JVC AV-N29302/S Service Manual page 26

AV-N29302
HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
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.
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
(3) Make sure that the screen picture disappears.
(4) Temporarily unplug the power plug.
(5) Remove the resistor replaced
(6) Again plug the power plug, make sure that the normal picture is displayed on the screen.
D957 R957
POWER
ON OFF
D563
26
X connector
X connector 1 and
T921
Q953
Q562
Q561
D562
R564
C562
1 and 3 .
3 .
RESISTOR
18.84k Ω± Ω± 1%1/4W
Ω± Ω±
X CONNECTOR
3 2 1
R562 D561
R563
C561
Fig. 1
No. 51834
HEATER
T522
4
R561
D565
BW