No. 52007
AV-56WP30
50
HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
1. HIGH VOLTAGE HOLD DOWN CIRCUIT
After repairing the high voltage hold down c ircuit.
This circuit shall be checked to operate correctly.
2. CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT
(1) Turn the power switch ON.
(2) As s hown in figure bellow, s et the resistor (between
S2
connector
1
&
5
).
(3) Make sure that the screen pic ture disappears (no raster).
(4) Temporarily unplug the power cord.
(5) Remove the resistor (between
S2
connector
1
&
5
).
(6) Again plug the power cord, make sure that normal pictures is displayed on the screen.
RESISTOR
6.8K
Ω±
0.5% 1/4W
1 2 3 4 5
S1 SERVI CE CONNENTOR
TP-E
R561
R563
C811
R562
R811
D812
Y503
B1
TP-91
C562
R565
T502
FBT
CN003 2
X-RAY
X-RAY2
1 2 3 4 5
X-RAY1
NC
TP-91
140V
TP-E
( )
S1 CONNENTOR
12
1
2
7
4
5
6
8
3
1
10
9
Содержание AV-56WP30
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