Sony DSC-F77 Service Manual page 9

DSC-F77/FX77
COVER
COVER
For Schematic Diagram
• Refer to page 4-47 for printed wiring board.
1 2
SY-81 BOARD (5/13)
A
LENS DRIVE(LD BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
C
D
E
F
G
HALL-
R801 0 5%
BIAS+
BIAS-
R802 0 5%
HALL+
H
FC_SENS_VCC
XFC_RST_SENS
1
REG_GND
DRIVE+
(1/13)
FOCUS_B
FOCUS_A
FOCUS_B
FOCUS_A
I
DRIVE-
R803
0
5%
J
K
L
05
SY-81 (5/13)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5 6
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
R812
16k
0.5%
C824
XX
R814
1k
0.5%
R809
22k R811
100k
0.5%
R808
0.5%
100k
0.5%
C804
0.01u
11 10 9 8
C802
0.033u
IN(+) OUT
IC801
R804
IN(-) IN(-)
100k HALL CONTROL
0.5% IC801
NJM12902SC3 (TE2)
OUT IN(+)
1 2 3 4
R805
2200
0.5%
R806
C803 C805 C806
XX
XX 1u 0.01u
0.5%
R810 R813
R807
10k
100k
10k
0.5%
0.5%
0.5%
4-17
SY-81 BOARD SIDE A SY-81 BOARD SIDE A SY-81 BOARD SIDE B SY-81 BOARD SIDE B
7 8 9 10
R829
2200
0.5%
C817
0.1u
R826
R824
180k 0.5%
2700
R825
XX
C812
10p
11 10 9 8
R823
180k
0.5%
IC803
IN(+) OUT
R819
220k IN(-) HALL CONTROL IN(-)
C811
0.5% HALL AMP
3300p
IC803
OUT NJM12902SC3 (TE2) IN(+)
R837
C807
0
0.01u C810
5%
0.047u
C808
0.001u
1 2 3 4
3 2
1
4
Q802
2SD2216L0AS0
GAIN CONTROL
R827 R828 R830
R818
C813
330 1k 10k
4700
0.1u
0.5% 0.5% 0.5%
0.5%
C825
XX
24 23 22 21 20 19 18 17 16 15 14 13
IC802
FOCUS/IRIS(MECHA SHUTTER)
DRIVE
IC802
WTGA-UPD16877W
1 2 3 4 5 6 7 8 9 10 11 12
11 12 13 14
C816
XX
R831
C815
10k
3300p
5%
C818 L802
XX 10uH
C822
C821
10u
0.01u
6.3V
R839
10k
0.5%
2 3
1
R838
2.9
10k Q801 4
0.5%
2SD2216L0AS0
IC804 3 2 1
BUFFER
R841 SHUTTER CONTROL
R840
XX IC804
10k
TC7SH08FU-TE85R
5%
4 5
Q803
2SB1462L0AS0
R3.1/P0 3.1
B+ SWITCH
3
4
2
1
R833 4700
L801
10uH
C814
C820 C823
0.1u
C819 22u 10u
0.1u
10V 10V
4-18
15 16 17
IRIS_CONT2
IRIS_CONT1
35
HALL_OFFSET
HALL_REF
(4/13)
HALL_GAIN
HALL_AD
27
IRIS_COM
(3/13)
CAM_3.2V
M_5V 39
L803
10uH (13/13)
REG_GND
XMSHUT_ON
R834
56k
0.5%
XLENS_RST_LED
5%
XFC_RST_SENS
MSHUT_EN
10
(2/13)
HR_EN0
HR_DIR0B
HR_DIR0A