| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | GR1AX | Dead with HT only 1.5v & PSU whistles | Replace 6641 SF2D41 protection thyristor | ||
| Philips | GR1AX | Dead with burning smell | BUT11AF lop tr & dry joints scan coil connector etc | ||
| Philips | GR1AX | Dead set - psu OK | Micro not working but replacement didn't cure - unplug Txt panel got set working - IC7880 PCA84C81AP/098 u/s | ||
| Philips | GR1AX | DEAD LOP TRANSISTOR SC REPLACEMENT BLOWS AFTER 5mi | L5519 ( LINE DRIVE ) OR LOPTX | ||
| Philips | GR1AX | DEAD 95v RAIL AT 5v | D6671 4v3 US | ||
| Philips | GR1AX | DEAD , NO LINE OSC. | Check C2519 ( 150pF ) pin 26 TDA8305 Check D6030 12v ZENER & D6523 | ||
| Philips | GR1AX | Dead - tripped due to high HT | R3610 330k in psu hi res | ||
| Philips | GR1AX | Dead - psu shutdown | s/c between pins 1 & 6 of Loptx - replaced | ||
| Philips | GR1AX | Dead - psu not starting HT = 15v | D6613 15v zener - checked ok out of cct | ||
| Philips | GR1AX | Dead - pri HT only | Loptx o/c winding 1/5 | ||
| Philips | GR1AX | Dead - no line osc | D6030 12v zener o/c | ||
| Philips | GR1AX | Dead - no 95v from PSU. | D6638 ( BZX79-B36 ) s/c. | ||
| Philips | GR1AX | Dead - low o/p from psu | R3610 & R3613 faulty - caused by D6610 zener in FET gate faulty | ||
| Philips | GR1AX | Dead - LOPTr s/c & replacement lasted 5 mins | Line drive wfm dist - L5519 3µ3 in series with o/p from line timebase chip shorted turns | ||
| Philips | GR1AX | Dead - HT ok - no lop activity | L5224 supply to line dr discoloured & o/c |