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2.
BJ Board BRT PULSE ADJUSTMENT
Color-bar signal
Tektronix 1410(NTSC}l1411 (PAL)
• NTSC color bar signal
(
FULL FIELD color-ba)
75%AMPL
too
IRE
7.5 IRE set up
~
PAL color bar signal
(
FULL FIELD color-bar)
75%AMPL
100IRE
I.
Input a color-bar signal to VIDEO A terminal of the set.
2
Connect
an oscilloscope
{CHJ probe) to the TP7 of BJ board
and osL·illo~cope (CH2 probe) to the TP2 of BJ board.
3.
Adjust
R V7 to obuiin
tht: w..iveform on the oscilloscope
as
\hown in
1-ig.
2-1.
r
•
1
TPl (AFC. Pl
, A
;
8
y
_J~·••••••--
A•B
TP2 (BRT. Pl
Fig. 2-t
VIDEO
A
terminal
4-19
BJ boa,d TP?
®
D
~--C_H_I-,-®•
@
CH2
I
@
@J
BJ board TP2
Osciffoscope
-
-.
-
BJ board
-
0
tQ]
RVjtil
TP2-0
tQ]
tQ]
tQ]
~
TPIO (GNDJ
0
0
00
tQ]
tQ]
TP7
Q
tQ]
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