JVC AV-20D304/SA Service Manual page 26

3.6.9 HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
3.6.9.1 HIGH VOLTAGE HOLD DOWN CIRCUIT
After repairing the high voltage hold down circuit shown in Fig.1.
This circuit shall be checked to operate correctly.
3.6.9.2 CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT
(1) Turn the power switch to on.
(2) As shown in Fig. 1, set the resistor between [X] connector [1] and [3].
(3) Make sure that the screen picture disappears.
(4) Temporarily unplug the power plug.
(5) Remove the resistor replaced [X] connector [1] and [3].
(6) Again plug the power plug, make sure that the normal picture is displayed on the screen.
POWER
ON OFF
RESISTOR
18.00 k ±1%
CONNECTOR
3 2 1 X
Fig.1
AV-20D304
HEATER
T521
4
(No.52103)1-25