daewoo Repair Tips
Search: daewoo
Results 72
Results 72
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Daewoo | DMQ2059 | Int trip | On/Off sw momentary contacts perm connected | ||
| Daewoo | DMQ2057 | Bright smeary pic | 190v to RGB low - C426 3ยต3 250v | ||
| Daewoo | DMQ1454P | Storing of tuning or analogue levels inop | D912, D903 leaky & check tactile switches for leakage | ||
| Daewoo | CP775 | Various faults on chan change; eg E-W, blank raster, snow or st/by | data 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. | ||
| Daewoo | CP775 | Txt lines on bottom 1/3 pic with Sat & VCR | TDA8351 FOP chip | ||
| Daewoo | CP775 | Service remote substitute | Can use universal from TopTel4 or Gumbody 4 code = 244 for serv rem R30SVC | ||
| Daewoo | CP775 | Pic slow to come on - sound ok | Replace TDA8375A jungle chip | ||
| Daewoo | CP775 | No 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 Mop | ||
| Daewoo | CP775 | NICAM cracles | replaced SAWF for analogue type to prevent operation - bodge! | ||
| Daewoo | CP775 | Dead with psu running | No or low line drive at base Q402 line dr - check Trs Q405 2SA854 & Q406 2SC945 for leak | ||
| Daewoo | CP775 | Dead - lop tr Q401 2SD1880 s/c | C416 blue disc cap 680pf 2kv s/c. D503 1N4148 s/c; RC527 10R chip res; R503 10k; R409 4k7 were cause of problem | ||
| Daewoo | CP760 | pic displaced to left | crack in pin 10 loptx - no fback pulse to line gen AFC loop | ||
| Daewoo | CP420 GB14F7T1 | Int reverts to st/by | RLY2 relay was operating when fault occurred - IC I807 (TOP210-PF1) the standby switch mode IC in the power supply | ||
| Daewoo | CP380 | Blank raster, no sound, osg or r/c when first switched on (OK after re-switched on) | Earth speakers/grill to crt rimband | ||
| Daewoo | CP365 | Sound - int crackle | Invisible dry joint C808 270pF 1Kv - pin 3 pri of chopper Tx | ||
| Daewoo | CP365 | Int signals | Dry joints sec of chopper tfmr | ||
| Daewoo | CP365 | Int loss of signals - OSD ok | Dry joints chopper tfmr | ||
| Daewoo | CP340 | Int sw off | TOP210PFI, I807 | ||
| Daewoo | CP330/CP365 | Txt absent/garbled | XT01 27Mhz Xtal | ||
| Daewoo | CP330/CP365 | No pic or line drive | Check drive pin 37 I701 TDA8362B, if none check 8.2v pin 36, if present replace chip, if absent check R401/2, D401 |