CAS ERII-15, Руководство по обслуживанию

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ER ER ER ER- - - -II II II II
Service Manual Service Manual Service Manual Service Manual
19 19 19 19 7/4/2007 7/4/2007 7/4/2007 7/4/2007
Circuit Diagram
3.1.1. Main
+5V
P2.1
D10 KDS160
0
Key Connector PART
+5V
TXD
A_GND
RL3 RL103
2
3
4 5
6
7
8
1
C8
0.1uF
A_Vcc
L9
L102S
LCD_CS
Key _Out_2
C4
0.1uF
D11 KDS160
CN1
1
2
3
Power_chk
CON_TX
PSEN
TP2
R16 10
AIN-
R2
4.7k
JP1
1
2
Key _Out_2
P0.2
U6
74HC245/SO
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
A0
A1
A2
A3
A4
A5
A6
A7
OE
DIR
B0
B1
B2
B3
B4
B5
B6
B7
Key _IN_4
P2.2
P2.0
CN4
CN4
1
2
3
4
5
R1
10k
RXD
BUZZER
P0.1
CON_RX
C22
0.001uF / 3kv
CAL_SW
Key _IN_3
CAL PART
C23
0.001uF / 3kv
L1 L102S
LCD_DATA
U7
74HC245/SO
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
A0
A1
A2
A3
A4
A5
A6
A7
OE
DIR
B0
B1
B2
B3
B4
B5
B6
B7
Key _Out_3
I2C_SDA
C20
0.001uF / 3kv
Rx
Power_con
TP1
PROGRAM PART
U1A
max3232idbre4
6
8
5
13
2
4
9
1
5
12
7
3
14
1
10
11
1
6
V
-
RIN2
C2-
RIN1
V
+
C2+
ROUT2
G
N
D
ROUT1
DOUT2
C1-
DOUT1
C1+
DIN2
DIN1
V
_
C
C
BUZZER
I2C_CLK
CON_RX
RL2 RL103
2
3
4 5
6
7
8
1
BUZZER
+5V
P3.2
ONE_MODULE1
OneModule
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
A_Vcc
A_GND
Bat_chk
P1.6
P1,7
Rx
Tx
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P2.0
P2.1
P2.2
P2.3
P1.1
AIN+
AIN-
A_GND
P1.0
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
PSEN
I2C_SDA
I2C_CLK
D_Vcc
D_GND
RTC_Power
A
ER2 MAIN CIRCUIT
B
2 4 Friday , June 29, 2007
Title
Size Document Number Rev
Date: Sheet of
P1.7
Key _IN_1
RS232 DRIVER PART
L7 L102S
RL1 RL103
2
3
4 5
6
7
8
1
+5V
CON_TX
Q1
KTA1504
Key _IN_2
L4 L102S
C5
0.1uF
PSEN
BUZZER PART
Key _Out_1
RTC_Power
Key _Out_5
Key _Out_4
6100 - PER - 0002
C21
0.001uF / 3kv
D_Vcc
POWER_KEY
LOADCELL PART
P3.3
Tx
L8 L102S
LL1 LL102
2
3
4 5
6
7
8
1
A_GND
C7
0.1uF
Rx
TP3
+5V
L5 L102S
+5V
P2.3
P1.6
Tx
L3 L102S
D_GND
P0.3
CN7
1
2
3
4
5
6
7
8
9
10
11
AIN+
Key _IN_4
P0.4
C9
0.1uF
BL_con
AIN+
C3
0.1uF
Bat_chk
D12 KDS160
Key _Out_5
Key _IN_3
C6
0.1uF
+5V
P3.4
D13 KDS160
+5V
P1.1
Key _IN_2
S1
CAL S/W
Key _IN_1
D9 KDS160
MODULE CONNECTOR PART
P1.0
L2 L102S
LCD_WR
TP4
P0.0
Key _Out_4
CAL_SW
+5V
AIN-
Key _Out_3
P3.5
Key _Out_1