Dicas Reparação
Modelo - Chassis TVR1
Pesquisa: TVR1 Enviar Dica Resolvida
Resultados 42
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Matsui | TVR180 | Dark pic | C819 2200pf 2kv leaky on crt base | ||
| Matsui | TVR162 | Sound level low on pback | Check elects in audio stage | ||
| Matsui | TVR162 | Dead | start up res R506 560k o/c | ||
| Matsui | TVR161 | Slow start up before going dead | replaced q500 (2sk2056) + r508 47k res+ic501 tda4605-3 + the cause of the problem c504 47mfd (high ESR) | ||
| Matsui | TVR161 | No pic with fb lines | HT to RGB o/p only 50v; C431 22µ 250v | ||
| Matsui | TVR161 | Dead - R508 in chopper overheats & destroys FET | Replace R508 47k (not 4k7) & Q500 FET 2SK2056 | ||
| Matsui | TVR161 | Dead | R506 820k in psu o/c, Q500 2SK2056 FET s/c, & check C515 1µ 160v, C504 47µ 25v & R504 330k | ||
| Matsui | TVR161 | Dead | R504 390k o/c (pin 2 of TDA4605-3) R505 330K Blows 2SK2056 2.2Ohmn 7w/w to bridge rects Changed all inc ic and C515 1uF 160v C504 47uF 25v | ||
| Matsui | TVR161 | chopper FET s/c Q500 2SK2056 | check R504 330k; R506 820k metal film 350v also check 2R2 7w limiter | ||
| Matsui | TVR161 | Blows 4A fuse at sw on | Q500 fet chopper (2SK2056) s/c, R501 (2R2 7W) o/c, C515 (1mfd, 160v) and C504 (47mfd) high esr. Print to pin 3 TDA4605-3 chopper control Ic o/c | ||
| Matsui | TVR151 | Missing blue, patchy picture, Horizontal blue lines down LHS | C630 on VCR PCB broken away from pad (C629 & C628) correspond to green and red | ||
| Matsui | TVR141 | Dead - no LEDs - PSU working | C523 16V 100uF (next to the heatsink IC502, it is the tallest heatsink on the PCB). | ||
| Matsui | TVR141 | Comes on for 2-3 secs then reverts to st/by | Mode sw | ||
| JMBC | 2099TX Matsui TVR180 | St/by only | syscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata) | ||
| Amstrad | TVR1 | Uncontrollable sound. | IC AN5265. |