Read Sony DSC-T20 Service Manual online
DSC-T20
4-5
SY-170 (2/8)
C 1 1 7
X X
C 1 1 6
X X
C 1 2 0
X X
N O M A R K : R E C / P B M O D E
: V o l t a g e m e a s u r e m e n t o f t h e C S P I C s
a n d t h e T r a n s i s t o r s w i t h m a r k , a r e
n o t p o s s i b l e .
a n d t h e T r a n s i s t o r s w i t h m a r k , a r e
n o t p o s s i b l e .
0 . 5
0 . 5
0
0
2 . 2
3 . 6
A
1
C103
0.1u
C 1 0 5
0 . 0 4 7 u
0 . 0 4 7 u
C 1 0 6
0 . 1 u
0 . 1 u
C 1 0 9
0 . 0 0 4 7 u
C 1 1 1
0 . 1 u
0 . 1 u
C 1 1 4
0 . 0 0 2 2 u
C104
0.01u
C 1 0 7
0 . 1 u
C 1 1 5
0 . 1 u
0 . 1 u
C 1 0 8
2 2 u
1 0 V
1 0 V
C 1 1 0
4 7 u
6 . 3 V
D 1 0 1
M A 2 S D 3 2 0 0 8 S 0
D _ 3 . 0 V
D _ 1 . 8 V
D I R E C T _ P B
X M S _ I N
X C S _ F R
X I C 2 0 3 _ 0 _ S C K
V L _ 3 V
X P W R _ O N
U S B _ V B U S
X P W R _ O F F
I C 2 0 3 _ 0 _ S O
X I C 2 0 3 _ R S T _ R E Q
U N R E G
1 . 2 V _ I N T
D _ 3 . 0 V
T I _ 5 . 0 V
R E G _ G N D
B L _ E N 2
X D D _ S Y S _ R S T
E V E R _ P S B
L D O _ 1 P 8 _ E N
D I S W 1 P 8 _ E N
D I S W 2 P 9 _ E N
B L _ E N 1
V S U _ E N
I C 2 0 3 _ 0 _ S I
C A M D D _ E N
D D C 5 P S W _ E N
D D C 1 P 8 _ E N
S W _ 1 P 8 _ E N
D D C 2 P 9 _ E N
P A N E L _ E N
I C 1 0 3
S - 8 4 2 5 A A D H C - H 9 D - T F
B 1 V O U T
B 2 R E S E T X
B 3 C S
B 4 V B A T
V C H A4
V S S A3
V R O A 2
V I N A1
C L 1 1 5
C L 1 0 2
C L 1 0 4
CL111
CL109
C L 1 1 0
C L 1 0 8
C L 1 1 2
C L 1 0 6
C L 1 0 7
C L 1 1 7
C L 1 1 6
C L 1 0 1
C L 1 1 3
L 1 0 1
0
R 1 1 6
4 7 k
R 1 1 0
1 0 0 k
1 0 0 k
0 . 5 %
R 1 0 4
1 k
R 1 1 8
3 3
R 1 1 4
4 7 k
R 1 0 2
4 7 0 k
4 7 0 k
R 1 0 9
1 0 0 k
1 0 0 k
0 . 5 %
R 1 0 3
1 k
R 1 1 7
4 7 0
R107
1800
0.5%
R 1 1 2
1 0 M
R 1 2 1
2 2 0 k
2 2 0 k
0 . 5 %
R 1 2 0
2 2 0 k
2 2 0 k
0 . 5 %
R 1 0 5
4 7 k
S 1 0 1
L E N S C O V E R
D E T E C T
1
2
3
4
X 1 0 2
3 2 . 7 6 8 k H z
1
2
3
4
E V E R _ 3 . 0 V
D D C 1 P 2 _ E N
D D C P V _ E N
I C 1 0 1
M B 8 9 0 8 3 L G A - G - 1 3 3 - E R E 1
B 8
X P O W E R _ O N 0
A 8
X P O W E R _ O N 1
B 7
X P O W E R _ O N 2
A 7
N . C .
B 6
N . C .
A 6
N . C .
C 6
M S _ I N
B 5
E X T _ I N
B 4
X S Y S _ R S T
C 4
X N A N D _ R S T
A 3
T E S T P I N
B 3
T E S T P I N
A 4
G N D
A 5
B A C K _ U P _ V C C
A 2
N . C .
A 1
X R E S E T _ R E Q
B 2
CAMDD_EN
B 1
PANEL_EN
C 2
DISW1P8_EN
C 1
DISW2P9_EN
D 3
N.C.
D 1
FR_SI
D 2
FR_SO
E 1
FR_SCK
E 2
XCS_EX
H 3
MOD0
J 3
VCI
J 2
CPO
G 4
MOD1
A 9
CS
B 9
XPOWER_OFF
C 8
DDC1P2_RESET
C 9
D D C 1 P 8 _ L V D E T
D 8
X U S B _ J A C K
D 9
D D C 1 P 2 _ E N
E 8
D D C 1 P 8 _ E N
E 9
D D C 2 P 9 _ E N
F 3
N . C .
F 2
N . C .
F 1
N . C .
G 1
N . C .
G 2
N . C .
H 1
N . C .
H 5
V S S
J 5
3 2 K H Z _ O U T
J 4
3 2 K H Z _ I N
H 4
B A C K _ U P _ V C C
J 6
T E S T P I N
H 6
TESTPIN
G 6
TESTPIN
J 7
DDC1P8_AD
H 7
DDC2P9_AD
J 8
VSU_EN
J 9
EVER_PSB
H 8
BAAT_SENS
H 9
AVCC
G 9
AVSS
G 8
AF_LED0
F 8
BL_EN1
F 9
BL_EN2
F 7
DDC5PSW_EN
D 7
XRSTX
J 1
SW1P8_EN
H 2
LDO1P8_EN
Q 1 0 1
U P 0 4 2 1 6 0 0 8 S 0
6
2
1
3
5
4
C 1 1 9
0 . 0 0 2 2 u
C 1 1 8
0 . 1 u
0 . 1 u
S - 8 0 8 2 2 C N P F - B 8 H T F G
I C 1 0 4
1
O U T
2
V s s
N C
3
V d d
4
R 1 2 2
1 k
D 1 0 2
M A 2 S D 3 2 0 0 8 S 0
R 1 1 9
4 7 0 k
4 7 0 k
C 1 1 2
9 p
C 1 1 3
1 5 p
R 1 1 3
6 8 k
0 . 5 %
R106
0
R108
8200
R E S E T
7
H
1 6
9
C
K
D
8
B
3
G
1 5
F
1 2
I
4
E
1 0
5
0 8
6
1 3
J
1 4
1 1
2
X X M A R K : N O M O U N T
C O N T R O L L E R
P O W E R / E N A B L E S I G C O N T R O L L E R
2 . 2 V R E G
B A C K U P P O W E R R E G
M E M O R Y S T I C K
( 1 / 8 )
@005
( 1 / 8 ) ( 5 / 8 )
@001
@008
( 8 / 8 )
@012
@011
( 4 / 8 )
( 5 / 8 )
( 5 / 8 )
( 3 / 8 )
@010
( 8 / 8 )
@009
( 3 / 8 )
( 7 / 8 )
( 7 / 8 )
@014
@013
( 3 / 8 )
( 1 / 8 )
@015
@007
@006
( 1 / 8 )
( 1 / 8 )
( 1 / 8 )
( 3 / 8 )
( 1 / 8 )
( 3 / 8 )
( 1 / 8 )
( 1 / 8 )
( 1 / 8 )
( 1 / 8 )
( 3 / 8 )
D E T E C T
P O W E R / E N A B L E S I G
I C 1 0 1
I C 1 0 4
I C 1 0 3
S Y - 1 7 0 B O A R D ( 2 / 8 )
( )
D _ 3 . 0 V
E V E R _ 3 . 0 V
V L _ 3 V
T I _ 5 . 0 V
D _ 3 . 0 V
D _ 1 . 8 V
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