TOSHIBA C7S Repair Tips
Search: C7S TOSHIBA
Results 17
Results 17
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Toshiba | C7SS 28W93B | int. line whistle in widescreen mode | L441 (23233090) | ||
| Toshiba | C7SS 28W8DB | stuck in stby | Q4370 (B0385853) | ||
| Toshiba | C7SS 28W8DB | height reducing/varying, may be distorted sound with patterning on pic | C892 2200uF 35V 105deg on power PCB | ||
| Toshiba | C7SS | White diagonal dashes - depends on vi content | TA9090AN digital comb filter chip | ||
| Toshiba | C7SS | Thin hor white line over pic | Move C314 to print side of pcb - see diag in Serv briefs | ||
| Toshiba | C7SS | background hiss from rear spkrs | improved Dolby digital module reqd | ||
| Toshiba | C7S | partial field collapse | C323 connected to pin 2 of Q501 leaky - 0ยต68 50v plastic | ||
| Toshiba | 3377DB C7SS | Hiss from left/right chan at vol level 1 | Replace Multiplex/Audio module H002 type MVGS48 pt no 23148275 | ||
| Toshiba | 28W93B C7SS | St/by only with LED lit | HT only 43v - IC Z801 HIC1016 u/s (HT regulator IC,12UKP+VAT). HT must be 125V when on & about 60V in standby | ||
| Toshiba | 28W93B C7SS | St/by only - HT only 43v (125v) | IC801 HIC1016 faulty | ||
| Toshiba | 28W93B C7SS | Line speed slightly off causing hor lines | C508 12pf in series with Xtal relaced | ||
| Toshiba | 28W8DBA C7SS | St/by only with R & G LEDs flashing - was orig int start up | dry joint on (+9V-1) reg tr Q420on sigs board next to IF unit. Overriding the protection by unsoldering pin 16 of Z801 broght the set to life with a narrow frame collapse 3/4 of the way up the screen | ||
| Toshiba | 28W8DB C7SS | Field collapse - no drive | replace e/w ic Q4370 TA1241 pt no:B0385853 | ||
| Toshiba | 28W8DB C7SS | Dead with plug mains fuse o/c | Replace Q801 STRS6709 pt no 23905084, bridge rect D801pt no 23316795, zener D804 MTZJ6.8B pt no 23316678, zener D815 MTZJ15B pt no 23316725 & R810 3R 15w pt no 24007864 | ||
| Toshiba | 2877DB C7SS | Reverts to st/by aft init EHT with G LED flashing | Frame IC Q301 TA8427K s/c on pin 2 (scan output). | ||
| Toshiba | 2877 C7SS | Dead - HT low at 60v | Q801 STRS6709 - also replace D809, D813, D804 | ||
| Toshiba | 2873DB C7SR | No sound - corrupt eeprom set system to 5.5Mhz | Fit new eeprom from Tosh aft reprog it |