Read Sony DSC-P3 Service Manual online
DSC-P3
3-7
3-8
3-4. LENS MOTOR DRIVE BLOCK DIAGRAM
LENS
TEMP
SENSOR
FOCUS RESET
SENSOR
LENS BLOCK
3
4
5
5
Q203
D 3.2V
FOCUS RST
SENS VCC
TEMP OUT
05
LENS TEMP AD
PE EN0
PE DIR0A
PE DIR0B
XFC RST SENS
XLENS RST LED
1
SY-73 BOARD (3/6)
M
M
FOCUS
MOTOR
21
4
10
12
11
23
2
B1 FA
A1 FA
B2 FB
A2 FB
9
IN1
EN1
EN2
IN2
9
7
8
6
FOCUS A
FOCUS A
FOCUS B
FOCUS B
14
16
EN3
EN4
M
M
IRIS
METER
CN201
H
16
17
15
14
12
13
IC202
(1/2)
IRIS DRIVE
(SEE PAGE 4-21)
IC203
(2/4)
HALL BIAS CONTROL
(SEE PAGE 4-22)
IC203
(1/4)
IRIS DRIVE
(SEE PAGE 4-22)
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
1
2
3
IC203
(3/4)
HALL GAIN CONTROL
(SEE PAGE 4-22)
1
3
2
9
10
8
7
5
6
14
12
13
IRIS
DRIVE
Q201
D202
GAIN
CONTROL
Q202
IC202
(2/2)
IRIS DRIVE
(SEE PAGE 4-21)
IC203
(4/4)
HALL AMP
(SEE PAGE 4-22)
7
5
6
17
19
13
15
5
7
B4 ZB
B3 ZA
A3 ZA
A4 ZB
D 3.2V
IN3
IN4
DRIVE–
DRIVE+
BIAS+
HALL+
HALL–
BIAS–
HALL AD
HALL OFFSET
HALL GAIN
HALL REF
IRIS CONT2
IRIS CONT1
MSHUT ON
IC201
(SEE PAGE 4-21)
FOCUS
DRIVE
IRIS
(MECHA SHUTTER)
DRIVE
6
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
CAMERA BLOCK1
(SEE PAGE 3-4)
18
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
CAMERA BLOCK2
(SEE PAGE 3-6)
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