Hitachi Repair Tips
Search: hitachi
Results: 1065
Results: 1065
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| HITACHI |
C28W1TN
|
Cuts out | Fop chip tda3650q - also could be 68k & 8k2 res & dry joints line dr tx | ||
| HITACHI |
C28P819
|
Dead | Mains smoothing cap 150uf 400v | ||
| HITACHI |
C28P759
|
Width excessive | Tb526 bs208 ew driver s/c | ||
| HITACHI |
C28P759
|
No picture with burning smell | C525 2µ2 100v dry joint & burning - replaced | ||
| HITACHI |
C28P759
|
No picture smells of burning | C525 dry 2u2 100v , if no ew order bs208 mod kit from wve | ||
| HITACHI |
C28P745VT SALORA
|
Field distortion when heated | Flyback boost diode d571 leaky | ||
| HITACHI |
C2886TN A7
|
When changing loptxs | Pay attention to type of replacement transformer; if not identical you may need to change links (see serge) | ||
| HITACHI |
C2886TN A7
|
St/by only but led dim as though working (tda8375 version) | Dj on the ground link which is located between small caps c528, c529 near the 2 x-tals x501, x502. the dj was on the component side of the pcb. | ||
| HITACHI |
C2886TN A7
|
Sound - int crackle | Resolder caps around sound o/p ic - build up of residue on legs | ||
| HITACHI |
C2886TN A7
|
Pic takes long time to appear | Change r896,r897 & r898 from 150r to 220r & set a1 to 147v at green tr cath | ||
| HITACHI |
C2886TN
|
Service mode entering | Hold down menu key until install line appears, press up & down vol buttons together until service becomes an option then follow on screen prompts | ||
| HITACHI |
C2886TN
|
No sound - pic ok | Muting tr q4000 turned on by micro. put eeprom into "e2 shipping mode" to set all settings to default cured it although had to retune. | ||
| HITACHI |
C2886TN
|
Long time for pic to appear at sw on | Adjust set h.t. to 149 volts +/- .2%, screen ( a1 ) for 147 volts on green cathode. picture should appear aft 5 - 10 secs after sound at sw on if still a problem change r896;897;898; from 150r to 220r | ||
| HITACHI |
C2886TN
|
Blank, black raster, sound ok | Replace st24w16 eeprom - to select service menu: with main menu on screen, hold vol + & - buttons on the tv until menu changes to include service option. highlight service and press vol+ to enter. | ||
| HITACHI |
C2874TNY
|
Reverts to st/by | Check ic4451 tda7253m audio chip & r952 68k in ht preset network | ||
| HITACHI |
C2874TNX
|
Trips with red led blinking | Dry joint q953 coll under plastic runner | ||
| HITACHI |
C2874TN
|
Int width & e/w dist | Dry joint wire link j196 between c612 & r080 connected to plug e180 via pin 8 (ew connection). | ||
| HITACHI |
C2874TN
|
Int e-w | R751 across c758 on comp side of pcb not soldered | ||
| HITACHI |
C2874TN
|
Int dead - can come back on its own. sometimes red/green or no led | Dry joints on ic951, q953, and q956. q953 was the worst, all connections to each leg were faulty. | ||
| HITACHI |
C2874TN
|
Field o/p chip ic601 la7838 fails | Check dry joints q601/2/3 & r610 etc. check ic751 (e/w corr) in psu |