITTDigi 3Dead.T738 s/c , C714 ( 10uf 50v ) o/c , C712 ( 10uf 400v ) s/c.14-09-04
ITTDigi 3Field faultyIC771 L78S05CV 5v reg 14-09-04
ITTDigi 3Field non linD411 6v8 zener14-09-04
ITTDigi 3Flyback lines at topC402,[100mf,25v]14-09-04
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