Hitachi 36SDX88B Service Manual page 50

2.3.5 Operation Check of +B Over-Current Protection Circuit
Adj. point QH03
Preparation for adjustment Adjustment procedure
Notes
(1) Set AC voltage to 120 + 2V. (1) Connect jig D between Emitter and
Check the voltage of the
Base of QH03, then check if power battery if it is 1.5V
turns off and Standby mode is set.
(2) Receive Cross-Hatch
(2) Disconnect AC plug.
Signal of VGA3 with Black
Line and 100% White
background.
(3) Set Brightness
and
(3) Remove jig D and turn main power on.
Contrast to the maximum.
jig D ; RD=560 Cl (?/4W)
/
QH03
RH30
Size AA Battery