Make | Model | Problem | Solution | Date |
| | | |
Found: 425
|
Aiwa | VXT1450K | Field collapse | FR812 3R9 1w fusible o/c - no other fault found | 14-09-04 |
Akashi | 1450 | Dead | Q811 SF8J41 reg thy s/c - used TAG626 as replacement | 14-09-04 |
|
Akashi | 1450 | st/by only | R801 1R5 5w o/c | 14-09-04 |
Alba | CTV4850 | Field collapse - no sound | ZD402 12v 1.3w, R422 6R2 2w & C909 47µ C910 10µ | 14-09-04 |
Amstrad | CTV250 | Bright raster with fb lines | TEA5101A driver on crt base failed & feed res | 14-09-04 |
Amstrad | CTV250 | dim red raster | TDA3301B decoder chip u/s | 14-09-04 |
Amstrad | CTV250 | int off | dry joints chopper tfmr | 14-09-04 |
Amstrad | CTV250 | No contrast | Tr102 BC558 leaky c-e | 14-09-04 |
Amstrad | CTV250 | No secondary supplies | Replaced C418 100µ 25v, C489 100µ 40v, C425 1µ 400v, positor PTC401, R422 5R6 1w o/c, and chopper tfmr | 14-09-04 |
Amstrad | CTV250/280 | E/W int | dry joints CH351 choke feeding pin 5 IC351 TDA8145 | 14-09-04 |
B & O | 2500 LX2802 | Int reverts to st/by briefly with blank raster on return | Tr6 - use BC338-40 as replacement - checks ok out of cct | 14-09-04 |
B & O | 5500 | Snowy pic, no sound & erratic col | IC6 TDA8120 in IF | 14-09-04 |
B & O | L2500 | Servicing the L2500 | Picture on cover & layout. | 14-09-04 |
B & O | L2500 L | Stuck in standby. | BU508 s/c. | 14-09-04 |
B & O | L2502 | No sound | IC101 pin 7 (5.9v) = 0v C111 100µ 25v s/c | 14-09-04 |
B & O | L2502 (3866) | Dead & squealing | Resolder a mass of dry joints on the PSU & line output panel then replace the short circuit line output transistor (TR11) S2000A3. | 14-09-04 |
B & O | L2502 3866 | Int starting , chopper drive present. If pin 3 IC1 , LM358 low check R14 & R16 , 220k. | If still no go , check TR20 on Tuner IF PCB . | 14-09-04 |
B & O | L2505 | st/by only after short squeal at sw on | lop tr TR11 S2000A3 s/c and resolder dry joints esp at C34 6n8 | 14-09-04 |
B & O | L4500 | Poor pic with blue cast | 10k B vid o/p Res on CRT base o/c | 14-09-04 |
B & O | LS5000 | St/by only with LED dimming when chan butt pressed | Check connections in metal can under crt neck, esp wickman F1& micro, xtal etc - see Sept 91 TV Mag for article | 14-09-04 |
B & O | LS5000 | Txt fault - blue blocks darken on lh side | C56 4µ7 25v & check for drys around IC2 on txt pcb | 14-09-04 |
B & O | LX2500 37XX | NO STBY LED SET STUCK IN STBY | C14 470uF 16v OC | 14-09-04 |
|
B & O | LX2502 | Field distorted | Replaced C44, C45, C46, C49, C26, and C54 plus FOP chip TDA2170 that orig had dry joints | 14-09-04 |
B & O | LX5500 3903 | St/by only after initially being hard to turn on | C20 & 25 47µ 50v | 14-09-04 |
B & O | LZ5000 3766 | Won't work on batt - ok on mains | Aux sw behind mains sw contacts needed resetting - make sure battery supply is adequate | 14-09-04 |
B & O | MX1500 | INT GOES INTO SEEK | MOMENTARY SWITCH NEAR MAINS SWITCH INT SC ( REMOTE CONTACT ) | 14-09-04 |
B & O | MX1500 | Won't tune | TRANSISTOR 7070 LEAKY BC548 | 14-09-04 |
B & O | MX1500 78XX | raster but no sound or picture. | ICP1640 ( 630mA ) o/c. | 14-09-04 |
B & O | MX3500 | Crackling Sound | Dry joints audio o/p chips IC3 & 4 on PCB10 (bottom board) | 14-09-04 |
B & O | MX4500 | Vision buzz & noisy pic | Check C176 10µ under screening can | 14-09-04 |