Hitachi Repair Tips
Search: hitachi
Results: 1065
Results: 1065
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| HITACHI |
C2558TN
|
St/by - wont come out of using front controls | Use hset - reason u/k | ||
| HITACHI |
C2558TN
|
Slow start up | 12v rail low - c933 2200µ 25v | ||
| HITACHI |
C2558TN
|
High ht | R941 100k, zd941 10v zener - ht = 157v | ||
| HITACHI |
C2558
|
Repeated failure of tda3654 field o/p chip | Dry joint scan coil tag also replace flyback boost cap to pin 6 (47 or 100µ) | ||
| HITACHI |
C2557N
|
Weak sound & low contrast | C758 100nf s/c alb line. | ||
| HITACHI |
C2556TN
|
Trips 3 - 5 secs aft sw on | R950 68k hi res | ||
| HITACHI |
C2556TN
|
Int off when disturbed | Check ht pot vr950 by replacement- & check r950 | ||
| HITACHI |
C2556TN
|
Int loss of sound/pic | Dry joints l7805 ic951 5v reg | ||
| HITACHI |
C2556TN
|
Int goes to st/by or off | Happens when disturbed mainly - check wire links at front of pcb for dry joints | ||
| HITACHI |
C2556TN
|
Int goes dead only to reapear several secs later | Dry joints pot r950 - tight up against plastic cradle | ||
| HITACHI |
C2556TN
|
Int dead | Check dry joints ic951 | ||
| HITACHI |
C2556TN
|
Int dead | Dry joints set ht pot | ||
| HITACHI |
C2556TN
|
Dead | R950 68k ½w hi res (near ht pot) | ||
| HITACHI |
C2556/2586
|
Ht setting | 152v | ||
| HITACHI |
C2548TN
|
Jumping pic | Fop chip responsible | ||
| HITACHI |
C2546TN
|
Tripping | Check r950 68k, r951 12k, r952 82k 1/2w & check for dry joints | ||
| HITACHI |
C2546TN
|
Stuck in st/by prot cct in operation | 12v supply low - zd952 11v zener leaky | ||
| HITACHI |
C2546TN
|
St/by only | Drys on all regulators check frame ic replace 68k feed to ht pot and check the 12k next to it replace ht pot set ht to 152 volts and dry on r791 | ||
| HITACHI |
C2546TN
|
St/by led lit - ht to lop stage but no line drive | Dry joints q950 reg (under plastic support) | ||
| HITACHI |
C2546TN
|
Reverts to st/by aft a sec with "growling" | Scan coils duff |