Sony BVM-1911 Operation And Maintenance Manual page 127

18-2-8. BT Board Chroma Level Adjustment
SIGNAL GENERA TOR
• Tektronix 1410
[
FULL FIELD
J
WHITE REF 75%
AMPL 75%
Color bar signal
J . Feed a color bar signal to the VIDEO A INPUT terminal of
this set.
2. Set the YC SEP switch on the sub control panel to the
TRAP position.
3. Connect the oscilloscope to TPlOl on the BT board.
(DC 0.1 V/div:H)
4. Tum the POSITION control of the oscilloscope to set the
portion B (red) of Fig. 18-9 to the center of the oscilloscope.
5. Set the YC SEP button to the COMB position.
6. Set the PAL S/SECAM F/COMB S button on the sub
control panel to the ON.
7. Set the portion B (red) of Fig. I 8-9 to the center of the
oscilloscope using RVS (C OUTPUT LEVEL) on the BT
board.
I
n n
I
Th, """"' oscU/o,cop,
Jr-rt
(white) (red) ·
Fig. 18-9
BT board TP101
®D®
@)
@ @
Oscilloscope
4-59
BH board BT board
I
......
0
0
~~
0~
0
~
0
[Q]
0
~
RVS
0
TP101 RED
0
~o
0
0
0
8
SUB CONTROL PANEL (HY board)
0
0
0 0
Oil
0
QGAIN
0
1Q WHITE
BLUE GREEN
RED
0 0 OJJ. 0
Qe1AS
0
2Q GRAY
POSITION-LEVEL-ADJUST
CODED
o~o
D1 RGB YUV
0 0 0
0
3QFORMAT
TEST
6
A
0
SAD.
0 0 0
401NPUT VITC
MARKER
EXT INT
0
0
FILTER
0 0
sQsvNc
SECAM PAL NTSC
0
OMA.TRIX
>--
0
0
O
sQsvsTEM ASU
CHROMA.
/PHASE
COMB TRAP
•
0~~6~
F
0
•
• 1Qvc SEP
COMBS
WHITE MEM3 MEM2 M[Ml D65/093
BAL R3 R2 R1 RC
0
o~:~~
0 0 0 0
0
eQWlJLE
~
16. 9 4; 3
0 oi~wlEN
CONFIGURATION
0
0
sQASPECT
f5
SEL
REMOTE
0
0
oQ~~i~
RESET ENT ESC
0 0 0
OMENU
AUTO SETUP
0
4-60
00
oo