| Make | Model | Problem | Solution | Date |
| | | |
| Found: 509
|
| ITT | Digi | Red picture - grey scale will not set up. | T1033 tube base blue drive. | 14-09-04 |
| ITT | Digi | Snowy raster. | IC1402 ( MEA2901 ) | 14-09-04 |
| ITT | Digi | Sound - crackle when on hyposound. | IC670 on digi board APU 2400E. | 14-09-04 |
| ITT | Digi | Sound - no sound , picture or channel display. | T742 , F701. | 14-09-04 |
| ITT | Digi | Sound - no sound on one channel. | APU IC670 faulty. | 14-09-04 |
| ITT | Digi | Sound - no sound or vision. | R519 burt up due to D513 , check T561/2/3. | 14-09-04 |
| ITT | Digi | Sound - varies. | ICx2 ( APU ) on digi PCB. | 14-09-04 |
| ITT | Digi | Sound - will not adj correctly. | Memory IC on front unit ?????07 | 14-09-04 |
| ITT | Digi | Teletext - incorrect. | TPU IC640. | 14-09-04 |
| ITT | Digi | Teletext - no teletext. | TPU IC640. | 14-09-04 |
|
|
| ITT | Digi | Text - information displaced. | TPU IC640. | 14-09-04 |
| ITT | Digi | Text - no text. | D403. | 14-09-04 |
| ITT | Digi 3 | At sw on whisles, display lights for a sec then electronic fuse operates | OK on dummy load - s/c across -13v supply - D547 BA158, TDA2170 Field o/p chip IC401 & C548 1000µ16v s/c | 14-09-04 |
| ITT | Digi 3 | Blank raster | VCU2100A codec chip IC650 on digi board | 14-09-04 |
| ITT | Digi 3 | Col incorrect | IC630 PVPU2200 or Xtal X610 | 14-09-04 |
| ITT | Digi 3 | Colour faulty - osc off freq effect | IC610 clock gen chip | 14-09-04 |
| ITT | Digi 3 | COMES ON AT SWITCH-ON GOES STRAIGHT OFF SMELLS OF Burning? | FIELD OP IC SC TDA2170 | 14-09-04 |
| ITT | Digi 3 | COMES ON FOR 5secs THEN GOES DEAD | D547 SC IC401 TDA2170 SC C548 SC | 14-09-04 |
| ITT | Digi 3 | Crackling sound in Hyposound mode | APU2400E IC670 on digiboard | 14-09-04 |
| ITT | Digi 3 | Dead | D795 s/c | 14-09-04 |
| ITT | Digi 3 | Dead | Check chopper tr T742; DPU2540 deflection proc chip can drive LOP at wrong freq | 14-09-04 |
| ITT | Digi 3 | Dead - chopper tr blows | Bridge rects D703-6 req changing | 14-09-04 |
| ITT | Digi 3 | Dead - HT low | C535 1nF s/c | 14-09-04 |
| ITT | Digi 3 | Dead - R519 burnt | Replace D513 BY448 | 14-09-04 |
| ITT | Digi 3 | Dead - tripped | Check D547 & 8 (+/- 13v rects) | 14-09-04 |
| ITT | Digi 3 | dead - trips once at sw on | LOP Tr S2000 (BU508A) leaky c-e. NOTE when run on dummy load HT is only 110v (145v) - this is normal | 14-09-04 |
| ITT | Digi 3 | Dead. | T738 s/c , C714 ( 10uf 50v ) o/c , C712 ( 10uf 400v ) s/c. | 14-09-04 |
| ITT | Digi 3 | Field faulty | IC771 L78S05CV 5v reg | 14-09-04 |
| ITT | Digi 3 | Field non lin | D411 6v8 zener | 14-09-04 |
| ITT | Digi 3 | Flyback lines at top | C402,[100mf,25v] | 14-09-04 |