Sony BVM-1916 Operation And Maintenance Manual page 93

4. BA Board INPUT CIRCUIT FREQUENCY
CHARACTERISTIC ADJUSTMENT
COMP SYNC signal
Tektronix 1410
Generator
Fig. 4· 1
I. Complete the connection as shown in Fig 4-1.
• FORMAT button (SUB CONTROL PANEL) ....... CODED
• INPUT selector (FRONT PANEL). . .............................. 1
• SYNC button (SUB CONTROL PANEL) ................................. EXT
• CONTRAST control (FRONT PANEL) . . .... Minimum
• BRIGHTNESS control (FRONT PANEL) ........................ Minimum
2. Adjust CV!Ol so that minimum as shovm in Fig. 4-2.
CV101
~mack;hould become MIN
~
:;;; 180
opposite.
Fig. 4·2
3 Adjust output waveform peak to l 2\1Hz with CVI 02 of the
BA board as sho,.,,'n in Fig. 4-3.
4
0
10MHz 12MHz
0
12MHz
Fig. 4.3
Adju,t CVIOI of the BA board so that the output waveform
become, flat in a range of Oto 10MHz a, ,hown in Fig. 4-4.
10MHz
Fig. 4.4
_____ _!
-T
within ~o.5d8
FRONT PANEL
AUTO
SET UP
PROBE
0
DEGAUSS
SCAN MODE SCREEN APER· BLUE MONO
,-,----, ,-,----,
TUR£ ONLY MODE
[Q) (I]
13
R
[g][g][g][g][g][g][g][g][g]
4-25
~o·
000
0
,0
r/
0
'eJ
INPUT
VIDEO A
TG OUT (-)-',---, l
0
t)o
O
~~m
0
terminal
Tracking scope
BA board TP101
0
0
BA board
[§]
®[QJ
0
0
IGJ
CV101
TP101
g
10'
10
I
CH-A cv102\'.:::J/
BRIGHTNESS
control
CONTRAST
control
CONTRAST
MANUAL SW
=
BRIGHTNESS
MANUAL SW
=
5. In the same way ,perform the adjustment, under the following conditions.
BA board
INPUT FORMAT
TP
button button
(BA
CV
INPUT
{BA board)
(SUB CONTROL PANEL)
board)
TP601
0
BLUE[§]
o(S)
CV601
0
cvso2@
[QJ
B B CODED TP20I CV201, 202
R/R-Y
RGB TP401 CV401. 402
G/Y([EST RGB TPS0I CVS0I,502
B/B-Y RGB TP601 CV601, 602
[§]
CV501
[QJ
cvso2@
TP401o[§l CV401 RED
[QJ
CV402®
SUB CONTROL PANEL (HY board)
0 0
[§] 0
0
CV201
Qo,,,
1QWHITE
-
[QJ
0 0 Ofr
0 0
cv202@
BLUE GREEN
'"
0 00
Qa.s 0
2Q GRAY
GREEN
0
0
TP501
Q
[§]
POSITION -LEVEL ~ADJUST
~ "
,ca "'N
CODED
0 TP201
Q
[QJ
OOPIC 0 0
•
0 0
3ofORMAT
CH·B
Q
(0)
SETUP
0
~R
TEST
a
A
0 0 0
4O1NPUT
m
"'
0
0
FILTER
•
0
sQsvNc
~
SECAM '"' NTSC
0
OMATRIX
0 0 Q
sQsvsTEM
~SOMA
/PHASE
OOMS
>AA,
0
o~:tJ
,o
0 Q
1QvcsEP
COMB S
WHITE
"'~ "'"'
MEMl OOS/00,
w
" "' "
,o
0
Qg~~
0 0 0 0 0
aQ~E
f-
16; 9 ,; : 3
0
OSPLIT
CONFIGURATION
0 0
9QASPECT
SCREEN
0
m
REMOTE
0
0 oQ~~IE
RESET ENT
,sc
0 0 0
QMENU
0
AUTO SETUP
0
4·26