| Make | Model | Problem | Solution | Date |
| | | |
| Found: 185
|
| Akai | CT2579 | 2 inch gap at rh side | C516 470pf 1.6kv next to lop tx | 14-09-04 |
| Akai | CT2579N | Steady, Oversized pic | C513 scan corr cap dry joint | 14-09-04 |
| Alba | CTV57 | Dead - st/by only | No HT - R221 270k o/c & check R228 270k & Q116 s/c b-c used BC547 in lieu | 14-09-04 |
| Bush | 1557NTX | Dead. | ZD402 Zenor , R422 ( 3.3R 2W ) , C909 , 910 ( 47uf ) , Z901 ( 8.2v ) , Z902 , Q904 | 14-09-04 |
| Bush | 1557NTX | If standby selected pic becomes dark & sound mutes | Q907 ( 2SC2335 ) | 14-09-04 |
| Bush | 1557NTX | No sound or raster - HT line Ok. | R919 ( 0.68ohm ) fusible o/c. | 14-09-04 |
| Bush | 1557NTX | White raster with flyback lines. | Check for 12v on ZD402 , if low check D404 & print between D404 & R422 | 14-09-04 |
| Bush | 1557NTX (Onwa) | Tuning missing | No 33v tuning supply due to broken print by scart socket - due to rough insertion of scart plug | 14-09-04 |
| Bush | 2057 2059 2157 2 | Dead - no StBy | R919 0R68 oc ( pin 4 chopper Tx ) | 14-09-04 |
| Bush | 2057NTX | St/by only | ZD402 12v s/c, R423 0R68 safety res o/c | 14-09-04 |
|
|
| Bush | 2057NTX | stuck in st/by | ZD402 12v zener, R422 o/c, check Q901,2,3, ZD901&2, C909&10, R907 | 14-09-04 |
| Bush | 2057NTX | Stuck in standby. | ZD402 SC R423 0R68 OC IF NO STBY Q907 SC | 14-09-04 |
| Bush | 2057NTX | Won't go into st/by | Q907 2SC2335 leaky in st/by sw cct | 14-09-04 |
| Bush | 2157NTX | Dead - f901 blown. | Q904 ( 2SD1431 ) s/c. | 14-09-04 |
| Bush | 2157NTX | Dead - line transistor Q402 s/c - Ht high. | Replace ZD901/902 , Q901/2/3/7 , C909 , C910 , R918 , check pcb around Q907 | 14-09-04 |
| Bush | 2157NTX | Dead - no HT on line transistor Q402. | R918 o/c. | 14-09-04 |
| Bush | 2157NTX | Dead - set emits faint whistle. | IC102 ( TDA8305A ) | 14-09-04 |
| Bush | 2157NTX | Frame collapse. | IC401. | 14-09-04 |
| Bush | 2157NTX | Partial frame collapse may be Int. | R410 | 14-09-04 |
| Bush | 2157NTX | Set pulses at high brightness levels. | R918 high. | 14-09-04 |
| Bush | 2157NTX Onwa | Low HT | Check 0R68 res in series with HT rect also 100k in sw dr cct - 2SC2335 & 2SA1013 had overheated so also replaced | 14-09-04 |
| Bush | 2557NTX | Dead with blackened mains fuse | BR901 mains bridge rect s/c, C905 220µ 400v s/c | 14-09-04 |
| Bush | 2557NTX Onwa | Dead - s/c LOPTr & buzzing | L401 dry joint B+=145v | 14-09-04 |
| Bush | 2557NTX Onwa | Dead with psu buzzing - LOPTr s/c | Dry joints L401 & fit BU2508AF LOPTr - check separate psu caps for hi HT - 10 & 47µ | 14-09-04 |
| Bush | 2571NTX | St/by only | R826 470k ?w o/c in psu sec | 14-09-04 |
| Bush | 2571NTX 11AK19 | Blank raster, no sound, ok thro' SCART & OSD OK | IC807 7805 regulator,supply was down to 2.5V | 14-09-04 |
| Bush | 2571NTX 11AK19 | Bright green pic with fb lines | TDA108JF on crt base | 14-09-04 |
| Bush | 2571NTX 11AK19 | Field collapse | Check R704 100R safety res, if o/c change also TDA8351 FOP chip. Check 15v supply pin 3 IC701 if missing check comps from pin 6 LOPTx - D606 BA157 o/c | 14-09-04 |
| Bush | 2571NTX 11AK19 | No pic, sound /text / menu and on screen graphics all work ok | Q500 and Q504 in metal can burnt out. No reason found | 14-09-04 |
| Bush | 2571NTX 11AK19 | St/by only with psu ticking - HT about 50% of normal | Replace R866 and R867 (0.33 ohms) psu secondary LT supplies | 14-09-04 |