Read Sony DSC-P20 Service Manual online
DSC-P20
3-3
3-4
SECTION 3
BLOCK DIAGRAMS
3-2. CAMERA BLOCK DIAGRAM 1
16
21
17
22
23
16
32
48
31
47
2
43
45
184
15
125
39
124
16
122
17
121
18
120
38
94
19
118
218
9
4
26
2
11
6
16
179
30
48
35
5
34
6
46
30
202
33
1
59
43
42
72
39
41
40
183
69
67
66
64
63
199
158
203
209
198
162
BUFFER
Q307
168
BUFFER
Q309
165
182
185
BUFFER
Q308
173
BUFFER
Q305
176
BUFFER
Q306
Q304, 313
CCD OUT
TG CLK
IC101
TIMING
GENERATOR
(SEE PAGE 4-11)
IC781
CLOCK GEN.
(SEE PAGE 4-22)
IC102
S/H, AGC,
A/D CONV.
(SEE PAGE 4-12)
IC301
CAMERA DSP
(SEE PAGE 4-16)
XTG CS
CKI
XSHP
XSHD
ADCLK
SCK
SSI
RST
MCKO
HDI
VDI
SEN
XCAM SCK
CAM SO
XCAM REST
XIC102 CS
XSHP
XSHD
ADCCLK
SCLK
SDATA
RST
SEN
CCDIN
D0 – D11
SDL
CLK3 OUT
FIN
05
CLK2 OUT
XNTSC/PAL
REF OUT
CLK1 OUT
X781
48MHz
1
ı
12
8
10
ı
20
DATA BUS 12
DATA BUS
16
16
14
14
ADDRESS BUS
IC302
64M SDRAM
(SEE PAGE 4-17)
2 4 5 7 8 10
11 13 42 44
45 47 48 50
51 53
11 13 42 44
45 47 48 50
51 53
126 – 129
131 – 135
137 – 140
142 – 144
131 – 135
137 – 140
142 – 144
99 100
102 – 105
107 – 110
112 114
102 – 105
107 – 110
112 114
20 – 26
29 – 35
29 – 35
96
97
97
DATA BUS
16
ADDRESS BUS
14
12
16
2
AU CLK
DQML
DQ0 – 15
A0 – 13
DQMU
WE
CAS
RAS
CLK
CS
QDML
BA0, BA1
ADIN00 – 11
AQ00 – 11
DQ00 – DQ15
QDMH
XWE
XCAS
XRAS
QCLK
XCSO
ACLK
EXTPAL
CLK TG
OPBO
CCDHD
CCDFD
SUBCNTL
75 76 78 – 82
84 – 88 90 – 93
84 – 88 90 – 93
23 – 29 31 – 35
37 38
37 38
NTVDO
D00 – 15
A01 – 14
NTVDI
RSTX
WRHX
WRLX
CPUCK
RDX
CSX2
CSX
FLD
DRAK1
DRQ1
IRQAU
IRQIMG
IRQJPG
STROBE1
(STRB PHOTO ON) PIO00
STRBAD
LRCK
SHUTTER
PYO
CRO
CBO
HD
LCDVD
YO
CO
SYS V
XRST SYS
MC XWE1
MC XWE0
MC HCLK
MC XRD
MC XCS2
MC XCS6
IC301FLD
MC DRAK0
MC DREQ0
IRQAUDIO
IRQIMG
IRQJPG
STRB ON
STRB PHOTO ON
STRB AIN
AU LRCK
MSHUT ON
PANEL Y
PANEL R-Y
PANEL B-Y
HDO
PANEL V
Y OUT
C OUT
CNT C
XTG CS
XIC102 CS
XCAM RESET
XCAM SCK
CAM SO
XIC102 CS
XCAM RESET
XCAM SCK
CAM SO
PAL/XNTSC
MCK12
CA HD
CA FD
VSUB CNT
1
TO
CAMERA BLOCK2
(SEE PAGE 3-5)
CAMERA BLOCK2
(SEE PAGE 3-5)
6
7
11
TO
CAMERA BLOCK2
(SEE PAGE 3-6)
12
TO
CAMERA BLOCK2
(SEE PAGE 3-5)
9
TO
LENS MOTOR DRIVE
(SEE PAGE 3-8)
LENS MOTOR DRIVE
(SEE PAGE 3-8)
10
TO
MODE CONTROL BLOCK
(SEE PAGE 3-10)
MODE CONTROL BLOCK
(SEE PAGE 3-10)
5
TO
LENS MOTOR DRIVE
BLOCK
(SEE PAGE 3-8)
LENS MOTOR DRIVE
BLOCK
(SEE PAGE 3-8)
2
TO
CAMERA BLOCK2
(SEE PAGE 3-5)
CAMERA BLOCK2
(SEE PAGE 3-5)
3
TO
USB/FLASH
BLOCK
(SEE PAGE 3-11)
USB/FLASH
BLOCK
(SEE PAGE 3-11)
4
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-10)
MODE CONTROL
BLOCK
(SEE PAGE 3-10)
CHROMA
CONTROL
PAL/XNTSC
USB CLK
MC CLK
AU CLK EN
22
20
CLPOB
CLPOB
7
CLK1 ON
161
172
VREF1
VREF2
PE DAC LEVEL1
PE DAC LEVEL2
SYS V
TO LCD BLOCK
(SEE PAGE 3-13)
(SEE PAGE 3-13)
TO LCD BLOCK
(SEE PAGE 3-13)
(SEE PAGE 3-13)
2
4
9
7
13
8
12
15
40
11
44
14
46
13
39
10
41
12
43
IC351
CCD IMAGER
(SEE PAGE 4-6)
Q351
CN351
BUFFER
Q353
SWITCH
RG
VOUT
H2
H1
V4
V3A
V3B
V2
V1A
V1B
RG
CCD OUT
H2
H1
V4
V3A
V3B
V2
V1A
V1B
VSUB CONT
7
5
6
12
9
8
13
11
10
15
18
14
16
15
9
12
13
8
10
11
6
2
19
3
CN101
SY-66 BOARD (1/6)
CD-332 BOARD
RG
H2
H1
V4
V3A
V3B
V2
V1A
V1B
16
47
CSUB
VSHT
14
7
SUB
CCD
TEMP
SENSOR
CCD TEMP
CCD TEMP AD
TH351
23
CLPDM
2
IC351
2
REC
12.3 MHz
3.4 Vp-p
IC351
4
REC
125
µ
sec
600 mVp-p
10.8 MHz
IC351
7
,
8
REC
4.3 Vp-p
IC351
q;
,
qs
,
qd
REC
125
µ
sec
7.8 Vp-p
IC351
qa
,
qf
,
qg
REC
125
µ
sec
7.8 Vp-p
IC101
e;
REC/PB
12 MHz
4.3 Vp-p
IC101
ef
REC/PB
V
3.0 Vp-p
IC101
eg
REC/PB
3.0 Vp-p
H
IC102
qh
REC
18 MHz
3.0 Vp-p
Q307
E
REC/PB
440 mVp-p
H
Q308
E
REC/PB
160 mVp-p
H
Q309
E
REC/PB
H
200 mVp-p
IC781
2
(X781) REC/PB
48 MHz
4.0 Vp-p
IC781
4
REC/PB
24.54 MHz
4.4 Vp-p
IC781
9
REC/PB
4.4 Vp-p
16.38 MHz
IC781
qa
REC/PB
25.80 MHz
4.2 Vp-p
IC781
qh
REC/PB
3.8 Vp-p
48 MHz
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