| Make | Model | Problem | Solution | Date |
| | | |
| Found: 235
|
| 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 |
| Blaupunkt | MS70-76 FM 100-30 | black screen | U2(200V) is missing at CRT pcb. Check fuse S720 and R1853(3K3)+V1855 (BF421) on video module. +evt. R1816+V1815 | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | No start up at power on | C450 100uF/25Vin psu between TDA 4601 & base V450. Also check L452 in Coll of V450 & all comps in psu. Recomend fit 10k between pin 1 & 9 of TDA 4601 | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | Relay clicks at sw on - otherwise dead | C441 1uF & R440 330k in psu area; 11v at V410 front left in front of modules ( measures 8 volt in Stby ) | 14-09-04 |
| Blaupunkt | MS70-76 FM 100-30 | Reverts to st/by at sw on | C450 (100uF/25V) in psu area | 14-09-04 |
| Bush | 2768NTXSIL | St/by only - LOPTr blown | Also replace line dr tr 2SC1573 | 14-09-04 |
| Bush | 2876NTX | E-W faulty | Dry joints L652 | 14-09-04 |
| Bush | 2876NTX 11AK12-9 | No sound | Dry joints P1303 | 14-09-04 |
| Bush | 2876NTX 11AK19E3 | Blank raster with 2 blue, 2 green, then 2 red, thin horizontal lines, approx. one third down screen | R 704, 100R o/c. Supply to pin 6 of frame I/C TDA 8351 caused by bad joint
on L602 | 14-09-04 |
| Bush | WS7671 | No pic(blank raster when A1 advanced) - sound ok | TDA6107Q faulty (used TDA6108 in lieu) | 14-09-04 |
|
|
| Bush | WS7671 11AK19P4 | Dead - off with a bang | IC802 MC44604P, IC801 CQY80NG CNX82 OR SEME TYPE OPT403 OPTOCOUPLER, Q802 2SK2545 MTP6N60E, R822 22K 3W, D807 RL207 BA159, D826 BA159, D827 BA159, D824 MR852 BYW98/200V | 14-09-04 |
| Bush | WS7673 | E/W faulty | Dry joints C630 caused R629 44R to go o/c | 14-09-04 |
| Bush | WS7673SIL | Dead | D002 dry joints, chopper FET s/c, L801 o/c | 14-09-04 |
| Daewoo | CP760 | pic displaced to left | crack in pin 10 loptx - no fback pulse to line gen AFC loop | 14-09-04 |
| Goldstar | CF29C76N MC51 | Blank raster & no sound - OSD OK | IC182 5v reg near tuner | 14-09-04 |
| Goldstar | CIT2176 | Dead - fuse blown | R806 270k o/c, IC801 TDA4601 s/c, Q802 2SD1911 s/c, R801 4R7 5w o/c | 14-09-04 |
| Goldstar | CIT2176 | Trips then into st/by | C710 4µ7 250v | 14-09-04 |
| Goodmans | 2576 | E/W faulty | IC18 TDA4950 | 14-09-04 |
| Goodmans | F11 2876 | Low emission crt symptom | Check feedback res R26, 28 & 29 68k on crt base | 14-09-04 |
| Hitachi | A5 C2976TN | Sparks around crt base then reverts to st/by | LOP stage tuning cap o/c & clean up print on crt base | 14-09-04 |
| Hitachi | C2576 | Set up mode exit | 1. Ensure service mode is displayed on OSD. 2. Switch to standby. | 14-09-04 |
| Hitachi | C2576TN | St/by only - stuck in prot mode | volts Q958 gate 0.7v = prot mode. Link out C932 to disable. Audio o/p chip IC4500 split & faulty | 14-09-04 |
| Hitachi | C2576TN | St/by only then dead | R95112k hi res, Q903 ON4584 s/c - used BUT18F in lieu, C915 33µ 16v & check for dries * R950 & R952 | 14-09-04 |
| Hitachi | C28300,C2576TN etc A5 chassis | Field lin & lines at top of pic | C725 33nF 400v | 14-09-04 |
| Hitachi | C28300,C2576TN etc A5 chassis | Int trips & lines | C719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot | 14-09-04 |
| Hitachi | C28300,C2576TN etc A5 chassis | Red pic with fb lines | R829 fusible on crt base o/c (not shown on cct diag) | 14-09-04 |
| Hitachi | C2976TN | Dead | C703 10nF 2Kv bulged & faulty | 14-09-04 |
| Hitachi | C2976TN | Dead - BU2508AF s/c | C703 12nF 2kv o/c | 14-09-04 |
| Hitachi | C2976TN | Dead - went off with a bang | Quietly ticking noticed - mains smoothing cap 200µ 400v o/c | 14-09-04 |
| Hitachi | C2976TN | E/W int errors | Dry joints L752 | 14-09-04 |