Make | Model | Problem | Solution | Date |
| | | |
Found: 58
|
Amstrad | CTV3012 | Int line - line drive low in fault condition | R601 4k7 hi res (12k) | 14-09-04 |
Beko | 30128T | Dead - LOPTr blown & twitching/flashing when replaced | R149 Surface mounted resistor should be 1K5, was up to 41K | 14-09-04 |
Beko | 30128T | Dead & ticking | BU508DF LOPTr s/c, C140 22n 630v o/c | 14-09-04 |
Beko | 30128T | Lop tr goes s/c | C140 22n 400v o/c | 14-09-04 |
Beko | NR30128T | Dead | LOPTx commonly goes faulty - SEME LOPTX35228P & R118 10k 1/2w burns out | 14-09-04 |
Fidelity | CTV3014F | Dead - chopper tr BUZ91A s/c & 2A fuse o/c | R4 270k o/c, TDA4605-3 replaced (use correct type) | 14-09-04 |
Grundig | CUC5301 | Child lock removal | Hold in vol + vol - prog - prog + when inputting the pin no | 14-09-04 |
Grundig | CUC5301 | Dead - fuse blown. | Chopper tran T644 s/c , D681 ( BYV38 ) leaky. | 14-09-04 |
Grundig | CUC5301 | DEAD FUSE BLOWN CHOPPER SC | D681 SC | 14-09-04 |
Grundig | CUC5301 | Field Collapse | D401 12v zener s/c and hi ht due to 2 x 47µ caps | 14-09-04 |
|
Grundig | CUC5301 | Int pic - sound ok | dry joints T568 tr heatsink - mech stressed | 14-09-04 |
Grundig | CUC5301 | no r/c | 4 pin rec u/s - replace with 3 pin version | 14-09-04 |
Grundig | CUC5301 | OSD dim & outline only - ok when no sigs present | IC2541 TDA3566 col dec chip u/s | 14-09-04 |
Grundig | CUC5301 | R/C inop - no response from IR Rx | Replace IR unit TFMS4300 4 leg type, with TFMS5360 3 leg type not all 3 leg type will do | 14-09-04 |
Grundig | CUC7301 | Blown psu caused by R661 220R going hi res | also replaced IC630 UC3842, T665 MJFS8004, D663 3v6 Zener | 14-09-04 |
Grundig | CUC7301 | Dead | Dry joint C669 blows T665 & IC630 | 14-09-04 |
Grundig | CUC7301 | Dead | C669 1000pf dry joints & burnt; MJF18004 T665 s/c; ZD663 had 25R reverse resistance, D624/621 1N4007 mains rects s/c & UC3842AN faulty | 14-09-04 |
Grundig | CUC7301 | Dead - Chopper T665 blown plus - | IC630, D633 3v6 zener, D662 BA157, bridge rects D621-4 1N4007, R661 220R, R663 18R, 3 x sm diodes under psu sect, dry joints C669 | 14-09-04 |
Grundig | CUC7301 | Dead - lop tr s/c & replacement ran hot | CT169 BC858B buffer sm leaky | 14-09-04 |
Grundig | CUC7301 | Dead - R542 10k or 13k o/c | When replaced overheated again - crack in print by lopt | 14-09-04 |
Grundig | CUC7301 | Field lin poor, width reduced & HT only 100v | R666 & 667 in psu 0R82 had risen to 1R5 (values depend on crt size) | 14-09-04 |
Grundig | CUC7301 | Low sound & no set up menu | In hotel mode - to exit - hold down "i" button at sw on | 14-09-04 |
Grundig | CUC7301 | low sound -stuck in hotel mode | hold 'i' button whilst switching tv on. Use rc arrows to select hotel mode then off | 14-09-04 |
Grundig | CUC7301 | off chopper tr s/c c-b | T665 MJE18004C, D664, 666 1N4003, CD654,CD656 LS4148, IC630 UC3842A, D663 6.3v zener, R661 220R replaced & dry joint C669 | 14-09-04 |
Grundig | CUC7301 | off with a bang | C669 1000pf had dry joints causing burn up of pcb. Following parts replaced :- 2.5A fuse, IC638 uC3842AN, T665 chopper tr MJF18004C, D662 BA157 s/c, D663 ZPD3.6 3.6v zener s/c, R663 18R, R661 220R hi res, R669 5w | 14-09-04 |
Grundig | CUC7301 | Pic goes bright & may trip | CT181 BC858B & CT186 BC848B sm on main pcb | 14-09-04 |
Grundig | CUC7301 | Pic pulled across to right | CT169 BC858B sm leaky | 14-09-04 |
Grundig | CUC7301 | Poor regulation of psu | sm diodes cd 654 and cd656 leaky. They are type
LS4148 but standard 1N4148 ,s work ok. | 14-09-04 |
Grundig | CUC7301 | PSU rebuild | Check mains smoother C626 47µ 385v or PSU may need rebuilding again | 14-09-04 |
Grundig | CUC7301 | Reduced width and line tearing when TV gets hot. | Replace surface mount transistor CT169 BC858B | 14-09-04 |