Make | Model | Problem | Solution | Date |
| | | |
Found: 49
|
Amstrad | 3121N 11AK12 | St/by only - psu o/ps present except 12 & 8v | IC301 (CTV352/V1.4) and IC302 (ST24C02AB1). | 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 |
Beko | 11214T | Int no pic - sound ok | thyristor T701 ESM740 goes o/c intermittently ESM740 no longer available, use TR03-400T and add a 47 Ohm 0.5W resistor from gate to ground. | 14-09-04 |
Beko | 11214T | Int no pic - sound ok | T701 thy ESM740 goes o/c int - NLA -- use a TR03-400T & add 47R ?w resistor from gate to ground | 14-09-04 |
Fidelity | 3121 | St/by only - pin 2 LM317 chip I3 only 2v (sw 12v turned on by micro) | Micro faulty - order under Amstrad part no 045101070201 (Mono model CTV322) & 045101070201 (stereo model CTV352) | 14-09-04 |
Fidelity | CTV3121NF 11AK12 | Faintly tripping | D22 s/c (5v supply tfrom chopper trfrmr) & chopper transformer faulty | 14-09-04 |
|
Finlux | 5121 | service mode entering | 1.switch on with mains switch. 2. press tv>prg>ext within 5 sec of switch on. 3.key in 04 [will then run through numbers on the display] comes back to 04 and you are ready to start.10, line freq
24 r gain; 25 g gain; 26 b gain; 27 r ref; 28 g ref; 29 b ref; 12 height; 13 v lin; 14 vs correction; 15 v shift; 34 v shift; 35 tuner agc; 38 ref osc; 39 y delay; 17 width; 21 h comp; 11 h posistion; 18 para; 19 corner correction; 20 trapez. | 14-09-04 |
Hitachi | C2121T Daewoo | Squealing with no sound/pic | Burning smell coming from IC301 TDA8356 FOP chip which was faulty | 14-09-04 |
ITT | CT2600 CVC1210 | Dead - with ticking noise. | BU208A , T562 ( BD135 ) , R503 ( 100ohm ) if LOPTX hot change it. | 14-09-04 |
ITT | CVC1210 | Blank raster & may have fly back lines. | R536 ( 33k ) burnt up.Change it plus T900 ( BC238 ) decoder | 14-09-04 |
ITT | CVC1210 | Dead - power supply buzzing. | R744 o/c ( safety component ) check R503. | 14-09-04 |
ITT | CVC1210 | Int Start up | Replace C731 & C733 both ( 10uF ) C713 C703 C701 lift Cathode D712 Add 1.8ohm in series | 14-09-04 |
ITT | CVC1215 | Blank Raster & may have fly back lines | R536 ( 33k ) burnt up.Change it plus T900 ( BC238 ) decoder | 14-09-04 |
ITT | CVC1215 | Confetti interference | Focus pot | 14-09-04 |
ITT | CVC1215 | dead | Burn up on L503 - clean up & resolder | 14-09-04 |
ITT | CVC1215 | Dead | HT only 100v at LOP Tr & driver; BU208A faulty also dry joints IF can- (appeared to be the cause of demise of LOP Tr) | 14-09-04 |
ITT | CVC1215 | Dead - blows fuse at switch on. | C701 ( 10uf , 350v ) s/c | 14-09-04 |
ITT | CVC1215 | Dead - fuse gone. | BU508 checks s/c in cct 10uf C701. | 14-09-04 |
ITT | CVC1215 | Dead - power supply buzzing. | R744 o/c ( safety component ) check R503. | 14-09-04 |
ITT | CVC1215 | dead - smell of burning | 1A fuse o/c; LOP Tr BU208A leaky; HT now correct but other supplies low. Sound OK; No EHT/focus volts - T562 BD135 leaky | 14-09-04 |
ITT | CVC1215 | Distortion across centre of picture. | Line transistor heatsink earth connection. | 14-09-04 |
ITT | CVC1215 | Int - startup. | C731 , 733 , 713 , 703 , 701 + add a1.8R in series +of D712 | 14-09-04 |
ITT | CVC1215 | Int width with bowing | LOP Tr heatsink bad joints | 14-09-04 |
ITT | CVC1215 | Line collapse (faint) | C511 0.33µ burnt & o/c | 14-09-04 |
ITT | CVC1215 | Lines across centre of screen when cold | LOP Tr heatsink bad joints | 14-09-04 |
ITT | CVC1215 | No sound | Fusible res adj to R1075 o/c; C1075 2200µ 25v s/c | 14-09-04 |