Memory Initial Adjustment; Power Circuit Adjustment; B Adjustment - Hitachi 36SDX88B Service Manual

2. PWB (Chassis) Assembly Adjustment
I
2.1 Memory Initial Adjustment
Preparation for adjustment
I
(1)
(2)
(3)
(4)
Set the following
Set diode "A"
Set diode "B"
Remove diodes.
Notes
DIODE"A"
2.2 Power Circuit Adjustment
2.2.1 +B Adjustment
DIODE"B"
R083
R053
T
Preparation for adjustment 1
(1)
(2)
(3)
(4)
Adjustment procedure
Connect power supply
PWB assembly to the
standard set.
Set AC voltage to 120 k
2V, 60Hz
Receive Circle Pattern.
Set Brightness to the
center and Contrast to
the maximum.
1)
(2)
(3)
Set the voltmeter to both sides
of c932.
Heat-Run more than 1 minute.
Turn Adjustment Variable Resistor
R936 so that +B Voltage value become
pzciiq
Notes
45