Canon PowerShot S230 Service Manual page 124

2.4 MAIN PCB ASS'Y (3/3)
DATA COMMUNICATION
BATTERY BOX UNIT
Buzzer
BAT401
LED402
Button BATTERY
LED401
SW402
SW403
TELE
WIDE
SW404
REC
BATTERY BOX
FU401
SW401
RLS FPC
To
OPERATION KEY UNIT
FLASH/DC UNIT
(OPR FPC)
01 OCTOBER, 2002
MAIN PCB ASS'Y (3/3)
CN401 CN1003
EX2
BUZZER 16 16 BUZZER
15 15
BVATTEP VBATTEP
VCC1
VCC1
2 2 VCC1
GREEN
3
LED_GREEN 3 LED_GREEN
ORANGE
LED_ORANGE 4 4 LED_ORANGE
YELLOW
5 5 LED_MACRO
LED_MACRO
CFOPEN EX26
CFOP 17 17 CFOP
Release SW1 EX25
SW1 13 13 SW1
Release SW2 EX24
SW2 14 14 SW2
EX22
TELE 18 TELE
18
EX23
WIDE 19
19 WIDE
EX48
PLAY
MODE0 11 11 MODE0
EX49
MODE1 10 10 MODE1
SCAN 12 12 SCAN
POWER
POWER 6 6 POWER
BATTERY
CN1002
SW501 Open Detect EX27
2 BTOP
SW502 UP Button EX18
3
UP
SW503 LEFT Button EX20
4 LEFT
EX19
SW504 DOWN Button
7 DOWN
SW505 RIGHT Button EX21
8 RIGHT
SW506 EXP/WB/ERASE EX52
9
EXP/WB/ERASE
SW507 DISP Button EX51
10
DISP
SW508 MENU Button EX17
11 MENU
EX16
SW509 SET Button
12 SET
1 SCAN
5 LED_POWERAN
6 LED_POWER
LED501
POWER
EXPORT
K4S283233F-MN1L
VBATTMP
AIN6
EX45
4
Q1020 1/2
3
LED Drive
2
LED_ORANGE
XP6213
LED_MACRO
Q1004
ED Drive
EX44 PDTC144EE
VCC1SO
VDD1-4
VDDQ1-10
POWER
VCC1
VCC1_CF
EX53
Q1005 4 1,2
Level Shift 5,6
Q1015
3
XP03311
CF POWER SW
3
2
uPA1912TE
1 4
Q1017,Q1016
PDTC144EE
EX43
Q1018
2PC4617
Q1016-Q1018 : CF POWER CONT
EX28-31
EX61
Q1020 (2/2)
VCC1
LED DRIVE
XP6213
6
5
1
IC1011 (3/3)
Digital Signal Processing IC
T8F80XB-0001
IC1012
16M SDRAM
PCADR_0 CF_A_0-2
ı
PCADR_2
3
A0
SDADR_0
ı
ı
A11
12
SDADR_11
CF_A_3-10
P1_0
ı
BA0
SDBS_O P1_7
8
BA1
SDBS_1
2
DQ0 SDDT_0
ı ı
DQ31 32
SDDT_31
DQM0 SDDQM_0
ı
ı
4
DQM3 SDDQM_3
CF_D_0-15
PCDT_0
K8
ı
/WE SDWE
16
K7 PCDT_15
SDCAS
/CAS
J9
/RAS SDRAS
J8
/CS
SDCS_0
INT P 2
J1
CLK SDCLK
J2
SDCKE
CKE
NPC RD
NPC WR
PCCE1
PCCE2
PCRDY
PCIRQ
PCIOIS
VXIN
X1002 P0-5
27MHz
P0-1
VXOUT
P0-0
P0-4
EX28
EX29
EX30
EX31
CF UNIT
CN1005 CN601
A00 39 39
3
25 25
A02 23 23
21 21
A03
CN602
19 19
17 17
A00 20
8
15 15 ı
11 14
11 11
12
9 9
ı
7 7
10
A10
3 3
A10
8
D00
41 41
21
D00
43 43
ı
45 45
23
28 28
2
30 30
ı
32 32 6
34 34 CF Card
47
16
36 36 ı
16
49
44 44
46 46 27
ı
48 48
D15 31
29 29
/IORD 34
31 31
/IOWR 35
33 33
35 35
7
/CE1
D15 37 37
/CE2 32
/IORD 6 6
/WAIT 42
/IOWR 8 8
IREQ 37
/CE1 1 1
/IOIS16 24
2 2
/CE2
/WE 36
/WAIT 22 22
15
RESET 41
IREQ 12 12
/REG 44
/IOIS16 47 47
/OE 9
/WE 10 10
/VS1 33
RESET 20 20
/VS2 40
/REG 38 38
/CD1 26
/OE 5 5
/CD2 25
/VS1 4 4
13
VCC
/VS2 18 18
38
/CD1 27 27
/CD2 49 49
13 13
VCC1
14 14
C CANON INC., 2002