PH GR1AX

1. Dead	
-CHECK L5524 - 9v SUPPLY TO LINE OSC FROM PIN 26 STARTED FROM PULSE ON PIN 11 OF i.c. 7020

2. DEAD , NO LINE OSC.	
-Check C2519 ( 150pF ) pin 26 TDA8305 Check D6030 12v ZENER & D6523

3. Dead - st/by light flashing - ht=70v 
-Loptx faulty

4. Dead	
-D6546 BY228 EW mod diode s/c, F1534 fuse blown;

5. Dead	
-D6613 15v zener, D6610 10v zener & D6644 1N4148 all leaky & LOP Tr s/c - check R3616 & R3680 1R in series

6. Dead	
-L5519 o/c; C2523 6µ8 63v low cap

7. DEAD , NO LINE OSC.	
-Check C2519 ( 150pF ) pin 26 TDA8305 Check D6030 12v ZENER & D6523

8. Dead - 95v HT low at 15v	
-C2618 27nF o/c - blue plastic body

9. Dead - HT at 15v	
-D6610 BZX79C10 leaky

10. Dead - HT at 8v	
-R3613 120k in startup fet cct hi res

11. Dead - HT ok - no lop activity	
-L5224 supply to line dr discoloured & o/c

12. 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

13. Dead - low o/p from psu	
-R3610 & R3613 faulty - caused by D6610 zener in FET gate faulty

14. Dead - no 95v from PSU.	
-D6638 ( BZX79-B36 ) s/c.

15. Dead - no line osc	
-D6030 12v zener o/c

16. Dead - pri HT only	
-Loptx o/c winding 1/5

17. Dead - psu not starting HT = 15v	
-D6613 15v zener - checked ok out of cct

18. Dead - psu shutdown	
-s/c between pins 1 & 6 of Loptx - replaced

19. Dead - tripped due to high HT	
-R3610 330k in psu hi res

20. DEAD 95v RAIL AT 5v	
-D6671 4v3 US

21. DEAD LOP TRANSISTOR SC REPLACEMENT BLOWS AFTER 5min	
-L5519 ( LINE DRIVE ) OR LOPTX

22. Dead set - psu OK	
-Micro not working but replacement didn't cure - unplug Txt panel got set working - IC7880 PCA84C81AP/098 u/s

23. Dead with burning smell	
-BUT11AF lop tr & dry joints scan coil connector etc

24. Dead with HT only 1.5v & PSU whistles	-Replace 6641 SF2D41 protection thyristor

25. DEAD WITH LED FLASHING AFTER A FEW SECS	-IF NOT LOPT , MAY BE D6613 15v ZENER

26. Dead with low freq sound	
- 95v HT ok but 9v start up only 5v 
- Loptx faulty FAT30057

27. Dead with slight hum - 95v HT at LOPTr	-L5524 coil o/c in line dr stage

28. Dead with st/by light flashing - PSU OK
-No line drive or start up volts pin 16 TDA2579 timebase gen 
- R3455 1k safety feed res high res

29. Dead.	
-D6610 ( BZX79C10 ) zener.