Sony DSC-U20 - Page 18

DSC-U20
COVER
COVER
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
3-2. OVERALL BLOCK DIAGRAM (2/2)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
3-3 3-4
74
79
26
80
36
4
5
16
34
46
29
28
TY-15 BOARD (2/2)
SW-376 FLEXIBLE
BOARD (2/2)
OP-17 FLEXIBLE BOARD
PD-174 BOARD (2/2)
S003
(SHUTTER)
CN401 (1/2)
D481
IC401
HI CONTROL
(4/4)
CN904 (2/2)
1
OVERALL (1/2)
(PAGE 3-1)
MODULATOR
2
OVERALL (1/2)
(PAGE 3-1)
3
OVERALL (1/2)
(PAGE 3-1)
5
OVERALL (1/2)
(PAGE 3-2)
XCHARGE LED
XSHUTTER
XAE LOCK SW
CN906 (2/2)
X401
10MHz
32
USB CLK EN
BZ901
BUZZER
XMC NMI
XCS MC
XMC HELP
CN001CN901
10
11
27 7
1
17
XPOWER ON
9
54
MODE DIAL
12
XPOWER LED
6
55
KEY AD0
29
5
VL 3V
28
6
Q402 (1/2)
51
52
X403
32.768kHz
77
XRST SYS
XRST SYS
SYS V
6
MS INT
65
USB HOLD
33
USB SUSPEND
61
USB VBUS
05
D001
(POWER )
D102
(SELF TIMER)
S101
(LENS COVER OPEN)
S002
S001
POWER
19
XSELF TIMER LED
XLENS CAP OPEN
3
3
73
31
5
S480
RESET
METAL DISC
CN002
1
BT480
LITHIUM
BATTERY
IC402
5
4
8
6
7
3
INITIAL RESET,
BACK UP VCC
(4/4)
EVER 4.0V
BACKUP VCC
EVER 3.0V
CN001
1
3
PLAY STILL MOVIE
RS-85 FLEXIBLE BOARD
FP-533 FLEXIBLE
BOARD (2/2)
CN908
XRESET SW ON
1
LED
DRIVE
Q402 (2/2)
LED
DRIVE
MENU
S481
SCENE
S482
S483
EXEC
BUFFER
Q401
9
USB JACK IN
INVERTER
Q403
FR SI, FR SO, XFR SCK
23
ı
25
FP-532 FLEXIBLE
BOARD
41
ı
44
48
49
50
20
ı
22
76
UNREG SO, UNREG SCK, XCS DDCON, SYS DD ON
8
ı
11
3
4
2
IC001
DC/DC
CONTROL
(2/2)
EVER 4.0V
D 1.5V
D 2.8V
A 2.8V
PANEL 2.8V
CAM 15V
M 5V
PANEL 13.5V
BUZZER 15V
CAM
−
7.5V
FL
−
VO
EVER 3.0V
44
ı
46
57
UNREG SO, UNREG SCK, XCS DDCON, SYS DD ON
BATT UNREG
ACT UNREG
ST UNREG
+
BT901
BATTERY
TERMINAL
–
USB 5VUSB 5V
4
OVERALL (1/2)
(PAGE 3-2)
DD-182 BOARD
BUZZER
Q404, 405
XSTB FULL
STB CHARGE
14
53
62
63
BUZZER