| Make | Model | Problem | Solution | Date |
| | | |
| Found: 509
|
| 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 |
|
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| ITT | CVC1215 | No sound | Fusible res adj to R1075 o/c; C1075 2200µ 25v s/c | 14-09-04 |
| ITT | CVC1215 | No startup. | R544 ( 560k ) o/c. | 14-09-04 |
| ITT | CVC1215 | Startup - slow with low voltages. | C733 ( 10u f ) , C728 ( 22u f ) , C614 ( 100u f ) | 14-09-04 |
| ITT | CVC1215 | Teletext break through. | D404 , C406 , C404 , C415 , & other cons around TDA. | 14-09-04 |
| ITT | CVC1215 | White lines across picture | D404 , C406 , C404 , C415 , and other cons round TDA | 14-09-04 |
| ITT | CVC1215 CVC1210 CVC1215 | BANG THEN DEAD or Blows fuse at switch on | C701 ( 10uF ) 350v | 14-09-04 |
| ITT | CVC20 | Brightness - alters tunning. | Decoder CMD10. | 14-09-04 |
| ITT | CVC20 | Cramping at top of picture. | NS phase coil L17A dry jointed or o/c. | 14-09-04 |
| ITT | CVC20 | Line tearing & frame roll. | Tripler. | 14-09-04 |
| ITT | CVC20 | No frame - transistors blown. | C21. | 14-09-04 |
| ITT | CVC20 | Tripping. | R89 high , D18 , T14 , D21/22/23 | 14-09-04 |
| ITT | CVC20 | Tuning - varies with brightness. | Decoder CMD10. | 14-09-04 |
| ITT | CVC20 | Whistle. | C45. | 14-09-04 |
| ITT | CVC20 | Width - excessive. | C72 ( 4u 7f ) s/c , D23 , D24 | 14-09-04 |
| ITT | CVC20 | Width - reduced - control has no effect. | D24 s/c. | 14-09-04 |
| ITT | CVC25 | Channel - stuck on 1. | C5 leaky. | 14-09-04 |
| ITT | CVC25 | Colour Light & dark bands of colour saturatio | Decoder/chassis earthing , 50hz pick up from leads. | 14-09-04 |
| ITT | CVC25 | Dead - blowing BU208. | R1101 ( 0.47R ) , tripler , C1102 ( 6.2nf ) | 14-09-04 |
| ITT | CVC25 | East west - blowing BD238. | Replace all components around L22-23-24. | 14-09-04 |
| ITT | CVC25 | Frame - excessive height. | D2002 ( ITT921 ) | 14-09-04 |