Make | Model | Problem | Solution | Date |
| | | |
Found: 67
|
Akai | CT2867 SP71L | St/by only | C093 or another cap in parallelmarked R093 removing these 2 surface mounted capacitors and cleaning the glue under that had fixed them to the pcb cured the problem | 14-09-04 |
Akai | SP7101 | St/by only | Replace C093 sm (on print side) | 14-09-04 |
Daewoo | CP760 | pic displaced to left | crack in pin 10 loptx - no fback pulse to line gen AFC loop | 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 |
Daewoo | DTE28G7GB CP785 | No sound/pic - psu & line drive ok | TDA8385J FOP chip faulty | 14-09-04 |
Ferguson | 51P7 | Dead | check for dry joints on line dr trfmr (on the actual trfmr not the pcb) | 14-09-04 |
Ferguson | ICC5 59P7 | Trips 3 times then dead | LG11 E/W coil breaking down, when replaced pic 4" wide with pin cush dist. CL44 300nF o/c - also check RL44 value varies with model - around 56/120R | 14-09-04 |
Ferguson | ICC5 59P7A | Dead - sometimes trips | Replace the following; TL31 S2000AF, CL48 10.5 nF, IGO1 TDA4950, RL44 176R, RV82 10R on tube base | 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 |
Goodmans | 285NS CP775 | Excess width & no E-W | C301 0.022µ s/c | 14-09-04 |
Goodmans | 285NS CP775 | Field collapse | C305 & C403 470µ & I301 TDA8351 | 14-09-04 |
Goodmans | 285NS CP775 | Field distorted or collapse | TDA8451 & TDA8375 | 14-09-04 |
Goodmans | 285NS CP775 | Insufficient height aft pcb or crt replacement | Scan coil impedance different - change R333 from 3k to 2k & R919 from 3R3 to 0R68 | 14-09-04 |
Goodmans | 285NS CP775 | Int sound & pic - no tuning | Q711 KTC3202Y leaky | 14-09-04 |