Sony DSR-250 Service Manual page 106

DSR-250/250P
For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
1
VI-156 BOARD(14/25)
A
ZOOM/FOCUS DRIVE(LA BLOCK)
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C
D
E
125
TO(23/25)
F
126
TO(23/25)
G 114
TO(13/25,23/25)
13 TO(2/25,13/25,
23/25)
H
127
TO(23/25)
I
128
TO(23/25)
J
K
L
16
ZOOM/FOCUS MOTOR DRIVE
VI-156 (14/25)
2 3 4 5
D140
MA2S111-(K8).SO
4700p
2SD2216J-QR(K8).SO
0
C140
0.01u
B
BIAS+
HALL+
BIAS-
HALL-
DRIVE-
DRIVE+
C143
1u
C141
0.01u
B
MF_F0
MF_F1
MZ_F0
MZ_F1
TEMP_OUT
ND_SW1
ND_SW2
ND_SW3
ZM_RST_SENS
FC_RST_SENS
R142 R143 R144 R145 R146
68k 68k 68k 68k 68k
Q140
2SB1462J-QR(K8).SO
Z/F SENS ON/OFF
3.1
0
ZMFC_SENS_VCC
FC_A
FC_A
FC_A
R141
FC_A
3.1
47k
FC_B
FC_B
FC_B
FC_B
R140
3.1
1k Q141
UN9213J-(K8).SO
ZOOM/FOCUS LED DRIVE
0
ZM_B
ZM_B
ZM_B
ZM_B
ZM_A
ZM_A
ZM_A
ZM_A
4-39
6 7 8 9
R162
R157 1k
2200
C148 R158
0.22u 15k
B
R160
R155
470k
470k
C147 R161 C149
470p
1k 0.001u
B B
7 6 5 4 3 2 1 C155
0.1u
B
C142
R151
1M
B
IC141
Q142
IRIS DRIVE
HALL AMP
DRIVE AMP
R2.0/ 8 9 10 11 12 13 14
R150
P3.0
1k
Q143
C146 2SD2216J-QR(K8).SO
R0.4/ 0.1u
BASIS AMP
P0 B R156
470k
R154 0.7 R166
220k 10k
R149
R165
XX
0 0.6 1k
R152 R153
2200 10k
R163
R147
330
0 C144
C145
1/10W XX
C170
0.1u
0.1u
B
B
C153
2200p
B
R159 C150 C151 R167
22k 0.47u 0.01u 47k
B B
R164
FB140
22k
C171 C172
R171 R172
R148 470p 470p
47k 47k IC143
R178
B B
47k
BU9241FS-E2 560
R173
R0/P3.0
1k 3.0
F0 VDD
3.0
F1
R174
CTL2 C163
1k CTL1
0.22u
B
IC143 R177
56k
DETECTOR
0
0
FG DIR
3.0
MM
C160
GND
GND
47p
CH
L140 10uH
C152
24 23 22 21 20 19 18 17 16 15 14 13
0.1u
B
IC140
ZOOM/FOCUS MOTOR DRIVE
C154
10u
10V
1 2 3 4 5 6 7 8 9 10 11 12 A
10 11 12
R187 L141
0 10uH
C157
22u
4V
P
IC142
L142
V REF
10uH
R168
L143
47k
10uH
± 0.5%
5 4
R169
18k
± 0.5%
C158 C166
1 2 3 C156
0.1u 22u 22u
0.9 0.9 B 4V 4V
P P
R170
C159
470
0.1u
± 0.5%
B
C173 C174
470p 470p R180
R179
IC144
B B 47k R186
47k
BU9241FS-E2
560
R181 3.0
1k R0/P3.0
F0 VDD
3.0
C162
F1
0.22u
R182
B
CTL2
1k CTL1
IC144
R185
56k DETECTOR
0
0
FG DIR
3.0
MM
GND
C161 GND
47p
CH
4-40
13 14 15
HALL_AD
113
TO(13/25)
IRIS_PWM
IRIS_OFFSET
124
TO(13/25)
IRIS_GAIN
D_2.8V
16
TO(25/25)
D_3.1V 7
TO(25/25)
6
REG_GND TO(25/25)
IRIS_COM
MZ_A
MZ_B
121
TO(13/25)
MF_A
MF_B
ZM_FC_LED 112 TO(13/25)
101
MT_5.2V TO(25/25)
129
MT_GND TO(15/25,22/25,23/25)
DIR_1B
DIR_1A
EN1
DIR_0B 12
TO(2/25)
DIR_0A
EN0
IRIS_COM