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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: 75
AmstradCTV250/280E/W intdry joints CH351 choke feeding pin 5 IC351 TDA814514-09-04
AmstradCTV280No soundT281 on nicam pcb14-09-04

AmstradCTV280NDead - no st/byD902 BA158 s/c in snubber cct14-09-04
AmstradCTV280NDead - squealing psu - HT only 40v approxC926 (22uF 160V) O/C, C608 10 mfd on the same panel was also high ESR14-09-04
AmstradCTV280NField collapse30 volts supply from the LOPT via D407 & R434 (0.68R) was missing as the diode was short & the resistor O/C. These two parts are located to just to the left of the LOPT. The frame chip IC401 TDA3654 was dead short 14-09-04
AmstradCTV280NFlyback lines at topC408 (100mfd 35 volts) 14-09-04
AmstradCTV280NLack of width with no control R423 2k2 o/c - connected to width pot14-09-04
AmstradCTV280NSmall pic varies in size with scene changesC926 22µ 160v; C424 22µ 160v; near loptx hi esr14-09-04
B & O2500 LX2802Int reverts to st/by briefly with blank raster on returnTr6 - use BC338-40 as replacement - checks ok out of cct14-09-04
B & OLX2800Blank raster & no sound - OSD OKC18 on decoder board dry joint14-09-04
B & OLX2800 37XXSync - poor sync.26IC5 ( TDA1940 )14-09-04
B&OLX2802no raster field collapseTDA2170 u/s nla TDA8172 in lieu c/w adaptor + 4R78 3k3, 4R85 0R5614-09-04
Goodmans2808 ICC9No tuning - ok thro' SCARTTH01 BC847B sm14-09-04
Goodmans2808 ICC9White streaks over screenTC03 BC858B sm lum buffer14-09-04
GoodmansF19 W280NSDeadVolts on IC1 pulsing & no volts pin 1 - R7 10k hi res14-09-04
GoodmansF19 W280NSNo soundPut set in service mode & press vol up button14-09-04
GoodmansF19 W280NSNo vol adj or sound menuDry joints Skt A13 on main pcb from NICAM panel14-09-04
GoodmansW280NSDead - arcing LOPTx killed itSEME type 1362.5001 code is LOPTX1324 ?27. The orig no. 1372.0066A 14-09-04
GoodmansW280NSDead - repeatedly blows LOPTrLOP tuning cap 15nF dry jointed14-09-04
GoodmansW280NSService mode enteringWith TV off, press & hold middle button of 5 under flap. Press on off button whilst still holding button for 3 secs then press st/by on handset. Store with yellow button14-09-04
GoodmansW280NSTrippingDry joints C68 & C71 & LOPTr slightly leaky14-09-04
GoodmansW280NS Formenti F19Service mode accessSw on TV holding in Vol+. Release vol button & press St/by on r/c within 3 secs. To save settings press yellow "mem" button else press TV/AV to exit without saving changes14-09-04

GrundigCUC2800Arcing from LOPTx former to adjacent componentsTripler faulty14-09-04
GrundigCUC2800Dead - psu working okRelay contacts14-09-04
GrundigCUC2800No soundCheck TDA6200 sound proc & U2829B sound dem chip14-09-04
GrundigCUC2800Sound from one chan only & no brill adjMicro SDA2011-A005 faulty14-09-04
GrundigCUC2800Sound low & distU2829B IC sound chip14-09-04
GrundigCUC2800The tripler had failed. After replacing it the setMicrocontroller chip type SDA2011 -AOO5 . Make sure that you get the right one for the set.14-09-04
HitachiC2808Int lh chan soundC420 470µ spkr coupling cap o/c14-09-04
HitachiCPT2808DeadCheck hi value res in psu - 100k o/c14-09-04
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