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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

Found: 66
Daewoo2898STNo TxtReprog EEPROM using service remote14-09-04
DaewooCombiChild lock removalPress Bule-Yellow-Green-Red within 5-10 secs then press st/by twice14-09-04

DaewooCP240 GB20F8T2Dead or relay clicking onlyC840 47µ 25v in psu pri14-09-04
DaewooCP240 GB20F8T2No control of vol or chan change - neg pic with fb lines1703 eprom available from seme part number CAT24C08p at ?814-09-04
DaewooCP240 GB20F8T2To set up & service mode…Put set in standby then press blue yellow green red & standby to get into svc, to adjust use 4 & 7, vert centre 5 & 8 size 6 & 9 slope yellow, blue horiz centre 123 & above to ajust RGB14-09-04
DaewooCP310St/by only - relay clicks at sw onReplace HT pot VR801 4k7, D807 BYV95C, Q801 2SD1555 & I801 chopper chip TDA4601 & check for dry joints14-09-04
DaewooCP330Jumps chans and sound varies24C08P Eprom memory chip IV02 - use Daewoo type14-09-04
DaewooCP330/CP365Magenta cast after I501 replacementI501 TDA4661 chroma delay line chip could be faulty14-09-04
DaewooCP330/CP365No pic or line driveCheck drive pin 37 I701 TDA8362B, if none check 8.2v pin 36, if present replace chip, if absent check R401/2, D40114-09-04
DaewooCP330/CP365Txt absent/garbledXT01 27Mhz Xtal14-09-04
DaewooCP340Int sw offTOP210PFI, I807 14-09-04
DaewooCP365Int loss of signals - OSD okDry joints chopper tfmr14-09-04
DaewooCP365Int signalsDry joints sec of chopper tfmr14-09-04
DaewooCP365Sound - int crackleInvisible dry joint C808 270pF 1Kv - pin 3 pri of chopper Tx14-09-04
DaewooCP380Blank raster, no sound, osg or r/c when first switched on (OK after re-switched on)Earth speakers/grill to crt rimband14-09-04
DaewooCP420 GB14F7T1Int reverts to st/byRLY2 relay was operating when fault occurred - IC I807 (TOP210-PF1) the standby switch mode IC in the power supply 14-09-04
DaewooCP760pic displaced to leftcrack in pin 10 loptx - no fback pulse to line gen AFC loop14-09-04
DaewooCP775Dead - lop tr Q401 2SD1880 s/cC416 blue disc cap 680pf 2kv s/c. D503 1N4148 s/c; RC527 10R chip res; R503 10k; R409 4k7 were cause of problem14-09-04
DaewooCP775Dead with psu runningNo or low line drive at base Q402 line dr - check Trs Q405 2SA854 & Q406 2SC945 for leak14-09-04
DaewooCP775NICAM craclesreplaced SAWF for analogue type to prevent operation - bodge!14-09-04
DaewooCP775No signals - fault in tuner. replace 4-legged device ( dual gate FET SMD transistor marked MOs ) inside the tuner near aerial input. I used generic BF998 marked Mop14-09-04
DaewooCP775Pic slow to come on - sound okReplace TDA8375A jungle chip14-09-04

DaewooCP775Service remote substituteCan use universal from TopTel4 or Gumbody 4 code = 244 for serv rem R30SVC14-09-04
DaewooCP775Txt lines on bottom 1/3 pic with Sat & VCRTDA8351 FOP chip14-09-04
DaewooCP775Various faults on chan change; eg E-W, blank raster, 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
DaewooDMQ1454PStoring of tuning or analogue levels inopD912, D903 leaky & check tactile switches for leakage14-09-04
DaewooDMQ2057Bright smeary pic190v to RGB low - C426 3µ3 250v14-09-04
DaewooDMQ2059Int tripOn/Off sw momentary contacts perm connected14-09-04
DaewooDMQ2072No signals & no OSDR256 18R o/c in st/by reg cct14-09-04
DaewooDMQ2159 CP315Excess brill with fb lines at sw on - ok when heatedC426 3µ3 250v in 190v supply14-09-04
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