| Make | Model | Problem | Solution | Date |
| | | |
| Found: 154
|
| Alba | 4859 | Dead | Q801 2SK2750 s/c, R809 0R47 safety res o/c, check R802 100k, R805 330k, R826 100k | 14-09-04 |
| Alba | 4859 11AK19 | No line drive at sw on (150v HT to LOPTr) | Dis'd D814/815 (+14 & -14v audio o/p ic supply diodes). Replacing TDA2615 aud o/p chip resulted in bright white raster & flickering LED; R914 47R 200v feed to IC901 TDA6107Q on crt base o/c & IC s/c | 14-09-04 |
| Alba | CTV4800 | No sound | Q201 2SC2703 faulty, TDA1904 audio chip faulty | 14-09-04 |
| Alba | CTV4805 | St/by only | D905 (BA157) s/c, R917 (0.65R, Fusible) o/c. | 14-09-04 |
| Alba | CTV4808 11AK19 | Comes on in st/by then if button pressed blinks pale green | Check R914 47R safety res & TDA6108JK | 14-09-04 |
| Alba | CTV4808 11AK19E3 | No tuning but tuning bar moves | Q501 BF240 - BC548C works in this position | 14-09-04 |
| Alba | CTV4850 | Field collapse - no sound | ZD402 12v 1.3w, R422 6R2 2w & C909 47µ C910 10µ | 14-09-04 |
| Alba | CTV4851 11AK19 | Dead - no LED display | R806 22k o/c | 14-09-04 |
| Alba | CTV4851 11AK19B-1 | Dead with 0nly 300v pri HT | Opto coupler faulty - though more faults may be present (esp if it went off in a thunderstorm) | 14-09-04 |
| Alba | CTV4855 | Sound o/p low tho' OSD shows ok | C202 220µ 16v sound coupling cap | 14-09-04 |
|
|
| Alba | CTV4855 (Onwa) | Low sound | C202 220µ decoupling cap AND R421 0R68 in line stage hi res (1R5) | 14-09-04 |
| Alba | CTV4855 Onwa | No sound/pic - blank raster | 5v line low at 3.6v - Q619 o/c | 14-09-04 |
| Alba | CTV4856 | Height varies & tuning comes up in wrong posn | 33v supply low at 18v - C504 0µ1 near front pcb | 14-09-04 |
| Alba | CTV4859 | Dead - no line drive - HT ok | IC401 (TDA8840) had an internal short in it dragging down the 8
volt line | 14-09-04 |
| Alba | CTV4859 | Low brightness & poor focus | Premature CRT aging | 14-09-04 |
| Alba | CTV4859 11AK10-17 | Dead | Q801 (BUZ77B), R809 (0.47R), IC801 (TDA4605-3), C817 (1µF 63v), R805 (330k 0.5w), D808 (BA159). | 14-09-04 |
| Alba | CTV4881NTX | Blank raster & no sound | 12v supply to tuner missing - R422 10R o/c; ZD402 12v zener s/c | 14-09-04 |
| Alba | CTV4881NTX | Pic size & HT varies with brill | C909 47µ, C910 10µ, Q902 2SB774 leaky (BC212 does) | 14-09-04 |
| Bush | 1485N AK19 | Int off aft 5 - 10 mins | Check for dry joints on regs - on big heatsink | 14-09-04 |
| Bush | BC6348 | Dead | 4D14 | 14-09-04 |
| Daewoo | DVT1482P | Dead | F4AH fuse o/c, chopper tr 2SD2499 s/c - used 2SD1555 in lieu, C811 100µ 16v hi esr, 220µ 25v hi esr | 14-09-04 |
| Daewoo | DVT1482P | Dead - mains fuse blackened & Chopper Tr s/c | TDA4601 control chip & C811 100µ 35v | 14-09-04 |
| Daewoo | DVT1482P | Dead with burning smell | LOPTx | 14-09-04 |
| Daewoo | DVT1482P CP310 | Sound absent in TV mode - ok in pback | Check RHS edge connector for dry joints/damaged print on video unit | 14-09-04 |
| Ferguson | 36MK48TV | Dead | No HT at cathode of DP20 - CP36 dry joint | 14-09-04 |
| Ferguson | 36MK48U | To put set in service mode | Switch set to StBy , switch off ( with on/off switch ) and switch on whilst holding down blue fastext button , press blue but | 14-09-04 |
| Goodmans | 148 | WONT STEP UP CHANNELS INT ( ALSO OTHER ODD EFFECTS | CHANGE MEM ICs ( BOTH ) IC**CAT24C02P | 14-09-04 |
| Goodmans | 148T | ROLLING AND PULLING PIC. | CHECK C703 47nf | 14-09-04 |
| Granada | C41GS5 CBP1748 | Int sw on | Opto coupler int | 14-09-04 |
| Harwood | CTV14881R | Corrugated verts | C611 220µ 25v in psu | 14-09-04 |