Service manual

9 PDP 40” - SERVICING
SERVICING
No Sound
Reseet connectors and inspect cables
for damage? Does audio return?
Are the connectors
for P006A and P007A properly seated?
Yes
No
No
Replace Main Video Scan Converter
Loc # (20), Pt # 809-10722
No Raster
Unload P803 and P804, does
15V return?
Replace SMPS
Loc # (18) Pn # 809-10723
Is 15V present on P803 and
P804 on SMPS?
Check ribbon cables for proper seating
or damage. Does raster return?
Is part of the raster missing?Is all of the raster missing?
Yes
No
Ye
s
Yes
No
Yes
No
No
No
For additional technical support
Contact 877-9-ZENITH
For additional technical support
Contact 877-9-ZENITH
NO RASTER
NO SOUND