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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: 44
Bush285NSBlank raster with fb linesR409 4.7 kOhm burnt; RC529 10 Ohm SMD fusible o/c; C416 680 pF 2kV leaky14-09-04
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
Goodmans285NSCABINET RATTLEREMOVE SPEAKER GRILLS AND FIT FELT14-09-04
Goodmans285NSCAUSING TIMER PROBLEMS WITH SOME VCR'SREPLACE MICRO14-09-04
Goodmans285NSDead - LOPTx s/c between LOPTr coll & groundHR / Diemens HR7927 ?15 from Grandata Replaced TDA8351 Grandata ?214-09-04
Goodmans285NSDead - ticking2SD1880 LOPTr u/s, LOPTx (HR7927) u/s, & RGP30J diode s/c14-09-04
Goodmans285NSField faultyReplace IC301 AND C304 220µ14-09-04
Goodmans285NSFULL VOLUMEI702 EEPROM FAULTY14-09-04
Goodmans285NSLINE FOLDOVER AND EXCESIVE WIDTHREPLACE C416 BLUE 2KV TYPE14-09-04
Goodmans285NSPic slow to come on - sound okReplace TDA8375A jungle chip14-09-04
Goodmans285NSTrips once then deads/c on 12v supply to tuner - MCES will repair14-09-04
Goodmans285NSVarious faults on chan change; eg E-W, blank raster or snow or st/bydata line down to 4V (must be 5V) - D708 5.6V zener is leaky Also replace D709 5.6V zener to be on the safe side.14-09-04
Goodmans285NS (Daewoo)To set up heightReqs special handset14-09-04
Goodmans285NS (B)BLANK RASTER SOUND OK THEN PICTURE APPEARS AFTER 20 MINSREPLACE JUNGLE IC14-09-04
Goodmans285NS CP775Blank raster - sound okC416 680pF, R409 , R503 & D506 - also check D505 1N414814-09-04
Goodmans285NS CP775Buzz at low sound levelsPoor earth conns on FOP chip heatsink14-09-04
Goodmans285NS CP775Cabinet vibration at certain freqsSpeaker grilles loose - not obvious - refix14-09-04
Goodmans285NS CP775Col bars on screen - no chroma pllRC515 100k sm14-09-04
Goodmans285NS CP775Col fault - no B-Y - ok in Txt & monoCC516 sm to pin 14 IC503 not soldered properly14-09-04
Goodmans285NS CP775Dead - no 20v to line dr trC401 10µ 63v14-09-04
Goodmans285NS CP775Dead - STRR5707 reg chip blownReplace reg chip, F801 4A, R804 0R33 2w, R807 7k5 & R806 100R - caused by C807 1nF 2kv blue cap that had split & leaky - & check print condition14-09-04

Goodmans285NS CP775Dead with mains fuse FS8014A A/S blownD803/804 & C80314-09-04
Goodmans285NS CP775E/W dist with lack of heightQ403 2SB546K & Q404 C3198Y14-09-04
Goodmans285NS CP775E/W faultyR406 4R7, D403 BY228 & Q404 KTC3198Y14-09-04
Goodmans285NS CP775Excess width & no E-WC301 0.022µ s/c14-09-04
Goodmans285NS CP775Field collapseC305 & C403 470µ & I301 TDA835114-09-04
Goodmans285NS CP775Field distorted or collapseTDA8451 & TDA837514-09-04
Goodmans285NS CP775Insufficient height aft pcb or crt replacementScan coil impedance different - change R333 from 3k to 2k & R919 from 3R3 to 0R6814-09-04
Goodmans285NS CP775Int sound & pic - no tuningQ711 KTC3202Y leaky14-09-04
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