| Make | Model | Problem | Solution | Date |
| | | |
| Found: 626
|
| Bush | 2321 | Uncontrollable brightness. | C416 ( 10uf 250v ) o/c. | 14-09-04 |
| Bush | 2321T | Dead | R601 10k 2.5w burnt up, C600 10µ 250v, C603 0µ047 250v & LOPTX faulty which was start of the trouble | 14-09-04 |
|
|
| Bush | 2321T | Distorted sound. | IC SAA1293. | 14-09-04 |
| Bush | 2321T | No colour. | Check o/c at plug 10 , TDA if not T/funk Change R515 ( 133k ) R513 ( 68k ) | 14-09-04 |
| Bush | 2321T | No pic or int loss of pic | Through the board links dry joints on Txt panel | 14-09-04 |
| Bush | 2321T | No pic/sound - st/by colons fade away | C802 100µ 16v in chopper Tr base | 14-09-04 |
| Bush | 2321T | NO PICTURE OR SOUND STBY COLONS FADE AFTER 10secs | C802 100uF 16v CHOPPER TRANSISTOR COUPLER | 14-09-04 |
| Bush | 2321T | Slow startup - Ok after a few mins. | Change R515 ( 133k ) , R513 ( 68k ) on decoder PCB. | 14-09-04 |
| Bush | 2420 | sound muting on some chans & no search lock | sync pulses at Q403 varying - base bias res R424 750k o/c | 14-09-04 |
| Bush | 2514 | Dead - no psu operation | R800 820k, R809 270k, C819 100µ 10v, C820 1µ 100v, C810 100µ 16v | 14-09-04 |
| Bush | 2514T | Dead | R801 2R7 4w dropper o/c; Q800 BU508A chopper tr s/c; R800 820k, R809 270k & 2 mains rects s/c all replaced | 14-09-04 |
| Bush | 2515T | DEAD AFTER REPLACING 270k + 4R7 + CHOPPER TRANSIST | IC803 LM317T 12v REG US | 14-09-04 |
| Bush | 2515T | St/by only | IC803 LM317T 12v reg chip | 14-09-04 |
| Bush | 2520 | Low gain, noisy pic | TDA4505 IC100 | 14-09-04 |
| Bush | 2520 | No pic or crt heaters - sound ok | R605 5k6 in HT feed to driver tr o/c | 14-09-04 |
| Bush | 2520 | POOR START UP | R802 DRY R800 820k HIGH | 14-09-04 |
| Bush | 2520 | Several attempts reqd to switch on | R802 therm dry joints, R800 820k hi res | 14-09-04 |
| Bush | 2520 | Sound ok no pic | R605 ( 5.6K ) o/c | 14-09-04 |
| Bush | 2520 | TUNER LOOKS LOW GAIN | TDA4505 US | 14-09-04 |
| Bush | 2520T | From cold will come on if warm will not | R809 ( 820K ) o/c | 14-09-04 |
| Bush | 2520T | Won't switch on from warm | R809 820k o/c - how did it work at all? | 14-09-04 |
| Bush | 2521T | Faint raster with fb lines | Dry joint pin 5 K501 plug resulted in TDA3661A chip blowing | 14-09-04 |
|
|
| Bush | 2521T | Notes on the Bush 2521T | See TV Mag Feb 1994 | 14-09-04 |
| Bush | 2550NTX | Cuts out aft several hrs with HT rail pulsing | R816 47R sm feedback to chopper chip int o/c | 14-09-04 |
| Bush | 2550NTX | Preventative maintenance | Check scan coil plug for dry joints - if burn up occurs could be write off | 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 | 2568NTX | Dead - bows LOPTr | Check drys on scan coil plug AND pins | 14-09-04 |
| Bush | 2568NTX | EW & width | R629 2R7 1/2w o/c | 14-09-04 |