Table of Contents
Advertisement
Item
Power Unit Vs, Va Adjustment
Applicable Model
All models
Preparation
(1) Turn on the set and perform
pre-heat run more than 1 min
on burn-in screen.
(2) Receive full back pattern signal
(or Video silence signal;
but it will be automatically turned off
after a few seconds by power save function.)
(3) Connect voltmeter leads to Vs
(or Va) and GND test points of the power unit.
M
u
a r
a t
M
P
F
7
4
1
5
S
N /
* *
* *
* *
* *
MADE IN THAILAND
32PD7800/42PD7800 (PW2)
(1) Turn Vs ADJ to adjust Vs voltage
to be within ±0.1V of the value
specified in the label on the panel.
Adjust within ± 1V at Vs1
Adjust within ± 0.1V at Vs2
(2) Turn Va ADJ to adjust Va voltage
to be within ±0.2V of the value specified
in the label on the panel.
Adjust within ± 1V at Va1
Adjust within ± 0.2V at Va2
Reconfirm that Vs voltage remains within
(3)
±0.1V of the specified value.
Readjust if it's outside of the margin.
Label example
<LOT>N6
Vs= 80.0V
Vw=140.0V
Power
Y-sus
Supply
Unit
Panel Module
23
Procedure
Va=60.0V
Vx=60.0V
Label
X-sus
(Rear View)
C
N
9
9
V
s
/
V
a
T
e
t s
P
n i
V
s
V
a
G
N
D
V
s
1
V :
s
c
o
a
s r
e
a
d
u j
t s
m
e
t n
V
s
2
V :
s
f
n i
e
a
d
u j
t s
m
e
t n
V
R
V
a
2
V :
a
f
n i
e
a
d
u j
t s
m
e
t n
V
V
a
1
V :
a
c
o
a
s r
e
a
d
u j
t s
m
e
t n
V
R
R
V
R
Advertisement
Chapters
Table of Contents
