Make | Model | Problem | Solution | Date |
| | | |
Found: 92
|
B & O | 5102 77XX | Intermittent negative picture. | Dry joints on i.f. board connector , in vision detect can. | 14-09-04 |
B & O | 5102 77XX | Negative picture - intermittently. | Drys on IF edge connector , & earthg lugs in vision can. | 14-09-04 |
|
B & O | 7700 | No colour - ok on Txt | No 11.8v - 3C1 22µ 25v s/c | 14-09-04 |
B & O | 7702 7XXXX | Dead with no standby LED - intermittent. | Drys on or T2 standby transformer. | 14-09-04 |
B & O | 7730 | Int colour | Resolder joints to edge conn on IF panel | 14-09-04 |
B & O | 7730 | No sync & weak video | Tr1 BC547C on AV/Scart pcb leaky | 14-09-04 |
B&O | 7430/7702 | int pic | TR2 BC338 on left of pcb int o/c b-e | 14-09-04 |
Bush | 2877NTX | Dead with chopper tr s/c | Replace chopper Q802 MTP6N60E pt no 30001386 & D824 s/c pt no 30001319 | 14-09-04 |
Bush | 2877NTX | Remote cont int or not working | Dry joints PL502 ribbon cable on main pcb from front control pcb | 14-09-04 |
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 | 14-09-04 |
Daewoo | CP775 | Dead with psu running | No or low line drive at base Q402 line dr - check Trs Q405 2SA854 & Q406 2SC945 for leak | 14-09-04 |
Daewoo | CP775 | NICAM cracles | replaced SAWF for analogue type to prevent operation - bodge! | 14-09-04 |
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 | 14-09-04 |
Daewoo | CP775 | Pic slow to come on - sound ok | Replace TDA8375A jungle chip | 14-09-04 |
Daewoo | CP775 | Service remote substitute | Can use universal from TopTel4 or Gumbody 4 code = 244 for serv rem R30SVC | 14-09-04 |
Daewoo | CP775 | Txt lines on bottom 1/3 pic with Sat & VCR | TDA8351 FOP chip | 14-09-04 |
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. | 14-09-04 |
Dansai | CTV1477 | Dead - faint whistling from PSU. | C617 small blue disc type. | 14-09-04 |
Dansai | CTV1477 | Dead apart from whistling from psu | C617 blue disc cap pinhole in it | 14-09-04 |
Dansai | CTV1477 | No Sound. | Speaker O/C. | 14-09-04 |
Goodmans | 285NS CP775 | Blank raster - sound ok | C416 680pF, R409 , R503 & D506 - also check D505 1N4148 | 14-09-04 |
Goodmans | 285NS CP775 | Buzz at low sound levels | Poor earth conns on FOP chip heatsink | 14-09-04 |
|
Goodmans | 285NS CP775 | Cabinet vibration at certain freqs | Speaker grilles loose - not obvious - refix | 14-09-04 |
Goodmans | 285NS CP775 | Col bars on screen - no chroma pll | RC515 100k sm | 14-09-04 |
Goodmans | 285NS CP775 | Col fault - no B-Y - ok in Txt & mono | CC516 sm to pin 14 IC503 not soldered properly | 14-09-04 |
Goodmans | 285NS CP775 | Dead - no 20v to line dr tr | C401 10µ 63v | 14-09-04 |
Goodmans | 285NS CP775 | Dead - STRR5707 reg chip blown | Replace reg chip, F801 4A, R804 0R33 2w, R807 7k5 & R806 100R - caused by C807 1nF 2kv blue cap that had split & leaky - & check print condition | 14-09-04 |
Goodmans | 285NS CP775 | Dead with mains fuse FS8014A A/S blown | D803/804 & C803 | 14-09-04 |
Goodmans | 285NS CP775 | E/W dist with lack of height | Q403 2SB546K & Q404 C3198Y | 14-09-04 |
Goodmans | 285NS CP775 | E/W faulty | R406 4R7, D403 BY228 & Q404 KTC3198Y | 14-09-04 |