Service manual

-34-
TROUBLE SHOOTING GUIDE
(7) NO PICTURE
H-DRV relation
circuit CHECK
T402 Operating
CHECK
N
Y
(7-1)
(7-1)
(1)
T402 Voltage
CHECK
Y
Y
Y
N
Q401 waveform
CHECK
I501 #27
waveform check
Y N
N
I501
CHECK/CHANGE
I502
Relation circuit CHECK
Q402
CHECK/CHANGE
I501 #25 Voltage
CHECK
N
D890 relation circuit
CHECK
P902 #1
Voltage check
Y
I501 #32 Voltage
CHECK
SCT1,CRT
CHECK/CHANGE
P902 #4
waveform check
Y
N
N
DY
CHECK/CHANGE
DY CONNECTION
CHECK
Y
N