Sony BVM-2011P - BJ Board SUMPRING PULSE ADJUSTMENT

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BJ Board SUMPRING PULSE ADJUSTMENT
Tektronix 1410 (NTSC)/1411 (PAL)
• NTSC color bar signal
(
FULL FIELD color-bar)
75%AMPL
1O0IRE
7.5 IRE set up
• PAL color bar signal
(
FULL FIELD color-bar)
75%AMPL
1O0IRE
Color-bar signal
1. Input a color-bar s1~nal to VIDEO A terminal of the set.
2. Connect an osillosrnpe !CH I probe) to the TP7 of BJ board
and Cunnect an oscillosrnpe !CH 2 probe) to the TP5 of BJ
board .
3. Ad_1ust RVS to obtain the \\aveform on the oscillosc·ope as
shown in Fig. 2-2.
A=B
TP5
Fig. 2-2
VIDEO A
terminal
4-22
BJ board
HY board
i.-----, BJ board
~-TP_7_:_:_~---' ~: : D@ @
BJ board TP5
Oscilloscope
BJ board
0
[Q]
0~
[Q]
~
~
lel
TPtO(GND)Q
TP5 o
0
RV5 [GI
0~
TP7 Q
[Q]