7. SCHEMATIC DIAGRAM
1) Main schematic
BUZZER*
LED_P
ZERO
CAL_SW
U6
LM2575-5
1
2
3
4
5
VIN
OUT
GN
D
FB
*ON/OFF
C41
1000pF
DISPLAY_ON*
POWER
VCC
LCD_CS
AI+
R12
4.7K
R22
100
C52
10uF/16V
VCC
VCC
R16
1K
CN7
CON4
1
2
3
4
LCD_SCK*
AI-
TXD
HOLD
U7
PIC16F676
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
O1(RA5)
O2(RA4)
MCLR*(RA3)
RC5
RC4
RC3
RC2
RC1
RC0
RA2
RA1
RA0
GND
L8
47uH
C29
0.1uF
VCC
LED_R
LCD_CD
VCC
R24
47K,1%
C28
0.1uF
C37
0.1uF
VCC
D1
KDS184
SW3
TARE
REMOCON_INPUT
VCC
C54
0.1uF
TARE
SET
ON*/OFF
VCC
AR1
M9,223
1
2
3
4
5
6
7
8
9
R25 2
CN4
CON8
1
2
3
4
5
6
7
8
VCC
LED_G
HOLD
AI-
C59
0.1uF
L3
LINE FILTER
1
2
3
4
U9A
ADUC845BS62-5
48
3
39
13
29
28
19
14
1
38
9
25
47
30
7
41
6
23
36
16
24
40
34
11
26
18
33
32
27
35
4
52
51
37
50
2
49
10
46
45
20
44
43
5
8
17
15
22
42
12
21
31
DAC
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
ALE
DV
DD
P1.2/AIN3/
P2.7/PWMCLK
AINCOM/DAC
P2.1/MOSI
P2.0/SCLOCK(SPI)
P3.3/INT1*
P1.0/AIN1
P2.6/PWM1
P1.4/AIN5
P3.7/RD*
DG
ND
P2.2/MISO
REFIN?
PSEN*
AGND
P3.5/T1
P2.4/T2EX
P3.0/RxD
P3.6/WR*
EA
DV
DD
P1.6/AIN7/IEXC1
SCLK(I2C)
P3.2/INT0
XTAL2
XTAL1
SDATA
GN
D
P1.3/AIN4/REFIN2?
P2.5/PWM0
P1.1/AIN2
P1.5/AIN6
DV
DD
AVDD
REFIN+
P3.1/TxD
RESET
P3.4/T0
P1.7/AIN8/IEXC2
DG
P2.3/SS*/T2
C43
1000pF
SW4
HOLD
ZERO
LCD_RST*
C35
1000pF
LCD_CD
VCC
VCC
CN3
CON8
1
2
3
4
5
6
7
8
BZ1
BUZZER
1
2
C23
220uF/25V
C48
0.1uF
ON*/OFF
<A/D PART>
PWR_ON*
VCC
Y1
32.768KHz
CAL_SW
SW_ON*
C33
0.1uF
R31
1M
R19
100
R29
10K,1%
CN5
CON5
1
2
3
4
5
R68
1K
L7
47uH
VCC
VCC
SUM
REFIN+
-
+
U8B
OPA2277
4
7
5
6
8
J1
CON2
1
2
L5
10uH
LED_G
<MPU PART>
Q3
2SA1015
R27
4.7K
C51
0.01uF
L4
100uH
C47
0.1uF
C56
30pF
R18
28K,1%
C38
1000pF
C25
0.1uF
R30
100K
TARE
B_LIGHT*
R15
1K
D2
1N5819
B_LIGHT*
REMOCON_INPUT
L9
47uH
R21
470K,1%
C27
0.1uF
SW5
SW DIP-2
R26 2
C55
30pF
SW2
ZERO
C53
0.1uF
C34
100uF/25V
LCD_SI
R20
1K,1%
C39
1000pF
BUZZER*
GND_BAT
U10
TC1274
1
2
3
RST
VC
C
GN
D
VCC
C46
0.1uF
R23
28K,1%
C26
220uF/25V
SET
R14
4.7K
C44
0.1uF
<POWER PART>
V_BAT
SW_ON*
R28 10K,1%
POWER
C42
1000pF
C30
0.1uF
Q2
2N2222
C40
1000pF
SUM
AI+
LCD_SI
C50
0.1uF
C58
0.1uF
C22
0.1uF
LCD_SCK*
SW1
SW_ON*
+
C49
10uF/16V
LCD_CS
DISPLAY_ON*
VCC
-
+
U8A
OPA2277
4
1
3
2
8
C31
0.1uF
RXD
L6
10uH
C36
0.1uF
CN6
CON8
1
2
3
4
5
6
7
8
VCC
C32
0.1uF
LCD_RST*
LED_R
R13
20K
LED_P
VCC
C57
0.1uF
C24
0.1uF
SCHEMATIC DIAGRAM
22
Содержание NC-1
Страница 1: ...2 ...
Страница 19: ...20 9 Click Reset button Then you can see message like this dialog box 10 Click Download button ...
Страница 20: ...21 11 Select hex file 12 Download is done 13 If download is done you must turn off SW5 FIG 2 ...
Страница 24: ...4 Cal schematic SCHEMATIC DIAGRAM 25 ...
Страница 25: ...26 8 PCB BOARD DIAGRAM 1 Main PCB board LED ...
Страница 26: ...27 2 Display PCB board ...
Страница 27: ...28 3 Charger PCB board ...
Страница 28: ...29 9 DEVICE OF SPECIFICATION 1 MPU ADUC845 ...
Страница 29: ...30 ...
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Страница 32: ...33 2 OPAMP OP2177 OP2277 ...
Страница 33: ...34 ...
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Страница 35: ...36 3 REGULATOR LM2575 ...
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Страница 42: ...43 4 RESET TC1274 ...
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Страница 46: ...47 4 RESET TC1274 ...
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Страница 82: ...83 12 EXPLODE VIEW ...
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