Hitachi 36SDX88B Service Manual page 46

2.2.2. Operation Check of +B Over-Current Protection Circuit
I
Preparation for adjustment
(1)
(2)
(31
set AC voltage to 120 f
2v
Receive Circle Pattern.
Set Brightness to the
center and Contrast to the
maximum.
To +B
Adjustment procedure
connect jig D between Emitter and
Base of Q936 and check that power
turns off and standby mode is set.
Disconnect AC plug.
Remove jig D and turn main power on
+ +
: +ci
R951
D C946
M
R952
R953
t
jig D ; RD=560 fi (114W)
Adj. point
I
Q936
Notes
Check the voltage of the
Battery if it is 1.W
Q936
Size AA Battery
46