Panoramic TVP-2914, Service Manual

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TVP-2914
11
Condition Minimum Nominal Maximum Unit
I
a
mín. 28,50 30,50 32,50 kV
DC
I
a
=1,70mA 26,50 28,50 30,50 kV
DC
2.2.6 Dielectric Rigid
Adjust the HI_POT equipment to 1500 Vac voltage, and the desired test current, in
accordance with the below specification table. When the TV set have a power
switch, make sure that this switch stay in the ON mode. Connect the ground
terminal of the test equipment in both pins of the line cord TV, and apply the HI-
POT terminal ( 1.5KV) in every extern metal parts of the TV under test for one
minute. In this condition the electric current must be equal or inferior that shown in
the below specific table
Condition Minimum Nominal Maximum Unit
1500VAC - - 3,00 mA
AC
2.3 Frame geometric
Wide and height of the frame
Preparation:
a)
Connect the receiver under test to a 117V
AC
line.
Turn on the TV and position the “brightness” and “contrast” controls at the
maximum, and the “saturation” and “volume” controls at the minimum. Wait
pre-heating time (see specification by model).
b) Apply a 60 dB
µ
V signal to the antenna input 88% modulated with
“CROSSHATCH” pattern. (The selected channel is determinated by
factory).
c) Position the contrast control at the maximum and reduce the brightness
control untiil the black level of the aimage become “black”.
d) observing the image at the screen, make a blocks counting at the horizontal
ad vertical direction. (See specification by model)