Make | Model | Problem | Solution | Date |
| | | |
Found: 626
|
Bush | T22 | Flashing red lines on green areas. | Replace C83/4/5/6 , check R103 , last align filter L9. | 14-09-04 |
Bush | T22 | Sound - distorted - no EHT. | LOP transistor part s/c. | 14-09-04 |
Bush | T22 | Startup - no startup. | R16 ( 1k ) o/c. | 14-09-04 |
Bush | T24 | Contrast - dark picture. | TR203 ( BC557 ) may check ok. | 14-09-04 |
Bush | T24 | No colour | R229 ( 3k6 ) go's high. | 14-09-04 |
Bush | T24 | Shutdown - int. | R476 ( 1M ) o/c. | 14-09-04 |
Bush | T24 | Shutdown - standby. | Zener D472 ( BZX79B6V2 ) leaky. | 14-09-04 |
Bush | T24 | Teletext - interference. | C313 ( 4.7uf ) o/c. | 14-09-04 |
Bush | T24E | Dead. | FS803 ( 3 15 ) , TR801 , D801-4 T801. | 14-09-04 |
Bush | T26A | Dead - inter ttent. | BU208A , 5D12 ( BY228 ) | 14-09-04 |
|
Bush | T26A | No raster. | D12 o/c. | 14-09-04 |
Bush | T26A | Sound - no sound or raster. | D10/11 o/c , D12 s/c. | 14-09-04 |
Bush | T26A | Tripping - int. | 7THY2 , 7D12/13 leaky or 7C5 ( 47uf ) | 14-09-04 |
Bush | TV2866 | Tuning not possible | Replace R124 15K 2W | 14-09-04 |
Bush | TV311 | Frame - height reduced & foldover. | 3VT13 , ( BC287 ) | 14-09-04 |
Bush | TV311 | No sound or picture. | 3R86 ( 150ohm ) O/C. | 14-09-04 |
Bush | TV350 | Negative picture. | Pulse winding o/c ( LOPTX ) | 14-09-04 |
Bush | TV8 | Dead aft smoking | PCB track between C307 & scan coil plug burnt. BUH515D loptr T308 s/c; TDA8170 fop chip IC401 duff; R408 0R22 in supply to it o/c | 14-09-04 |
Bush | WS6667 | Dead - LOPTr s/c - blew again when replaced | LOPTx was cause even though it checks ok | 14-09-04 |
Bush | WS6671 | Dead with LOPTr s/c - blows when replaced | Replace Q604 BC639 line driver & LOPTr with BU2525AF | 14-09-04 |
Bush | WS6671 | E-W problems | 2R7 feed res o/c caused by dry joint or o/c C630 390nF 250v | 14-09-04 |
Bush | WS6671 | int destroyed the TEA6107A RGB drive chip on Crt tube base panel | arcing CRT socket, the discharge was from the focus anode to ground ring across the spark-gap | 14-09-04 |
Bush | WS6671 | Small pic | C630 & R629 27R, also VR601 330R 5w pt no 30001151 | 14-09-04 |
Bush | WS6671 | Striations | Mod reqd - replace link J500 with 10µH choke (between Q603 & SCART) pt no BUSH608000000021 | 14-09-04 |
Bush | WS6671 11AK19 | 3 RGB test lines only showing | FOP chip TDA8351 & check for dry joints | 14-09-04 |
Bush | WS6671 11AK19 | Dead - no LED display | Replace Q802 BUZ91A ( MTP6N60 ) & D823 ( BA157) | 14-09-04 |
Bush | WS6671 11AK19 | Lack of width & R629 (2.7ohm) in EW circuit o/c | C630 (560nf) - read OK | 14-09-04 |
Bush | WS6671 11AK19P4 | Narrow pic | R629(2R7 1/3 watt fusible) plus DJ on C630. | 14-09-04 |
Bush | WS6671 11AK19P4 | Narrow pic | Dry joint/ o/c C630 560n; R629 27R? Safety o/c, L604 reads 3R (correct), Q603 PHF9NQ20T replaced - used BUK444 200A in lieu | 14-09-04 |
Bush | WS6671 11AK19P4 | Width excessive | Q603 (9NQ20T or BUK444-200 or MTP6N60E) | 14-09-04 |