Hitachi Repair Tips
Search: hitachi
Results: 1065
Results: 1065
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| HITACHI |
CPT2660 SALORA J
|
Lack of width with hor bands across bright scenes | C712, 726 4µ7 63v, c514 1000µ 25v & c716 1µ hi esr | ||
| HITACHI |
CPT2660 SAL J
|
High brightness after few minutes | Dry joint metal screen can | ||
| HITACHI |
CPT2656 SAL L
|
Int negative pic | Check jumper links on text pcb j33 | ||
| HITACHI |
CPT2656 SAL L
|
Int bottom part of picture disappears | Rtb573 470r preset int oc | ||
| HITACHI |
CPT2656 SAL L
|
Dead | 300v across c707 but no s2000af coll volts r707 22Ω o/c t701 s/c | ||
| HITACHI |
CPT2656 SAL L
|
Blank raster , no sound . tda4505 us . may have to | , rb135 to 470k , rb122 and 123 to 220k , rb110 to 1.5m , cb130 to 33pf , rb128 and rb587 to 3.3k. if no colour and line twitchi | ||
| HITACHI |
CPT2656 SAL J
|
Bottom cramp - top widened out. | Linearity pot rtb573 ( 470r ) | ||
| HITACHI |
CPT2656
|
To tune in chans 1 -4 | Enter service mode & sw off bit 0 - the little dot | ||
| HITACHI |
CPT2656
|
Dead - supply lines low & chirp at sw off | D508 by228 in lop leaky | ||
| HITACHI |
CPT2656
|
Bottom cramp - int | Preset rtb573 470r | ||
| HITACHI |
CPT2655
|
Dead supply line low | D508 in line stage | ||
| HITACHI |
CPT2650 SAL J
|
Startup - long time for picture to come on. | Incorrect grey-scale setting. | ||
| HITACHI |
CPT2598
|
Wavering picture with colour dropout which would randomly blank out to a blue screen in short bursts. occasionally there would be no sound or vision at switch-on and only the channel change working. | Replace c933 (2,200uf 25v) whose esr had risen to 27 and c932 (470uf 16v) whose esr had risen to 48. these two capacitors sit next to each other between the delay line and a heat sink. they were replaced with high temperature types. | ||
| HITACHI |
CPT2598
|
No colour - ok on txt | Chroma delay line | ||
| HITACHI |
CPT2598
|
Field coll | R715 1r safety res, tda3654 fop chip, d601 | ||
| HITACHI |
CPT2589
|
Frame collapse | Replace r715 and ic601 | ||
| HITACHI |
CPT2508
|
Tripping | Replace c910 & 916 33µ 10v; c919 4n7 2kv; c927 2n2 2kv. change c914 to 10µ, check c909 150µ 400v, r919, r920, r931 & r932 | ||
| HITACHI |
CPT2508
|
Dead - field coupling cap c610 100µ 25v exploded | Low res across 152v line due to s/c between field and line scan coils | ||
| HITACHI |
CPT2508
|
Dead | Q901,ic901,r901,zd901 4v7,d904,r913,c928 and c919. also there was blown print between d904 and zd901. | ||
| HITACHI |
CPT2488 SAL K
|
Dead no/low start up 8.5v on pin 8 lf0059 | Try diac or tb541 bc557 |