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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: 10
Goodmans255NSBright Blue blank rasterConnector on crt base leaky14-09-04
Goodmans255NSContrast weak & poor sync on AV2DA18 5v6 zener s/c14-09-04

Goodmans255NSDead with psu runningNo or low line drive at base Q402 line dr - check Trs Q405 2SA854 & Q406 2SC945 for leak14-09-04
Goodmans255NSField collapseReplace field chip IC301 (TBA8351), C413 (47uF 160v) and D408 (BYV95C) & check for dry joints14-09-04
Goodmans255NSno picture - sound, heaters, EHT were OK.Decoupling cap C417 4n7 400v leaky14-09-04
Goodmans255NSNo sync - line or fieldTDA8362 sig proc chip under screening can14-09-04
Goodmans255NSReverts to st/by intR840 150R, Q803 BUT11, D811 BYV95014-09-04
Goodmans255NSWEAK CONTRAST AND POOR SYNC ON AV2REPLACE DA1814-09-04
Goodmans255NS/285NSBlank raster int reverting to st/by - no R/C responseNo osc on I602 multi sound proc chip - resolder X601 or replace Xtal14-09-04
Goodmans255NS/285NSOSD smeary - esp on GreensI501 TDA8375A leaky across G/B I/p pins - replace IC14-09-04
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