Sony BVM-2011P - 2. BJ Board BRT PULSE ADJUSTMENT

2. BJ Board BRT PULSE ADJUSTMENT
Color-bar signal
Tektronix 1410 (NTSC)/1411 (PAL)
• NTSC color bar signal
(
FULL FIELD color-ba)
75%AMPL
100 IRE
7.5 IRE set up
• PAL color bar signal
(
FULL FIELD color-bar)
75%AMPL
100 IRE
0
1. Input a color-bar signal to VIDEO A terminal of the set.
2. Connect an oscilloscope (CH I probe) to the TP7 of BJ board
and oscilloscope (CH2 probe) to the TP2 of BJ board.
3. Adjust R V7 to obtain the waveform on the oscilloscope as
,hown in 1-ig. 2-1.
[
• 1 TP7 (AFC. P)
A .:. 8 t
_J~•••••••,-- A=B
TP2 (BRT. P)
Fig. 2-1
4-21
VIDEO A
terminal
HY boarc
'---C_H_I -,-{o)o @.)
8JboardTP7 @) D
CH2 I @)
BJ board TP2
BJ board
Oscilloscope
0
~
RV71GI
TP2-0
~
~
~
[el
TP10 (GND) 0
0
00
TP7 Q
r7QJ
@