Dimensions = mm (inches)
Electrical Schematic – ATU Control/Monitor PWB (NAPC144A/01) (Sheet 1 of 2)
Issue 2.0
Not to Scale
Figure SD-2
Sheet 1 of 2
MIN
MIN
MAX
+5V
+5V
C62
0.01
+5V
C61
10
16V
C44
18pF
C58
0.01
C59
0.1
ADC5
INT1
INT0
PC.2
PC.1
PD.7
PD.5
PD.6
PB.2
SCK
MISO
PD.1
PD.4
RXD
DE/RE
3
J2
1
J2
22
J2
20
J2
17
J2
16
J2
13
J2
3
J1
1
J1
2
J1
SWITCH
L LIMIT
MAX
MIN
L LIMIT
MIN
SWITCH
SWITCH
R LIMIT
SCK
MISO
+5V
MAX
+5V
+5V
L5
+5V
+5V
+5V
C48
0.1
C52
0.1
+5V
PC.0
PB.1
XTAL2
XTAL1
RESET
PB.0
PC.3
PD.0
MOSI
R119
475
R127
2740
TXD
2
J2
4
J2
11
J2
18
J2
19
J2
14
J2
15
J2
6
J1
4
J1
5
J1
+5V
SWITCH
R LIMIT
MAX
MOSI
TP1
GND
TP2
GND
+5V
+5V
TP3
23 J2
C50
0.1
9 J2
8 J2
7 J2
C70
0.1
S9
S8
INHIBIT L TUNING
INHIBIT R TUNING
DEC L
INC L
S6
INC R
+5V
+5V
+5V
C33
0.1
10.0K
R76
10.0K
R87
10.0K
R91
C25
0.1
12 B
8
GND
14
D
3
E
9
QH
6
H
2
CLK
10
SA
11 A
7
QH
12
B
2
CLK
8
GND
10
SA
5
G
SHEET 2
CURRENT_SAMPLE
DEC_L
CR41
BAT54HT1
C43
18pF
C60
0.1
1
C47
0.1
24
19
ADC6
11
10
27
14
6 VCC
C46
0.01
CPU OK
12
+5V
+5V
+5V
17
16
30
2
8
GND
2
QC
3
QD
16
VCC
5
QF
12
LATCH_CLK
6
QG
10
RESET
2
QC
8 GND
3
QD
16
VCC
5
QF
12
LATCH_CLK
6
QG
10
RESET
15
QA
9
SQH
11
SHIFT_CLK
2
QC
8
GND
4
QE
MC74HC595AD
U2
6
QG
14
A
7
QH
10.0K
R128
+V_FAN
L MAX LIMIT
FAN FAIL 1
DECR R
LOCAL
INHB L TUNING
CR60
MURS120T3
CR59
MURS120T3
+V_FAN
+V_FAN
L MIN LIMIT
DECR L
INCR L
INHB R TUNING
+12V
FAN RETURN
FAN RETURN
SHEET 2
# RESET -
+5V
10 J2
12 J2
100K
R130
C51
0.1
R116
1000
24 J2
21 J2
R114
1000
C71
0.1
6 J2
R149
1000
R150
1000
R151
1000
R121
1000
5 J2
TUNE SETUP
LOCAL / REMOTE
S4
XMTR ON/OFF
S7
DEC R
S1
C56
0.1
+5V
+5V
+5V
10.0K
R139
10.0K
R140
10.0K
R134
10.0K
R135
10.0K
R136
C34
0.1
C35
0.1
+5V
+5V
+5V
C32
0.1
C26
0.1
C27
0.1
+5V
+5V
+5V
10.0K
R78
10.0K
R88
10.0K
R89
11
A
13
C
15
CLK_INH
MC74HC165AD
U11
4 F
16
VCC
5
G
7
QH
1
SHIFT/LOAD
9
QH
1
SHIFT/LOAD
13
C
14
D
15
CLK_INH
3
E
4
F
MC74HC165AD
U3
16
VCC
6
H
FROM
+5V
+5V
ANT_CURRENT_SAMPLE
VOLTAGE_SAMPLE
R113
10.0K
R112
10.0K
INC_L
R110
10.0K
+5V
CR48
BAT54HT1
CR51
BAT54HT1
10.0K
R117
10.0K
R115
CR38
BAT54HT1
CR42
BAT54HT1
CR43
BAT54HT1
R109
10.0K
CR47
BAT54HT1
CR46
BAT54HT1
+5V
CR39
BAT54HT1
CR40
BAT54HT1
+5V
+5V
28
32
25
C49
0.1
23
22 ADC7
C53
0.1
9
18
AVCC
13
ATmega8-16AI
U8
8
4
VCC
7
29
20
AREF
10.0K
R108
DS20
G
26
31
15
1
QB
13 OE
15
QA
9
SQH
7
QH
14
A
MC74HC595AD
U4
11
SHIFT_CLK
4
QE
4
QE
13
OE
MC74HC595AD
U1
9
SQH
15
QA
1
QB
12 LATCH_CLK
1
QB
7
QH
11
SHIFT_CLK
14 A
16
VCC
5
QF
13 OE
10
RESET
3
QD
Q13
MMBT4401LT1
Q14
MMBT4401LT1
+V_FAN
10.0K
R126
R90
475
A
DS2
XMTR OFF
R MAX LIMIT
R
DS5
R
DS12
R95
475
R99
475
R104
475
R106
475
NORMAL L
G
DS7
R94
475
R97
475
R98
475
R
DS19
R118
475
INCR R
A
DS13
R102
475
R103
475
A
DS1
R79
475
R92
475
R
DS10
R96
475
CR55
MURS120T3
CR56
MURS120T3
R MIN LIMIT
FAN FAIL 2
+5V
NORMAL R
TUNE SETUP
C68
0.1
2W
10
R152
2W
10
R141
TO
R157
15.0K
R142
1500
R143
1210
R144
1500
R153
1210
R154
1500
R155
1210
R156
1500
TO
SHEET 2
C69
0.1
C72
0.1
R148
1000
S3
S5
S2
C28
0.1
R111
10.0K
CR45
BAT54HT1
CR44
BAT54HT1
+5V
C42
0.01
GND
A
DS15
R105
475
R123
475
R125
2740
R107
475
R145
1210
TEMP SENSOR
R122
100K
FAN 2 COUNT
FAN 1 COUNT
L LIMIT
L LIMIT
R LIMIT
10.0K
R80
C30
0.01
R85
1000
5
GND
C45
0.01
Y1
3.6864MHz
+5V
R124
3920
C75
1.0
35V
A
DS8
DEC_R_SERVO
DEC_L_SERVO
FAN CONTROL 1
S1950119 SHEET 1 OF 2 V1
10.0K
R138
R LIMIT
C55
0.1
10.0K
R120
10.0K
R137
R69
1000
R86
1000
R83
1000
R68
1000
R84
1000
10.0K
R77
21
GND
3
GND
4
VIN
1
GND1
2
GND2
6
VOUT
U10
LT1790BIS6-4.096
R129
3920
MMBT4403LT1
Q15
C67
1.0
35V
C31
0.01
R
DS9
R
DS16
C24
0.01
R
DS21
A
DS6
INC_R_SERVO
G
DS14
C76
1.0
35V
C29
0.01
R
DS3
INC_L_SERVO
FAN CONTROL 2
R66
1000
R67
1000
3
VCC
1
GND
2
RESET
ADM803MAKS
U7
MMBT4403LT1
Q16
R
DS17