Digital Camera Service Manual

S-8
S3.6. Power Block Diagram
IC1001
(7CH SW REGULATOR IC)
INV1
LX1
15
32
SCP
26
LX1
17
13
STB1
12
11
29
RT
31
21
V
CC
PVCC
D2.9V
308
IC6001
(VENUS3)
194
44
36
IC9101
(SYSTEM)
20
23
POWERSWON(L)
POWERSWON(H)
POWERSW
NACADP
POWERON
POWER SW ON
POWER ON H
34
1
8
IC6002
(FLASH ROM/128Mbit)
DSE
RE
33
RESETOUT
147
RSTB
129
RL6023CPUREB
19
SW UNREG
SW UNREG
16
CH1
(N/Pch)
14
22
HX1
VBAT
PGND12
HX2
20
25
LX2
18
19
CH2
(N/Pch)
INV2
27
LX3
6
8
CH3
(N/Pch)
INV3
LX4
7
5
CH4
(N/Pch)
4
HX4
PGND34
NON5
PVCC5
2
OUT5
1
CH5
(Pch)
INV6
PGND567
43
36
LX6
44
CH6
(Nch)
INV7
38
OUT7
42
CH7
(Nch)
INV7I
34
SCP
10
ON/OFF
LOGIC
OSC
DMC-TZ1 POWER BLOCK DIAGRAM
UNREG
CL9012
5
18
46
VDD
24
32
RESETIN D2.9V
UNREG
STB2
STB3
STB4
5V
AF3.4V
CL1010
D1.2V
CCD12V
1 2 3
45
D
S
G
1 2 3
45
D
S
G
Q1070
(MOS-FET: Nch)
To FP9901-17
(CCD MINUS)
VREF
CL1012
CL1013
CL1016
CL1018
CL1021
Q1050
(MOS-FET: Pch)
PGND12
PGND34
HX3
9
INV4
28
PVCC
PVCC
PVCC
PVCC
HS6L
45
HS6H
46
ROOD
SW
HS7L
HS7H
40
ROOD
SW
PVCC
PVCC
VREF
48
47
STB5
STB6
39
STB7
23
UDSEL1
24
UDSEL2
3
UDSEL4
33
GND
REG A
30
VREGA
QR1002
Q1005
(MOS-FET: Nch)
CL1008
To CCD
(CCD POWER)
CL1020
To FP9902-3
(BL MINUS)
D
S
G
SOFT
START
UVLO
STB
STEP UP/
DOWN SEL.
UDSEL1
STEP UP/
DOWN SEL.
UDSEL2
STEP UP/
DOWN SEL.
UDSEL4
BATTERY
TERMINAL
JK2002
UNREG+
1
Q1002
CL1002
CL1004
CL1003
D
S
G
F1002
D
S
G
1
3
4
Q1003
(MOS-FET: Pch)
2
5
6
FP9001
39
FP9901
14
FP9001
29
FP9901
24
PS9901
11~15
FP9001
38
ON
OFF
POWER SW
POWER / TOP P.C.B.
FP9901
15
CL9902
PP2001
11~15
FP9901
26
FP9001
27
QR1006
QR1001
A3.1V
CL1009
CL1005
LCD 8.5V
To IC6001-136
(LCD8.5 OFF L)
D
S
G
Q1072
To IC6001-141
(BL CHANGE1)
CL1017
35
41
37
CL1006
Q1001
(MOS-FET: Nch)
S9902
RL9106
127
FROM CS
9
CE
RL6015
F2001
F1001
CL9007
285
CL6003
CL9101
CL9006
CL9011
2
MRES
204
FROM CS4
IC6002
(AND GATE)
6
1
4
VIN VOUT
VCNT
IC1002
(REGULATOR)
3
NP
2
GND
5
GND
6
1
4
VIN VOUT
VCNT
IC1005
(REGULATOR)
3
NP
2
GND
5
GND
MAIN A3.1V
CL1007
CL1015
6
1
4
VIN VOUT
Vcont
IC1004
(REGULATOR)
3
NP
2
GND
5
GND
CL1014
6
1
4
VIN CE
LX
IC1003
(REGULATOR)
3
VOUT
2
VSS
5
VSS
D1.8V
Q1006
(MOS-FET: Nch)
D
S
G
CL9005
(A3.1V)
CL9002
(D2.9V
)
IC6001-147
(RSTB)
2.0V 4msec./DIV
6
1
4
VIN
ON/
OFF
VOUT
IC9001
(REGULATOR)
3
NC
2
V
SS
5
VSS
137
4.7V
CL9028
LCD POFF L
FP9901
2
FP9001
51
CL9001
5
1
4
VIN VOUT
Vcont
IC3005
(REGULATOR)
3
NP
2
GND
To IC3002/
3004
CL3001
PS9001
6
PP6501
6
FP9901
8-10
FP9001
43-45
FP9001
18
FP9901
35
FP9001
19
FP9901
34
6
5
4 3
1
2
QR1005
To FP9002-4
(BL PLUS)
CL9024
To IC6001-138
(LCD BLT)
X6001-1/3
(24MHz Crystal
oscillation)