Sony BVM-1916 Operation And Maintenance Manual page 112

BO board
20. BD (PAL) BOARD PHASE SHIFT ADJUSTMENT (BVM-2016P ONLY)
COMPS YNC signal
Color-bar signal ( R- Y (V) OFF
J
75n terminator
VIDEO A
,,----:;~,-::_:6>~_,_~~---::71
Generator
(
FULL FIELD R-Y (V)
off)
75%AMPL
100/RE
Attenuator
EXT SYNC
terminal
BG board
TP2
·®D®
®
@ @
Fig. 20-1
Oscilloscope
• SYNC button (SUB CONTROL PANEL)············ EXT
• PAL S/SECAM F/COMB S button
(SUB CONTROL PANEL)····························· ON
• RV2 (BD BOARD)························MECHANICAL CENTER
• CVI (BD BOARD)························MECHANICAL CENTER
• CV2 (BD BOARD)························MECHAN!CAL CENTER
1. Complete the connection as shown in Fig. 20-1.
2. Connect an socilloscope to the TP2 on the BG board.
3. Make the waeform flat with the PHASE control of front panel
(R) as shown in Fig. 20-2.
11,
I'
•
4. Attenuate the signal by !OdB by using attenuator.
5. Adjust RV2 on the BD board so that the output waveform
becomes flat as shown in Fig. 20-2.
6. Restore the attenuator to OdB.
7 Repeat the steps 3 to 5
FRONT PANEL
PHASE
control
AUTO
SET UP
Fig. 20-2
PROBE DEGAUSS
0
[g)
SCAN MOOE
SCREEN APER· BLUE MONO
~
TURE ONL 'f MODE
I
PHASE
I
MANUAL:::
4-63
-
'----
8D board
r0l~v2
0
~[Q]
0 CV2
[Q]
[Q]
~
oO
[Q]
[Q]
~
CV1
~o
~ ~
0
0
00
[Q]
0
[Q]
0
0
0~
BG board
~
~~~~~
~
0
0
0
SUB CONTROL PANEL (HY board)
0
0
0 0 Ofr
0
OGAIN
0
1QWHITE
BLUE
GREEN
srn
0 0 0-G 0
Qo1AS
0
2Q GRAY
POSITION -LEVEL-ADJUST
oomup
"' "
soe
'"' CODED
0 0 0 0 0
JofORMAT
~
TES\
" '
0
C
0 0 0
,l.OINPUT
MARKER
EXT
m
0
0
FILTER
0
0
sQsYNC
SECAM "' NTSC
--:.w-
0
OMATRIX
-
0 0
O
eQsYSTEM
CHROMA
/PHASE
COMB '""
•
o;~F
0 0
0
7QYc SEI'
COMB S
WHITE
"'" ""' MEMI D65/093
"'- ~
s,
SI "
0
o~m
0 0 0 0
0
aQ~E
~
16 · 9 4;
J
0 osPLIT
CONFIGURATION
0
0
eQASPECT
SCREEN
6
"'
REMOTE
0
0
oQ~CfrloL~
RESET
cm
csc
0 0 0
OMENU
AUTO SETUP
0
4-64