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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: 105
AiwaC202KERField collapseFusible link 1500 marked as jumper lead from loptx to reg via D681314-09-04
AmstradCTV2020/2028 Bush 2866Searches but finds no sigsR124 15K 2W O/C located behind the PSU in the centre nearest the front controls14-09-04

Beko20230TDiagonal white/black lines across the top 6-7 inches of the frame.220 ohms res , o/c or high res , mounted on the scan coils.14-09-04
Bush2020180v rail low at about 105v.C416 ( 10uf 250v ) Adj to LOPT.14-09-04
Bush2020Blank raster - A1 brings up pic but then sameIC501 ( TDA3562A-TFK ) , A1 control not set correctly.14-09-04
Bush2020Blank raster with vertical black bands.IC02 socket.14-09-04
Bush2020Bright white screen or dark picture.R424 ( 27k ) o/c.14-09-04
Bush2020Brightness varies.R425 ( 56k ) o/c.14-09-04
Bush2020DeadR816 ( 4.7ohm ) Q801 s/c R808 ( 270K ) o/c14-09-04
Bush2020Dead - B+ volts present - no 12v to line dr trR811 1R1/2w safety res o/c14-09-04
Bush2020Dead - Fuse Not BlownR816 ( 4.7ohm ) o/c , Q801 o/c , R808 ( 270K ) o/c14-09-04
Bush2020Dead - HT Ok - no line drive.C808 ( 1000uf 25v ) , D805 s/c.14-09-04
Bush2020Dead with burning smell - fuse Ok.C808 ( 1000uf 25v ) , R811 ( 1ohm ) o/c.14-09-04
Bush2020Dead.C820 ( 100pf ) , C817 ( 10uf ) , C802 ( 100uf ) , R801 ( .68R ) , C810220uf ) , IC801.14-09-04
Bush2020High 110v HT.C818 ( 1uf 50v )14-09-04
Bush2020Int blank raster - red frame collapse.Drys on C307.14-09-04
Bush2020Int blank screen &/or thin red line across screenDry joint C307 - hidden under a strut14-09-04
Bush2020INT BLANK SCREEN OR SOMETIMES THIN LINE LIKE FIELDC307 HIDDEN BY PLASTIC STRUT14-09-04
Bush2020Int colourCrack in print around dec chip14-09-04
Bush2020Int no picture.IC02 ( TPU2732 )14-09-04
Bush2020Int red frame collapse.Drys on C307.14-09-04
Bush2020JUMPS IN AND OUT OF SBY DURING CHAN CHANGE OR ADJUCHANGE IC2 MDA2061 EEPROM14-09-04

Bush2020Jumps in/out of st/by at chan changeIC2 MDA2061 EEPROM14-09-04
Bush2020Long time for pic to appear at sw onDue to ageing tube with auto grey scale - fit 100k res between "auto" & 12v pins on CRT base14-09-04
Bush2020No col & Chan UP control does Chan DOWNReprogram micro (MDA2061 eprom) - TV Feb9414-09-04
Bush2020No colourCheck TDA3562A by subst & R251 18k o/c (If using non TFK chip as replacement change R513 from 180k to 68k & R515 from 120k to 150k14-09-04
Bush2020No display - set trips after a few minutes.C22 ( 470uf14-09-04
Bush2020NO FIELD , SOUND OR CHAN DISP.R422 OC. 2R014-09-04
Bush2020NO SOUND OR PICTURE OR CHANNEL DISPLAYTR1 + TR2 BC237 IN RESET CCT14-09-04
Bush2020Patterning & field cramping in centreC806 1000µ 16v14-09-04
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