Hitachi 61HDX98B Manual page 95

T R O U B L E S H O O TING (NO R A S T E R N O P O W E R
DP-85 CHASSIS TROUBLESHOOTING
1.) No Raster and No Power
(Power PWB)
Check D907
Replace I901
(Power PWB)
Check
I901, D961,
Shorts on B+ Lines
Replace E992
C
All HOT Ground
Yes
(Power PWB)
Is Voltage at pin (5) of
I901 21V-24V?
R
All HOT Ground
Yes
(Power PWB)
Has protector
E992 blown
DP-8 X S eries Chassis.
(Power PWB)
All HOT Ground
(Power PWB)
No
F901, R902,
D963, R907
R908, C914, I901
(Power PWB)
All HOT Ground
No
(Power PWB)
I901, R912,
R913, R914
Check
Check
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