NAD C 516BEE, Service Manual, Page: 31 / 44

RESET
MCU
KEY1
STBY-LED
KEY0
DGND
DGND
MCU+3.3V
VFD-DI
VFD-CLK
VFD-CE
VFD-RST
REMO
FL-
VP
FL+
+5V
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EX_INTERRUPT
TMPM33OFWFG(128K)
n.c
MCU & EEPROM
1 PD6/AN10
2 PD7/AN11
3 AVSS
4 VREFH
5 AVCC
6 PG3/INT4
7 PK2/TB9OUT
8 PJ5/TB7OUT
9 PH4/TB2IN0
10 PH5/TB2IN1
11 PG7/TB8OUT
12 TEST2
13 DVSS
14 DVCC
15 PG4/SO2/SDA2
16 PG5/SI2/SCL2
17 PG6/SCK2
18 TEST1
19 PF7/INT5
20 PE0/TXD0
21 PE1/RXD0
22 PE2/SCLK0
23 PE4/TXD1
24 PE5/RXD1
25 PE6/SCLK1
26
PG
0/
SO
0/
SD
A0
27
PG
1/
SI
0/
SC
L0
28
PG
2/
SC
K0
29
PB
3
30
PH0/
TB
0I
N0/
/B
O
O
T
31
PH1/
TB
0I
N0
32
PH2/
TB
1I
N0
33
PF
0/
TX
D
2
34
PF
1/
RX
D
2
35
PF
2/
SC
LK
2
36
PH3/
TB
1I
N1
37
PB
4
38
PI
0/
TB
0O
U
T
39
PJ
6/
IN
T6
40
PI
1/
TB
1O
U
T
41
PB
5
42
PI
2/
TB
2O
U
T
43
PB
6
44
PF
4/
SO
1/
SD
A1
45
PF
5/
SI
1/
SC
L1
46
PF
6/
SC
K1
47
PB
7
48
PI
3/
TB
3O
U
T
49
PJ
1/
IN
T1
50
PK0/
CEC
51
PK1/SCOUT
52
PI4/TB4OUT
53
PI5/TB5OUT
54
PB0/TDO/SWV
55
PA0/TMS/SWDIO
56
PA1/TCK/SWCLK
57
TEST3
58
PJ7/INT7
59
PB1/TDI
60
PB2/TRST
61
PF3/RXIN1
62
DVCC
63
DVSS
64
PA2/TRACECLK
65
PA3/TRACEDATA0
66
PA4/TRACEDATA1
67
PA5/TRACEDATA2
68
PA6/TRACEDATA3
69
PA7
70
PJ0/INT0
71
CVCC
72
X2
73
CVSS
74
X1
75
REGVSS
76
RE
G
VCC
77
XT
1
78
XT
2
79
PI
6/
TB
4I
N0
80
/N
M
I
81
MO
D
E
82
/R
ES
ET
83
PI
7/
TB
4I
N1
84
PH6/
TB
3I
N0
85
PH7/
TB
3I
N1
86
PJ
2/
IN
T2
87
PJ
3/
IN
T3
88
PJ
4/
TB
6O
U
T
89
PE
3/
RX
IN
0
90
TE
ST4
91
PC
0/
AN
0
92
PC
1/
AN
1
93
PC
2/
AN
2
94
PC
3/
AN
3
95
PD
0/
AN
4
96
PD
1/
AN
5
97
PD
2/
AN
6
98
PD
3/
AN
7
99
PD
4/
AN
8
100
PD
5/
AN
9
IC01
TMP330FWFGA
1
4 5
2
VDD
VSS DS
OUT
NC
3
IC02
CVIS80124CLMCJIJT2
C405
1uF
C406
0.1uF
R413
1K
C403
100P
C402
100P
C401
100P
R400
47
R402
47
R401
47
D401
RB160L60
D402
1SS355T
R407
100K
R405
47
C418
0.1uF
C417
0.1uF
R420
10K
R419
10K
R417
10K
R416
10K
R418
10K
C415
12P
C416
15P
R414
1M
X001 10M
Hz
R415
33
C410
0.
1u
F
R409
10K
R411
10K
R410
10K
R412
10K
C407
0.
1u
F
C408
0.
1u
F
C409
0.
1u
F
C411
0.
1u
F
C412
0.
1u
F
C413
0.
1u
F
R406
47
R403
10K
R404
10K
C404
100P
R408
10K
1 2 3 4 5 6 7 8
CN02
CJP08GA19ZY
1
2
IC03-A
CVISN74ACT04DR_
3
4
IC03-B
CVISN74ACT04DR_
5 6
IC03-C
CVISN74ACT04DR_
9
8
IC03-D
CVISN74ACT04DR_
11 10
IC03-E
CVISN74ACT04DR_
13 12
IC03-F
CVISN74ACT04DR_
C419
10/50V
C420
1uF
C421
47/
25V
1
2
3
4 5678
A0
A1
A2
GND SDA
SCL
WP
VCC
IC07
HVIAT24C08N10SC
R423
33
R424
33
R421
10K
R422
10K
C422
0.1uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
16
CN
03
CJ
P17G
A115Z
Y
R425
33K
C423
0.1uF
CD_BUS3
[2]
CD_BUCK [2]
CD_CCE
[2]
CD_BUS2
[2]
CD_CLOSE_M
[2]
CD_OPEN_M
[2]
CD_CLOSE_SW
[2]
CD_OPEN_SW
[2]
CD_LIMIT_SW
[2]
MT_STBY
[2]
FR
O
N
T
KEY
0
KEY
1
DSP_RST
[2]
MCU+3.3V
DAC_SCL
[3]
DAC_RESET
[3]
VFD-RST
VFD-DI
VFD-CE
VFD-CLK
STBY-LED
VFD-DI
VFD-CLK
VFD-CE
VFD-RST
KEY1
STBY-LED
KEY0
MCU+3.3V
LD_CHK
[2]
TRANS_ON/OFF
[4]
MCU+3.3V
F_MUTE
[3]
DAC_SDA
[3]
MCU+3.3V
MCU+3.3V
MCU+3.3V
+5V
FL- VP FL+
RE
M
O
TE
_I
N
REMOTE_IN
MCU+3.3V
MCU+3.3V
MCU+3.3V
RES
ET
RES
ET
RESET
+5V
RESET
[1,3]
/BOOT
[3]
UPDATE_TX
[3]
UPDATE_RX
[3]
/RESET_DOWNLOAD
[3
]
POWER_DN
[4]
MCU+3.3V
MCU+3.3V
EX_INTERRUPT
EX_INTERRUPT
MCU+3.3V
+3.3V