ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3-2. No Power
No Power
Check DC voltage at
JL6001
Yes
•See DDCON
Sheet
Is it 19.5V?
No
Sheet
T k
t d
t
Take out adaptor
and test at adaptor
output is it 19V – 19.5V?
(Refer Figure 1)
BB board
Yes
No
Change adaptor
and test again
Adaptor
NG
OK
AC source
NG
Figure 1:
How to test DC voltage
at adaptor output
11