Sony DSC-U20 - Page 17

DSC-U20
COVER
COVER
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM (1/2)
3-1 3-2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
SECTION 3
BLOCK DIAGRAMS
LENS
IRIS
(SHUTTER)
LENS BLOCK
3
6
4
5
H
M
IRIS
METER
M
FOCUS
SENSOR
1
2
7
11
IC202 IC206
HALL AMP,
HALL BIAS CONTROL,
HALL GAIN CONTROL
IRIS DRIVE
(3/4)
12
ı
15
SL-59 FLEXIBLE
BOARD (1/2)
13
16
14
15
11
12
17
21
22
ı
25
HALL
+
,
−
BIAS
+
,
−
DRIVE
−
DRIVE
+
FOCUS A, A, B, B
XFC RST SENS
LENS TEMP
SHUTTER
DRIVE
(3/4)
IC204
FOCUS MOTOR
DRIVER
135
−
139
141
−
143
147 149
151 152
10
12
16
17
1
ı
4
6
ı
9
18
4
5
ı
11
57
61
CCD
IMAGER
(1/2)
IC302
CAMERA
MODULE
(2/2)
IC101
12
ı
23
1
ı
3
CCD OUT
RG, H1, H2
V1, V2A, V2B,
V2C, V3A, V3B,
V3C, V4
VSHT
8
9
CA AD00
−
AD11
34
35
38
39
33
26
27
CAM SO, XCAM_SCK
13
11
7
15
16
19
ı
30
130
127
126
125
227
CA HD
CA FD
MCK
TG CLK
XCAM RESET
CA HD
CA FD
MCK
TG CLK
252
253
IC602 (1/2)
CAMERA DSP,
MAIN CPU
(1/4)
39
36
33
35
HALL AD
HALL OFFSET
IRIS CONT1
HALL GAIN
109
228
119
122
123
124
202
41
107
10
8
4
FLASH
DRIVE
FLASH
CHARGE
DETECT
LENS TEMP
SENSOR
Q505
−
508
Q504
ST-79 BOARD
FLASH
UNIT
XE K (L)
XE A(H)
CL606,
607
CL536,
537
CL641
CL631
CL623
CL526
CL516
CL508
OVERALL (2/2)
(PAGE 3-4)
1
CN903 (2/2)
STRB ON
XSTB FULL
STB CHARGE
23
13
14
100
99
98
19
20
21
167
86
88
87
44
45
46
47
16
15
10
12
25
26
24
11
32 2
20
21
15
14
13
18
19
24
22
9
8
10
FP-533
FLEXIBLE
BOARD (1/2)
OVERALL (2/2)
(PAGE 3-4)
3
CAM SO, XCAM_SCK
CAM SO, XCAM_SCK
17 17
50
23
51
19
45
48
67
47
78
20
CAM SO, XCAM_SCK
61
7
8
62
32
PSIG
DRIVE
Q403
−
406
65
13
41
−
43
63 64
72 76 77
CA AD00
−
AD11
15
5
218
PANEL B
PANEL G
PANEL R
XVD
TG CLK
XHD
XRST SYS
XCS LCD
VG
VR
VP
VB
242
243
245
2
ı
4
6219
EEPROM RST
261
−
263
265
−
267
270
−
275
277
−
279
281
EEPROM TXD,
RXD, SCK
EEPROM
(2/4)
IC604
29
−
36
38
−
45
18 19 50 51
53
−
55 57
−
59
61
−
63 65
−
67
70 71 73 74
12
1
−
9
16
−
25 48
MC D00
−
D15
MC A01
−
A20
213
16M
FLASH ROM
(2/4)
IC603
PANEL B
PANEL G
PANEL R
XVD
TG CLK
XHD
XRST SYS
XCS LCD
Q402
Q401
5
10
11
15
16
22
ı
25
CN402
8
6
9
26
1
PANEL 2.8V
Q461
FRONT LIGHT
DRIVE
Q462
1
D 1.5V
3
4
3
FL
−
VO
RGT, HCK1, HCK2,
HST, WIDE, DWN,
EN, VCK, VST
7
G
B
PSIG
COM
R
COLOR
LCD
LCD901
PANEL UNIT
LED A
LED K
FRONT LIGHT
22
23
USB D
15
18
20
5
6
USB D
2
3
CN907 CN050
CD-425 FLEXIBLE BOARD TY-15 BOARD (1/2)
US-4 FLEXIBLE
BOARD
SW-376 FLEXIBLE
BOARD (1/2)
PD-174 BOARD (1/2)
27
OVERALL (2/2)
(PAGE 3-4)
2
XRST SYS
USB CLK EN
IC602 (2/2)
CAMERA DSP,
MAIN CPU
(1/4)
255
258
259
MS DIO, MS BS, MS SCLK
2
4
8
MS DIO, MS BS, MS SCLK
257
163
162
X603
27MHz
D902
(MS ACCESS)
134
90
26
30
31
166
214
247
XCS MC
SYS V
USB HOLD
USB SUSPEND
USB VBUS
XMC NMI
XMC HELP
249
ı
251
FR SI , FR SO, XFR SCK
OVERALL (2/2)
(PAGE 3-4)
5
2
3
1
1
USB 5V
OVERALL (2/2)
(PAGE 3-4)
4
CN906
(1/2)
19 6
USB JACK IN
MS INT
MEMORY
STICK
(MS CONNECTOR)
(USB)
XCAM RESET
CN902
CN904
(1/2)
CN401
(1/2)
VB
VG
VR
VG
VR
VP
VB
FRONT LIGHT
CONTROL
IC461
VCC
USB JACK IN
MS INT
PE EN0, PE DIR1A, PE DIR0B
CAM DD ON, MSHUT ON
CN903
(1/2)
05
FOCUS
MOTOR
LCD
DRIVE
IC401
A : VIDEO SIGNAL
Q604
AMP
Q605
AMP
Q606
AMP
230
AMP
SWITCH
Q607
A 2.8V
CL601
ı
CL603
CL531
ı
CL533
B+
SWITCH
Q501, 502
CL501
ı
CL507
T502
CL616
ı
CL622
ST UNREG
CHARGING
CAPACITOR
FL+VO
X601
48MHz