NAD C516BEE Service Manual page 31

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MCU & EEPROM
[1,3]
RESET
[4]
TRANS_ON/OFF
[2]
LD_CHK
[2]
CD_CLOSE_M
[2]
CD_OPEN_M
[2]
CD_CLOSE_SW
[2]
CD_OPEN_SW
[2]
CD_LIMIT_SW
[2]
MT_STBY
[3]
F_MUTE
[3]
UPDATE_TX
[3]
UPDATE_RX
C402
100P
[3]
DAC_RESET
[3]
DAC_SDA
[3]
DAC_SCL
/BOOT
[3]
R400
47
/RESET_DOWNLOAD
C401
100P
MCU+3.3V
R409
R410
10K
10K
R411
R412
10K
10K
MCU+3.3V
n.c
1
PD6/AN10
n.c
2
PD7/AN11
R408
3
10K
AVSS
4
VREFH
5
AVCC
C404
6
100P
PG3/INT4
n.c
7
PK2/TB9OUT
8
PJ5/TB7OUT
9
PH4/TB2IN0
IC01
10
TMP330FWFGA
PH5/TB2IN1
MCU
11
PG7/TB8OUT
n.c
12
TEST2
TMPM33OFWFG(128K)
13
DVSS
14
DVCC
15
PG4/SO2/SDA2
16
PG5/SI2/SCL2
17
PG6/SCK2
n.c
18
TEST1
n.c
19
PF7/INT5
47
20
R402
PE0/TXD0
47
R401
21
PE1/RXD0
n.c
22
PE2/SCLK0
C403
n.c
23
100P
PE4/TXD1
n.c
24
PE5/RXD1
25
PE6/SCLK1
MCU+3.3V
R403
R404
10K
10K
MCU+3.3V
47
R406
47
R405
R407
D402
100K
1SS355T
MCU+3.3V
IC02
CVIS80124CLMCJIJT2
R413
4
OUT
VDD
5
C405
1K
1uF
3
2
NC
VSS
C406
0.1uF
1
RESET
MCU+3.3V
MCU+3.3V
75
REGVSS
C415
74
X1
12P
73
CVSS
72
X2
C416
71
CVCC
R415
15P
70
EX_INTERRUPT
33
PJ0/INT0
69
VFD-CLK
PA7
68
VFD-CE
PA6/TRACEDATA3
67
VFD-DI
PA5/TRACEDATA2
66
VFD-RST
PA4/TRACEDATA1
65
STBY-LED
PA3/TRACEDATA0
64
n.c
RESET
PA2/TRACECLK
63
DVSS
C423
MCU+3.3V
0.1uF
62
DVCC
61
n.c
PF3/RXIN1
R416
10K
60
PB2/TRST
59
R417
10K
PB1/TDI
58
D401
[2]
DSP_RST
PJ7/INT7
RB160L60
57
n.c
TEST3
56
R418
10K
PA1/TCK/SWCLK
R419
55
10K
PA0/TMS/SWDIO
54
R420
10K
PB0/TDO/SWV
53
[2]
CD_CCE
PI5/TB5OUT
[2]
52
CD_BUCK
PI4/TB4OUT
51
CD_BUS3
[2]
PK1/SCOUT
MCU+3.3V
1
2
3
4
5
6
7
8
CN02
CJP08GA19ZY
[2]
CD_BUS2
[4]
POWER_DN
MCU+3.3V
IC07
MCU+3.3V
HVIAT24C08N10SC
VCC
A0
C422
0.1uF
WP
A1
R421
R422
10K
10K
R423
SCL
A2
33
R424
SDA
GND
33
MCU+3.3V
C417
0.1uF
STBY-LED
STBY-LED
KEY1
KEY1
KEY0
KEY0
DGND
DGND
MCU+3.3V
IC03-A
VFD-DI
IC03-B
VFD-DI
1
2
VFD-CLK
3
4
IC03-C
VFD-CLK
CVISN74ACT04DR_
VFD-CE
IC03-D
VFD-CE
5
6
CVISN74ACT04DR_
VFD-RST
VFD-RST
9
8
CVISN74ACT04DR_
REMO
REMOTE_IN
FL+
VP
FL-
CVISN74ACT04DR_
FL-
VP
FL+
+5V
+5V
EX_INTERRUPT
EX_INTERRUPT
+3.3V
C418
0.1uF
+5V
IC03-E
11
10
CVISN74ACT04DR_
C419
C420
10/50V
1uF
IC03-F
13
12
CVISN74ACT04DR_

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