GR2.2AA Repair Tips
Search: GR2.2AA
Results 12
Results 12
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Philips | GR2.2AA | Dead, no line oscilation, power supply and line output stage are OK | Check / replace C2549 390 or 470nF / 400V and C2545 1n5 or 1n2, 2000v | ||
| Philips | GR2.2AA | Does not work after LOT has been changed | Check / change D6561 also change the TDA2579B if there are any sync problems | ||
| Philips | GR2.2AA | Protection circuit operating intermittently | Diode 6592 was found to have leakage causing voltage to protection circuit to be too high, Should be 23 - 28mV | ||
| Philips | GR2.2AA 28ST2781/05B | Trips once per sec with led flashing in sympathy | Doesn't trip with scan coils removed - Check fuse 1534 315mA | ||
| Philips | GR2.2AA 25ST2761 | Dead with quiet tripping | C2611 68uF 25v in psu pri hi esr | ||
| Philips | GR2.2AA 25PT532A/05 | Tripping - HT only 100v & LT lines about 1/2 normal | 6670 Thy TAGEO102AA, will start if gate dis'd or Thy removed | ||
| Philips | GR2.2AA 25PT410 | Dead - LOPTr s/c | Caused by dry joint line scan coils | ||
| Philips | GR2.2AA 25MN1550 | LOPTr destroyed every few days/weeks | Varyation in hor phasing - TDA2579B timebase gen chip | ||
| Philips | GR2.2AA 21ST2730/05 | No sound/poor sync - improves with time | C2072 a 2.2mfd cap was OC on Nicam IF module | ||
| Philips | GR2.2AA | Flaring reds after loptx change | wrong type loptx fitted | ||
| Philips | GR2.2AA | 5 mins for pic to come on | clean discharge on crt base | ||
| Philips | GR2.2AA | Pulse on & Off when cold - ok when heated | C2559 100ยต 25v & CNR50 opto coupler |