| Make | Model | Problem | Solution | Date |
| | | |
| Found: 776
|
| Matsui | 1420A | No luminance | DL601, D602, D602, D613 all 1N4148 | 14-09-04 |
| Matsui | 1420A | No luminance | D602, 603 & 613 1N4148 & check Q601 2SA733 | 14-09-04 |
|
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| Matsui | 1420A | No luminance. | ( 1 ) DL601 , ( 2 ) D602/3/D613 ( 1N4148 ) | 14-09-04 |
| Matsui | 1420A | NO PIC OR SOUND FIELD 12V REG HOT | C436 | 14-09-04 |
| Matsui | 1420A | No sound/pic - EHT present - field collapse noticed when A1 advanced | 12v reg for IC401 overheating due to C436 470µ 16v s/c | 14-09-04 |
| Matsui | 1420A | None or all chan LEDs on | IC101 LA7940 | 14-09-04 |
| Matsui | 1420A | Tripping | R502 100k, R503 82k, dry joints line driver/output transfmr, LOPTx | 14-09-04 |
| Matsui | 1420A | Tripping. | ( 1 ) R502 ( 100k ) , R503 ( 82k ) , ( 2 ) Drys on LTB Tx & LOPTX , ( 3 ) LOPTX | 14-09-04 |
| Matsui | 1420A 1440A | DARK TO LIGHT SHADING ACROSS PIC | C431 ( 4.7UF ) IN RGB STAGE | 14-09-04 |
| Matsui | 1420A/1440A | Dark to light shading across pic or int bright | C431 4µ7 in RGB supply | 14-09-04 |
| Matsui | 1420B | Crackling from speaker & sound level varies | LA7520 IF chip faulty also check ceramic caps | 14-09-04 |
| Matsui | 1420T | Pin code resetting when lost | Input any 4 digit code 3 times until the screen displays ''protected''. Then hold ''volume down'' on TV and at the same time press button ''7'' on remote. | 14-09-04 |
| Matsui | 1422 | Blank raster | L108 in if strip o/c | 14-09-04 |
| Matsui | 1422 | BLANK RASTER | L108 IN IF. STAGE o.c. | 14-09-04 |
| Matsui | 1422 | BLANK RASTER | R309 | 14-09-04 |
| Matsui | 1422 | CRACKLING AUDIO | IC101 ( KA2914A ) ( EQUIV TO TA7680AP ) | 14-09-04 |
| Matsui | 1422 | DARK PIC | C507 SC | 14-09-04 |
| Matsui | 1422 | Dead | C617 & C612 4n4 1kv- usually crack -also check surge limiter Res | 14-09-04 |
| Matsui | 1422 | Dead | C617 burnt & Q604 s/c | 14-09-04 |
| Matsui | 1422 | Dead | CHECK LINE OUTPUT TRAN Q305 , C609 | 14-09-04 |
| Matsui | 1422 | Dead | C617 SC Q604 SC | 14-09-04 |
| Matsui | 1422 | Dead - HT high | Q305 s/c & C609 47µ o/c | 14-09-04 |
|
|
| Matsui | 1422 | DEAD OR BUZZING | C617 4n7 1kv C612 | 14-09-04 |
| Matsui | 1422 | Field - lack of height | C308 2µ in field lin cct | 14-09-04 |
| Matsui | 1422 | Field collapse | 56v supply missing from FOP chip due to R306 10R fusible o/c | 14-09-04 |
| Matsui | 1422 | Field collapse | Field output 56V supply missing because fusible resistor R306 ( IOR ) was open-circuit. | 14-09-04 |
| Matsui | 1422 | FIELD COLLAPSE | C249 0.22uF OPEN | 14-09-04 |
| Matsui | 1422 | LACK OF HEIGHT ABOUT AN INCH OF SCAN | C308 ( 2.2uF ) | 14-09-04 |
| Matsui | 1422 | LOW FIELD ( ONLY 1" ) | C308 2u2 | 14-09-04 |
| Matsui | 1422 | No display or tuning | D403 on front panel | 14-09-04 |