Hitachi Repair Tips
Search: hitachi
Results: 1065
Results: 1065
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| HITACHI |
TN2166/2146
|
Power supply trips | Suspect dry joints on ic952 | ||
| HITACHI |
PAL4
|
Frame - foldover after 10 mins. | C613 ( 100u f ) o/c. | ||
| HITACHI |
NP9A
|
Width - reduced. | R756 o/c. | ||
| HITACHI |
NP9A
|
Tripping. | Q905 ( 2sa673 ) o/c. | ||
| HITACHI |
NP9A
|
Standby - stuck in standby mode. | Change c919 to 220u f , replace c906/918 , drys on t901/703 | ||
| HITACHI |
NP9A
|
Standby - going into standby int. | 4.43mhz crystal x1401. on memory pcb pc895. | ||
| HITACHI |
NP9A
|
Standby - going into standby at switch on. | Check c919 if its a 22u f change it to a 220u f. | ||
| HITACHI |
NP9A
|
Line - pulling on verticals. | Crt conductive earthing , c983 , c907 , ic980. | ||
| HITACHI |
NP9A
|
Dead - int dead. | Djs | ||
| HITACHI |
NP8CQ
|
Startup - no startup. | Chopper transistor. | ||
| HITACHI |
NP8CQ
|
Standby - in standby at switch on. | Bc548 also 4 7uf/22uf electrolytics. | ||
| HITACHI |
NP8CQ
|
Over bright pic , no flyback lines | 22mfd , 250v smoothing cap to rgb op. stages | ||
| HITACHI |
NP8CQ
|
Int no colour. | Try adj r515 , make sure agc control r203 is turned up. | ||
| HITACHI |
NP8CQ
|
Int colour. | One leg og r620 s/c to jumper lead j723. | ||
| HITACHI |
NP87
|
Set int won't come on + blows line op transistor e | C917 in power supply 4u7 | ||
| HITACHI |
NP86
|
Int loss of pic , goes dark | Xtg2 17.73mhz crystal ( in text mode pin 9 ic13 should be 4v , in mix it should pulse , tv mode zero. ) | ||
| HITACHI |
NP86
|
Blank raster + no sound | Tda4505 us-check type no- | ||
| HITACHI |
NP85CQ
|
No sound | Tda4505 -2y chip faulty - mod kit required to use tda4505e | ||
| HITACHI |
NP85CQ
|
Dead - normal volts at crt base | Dry joints d920, 919 in psu | ||
| HITACHI |
NP85CQ
|
Blank raster no sound | Tda4505 no vid o/p chip faulty tda4505e will work |