| Make | Model | Problem | Solution | Date |
| | | |
| Found: 626
|
| Bush | 2023T | Tuning lock on tho' shows off in menu | Chans 87-99 had lock on preventing other chans from tuning | 14-09-04 |
| Bush | 2023TA | Field collapse - could be int | C703 47000pf | 14-09-04 |
| Bush | 2028T (11AK10) etc | Standby is initiated when "Vol +" or "Vol -" selected | Corrupted memory IC502 - password reqd when replacing which requires a procedure too long to list here. See Serge's email on subject dated 26/10/00 | 14-09-04 |
| Bush | 2028T 11AK10-15 | Dead | Replace R809 (.47ohm) o/c-Q801(BUZ77B) s/c-R805 (330k) o/c - R821 (2.2ohm) surge limit o/c. | 14-09-04 |
| Bush | 2029T (Onwa) | Field collapse | High HT- C909 47µ, C910 10µ, ZD402 12v zener, R442 1R2 2.5w safety, TDA3653B field o/p chip all replaced | 14-09-04 |
| Bush | 2029T Onwa | Will not sw to st/by after the usual blow up & replacement of 47µ caps etc | Q507 BUT11AF s/c & driver Q506 2N5401 o/c - NOTE Q506 markings wrong on pcb - can use 2N5401 in lieu | 14-09-04 |
| Bush | 2031 11AK19-5 | Dead with no power led | HT only 60v - dis'd R823 to opto got HT up to 113v but with poor reg - C829 smoothing cap faulty | 14-09-04 |
| Bush | 2044 | Poor sound - erratic flashes on picture. | Tweak quadrature coil , flashes caused by tuner. | 14-09-04 |
| Bush | 2051T | Squeals in st/by - ok when On | replace C114 100µ, C113 22µ, C115 220µ & C116 10µ in psu | 14-09-04 |
| Bush | 2052T | Lack of contrast | R316 100k 1/2w between relay & FOP chip | 14-09-04 |
|
|
| Bush | 2052T | No sync - line or field | Remove black glue in area of IC301 | 14-09-04 |
| Bush | 2052T/A | No sound | Q616 2SC1815 in ident feed to micro IC601 (thinks there's no i/p signal) | 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 | 2059 2159NTX Onwa | Pic alternates with blank raster & corrugated verts | C915 100µ 160v in HT supply o/c | 14-09-04 |
| Bush | 2059NTX | Dead - HT present | R919 0R68 o/c in LT supply | 14-09-04 |
| Bush | 2059NTX | Height fluctuates/reduces & NICAM sound dropout | 18v supply low at 11v due to R919 1R high res | 14-09-04 |
| Bush | 2059NTX | If standby selected pic becomes dark & sound mutes | Q907 ( 2SC2335 ) | 14-09-04 |
| Bush | 2059NTX | No raster, no sound, EHT 32KV | C910 10uF, C909 47uF, R422 3R3 2w, ZD402 12 volt zener and R423 .68ohm | 14-09-04 |
| Bush | 2059NTX | No sound or raster - HT line Ok. | R919 ( 0.68ohm ) fusible o/c. | 14-09-04 |
| Bush | 2059NTX | Patterning when cold - possibly with no col | C125 100mfd 16v between IC103 & IC101 near front of pcb | 14-09-04 |
| Bush | 2059NTX | St/by only | R120 (100K ) power unit O/C | 14-09-04 |
| Bush | 2059NTX | Trips | No 17v o/p from psu sec - 6R8 surge lim res o/c | 14-09-04 |
| Bush | 2059NTX | Wont sw to st/by | Q907 2SC2335 | 14-09-04 |
| Bush | 2059TX | Brightness variations | C424 10µ 250v - video o/p supply smoother | 14-09-04 |
| Bush | 2063NTX | Field collapse | C701 4n7 leaky | 14-09-04 |
| Bush | 2063NTX/A | Dead | s/c BUZ90A o/c 330 K ( R805 ) | 14-09-04 |