Sony DSR-250 Service Manual page 108

DSR-250/250P
For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
1
VI-156 BOARD(16/25)
PARALLEL IN/SERIAL OUT(KY BLOCK)
A -REF.NO.: 10000 SERIES-
XX MARK:NO MOUNT
132
TO(22/25)
B
133
TO(23/25)
134
TO(22/25)
C
D
135
TO(22/25)
136
TO(22/25)
137
TO(23/25)
E
138
TO(22/25)
139
TO(22/25)
F
16
PALALLEL IN / SERIAL OUT
VI-156 (16/25)
2 3 4
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
GAIN_L
GAIN_H
VF_DISPLAY
C
D
IRIS
WHT_BAL_B
WHT_BAL_PRE
LIGHT
CH2_AUTO/MANU
CH1_AUTO/MANU
DISPLAY
ATW
AGC
4-43
5 6 7
IC051 IC052
PARALLEL IN
PARALLEL IN
SERIA OUT SERIA OUT
16 15 14 13 12 11 10 9 16 15 14 13 12 11
1 2 3 4 5 6 7 8 1 2 3 4 5 6
C051
0.1u
C052
0.1u
8 9 10
IC053
INTERFACE
R067
100k
R068
R066
100k
100
10 9 8 7 6 5
5 4
1 2 3
7 8 1 2 3 4
C054
C053
0.1u
0.1u
4-44
11 12
D_2.8V 16
TO(25/25)
TO(4/25,8/25,9/25,
32
XHI_SCK
13/25,17/25,
22/25,23/25)
IC054
INTERFACE
35 TO(4/25,5/25,9/25,
HI_SI
13/25,17/25)
139
XCS_P/S
TO(17/25)
REG_GND 6
TO(25/25)