Sony BVM-2011P - 8. BC Board BPF ADJUSTMENT (BVM-1911 ONLY)

8. BC Board BPF ADJUSTMENT (BVM-1911 ONLY)
T-ektronix 1410
Generator
SWEEP signal
• YC SEP button (SUB CONTROL PANEL)········· TRAP
1. Input SWEEP signal to the VIDEO A terminal of the set.
2. Connect an oscilloscope to the TP2 on the BG board.
3. Make the V/dw of oscilloscope into VARIABLE, and match
the upper section of waveform to 7 div as shown in Fig. 8-1.
Fig. 8-1
4. Adjust L3 on the BC board so that A is equal to Bas shown in
Fig. 8-2.
A<B
Fig. 8-2
4-33
BG board
®D
TP2
®
®
@)
A=B
A is equal to 8 when the
amplitude is 5 div.
Oscilloscope
_l
@)
L3
~
(
BC board
~
~
~
0
0
~[§]
~
~
0
~
0
~
0
BG
board
~
~~~~~
[Q]
0
0
0
R-Y
4-34
SUB CONTROL PANEL (HY board)
0
0
0 0
OlI 0
OGAIN
0
1Q WHITE
BLUE
GREEN
RED
0 0
0
OBIAS
0
2QGRAY
Dl RGB
YUV CODED
0
0
0
0 3OFORMAT
TEST B
A
0
0 0
0
401NPUT
EXT
INT
0
0
0
sQsYNC
SECAM PAL
NTSC
0
0
0
0 sQsvsTEM
CHROMA.
/PHASE
COMB
TRAP
0
o~~JF
0
0
• 1Qvc SEP
COMB S
WHITE
MEM3
MEM2 MEMl D65/093
BAL
R3 R2 Rl
RO
0 o~~
0
0 0 0
0
aQ~rE
0
oi~~JEN
16: 9
4: 3
CONFIGURATION
0
0
sQASPECT
/j
SEL
REMOTE
0
0
oQ~~~
RESET ENT
ESC
0
0 0
OMENU
AUTO SETUP
0