Canon PowerShot G2 Service Manual page 143

5-2-3. MAIN PCB ASS'Y (2/3)
DATA COMMUNICATION
ANALOG IMAGE SIGNAL
ANALOG AUDIO SIGNAL
ACC. SHOE FPC
ACC. SHOE
TOP MODULE UNIT
CN1
LCD_COM_0
COM_0
OLC ı
COM_3
LCD_COM_3
SEG_0
ı
LCD_SEG_0
SEG_27
LCD_SEG_27
MATCOM_1
Release SW
MATCOM_2
SW6 Upper Dial
LOCK_P_DET
MATSW_1
MATSW_1
MATSW_2
MATSW_3
MATSW_4
MATSW_2
MATSW_5
MATSW_6
SW3
MATSW_7
MATSW_3
Macro
MATSW_8
AFLED_01
SW4
AFLED_21
MATSW_4
Sokkyo
AFLED_22
VCPU
+3.3V
MATSW_5
Lower Zoom+
Dial LOCK_P_DET
Zoom–
MATSW_6
SW5
Manual
MATSW_7
Remocon
Forcus
Strobe
MATSW_8
LED2 AFLED_01
SML31
AFLED_21
AFLED_22
LED1 AAPG1211
AFLED21 : Green
AFLED22 : Red
MACRO : Umber
01 AUGUST, 2001
BUTTON PCB ASS'Y
IC2 SW 5
7
7W53
1
6
CN1
1 EF_XGND
6
7 STRB_SW
2
5 EF_CCC CCC
5
4 EF_ID EFID IC1 EF
LC4090L
3 EF_STOP
3
2 AVEF
AVEF
7
6 EF_X SYNC
Q4 SW
2SC3631
32
2
23
35
34
49
37
8 6 5 4
33
1
DIR
26
28
19
1 G
12 14 15 16
4
6 3
EX21
25
24
CN102
36 2 5
3
6 50 LCD_COM_0
7 23
IC110 BUFFER
5 35
SN74AHC2G126HDCT
LCD_COM_3
8 34 A
9 49
LCD_SEG_0
B
10
37
11 33
12
26
1
13
3
LCD_COM0
14
4 4
ı
22
25
LCD_COM3
18
24
10
LCD_SEG0
28
LCD_SEG_27
20 36
ı
EX16
8
19 6 MATCOM_1 LCD_SEG27
EX17
21
7 MATCOM_2
EX30
5 LOCK_P_DET EX16
EX40
8 MATSW_1 EX17
EX41
9 MATSW_2 EX18
EX42
10 MATSW_3 EX30
3 EX43 8
11 MATSW_4 EX40 - EX47
EX44
12 MATSW_5
EX45
13 MATSW_6 LCD_VLCD3
EX46
14 MATSW_7 LCD_VLCD2
EX47
22 MATSW_8 LCD_VLCD1
a
18 AFLED_01
b
20 AFLED_21
c
19 AFLED_22 Q109
OLC POW
21 VCPU
2PC4617
3
VCPU
Q103 INV
a PDTC144EE
P2-5
b
6
P2-4
1
5
c
P2-3
4
3
2
Q101 INV
XP6213
IC3 OR
7SH32 IC4 OR
2 2
4 4
1 1
Q1 BUFFER
+5V
7SH32
XP4601
6
11
2
NSPCR
4
5
25
EFAD
1
3
+5V
2 3 7
4 4
20
IC104
VDD
3.3/5V BUFFER
18 17 13
TC74VHCT245AFT
1
1
G1
7
G2
5 5
P3_5
VDD2_5.5V VBAT
ADIN_6
IC115 CPU (1/2)
uPD82434S1-023-6C
4 3
Q110 SW
X100
XP03312
FCX-03-24MHz
2
1
IC117
3
C
2 1
RESET
RN5VD27A
VDD
RTC
VCPU
IC116 RTC4574JE
IC5 REMOTE CONTROL
RS-151
2
REMOTE
3
MIC IN
MIC GND
CN3
BAT_OPEN 2 2
GND 1 1
SW10
CF LID
OPEN DET. SW
TH1
THERMISTOR
CN4
V-litium 2 2
GND
1 1
VCPU
Q100
PDTC114TE
MIC DA-5
IC109
10
B
EX3
AUDIO
3
ADIN_4,6,7 2
Serial_1
VIDEO
D_P
D_N
4 3
USB_VBUS VCPU
Q111 SW
XP03312
2
EX9
EX10
1
3 4
E1LAT VCPU
EX20 EX20
Q112 SW
XP03312
USB_PWON 2
EX7
SW100
1
EX29
LCD BASE
POSITION DET.
MAIN PCB ASS'Y (2/3)
1
VCPU
MIC
BATTERY COVER
OPEN DET. SW
BUTTON
BATTERY
CN101 (2/2)
DC_J_DET 3
I_SENSE 2
1
PS
CHG_CS 4
REDCONT 7
TO
DC/DC CONVERTER PCB
ASS'Y
/E0LAT 37
3
SP+ 40
SP– 41
LINEOUT 48
VIDEO 47
D+
34
D– 33
VBUS 32
C CANON INC., 2001