Table of Contents
Advertisement
TECHNICAL
CAUTIONS
High Voltage
limiter
circuit
operation
check.
1. Turn off TV and connect
jig as shown
in Figure 2. Adjust
4. When
the
limiter
circuit
is operating
properly,
High
jig fully counter-clockwise
for minimum
resistance.
Voltage will be less than 36.5 kV at 0.6mA when TV shuts
down.
2. Set the AC input to 120V AC and turn on TV.
5. Turn off set immediately
after checking
circuit operation.
3. Confirm
test pattern
on CRT is a usable
picture,
then
slowly adjust jig until the picture disappears
and TV shuts
down.
6. Unplug
set for one minute
to reset shutdown
circuit.
Remove jig and voltmeter.
Chassis
I t-
' I
connector
Deflection
P.W.B.
High impedance
H.V. meter
I
FBT
(THOl)
(Disconnect
the #I@ pin on IPO4 from +B line.
Connect
jig (15kn
VR) between
+B line and #(iJ pin of IP04)
IPO4
POWER/DEFLECTION
PWB
Jig
Fig. 2. Deflection/Power
P.C.B.
11
Advertisement
Table of Contents
