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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: 28
FidelityCTV14SNo soundNo volts pin 14 TDA3190 - D25 dry joint14-09-04
HinariCT14 ST200Uncontrollable brightness & flyback lines.Q301 s/c collecor to emitter.14-09-04

MitsubishiCT25A5STX Euro 14SFField collapseZ551 SOC3150 o/c, D553 BYD33G s/c, IC5E1 TEA2031 EW corr chip s/c pins 5 & 6, L555 15µH shorted turns14-09-04
MitsubishiCT25A5STX Euro 14SFField collapse & Z551 cct prot o/cIC5E1 TEA2031A on E/W module s/c due to L555 E/W loading coil s/c turns SEME pt no TPAR234314-09-04
MitsubishiCT25A5STX Euro 14SFField collapse with E-W fault when FOP chip replacedReplace TEA2031A FOP chip & L555 - which caused chips demise14-09-04
MitsubishiEuro 14SFdead or int deadC914 47µ 35v is sus also C905 470µ 25v14-09-04
MitsubishiEuro 14SFField collapse (pic blanked)Z551 315mA fuse in LOPTx 27v derived supply o/c, IC5E1 TEA2031A EW corr chip faulty - replaced but overheats. Possible causes - L554/514-09-04
MitsubishiEuro 14SFno / int sigsdry joints on lead by PLL IC14-09-04
MitsubishiEuro 14SF CT25A5STXField collapseZ551 cct prot o/c, IC5E1 TEA2031A on E/W pcb s/c but replacement failed shortly after replacement. L555 shorted turns (Pt no SEME TPAR2343)14-09-04
MitsubishiEuro 14SF CT25A5STXhor lines across screenC955 dry joints14-09-04
Osaki3214SDead - pri HT onlySTR50103, D508 R2M avalanche diode & bad joints at D124, C170 & R12114-09-04
Osaki3214STuning - won't stop when searchingQ133 2SC94514-09-04
Osaki3214SWON'T HOLD STATIONS ON SEARCHQ13314-09-04
PanasonicT14S3TPoor/rolling pic - vid invertedReplacing IC601 made no difference - IC1205 EEPROM faulty14-09-04
PanasonicTC14S2RDEADCHECK D806 IN POWER SUPPLY14-09-04
PANASONICTX14S2TLACK OF HEIGHT WITH FOLDOVERREPLACE R521 8.2 OHM14-09-04
PanasonicTX14S3TDead - if replacing STR chopper chipEnsure replacement has "A" suffix14-09-04
PanasonicZ5 TC14S1RDead - F801 o/cD807, D808 & chopper IC801 STR51203M - advisable to get original replacement chip from Pan14-09-04
PanasonicZ5 TX14S2Tlack of height with top foldoverR521 8.2R 2W GONE HIGH (LOPTX PIN 8) PART NO. ERQ2GJP8R214-09-04
PanasonicZ5 TX14S3TService mode accessselect ch60 "AND set sharpness to minimum." Press off timer on remote as well as V down on TV. Use V up & down to step through functions. Press +/- to alter values. Press STORE button after each adjustment is made to exit press norm button.14-09-04
PanasonicZ7 TC14S3RSelf check procPress F button & Vol - button on set & status on r/c at same time. When complete sw off set then on again & retune14-09-04
PanasonicZ7 TC14S3RWeak neg pic - as tho in wrong systemEEPROM IC1205 pt no XL24D02P-AA1 corrupted - needs self checking once fitted14-09-04

PanasonicZ7 TC14S3R/Tstuck in stbyMICRO IC1201 IN PROTECT DUE TO NO +2.6V ON PIN31, R1218 620K 0.5W O/C14-09-04
PanasonicZ7 TX14S3blank raster, sound OKR560 300K O/C14-09-04
PanasonicZ7 TX14S3dead, stby LED is low5V STBY RAIL ONLY 2V, D1202 O/C (1N4150T77)14-09-04
PanasonicZ7 TX14S3distorted pic and sound, appears to have no syncEPROM IC1205 (XL24D02PAA1)14-09-04
PanasonicZ7 TX14S3TWont find chans in chan search, those already tuned in are off tune & dist. Tall, flat & greyscale off in AV modeeeprom Part number XL24CO20-AA cured the faults. Caused by dry joint on LOPTx earth tag corrupting EEPROM. Go into"self check" mode. Done by pressing Status button on the remote & V down on set. Shows OPT O2 on screen.Can't store PP until done14-09-04
Toshiba2014SXfield - top elongated, bottom crampedC 317 a 1 mfd 35v [red cap] next to jungle IC14-09-04
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