CP775 Repair Tips
Search: CP775
Results 30
Results 30
Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
---|---|---|---|---|---|
Daewoo | CP775 | Dead - faint ticking from PSU | LOPTx faulty - check Q401 D18809a4 aka 2SD1880 for s/c and D406 for s/c | ||
Goodmans | 285NS Daewoo CP775 | Dead - faint tick from psu | Q401 2SD1880 LOPTr s/c, D406 BYW95C s/c - both caused by LOPTx faulty (HR7927) | ||
Goodmans | 285NS CP775 | Vol at max - won't adj value | I702 124LC08B EEPROM | ||
Goodmans | 285NS CP775 | Txt subtitles/mix darkens pic | Poor set up - select P888 or 120 on ITV & use RGB fastext buttons to select contrast etc. Adj in Txt - does not affect pic | ||
Goodmans | 285NS CP775 | Smearing B, R or G | R910, 911 or 912 100k on crt base | ||
Goodmans | 285NS CP775 | No sound | Dry joint 15v supply pin on SMPS Tx | ||
Goodmans | 285NS CP775 | Line foldover with ragged verts | C416 680pF 2Kv o/c | ||
Goodmans | 285NS CP775 | Int sound & pic - no tuning | Q711 KTC3202Y leaky | ||
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 | ||
Goodmans | 285NS CP775 | Field distorted or collapse | TDA8451 & TDA8375 | ||
Goodmans | 285NS CP775 | Field collapse | C305 & C403 470µ & I301 TDA8351 | ||
Goodmans | 285NS CP775 | Excess width & no E-W | C301 0.022µ s/c | ||
Goodmans | 285NS CP775 | E/W faulty | R406 4R7, D403 BY228 & Q404 KTC3198Y | ||
Goodmans | 285NS CP775 | E/W dist with lack of height | Q403 2SB546K & Q404 C3198Y | ||
Goodmans | 285NS CP775 | Dead with mains fuse FS8014A A/S blown | D803/804 & C803 | ||
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 | ||
Goodmans | 285NS CP775 | Dead - no 20v to line dr tr | C401 10µ 63v | ||
Goodmans | 285NS CP775 | Col fault - no B-Y - ok in Txt & mono | CC516 sm to pin 14 IC503 not soldered properly | ||
Goodmans | 285NS CP775 | Col bars on screen - no chroma pll | RC515 100k sm | ||
Goodmans | 285NS CP775 | Cabinet vibration at certain freqs | Speaker grilles loose - not obvious - refix |