Hitachi Repair Tips
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Results: 1065
Results: 1065
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| HITACHI |
NP81CQ
|
Thin white line travels up screen | Dry joints m601 field o/p device | ||
| HITACHI |
NP81CQ
|
Sync - lack of frame & line sync. | R723 ( 22k ) o/c. | ||
| HITACHI |
NP81CQ
|
Startup - no startup. | Dj on pin 4 of t901. | ||
| HITACHI |
NP81CQ
|
Squeal from chopper tx at switch on. | C909 ( 220u f 160v ) , dry r702 , c912 , r905 , r906 | ||
| HITACHI |
NP81CQ
|
Spluttering | Dry joints loptx earth pin | ||
| HITACHI |
NP81CQ
|
Small faint raster. | C909 ( 220u f 160v ) | ||
| HITACHI |
NP81CQ
|
No/int loss of colour. | L506 ( p no 2160831 ) | ||
| HITACHI |
NP81CQ
|
Int frame collapse. | Sprinkle r607. | ||
| HITACHI |
NP81CQ
|
Int colour | Delay gate pulse coil l506 faulty | ||
| HITACHI |
NP81CQ
|
Hum on picture - varies with picture. | Fit 22k in series with d402 if not fitted. | ||
| HITACHI |
NP81CQ
|
High brill very int | Zd802 5.1v zener on crt base | ||
| HITACHI |
NP81CQ
|
Frame - int frame collapse/top cramping | C608 ( 22u f ) | ||
| HITACHI |
NP81CQ
|
Frame - foldover at top. | C610 ( 220u f ) | ||
| HITACHI |
NP81CQ
|
Flyback lines on picture. | C715 ( 4.7u f 250v ) | ||
| HITACHI |
NP81CQ
|
Field bounce esp on chan change & hi contrast | C601 220µ 50v u/s | ||
| HITACHI |
NP81CQ
|
Dead. | R905 ( 56r 3w ) o/c , r906 ( 82r 2w ) o/c. | ||
| HITACHI |
NP81CQ
|
Dead | Mains fuse o/c; pin 6 chopper tfmr burnt, stk411, q901 2sd787; r904 82k hi res, d901 2v7 zener s/c, d902 33v zener o/c, lop tr s/c, tda1035s sound chip u/s | ||
| HITACHI |
NP81CQ
|
Dark pic 1st anode low 200v | C714 ( 0.068uf ) 1kv o/c | ||
| HITACHI |
NP81CQ
|
Bright white screen | Check v at k2 on crt base if low replace c715 ( 4.7uf ) | ||
| HITACHI |
NP81CQ
|
Bright pic on lh side | C715 4µ 250v - ht smoother to rgb o/p stages |