Make | Model | Problem | Solution | Date |
| | | |
Found: 242
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Amstrad | CTV280N | Dead - squealing psu - HT only 40v approx | C926 (22uF 160V) O/C, C608 10 mfd on the same panel was also high ESR | 14-09-04 |
Amstrad | CTV280N | Field collapse | 30 volts supply from the LOPT via D407 & R434 (0.68R) was missing as the diode was short & the resistor O/C. These two parts are located to just to the left of the LOPT. The frame chip IC401 TDA3654 was dead short | 14-09-04 |
Amstrad | CTV280N | Flyback lines at top | C408 (100mfd 35 volts) | 14-09-04 |
Amstrad | CTV280N | Lack of width with no control | R423 2k2 o/c - connected to width pot | 14-09-04 |
Amstrad | CTV280N | Small pic varies in size with scene changes | C926 22µ 160v; C424 22µ 160v; near loptx hi esr | 14-09-04 |
Amstrad | CTV3012 | Int line - line drive low in fault condition | R601 4k7 hi res (12k) | 14-09-04 |
Amstrad | CTV3021N | Dead | F01 2A fuse o/c, Q1 BUZ90A s/c, R5 680k & R4 270k check for o/c | 14-09-04 |
Amstrad | CTV3021N | Dead - chopper Tr s/c & fuse o/c | R4 270k o/c & TDA4605-3 (must have "3" suffix) | 14-09-04 |
Amstrad | CTV3021N | Dead - LOPTr instantly dies at sw on | C602 7n1 1.6kv had hairline crack which couldn't be seen in cct | 14-09-04 |
Amstrad | CTV3021N | Dead no st/by led | Replace R5 680k 1/2w in psu | 14-09-04 |
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Amstrad | CTV3021N | Magenta pic | R209 82k 1/2w on crt pcb o/c & adj grey scale | 14-09-04 |
Amstrad | CTV3021N | When replacing FET | Use BUX91 (BUZ90 will not last) | 14-09-04 |
Amstrad | CTV3028 | Bright raster with flyback lines | Dry joints CRT base pcb by ribbon cable | 14-09-04 |
Amstrad | CTV3028 | Dead | Mains bridge rect s/c & fuse o/c - fit 2n2 1kv caps across rects to prevent re-ocurrence | 14-09-04 |
Amstrad | CTV3028 | Dead - no st/by | R103 47k hi res | 14-09-04 |
Amstrad | CTV3028 | No pic via scart - ok with off air sigs | Vid present pin 15 TDA8361 jungle chip & AV sw volts ok at pin 16 - chip faulty | 14-09-04 |
Amstrad | CTV3028 | No signals - no supply to AV pin of tuner | R124 o/c | 14-09-04 |
Amstrad | CTV3028 | No tuning - osd ok | R124 15k back edge of panel in centre o/c | 14-09-04 |
Amstrad | CTV3028N | Dead - 2A fuse o/c; BUZ90AF chopper s/c | R108 270k o/c & LOP tr for tripping | 14-09-04 |
Amstrad | CTV3028N | No tuning | R124 15k 1w o/c near chopper tfmr under tube | 14-09-04 |
Amstrad | CTV3032N | Manual tuning | press 1 - press TV- press menu and hold it, the first menu is for sound keep the button pressed and the OVERVIEW menu appears
then release and press menu again this will give you a tuning menu, select the preset number then- with the cursor keys move down to tune and when you get the station you want move down to store then press vol + the word stored appears and then press TV | 14-09-04 |
Amstrad | CTV3121 | Dead with psu ticking | C5 100µ 400v mains smoother | 14-09-04 |
Amstrad | CTV3121N | Blank raster only when A1 advanced | R22 0R22 in sec of psu o/c | 14-09-04 |
Amstrad | CTV3121N | St/by only | R22 0R22 risen in value to 3R6 | 14-09-04 |
Amstrad | CTV3121N | St/by only | R22 0R22 safety res o/c | 14-09-04 |
Amstrad | CTV3121NF 11AK12 | No response from R/C although R/C is outputting a signal | Was still faulty handset - dry joints IC giving wrong output codes | 14-09-04 |
Amstrad | CTV3128 | E/W dist | C592 0µ68, TDA8145 E/W chip | 14-09-04 |
Amstrad | CTV3128 | E/W faulty | C592 0µ68, TDA8145 E/W chip | 14-09-04 |
Amstrad | CTV3128 | Field scan only 2 ins plus no sigs | R124 15k 1w o/c - supplies tuning & pin 43 TDA8361 jungle chip | 14-09-04 |
Amstrad | CTV3128N | Dead | pri of the chopper transformer s/c all round (Cpc pt no AM602470003390) When replaced, fast tripping,R112 (5R2, 1/8W) o/c off pin 6 of transformer | 14-09-04 |