Read Sony DSC-P3 Service Manual online
DSC-P3
4-33
4-34
FLASH CONTROL
SY-73 (10/11)
SY-73 (FLASH CONTROL) SCHEMATIC DIAGRAM
• See page 4-11 for SY-73 printed wiring board.
R:REC MODE
P:PB MODE
NO MARK:REC/PB MODE
*:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
5
0
0
R0/P5
0
R5/P0
3.9
0
R3/P0
R5/P0
0
0
0
R*/P0
R*/P0
R*/P0
0
R5/P0
0
0
R*/P0
0
4
4
4
0
2.2
0
0
0
0
STRB_ON
R924
0
150
R916
1u
C905
FRAME_GND
3300
R905
SEG5
R944
10k
COM2
47k
R910
SEG8
1k
R915
SEG2
UNRL11300AS0
Q903
1
4
3
2
R942
22k
SEG1
LND951
STATIC_GND
SEG3
2SD2216L0AS0
Q908
1
4
3
2
2SD2216L0AS0
Q905
1
4
3
2
0.047u
C904
ST_UNREG
SEG4
XSTB_FULL
UNRL21300AS0
Q910
1
4
3
2
R945
10k
0.001u
C902
STRB_PHOTO_ON
1k
R904
4700
R911
30P
CN903
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
MAZR08200AS0
D905
2
3
4
1
R943
1k
MAZR08200AS0
D902
4
1
2
3
STB_CHG
COM3
SEG0
COM1
SEG7
R925
68
COM0
270
R918
PRELAMP_AF_ON
UNRL21100AS0
Q920
1
4
3
2
MAZR082H0AS0
D901
1
4
3
2
SEG6
XX
R913
100
R920
STRB_AIN
UNRL21100AS0
Q911
1
4
3
2
R926
68
1SS388C(TPL3)
D904
4
1
2
3
4700
R922
0.1u
C903
4700
R921
2.2uH
L901
CPH3109-TL
Q921
100k
R946
4.7u
C914
RN1902FE(TPLR3)
Q904
6
2
1
3
5
4
RN1902FE(TPLR3)
Q907
6
2
1
3
5
4
RN2902FE(TPLR3)
Q906
6
2
1
3
5
4
10V
22u
C915
XP4501-TXE
Q915
6
2
1
3
5
4
1
A
SELF_TIMER
CAM_DD_ON
M_5V
FRAME_GND
R917
0
REG_GND
VL_3V
FRAME_GND
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG0
SEG6
SEG7
SEG8
COM0
COM1
SEG7
SEG8
SEG4
SEG5
SEG3
SEG2
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
COM2
COM3
PHOTO_TR_OUT
STB_FULL
ST_UMREG
STB_ON1
SEG1
SEG3
SEG6
SEG4
REG_GND
REG_GND
SEG9
VL_3V
REG_GND
COM2
XPRELAMP_AF_ON
ST_UNREG
REG_GND
PRELAMP_POWER
COM4
REG_GND
COM1
SEG5
COM3
SEG2
ST_UNREG
SEG7
PHOTO_TR_C
SEG8
REG_GND
REG_GND
2
4
F
12
5
G
11
8
7
6
E
05
B
SY-73 BOARD (10/11)
9
3
D
C
10
XX MARK:NO MOUNT
-REF.NO.:1,000 SERIES-
FLASH CONTROL(ST BLOCK)
35
SY-73 BOARD (5/11)
SY-73 BOARD (2/11)
7
17
SY-73 BOARD (2/11)
26
SY-73 BOARD (5/11)
SWITCH
Q903,904(1/2)
B+ SWITCH
Q904(2/2),906(1/2)
PHOTO TRANSISTOR
CONTROL
LED DRIVE
FLASH CONTROL
Q906(2/2),907,908
(SEE PAGE 4-41)
ST-67 BOARD CN102
Q911,920
FLASH CHARGE
DETECTOR
B+ SWITCH
Q910,921
53
SY-73 BOARD (11/11)
SY-73 BOARD (7/11)
42
SY-73 BOARD (7/11)
45
46
SY-73 BOARD (7/11)
H
13
14
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