Read Sony DSC-P20 Service Manual online
DSC-P20
3-5
3-6
3-3. CAMERA BLOCK DIAGRAM 2
16 DATA BUS 16
16 DATA BUS 16
14 ADDRESS BUS 14
20 ADDRESS BUS 20
16 DATA BUS 16
16 DATA BUS 16
14 ADDRESS BUS 14
20 ADDRESS BUS 20
35 37 – 45
47 49 – 53
47 49 – 53
57 – 59 61
63 – 71 73
75 – 80
63 – 71 73
75 – 80
110
102
111
169
92
113
96
93
99
91
200
9
101
185
105
196
198
12
11
10
134
161
IC504
16M FLASH
(SEE PAGE 4-21)
1
ı
9
16
ı
25
48
48
29
ı
36
38
38
ı
45
26
28
11
12
ADDRESS BUS
ADDRESS BUS
DATA BUS
DATA BUS
XRST FLASH
MC XWE1
MC XWE0
MC XWE0
SYS V
MC HCLK
MC XRD
XRST SYS
MC XCS2
MC XCS6
IC301FLD
IC301FLD
MC DRAK0
MC DREQ0
IRQAUDIO
IRQIMG
IRQJPG
IRQJPG
MC CLK
USB CLK
05
SY-66 BOARD (2/6)
JK-215 BOARD (1/3)
193
194
192
177
106
171
178
172
189
187
186
146
145
191
147
148
14
210
27
117
33
112
115
29
206
15
1
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
13
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-10)
2
TO
CAMERA BLOCK1
(SEE PAGE 3-4)
12
TO
CAMERA BLOCK1
(SEE PAGE 3-3)
IC501
MC CAM
SH DSP
(SEE PAGE 4-19)
IC507
EEP ROM
(SEE PAGE 4-21)
DQ0 – 15
A0 – 19
CE
OE
WE
RESET
8
4
6
2
10
1
(MS SOCKET)
XCKE
A1 – 20
D0 – 15
MC XCS3
MC XRAS
MC HCLK
MC XWE0
MC XCAS
MC RDXWR
MC XWE1
MC XCS0
MC XRD
XRESETP
SYS V
MC XCS2
IC301FLD
MC XCS6
MC DRAK0
MC XDREQ0
IRQAUDIO
IRQJPG
IRQIMG
UCLK
EXTAL
MS BS
MS DIO
MS SCLK
XMC CS
XMC HELP
HI SI
HI SO
XHI SCK
USB JACK IN
USB TXENL
USB XVDATA
USB D+IN
USB D–IN
USB SUSPND
USB D+OUT
USB D–OUT
USB D+PULLUP
PAL/XNTSC
EEP ROM RESET
EEP ROM CS
XCAM RESET
XIC102 CS
XTG CS
DAC STBY
DAC STBY
XMACRO_SW
AN0/PTL0
ACCESS LED
CN204
14
TO
MODE CONTROL BLOCK
(SEE PAGE 3-10)
MODE CONTROL BLOCK
(SEE PAGE 3-10)
11
TO
CAMERA BLOCK1
(SEE PAGE 3-3)
CAMERA BLOCK1
(SEE PAGE 3-3)
15
TO
LCD BLOCK
(SEE PAGE 3-13)
LCD BLOCK
(SEE PAGE 3-13)
16
TO
LENS MOTOR DRIVE
BLOCK
(SEE PAGE 3-8)
LENS MOTOR DRIVE
BLOCK
(SEE PAGE 3-8)
17
TO
USB/FLASH BLOCK
(SEE PAGE 3-11)
USB/FLASH BLOCK
(SEE PAGE 3-11)
XMS IN
XMC CS
XMC HELP
HI SI
HI SO
XHI SCK
USB JACK IN
USB TXENL
USB XVDATA
USB D+IN
USB D–IN
USB SUSPND
USB D+OUT
USB D–OUT
USB D+PULLUP
XCAM RESET
XIC102 CS
XTG CS
XCAM SCK
CAM SO
HALL AD
PAL/XNTSC
MS BS
MS DIO
MS SCLK
XMS IN
MS BS
ACCESS LED
(SEE PAGE 4-29)
MS DIO
MS SCLK
XMS IN
D214
(ACCESS LED (RED) )
(ACCESS LED (RED) )
LED
DRIVE
Q705
90
AU CLK EN
XBS/PTK4
121
SELF TIMER
SELF TIMER
119
AE LOCK LED
D252
(AE LOCK (GREEN) )
LED
DRIVE
Q252
107
PTE5
D251
(SELF TIMER/REC (RED) )
LED
DRIVE
Q251
166
AU LRCK
AU LRCK
94
XCS LCD DAC
XCS LCD DAC
19
BL ON
BL ON
8
XMC NMI
XMC NMI
4
6
5
9
7
CN703
(1/3)
15
13
14
10
12
CN201
(1/3)
(1/3)
179
173
174
CAM SI
CAM SO
XCAM SCK
CAM SO
XCAM SCK
208
CCD TEMP AD
CCD TEMP AD
6
1
2
3
4 DO
DI
RST
CS
SCK
CAM SO
XCAM SCK
130
XMACRO_SW
2 3 5 6
8 9 11 12
39 40 42 43
45 46 48 49
8 9 11 12
39 40 42 43
45 46 48 49
IC505
16M SDRAM
(SEE PAGE 4-21)
34
18
17
35
14
36
16
15
19
ı
24
27
27
ı
32
CKE
CS
RAS
CLK
DQML
DQMU
CAS
WE
A0 – 11
DQ0 – 15
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