JVC AV-34WP84 /ZA Service Manual page 48

4.8 HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
4.8.1 HIGH VOLTAGE HOLD DOWN CIRCUIT
After repairing the high voltage hold down circuit.
This circuit shall be checked to operate correctly.
4.8.2 CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT
(1) Turn the power sw ON.
(2) As shown in figure bellow, set the resistor (between [S1] connector [2] & [3]).
(3) Make sure that the screen picture disappears (no raster).
(4) Temporarily unplug the power cord.
(5) Remove the resistor (between [S1] connector [2] & [3]).
(6) Again plug the power cord, make sure that normal pictures is displayed on the screen.
CN003 2
X-RAY
R565
1-48 (No.52170)
RESISTOR
22.0K
1 2 3 4 5
TP-E
C562
R564 R562
S1 CONNECTOR
1 2 3 4 5
X-RAY2
TP-E
( B1:185V )
60
S1 SERVICE CONNECTOR
TP-91
R561 R811 D812
R563
C811
NC
TP-91
X-RAY1
( )
4 12
T502
FBT
5
B1
Y503
1
6
8 2
3
1
10
7
9