Advertisement
AV-35750
AV-35770
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 SW ON.
(2) As shown in Fig. 2, set the resistor (between
connector [3 Je [3 h.
(3) Make sure that the screen picture disappears.
(4) Temporarily unplug the power cord.
(5) Remove the resistor( between
connector [1 Ja [3 }).
(6) Again plug the power cord, make sure that the normal picture is displayed on the screen.
C551
R557
C544
Fig. 1
RESISTOR
24kQ 1/4W
Fig. 2
(No.51 130) 25
Advertisement
