| Make | Model | Problem | Solution | Date |
| | | |
| Found: 626
|
| Bush | 1452 Onwa | Going into standby. | Q404 ( 2SD1554 ) s/c. | 14-09-04 |
| Bush | 1452 Onwa | Height decreases as set warms up. | C911 ( 47u f 50v ) | 14-09-04 |
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| Bush | 1452 Onwa | No frame or line sync. | R619 ( 27ohm ) o/c. | 14-09-04 |
| Bush | 1452 Onwa | No sound or raster. | Dry on R913. | 14-09-04 |
| Bush | 1452 Onwa | Snowy raster - no tuning. | R646 ( 10k ) o/c. | 14-09-04 |
| Bush | 1452 Onwa | Squeal at switch on - then goes to standby. | Q404 ( 2SD1554 ) s/c. | 14-09-04 |
| Bush | 1452 Onwa | Thin black line across picture 5cm from bott. | C410 ( 1nf ) | 14-09-04 |
| Bush | 1452T | Field collapse | LA7830 field o/p chip | 14-09-04 |
| Bush | 1452T | No R/C operation - front controls ok | r/c pulses reaching IC602 pin12 - C68212Y chip faulty | 14-09-04 |
| Bush | 1452T | No sound/pic - field collapse | R425 2R7 5w (estimate) & ZD402 16v 1.2w s/c | 14-09-04 |
| Bush | 1452T Onwa | WHISTLE ON AUDIO SOUND SEVERELY DISTORTED | C143 10uF 16v OC | 14-09-04 |
| Bush | 1473T | Dead - off with flash | BUZ77B chopper s/c; R805 330k hi res at 570k; R889 0R47 o/c & replaced TDA4605-2 & C831 1µ 50v as a precaution | 14-09-04 |
| Bush | 1473T | To enter serv mode on "11AK08" version (printed on front edge of chassis) | 1 Press vol- on the keypad
2 Press 'prog' on the handset
3 Press '--' on the handset 4 Press TV on the handset (That's the one with the blank screen on it) Use prog + & - to select parameters and vol + & - to alter values. The red button stores and the exit with 'TV' | 14-09-04 |
| Bush | 1473T 11AK08 | Line tearing | C818 (47MFD 160VW), +B line smoothing capacitor (high ESR). | 14-09-04 |
| Bush | 1473T 11AK08 | Pic int smeary or dissappears | Dry joint PL901 earth wire on crt base panel | 14-09-04 |
| Bush | 1473T 11AK20 | Field collapse | R709 sm 10k adjacent to FOP chip not properly soldered in | 14-09-04 |
| Bush | 1474T | Dead | Replace D811 in the secondary of the PSU. I used a BYV28/150 as a replacement | 14-09-04 |
| Bush | 1474T (AK20) | Dead | D811 in sec of psu - used BYV28/150 | 14-09-04 |
| Bush | 1485N AK19 | Int off aft 5 - 10 mins | Check for dry joints on regs - on big heatsink | 14-09-04 |
| Bush | 1495N 11AK19 | Dead | R806 22k 1w safety res o/c | 14-09-04 |
| Bush | 1496 | Dead | Fuse EM103 o/c, EM104 ww filter melted, D103/4 u/s, R109 330k, Q101 FET 5N90 replaced with BUZ91A, TDA4506 smp chip, R101 5R6 5W | 14-09-04 |
| Bush | 14971TV | No red | Q903 BF421 s/c | 14-09-04 |
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| Bush | 1497ITV/3 11AK20S | Height stretched & width in on rh side | HT pot never been soldered | 14-09-04 |
| Bush | 1500 | Brightness excessive with little control | D406 1N4148 o/c | 14-09-04 |
| Bush | 1500 | Off tune & won't stop in search | T101 vis detector coil replaced | 14-09-04 |
| Bush | 1500 | Stuck on 1 chan with no response to R/C | Check front controls & aux contacts on mains sw for leak (Check for black glue) | 14-09-04 |
| Bush | 1500 | Weak, washed out pic - no sync | Q104 2SC1815 | 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 |