| Make | Model | Problem | Solution | Date |
| | | |
| Found: 26
|
| Mitsubishi | BDS1451UK 11AH20-S | St/by only | Check D604 BA157 LH side of LOPTx & R/C is initialised after batt change - Initialise remote by pressing arrow L arrow R and arrow Down as well as
number 1 at the same time | 14-09-04 |
| Mitsubishi | BDS1451UK 11AK20-S | St/by only | Replaced IC501 (ST92195B1B1) Micro & check 4Mhx Xtal | 14-09-04 |
|
|
| Mitsubishi | Black Diamond BDS1451UK 11AK20-S | St/by only | Check 4Mhz Xtal by micro - may be dry jointed | 14-09-04 |
| NEI | 1451 | Blank raster with flyback lines - sound Ok. | R371 ( 100R fusible ) o/c ( on CRT base ) | 14-09-04 |
| NEI | 1451 | Dead | Dry joints R806 (in supply to base of chopper tr) | 14-09-04 |
| NEI | 1451 | Dead - 1.6A fuse blown. | D800 , D802 ( 1N4007 ) s/c , Q800 ( BU508A ) s/c. | 14-09-04 |
| NEI | 1451 | Dead - BU508 chopper tr Q800 s/c | R809 270k o/c | 14-09-04 |
| NEI | 1451 | Dead - fuse blown. | BU508 s/c , R801 ( 2.7R ) o/c , R809 ( 270k ) o/c , Bridge rec. | 14-09-04 |
| NEI | 1451 | Dead. | T801 windings s/c. | 14-09-04 |
| NEI | 1451 | Dead. | Line driver TX u/s , Q601 ( BC639 ) s/c. | 14-09-04 |
| NEI | 1451 | Frame collapse - blank raster. | Drys on T801. | 14-09-04 |
| NEI | 1451 | Height lacking & chans off tune | D001 33v zener | 14-09-04 |
| NEI | 1451 | Int operation | R802 blue positor pt no 28002001 ( rattles when shaken if duff) - should read approx 5k when cold | 14-09-04 |
| NEI | 1451 | Int tripping. | R605 ( 4.7k 1W ) high. | 14-09-04 |
| NEI | 1451 | Not tuning in. | Drys on pin 1 K001. | 14-09-04 |
| NEI | 1451 | Tripping. | T801 windings s/c. | 14-09-04 |
| NEI | 1451 | Uncontrolable sound. | The single green plug gos to l/h of 2 small sockets not CRT base. | 14-09-04 |
| NEI | 1451TX | Dead - int to start with | LOPTr s/c; HT dropper 2R7 o/c; 2 x mains rects; dry joints R812 47R | 14-09-04 |
| NEI | 1451TX | Dead - no line drive | R605 5k6 in HT feed to driver tr o/c | 14-09-04 |
| NEI | 1451TX | Won't tune - other buttons do strange things | Reprog EEPROM | 14-09-04 |
| NEI | NEI1451 | Int goes into st/by | RF coupling choke in base of LOPTr was int going o/c | 14-09-04 |
| Sharp | C1451E | Flashing pic after warmed up | C619 10µ 100v | 14-09-04 |
|
|
| Sharp | C1451SC | Excessive horizontal width. | Check replace C613 cap. | 14-09-04 |
| Sharp | C1451SC | Excessive horizontal width. | Check replace C613 cap. | 14-09-04 |
| Sharp | C1451SC | Foldedover picture,reduced height and visible white line in te centre of screen. | Change C508 2,2uF/35V tantalum cap. Seemed to be O.K with a VOM. | 14-09-04 |
| Sharp | C1451SC | Foldedover picture,reduced height and visible white line in te centre of screen. | Change C508 2,2uF/35V tantalum cap. Seemed to be O.K with a VOM. | 14-09-04 |