| Make | Model | Problem | Solution | Date |
| | | |
| Found: 776
|
| Matsui | 209T | Flyback lines | C316 in 220v supply line, R320 off pin 8 of LOPTx hi res; C303 in field stage low cap | 14-09-04 |
| Matsui | 209T | Flyback lines at top of pic | C301 100µ 50v & C303 4µ7 160v | 14-09-04 |
| Matsui | 209T | Flyback lines at top of picture | C301 ( 100uF 50v ) C303 ( 4u7 160v ) | 14-09-04 |
| Matsui | 209T | Int loss of signals | L101 150µH going o/c in 12v supply to tuner | 14-09-04 |
| Matsui | 209T | Int sync/sound/col/gain | TA7698AP chip - has correct signal entering on pin 39 but clipped & dist on pin 40 | 14-09-04 |
| Matsui | 209T | Odd int faults | R630 (1.25A fuse) - int holder or fuse | 14-09-04 |
| Matsui | 209T | R/C brings set out of st/by but no further commands from remote | IC403 NVM3060-2201 memory chip - fit genuine Matsui chip with same mask code - take care when handling & check/replace C401 1µ 50v, C417 220µ 16v, C606 10µ 50v , C607 47µ 50v | 14-09-04 |
| Matsui | 209T | Top cramping | C303 3µ3 160v | 14-09-04 |
| Matsui | 209T | txt lines at top of screen | C302 10µ 50v in blanking cct | 14-09-04 |
| Matsui | 20OR | Field collapse - sound ok | TDA3653B replaced along with 100µ 35v & 1µ & 47µ caps in psu | 14-09-04 |
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| Matsui | 20OT TM6363A | Field collapse | TDA3653B replaced along with C413 100µ 35v & C435 1µ & 47µ caps in psu | 14-09-04 |
| Matsui | 20R1 G1000 | Narrow pic with LOPTr running hot - line speed = X2 | replace the micro.ST6365BB1 ?31.08 ! | 14-09-04 |
| Matsui | 20T1 | Grey scale varies | Could be worn crt but check BF423 RGB o/p Trs for varying gain | 14-09-04 |
| Matsui | 20T1 | No sound | R550 4R7 safety res o/c next to spkr plug | 14-09-04 |
| Matsui | 20TN | Field fb lines at top | R424 22R | 14-09-04 |
| Matsui | 20TN | Field foldover with fback lines at top | R424 22R o/c | 14-09-04 |
| Matsui | 20TN | No sound, OSD or Txt | EEPROM faulty- replaced with a blank after noting orig settings, transferring & save with "clear" button on R/C | 14-09-04 |
| Matsui | 20TN | No sound, Txt or OSD | EEPROM IC703 XL24C04P & set up NVM | 14-09-04 |
| Matsui | 20TN | No sync, col, OSG or Txt | Reset Micro as follows..SC Tags adjacent to micro, switch on & press CH down 5 times to select Mix mode, press V+ to restore colour level onText. Press TV on remote to restore, switch off and remove link.
Next time you switch on all should be restored. | 14-09-04 |
| Matsui | 20TN (D4N) | Flyback lines across top ? of pic & fold over - ok in widescreen | neg supply missing from TDA8351 fop chip. R424 22R o/c | 14-09-04 |
| Matsui | 20TN (Tatung D4N) | To enter service mode after EEPROM corrupted - no sound or OSD (just black blank window) | Fit link across 2 pins of PL701, ensure aerial is in, and power up from H/set; Press Chan down 3 times. You are now in text mix mode, Adjust using vol+, Press TV button to store. Press Red Fastext button, Adjust contrast using vol+, this will restore graphics. Press TV button to store. Switch off, remove link. | 14-09-04 |
| Matsui | 20V1 | LED flashes only | C667 100µ 25v | 14-09-04 |
| Matsui | 20V1 CUC7303 | Dead | Replace T665 (MJF18004), IC630 (UC3842AN), R661 (220R) & D663 (3.6V Zener).caused by dry joint C669 | 14-09-04 |
| Matsui | 20V1 CUC7303 | LED pulsing | D667 BA157 - read ok out of cct | 14-09-04 |
| Matsui | 20V1T | Dead loptx faulty | Use Konig KN30335 | 14-09-04 |
| Matsui | 20V1T | St/by LED pulses only | R666 &667 0R82 chopper tr emitter | 14-09-04 |
| Matsui | 20V1T CUC7301 | Dead | Dry joint C669, R661 220R burnt, 2.5A fuse blackened, also replace MJF18004 chopper Tr s/c, UC3842AN blackened, D663 3v6 zener s/c, HT preset 470R o/c HT value unknown - set at 115v for full raster | 14-09-04 |
| Matsui | 2107 | Dead | Chopper control IC TDA16846 | 14-09-04 |
| Matsui | 2107N, 2107R | Service mode | Hold Vol- on TV & 9 on R/C for at least 2 sec.To navigate use Ch+/-, to adjust use Vol+/-. To exit press '8'. | 14-09-04 |
| Matsui | 2107NS | Service mode | Hold Vol- on TV & 9 on R/C for at least 2 sec.To navigate use Ch+/-, to adjust use Vol+/-. To exit press '0'. | 14-09-04 |