Make | Model | Problem | Solution | Date |
| | | |
Found: 29
|
Amstrad | CTV1400 | Buzzing - intermittent. | Adjustable capacitor on sound IF subpanel. | 14-09-04 |
Amstrad | CTV1400 | Col flickers/fback lines | F o/p tr Q702 coll only 32v (62v) - C739 100µ o/c | 14-09-04 |
Amstrad | CTV1400 | Dead | Fusible R529 0R68 1w Pt no 242741 | 14-09-04 |
Amstrad | CTV1400 | Dead - int | Crack in print between pin 6 LOPTX and R749 | 14-09-04 |
Amstrad | CTV1400 | Dead - int dead. | Drys around STK. | 14-09-04 |
Amstrad | CTV1400 | Dead - int. | Line transistor Q705 collector connection o/c. | 14-09-04 |
Amstrad | CTV1400 | dead except for slight buzz | HT ok but not reaching lop tr - break in print between lopt pin 11 & lop tr | 14-09-04 |
Amstrad | CTV1400 | Dead lop tr s/c | Dry joints line dr tfmr T701 | 14-09-04 |
Amstrad | CTV1400 | Dead with whine from psu | dry joints line dr tfmr | 14-09-04 |
Amstrad | CTV1400 | Flyback lines & colour flickering | C739 ( 100u f ) o/c | 14-09-04 |
|
Amstrad | CTV1400 | Flyback/Txt lines at top of screen | C739 100µ 50v hi esr | 14-09-04 |
Amstrad | CTV1400 | int dead | dry joints lop tr (look ok by sight) | 14-09-04 |
Amstrad | CTV1400 | Int Dead | IC502 STR451 gets hot - T501 chopper tfmr faulty | 14-09-04 |
Amstrad | CTV1400 | Int line sync on chan change | D715 & D704 faulty | 14-09-04 |
Amstrad | CTV1400 | Int pic - once a week touch | Int A1 due to LOPTx faulty | 14-09-04 |
Amstrad | CTV1400 | Int sound level & buzz | Adj cap on sound if sub panel | 14-09-04 |
Amstrad | CTV1400 | Loses Line Sync during Channel Change | D715 & D704 | 14-09-04 |
Amstrad | CTV1400 | No line sync during channel change. | Replace zeners D715 & D704. | 14-09-04 |
Amstrad | CTV1400 | Sound going low - int. | Adjustable capacitor on sound IF subpanel. | 14-09-04 |
Amstrad | CTV1400 | Weak contrast | R410 120k at pin 2 lopt | 14-09-04 |
Amstrad | CTV1400 (new) | Cogged pic | C517 33µ 160v between chopper & lop tfmrs | 14-09-04 |
Amstrad | CTV1400 new | Sound low & dist | C751 470µ 35v in o/p to spkr | 14-09-04 |
Amstrad | CTV1400T | Dead after C508 47µ & C509 10µ went o/c in PSU | Q504 2SC5287; Q503 BC547B; Q502 BC557B; R529 2R2 3W; now tripping - Q507 BUT11AF s/c; Q402 BU2508DF | 14-09-04 |
Amstrad | CTV1400T | St/by only | R520 2k7 1/2 watt; Q507 But11a; Q506; C509 10 ufd; C508 47 µ | 14-09-04 |
Bush | CTV1400 | Dead | ZD401 12v zener leaky, R414 12R 2w o/c, C909 47µ low, C408 2200µ 25v bulging, LOPTr 2SD1544 s/c, Chopper tr 2SD1431 s/c - used BU508A in lieu, R902 2R2 o/c, R919 0R68 o/c, Q902 2SB774 o/c, C910 10µ 50v bulging | 14-09-04 |
Bush | CTV1400 | Field collapse after pic restored | AN5521 field chip | 14-09-04 |
Bush | CTV1400 | int pic & sound - goes off tune | tuning volts perm 30v - Q103 emitter should be 0v - was higher due to crack in print next to tuner | 14-09-04 |
Bush | CTV1400 | Small pic - low HT (80v) | R918 0R68 1w hi resistance | 14-09-04 |
Fidelity | CTV1400 | Weak contrast | R106 10k or 110k o/c- also check R113/111 100k if fitted | 14-09-04 |