| Make | Model | Problem | Solution | Date |
| | | |
| Found: 140
|
| Alba | CTV6682 11AK12 | green flyback lines can be seen on the picture, otherwise is Okish | no green output from TDA8362A(2Y), the IC is u/s - caused by intermittently arcing LOPTx (HR6465). | 14-09-04 |
| Alba | CTV701 | No sound/pic just blank screen with swirling lines | C917 100µ 160v | 14-09-04 |
| Alba | CTV711 | Dead - 1.6A fuse blown | R801 2R7 4w o/c, BU508A chopper tr Q800 s/c, R809 270k hi res - also check bridge rect diodes | 14-09-04 |
| Alba | CTV711 | Dead - chopper tr BU508A s/c | R801 2R7 o/c mains rect s/c, caused by R809 270k | 14-09-04 |
| Alba | CTV711 | DEAD FUSE BLOWN R801 2R7 4w OC BU508A SC BRIDGE | CHECK R809 270k | 14-09-04 |
| Alba | CTV711 | Dead. | BU508A , diode in bridge rectifiercct , R801 ( 2.7ohm ) o/c , R809 ( 270k ) o/c. | 14-09-04 |
| Alba | CTV713 | Dead | Startup resistor R108 270k | 14-09-04 |
| Alba | CTV713 | Lines at top of pic | C267 4µ7 160v leaky | 14-09-04 |
| Alba | CTV713 | No pic or EHT - sound normal | No line drive out of TDA4505E pin 26. Wire link beside line preset pot s/c the pot - moved link & now ok | 14-09-04 |
| Alba | CTV713 | No pic sound ok | HT at lop tr but not at driver tr EM202 line dr tfrmr o/c winding | 14-09-04 |
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|
| Alba | CTV713 | Small pic - HT correct at 105v | C302 in line stage | 14-09-04 |
| Alba | CTV734 | CHANNEL LIGHTS NO HT | D806 SC ( POWER SUPPLY ) | 14-09-04 |
| Alba | CTV741 | Dead - Sometimes comes on if sw On/off. | Faulty mains transformer | 14-09-04 |
| Alba | CTV741 | Dead. | Posistor R802. | 14-09-04 |
| Alba | CTV741 | Int start up | Pin 9 TDA4601D only 6v - R802 positor faulty | 14-09-04 |
| Alba | CTV741 | Startup - poor startup. | Posistor R802. | 14-09-04 |
| Alba | CTV743 | Channel No's but no H.T. | D806 s/c | 14-09-04 |
| Alba | CTV743 | Dead apart from chan no's | D806 1N4936 s/c - used BYD33M | 14-09-04 |
| Alba | CTV743 | FIELD COLL + NO SOUND | R435 2R D406 SC | 14-09-04 |
| Alba | CTV743 | NO PIC OR SOUND 7 IN DISPLAY | D406 SC R435 OC 1R | 14-09-04 |
| Alba | CTV743 | No sound & field coll | R435 2R safety res o/c, D406 s/c | 14-09-04 |
| Alba | CTV743 | No start up & ch7 displayed | D406 BY228 s/c & R435 1R 1w o/c in line o/p stage | 14-09-04 |
| Alba | CTV744 | Dead - HT present | L404 in line dr cct o/c | 14-09-04 |
| Alba | CTV744 | Dead - loptx shorted | also check R425 0R68 1w, R435 10k, R383 220R, IC301 TA7698AP, R419, R424 10k, D302/3/4 & D409 1N4148 | 14-09-04 |
| Alba | CTV744 | Dead - Psu Ok , no line drive | L404 oc | 14-09-04 |
| Alba | CTV744 | Int sigs | R106 10k int o/c | 14-09-04 |
| Alba | CTV746 | Dead | R220 270k, R223 150k both o/c in psu | 14-09-04 |
| Alba | CTV840 | dead | chopper tr BU508AT s/c, R902 2R2 safety res o/c, C909, 910 47µ 50v HT now steady at 111v | 14-09-04 |
| Alba | CTV840 | Field collapse | C404 22nf int s/c req replacement of field chip LA8730 & supply diode | 14-09-04 |
| Alba | CTV840 | No tuning | R125 47R o/c, C127 470µ 16v s/c | 14-09-04 |