Sony BVP-900P Maintenance Manual page 21

MD-83 board
A B C
1
2
3
4
5
6
7
8
9
10
11
12
Ref. No. Switch name
S1 R ON/OFF switch
S2 G ON/OFF switch
S3 B ON/OFF switch
S4 PROMPTER DIRECTION select
switch
*2
Adjusting point S1
RV101 (Y REF) ON
RV201 (R-Y REF) OFF
RV301 (B-Y REF) OFF
BVP-900 P1
D E F G H J
S1
S2
S3
MD-83 BOARD (A SIDE)
Description
Select the combination of R, G and B
signals input to the Y, R-Y and B-Y matrix
circuits for board adjustment.
Selects the direction of the prompter signal
to be transmitted between the camera and
CCU.
CCU → CAM: The prompter signal is
CAM → CCU: The prompter signal is input
S2 S3
ON ON
ON ON
OFF ON
K L M N P Q
S4
*2
transmitted from the CCU
to the camera and then it is
output at the PROMPTER
connector of the camera.
at the PROMPTER connector
of the camera and then it is
transmitted to the CCU.
1-8. Function of Internal Switches
R
Factory setting
All ON
CCU → CAM
1-15 (E)