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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: 63
HitachiCPT2050Red chroma only - no G, B or lum470k in A1 pot divider o/c14-09-04
HitachiCPT2050 SalJFrame - height erratic - going pink/green.IC TDA2653 frame IC.14-09-04
HitachiCPT2060 SalJDead.Diac DB725 ( BR100 ) s/c , CB726 & CB712 ( 4.7ufs )14-09-04
HitachiCPT2064Dead - blown fuse F901.IC901 ( STR440 ) , Q781 ( 2SD898B ) s/c.14-09-04
HitachiCPT2064No remote operation.Checks ok on detector , IC3003 ( M58485P ) in Tv set.14-09-04
HitachiCPT2064R/C inoperativeIC3003 M58485P14-09-04
HitachiCPT2080Field collapse - intFOP Tr Q651 2SD401A - also check its partner Q651 2SD401A14-09-04
HitachiCPT2082Int buzz on soundBad connection on plug PL401 in audio sect14-09-04
HitachiCPT2088Long time to come on, no front display, poor tuning with grainy pic, lack of heightCheck electrolytics in HT, 14v, 12v & 25v line14-09-04
HitachiCPT210Bright raster esp on rh side with smearing200v supply to crt pcb low due to C719 4µ7 250v o/c14-09-04

HitachiCPT2138Blank grey raster, no sound for first few minsC922 470µ 25v hi esr14-09-04
HitachiCPT2158blank raster & max soundNo 5v to micro - D911 dry joint14-09-04
HitachiCPT2158 NP85CQMk2Poor pic - dark & streakyZD801 3v3 zener on crt base leaky14-09-04
HitachiCPT2176Field - top foldoverC682 1000µ 50v in FOP stage hi esr14-09-04
HitachiCPT2188Int failure to startC604 1000µ o/c14-09-04
HitachiCPT2188No display or tuningCC107 220µ 16v by SAA1294 control chip14-09-04
HitachiCPT2188 IPSALOINT WON'T STARTC604 1000uF 25v14-09-04
HitachiCPT2188 IPSALOLINE TEARING + INT BLUE SCREENPIN 13 ICB500 SHOULD BE 11v IF NOT REPLACE TDA 257914-09-04
HitachiCPT2198Blank white rasterC720 in RGB 200v supply14-09-04
HitachiCPT2218Field crampC608 22µ 250v14-09-04
HitachiCPT2218FIELD CRAMPINGREPLACE C608 22MFD250V14-09-04
HitachiCPT2250 JNo startup.R712.14-09-04
HitachiCPT2282Dead aft degaussing therm blownReplace mains fuse & thermistor (P181 from CHS works) - won't work without this dual role therm14-09-04
HitachiCPT2288DSSt/by onlyNo o/p from sw mode PSU as LL04 coil o/c14-09-04
HitachiCPT2288DSStandby - LED on - dead.LL04 o/c - may be able to unwind & refit.14-09-04
HitachiCPT2476Bright pic varying left to rightcap in 200v supply on crt base14-09-04
HitachiCPT2476Int power offFocus spark gap dirty & int arcing14-09-04
HitachiCPT2488Blanked out pic apart from strip at top & bottom - improves with heatC574 100µ 40v in field timebase14-09-04
HitachiCPT2488 Sal kBLANKED OUT PIC EXCEPT FOR TOP AND BOTTOM OF SCRC574 100mfd , 40v14-09-04
HitachiCPT2488 Sal KDEAD NO/LOW START UP 8.5v ON PIN 8 LF0059TRY DIAC OR TB541 BC55714-09-04
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