Sony BVM-1911 Operation And Maintenance Manual page 135

25. BD BOARD (PAL) Y TRAP ADJUSTMENT
(BVM-2011 P ONLY)
color-bar signal
"1~
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Tektronix 1411 (PAL)
Generator
(FULL FIELD)
Input color-bar signal to VIDEO A terminal of the set.
2. Connect an oscilloscope to the TPl of BG board.
3. Adjust L1 of BO board so that 4.43 MHz (PAL) subcarricr is
minimum as shown in Fig. 25-1.
Fig. 25-1
BG board
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c::::J
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fQ]
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QTP1
y
0
0
~
0
~
~
[Q]~~o
0
[Q]~[QJ
4-75
HY board
75D. terminator
VIDEO A
0
BG board
TP 1
BD board
0
0
[Q]
[Q]L1
00
[Q]
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@ @
Oscilloscope
tQ]
~(Q]
[Q]
[Q]
~
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0
0
00
fQ]
0
~
0
0
0
EQ]