| Make | Model | Problem | Solution | Date |
| | | |
| Found: 776
|
| Matsui | 219T | FIELD COLLAPSE+IC402 OVERHEATS | C455 | 14-09-04 |
| Matsui | 219T | Field faulty | Check C429 1000µ in 26v supply first before replacing FOP chip | 14-09-04 |
| Matsui | 219T | NO CRT HEATERS-FEED BURNT UP | R436 , C450 | 14-09-04 |
| Matsui | 219T | NO SOUND | Q404 LEAKY ( B-E ) | 14-09-04 |
| Matsui | 219T | St/by only | STR50103 reg | 14-09-04 |
| Matsui | 219T | WONT CHANGE CHANNEL NO VOL CONTROL | ICP401 OPEN. CHECK K2 VOL ON IC502 FIRST | 14-09-04 |
| Matsui | 21N1 | Int crackle/hiss on sound | crack in print on NICAM pcb near plastic lugs | 14-09-04 |
| Matsui | 21V1N | Dead | dry joints C60026, D60023/24 (1N4003), T60020 chopper FET IRFB640C, IC60030 µC3843N, R60027/28 0R57 o/c | 14-09-04 |
| Matsui | 21V1N | Dead - 2.5A mains fuse blackened | BY127 mains rects s/c; IRFBC40 chopper tr T60020 s/c - used BUZ91; chopper chip UC3843 | 14-09-04 |
| Matsui | 21V1N | Dead with mains fuse o/c | R60027/8 (both 0R56), D60011/12/13/14/23/24, BUZ91 (chopper tr), IC60030 (UC3843), & check for DJ C669 | 14-09-04 |
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|
| Matsui | 21V1N | mains fuse blown | D60011/12/13/14/23/24 s/c & BUZ90 chopper tr. IC60030 replaced as precaution | 14-09-04 |
| Matsui | 21V1N | No HT control | HT pot R60027 increased in value from 0R68 to 1R6 | 14-09-04 |
| Matsui | 21V1N | No sound after psu rebuild | AF ok at I/p to Nicam panel. No 8v to IC3960 due to CD3963 sm diode LS4148 o/c | 14-09-04 |
| Matsui | 21V1N CUC7350 | Dead - HT only 25v | Check R60027 0R56 & R60026 0R56 high res or o/c | 14-09-04 |
| Matsui | 21VIN CUC7350 | Field Faulty | EEPROM could be cause | 14-09-04 |
| Matsui | 21VIN CUC7350 | Nicam absent | Channel retune, use auto tune not, direct settings Ch22= BBC1 etc When in auto tune tuning must de-fault to Nicam. | 14-09-04 |
| Matsui | 2580 | Dead | Check R808 270k & TDA4601 | 14-09-04 |
| Matsui | 2580 | Dead | CHECK R808 270K , TDA4601 | 14-09-04 |
| Matsui | 2580 | Dead - Low HT rail | C808 1mfd OC | 14-09-04 |
| Matsui | 2580 | DEAD BUT STANDBY LED ON | CHECK HT , IF LOW C808 1uF , 63V | 14-09-04 |
| Matsui | 2580 | Dead or int goes to st/by | Check 145v HT at at scan coil interlock, if missing check link between L805 & R826 for poor joints - also check fuseholder for tightness | 14-09-04 |
| Matsui | 2580 | DEAD STBY LIGHT ON | HT LOW AT 70v IF ON BUTTON HELD IN HT VARIES FROM 70v - 100v C808 1uF 63v | 14-09-04 |
| Matsui | 2580 | DULL RED ON SCREEN WITH RED FLYBACK LINES IN ONLY | IC101 ( VCU2133 ) | 14-09-04 |
| Matsui | 2580 | Dull red raster with fb lines | IC101 VCU2133 | 14-09-04 |
| Matsui | 2580 | FIELD COLLAPSE | CHECK PIN 2 TDA8175 FOR 24v PIN 7 FOR 2.5v DRIVE IF OK REPLACE IC | 14-09-04 |
| Matsui | 2580 | Height variations until heated | Check 24v supply - D804 ZPY is prone | 14-09-04 |
| Matsui | 2580 | HEIGHT VARIES | D804 IN 24v SUPPLY | 14-09-04 |
| Matsui | 2580 | HEIGHT VARIES DURING WARMUP | D804 ZPY24 | 14-09-04 |
| Matsui | 2580 | INT WON'T COME OUT OF STBY | D118 INT OC | 14-09-04 |
| Matsui | 2580 | No E-W corr | Dry joint E-W mod diodes & L901 coil had overheated | 14-09-04 |