Dicas Reparação
Modelo - Chassis 1420
Pesquisa: 1420 Enviar Dica Resolvida
Resultados 103
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Matsui | 1420A | Tripping. | ( 1 ) R502 ( 100k ) , R503 ( 82k ) , ( 2 ) Drys on LTB Tx & LOPTX , ( 3 ) LOPTX | ||
| Matsui | 1420A | Tripping | R502 100k, R503 82k, dry joints line driver/output transfmr, LOPTx | ||
| Matsui | 1420A | None or all chan LEDs on | IC101 LA7940 | ||
| 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 | ||
| Matsui | 1420A | NO PIC OR SOUND FIELD 12V REG HOT | C436 | ||
| Matsui | 1420A | No luminance. | ( 1 ) DL601 , ( 2 ) D602/3/D613 ( 1N4148 ) | ||
| Matsui | 1420A | No luminance | D602, 603 & 613 1N4148 & check Q601 2SA733 | ||
| Matsui | 1420A | No luminance | DL601, D602, D602, D613 all 1N4148 | ||
| Matsui | 1420A | No line drive | Q401 2SC2271 line dr tr o/c & line dr tfrmr faulty | ||
| Matsui | 1420A | No colour. | C608 ( 0.01uf ) off pin 3 IC uPC1420 , or the IC. | ||
| Matsui | 1420A | No colour | C608 0µ1 off pin 3 IC µPC1420 or chip faulty | ||
| Matsui | 1420A | No channel LEDs on or all channel LEDs on. | IC101 ( LA7940 ) | ||
| Matsui | 1420A | INTERMITTENT FIELD SCAN | CHECK FOR CRACKS NEAR LOPTX NEAR R437 , D409 | ||
| Matsui | 1420A | Int field collapse | Cracks around LOPTx conns | ||
| Matsui | 1420A | Int dead | Check for dry joints & C504 0µ047 o/c |