Hitachi 43FDX10B Service Manual page 66

D
(Deflection PWB)
Does raster
appear with (1) and (2) of
PQD2 shorted ?
YES
Check
Q915, Q916
E
(Power supply PWB)
Does raster
appear with B and E of
Q916 shorted?
YES
Check
Q915, Q916
TROUBLE SHOOTING FLOWCHART
Is base voltage of
NO
Q709 normal ?
YES
Are voltages
of both ends of T702
(primary side)
normal ?
YES
Check Q777,
QH01, T701, TH01
Check Q915, Q916, I902,
NO
I903, D924
Check
IC01 pin(26)-H out,
NO
pin(19)-DEF HVcc
I906
Check
NO
T702, R730,
R748
66