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NAD C427 Service Manual page 8

Digital media tuner
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2.FPP BOARD VM2.0 AND FPP ENCODE BOARD VM2.0
J201
24
3V3S
23
22
8VD
21
20
ENCAa
19
18
ENCBa
17
16
VFMISO
C207
15
14
DGND
KEYMISOa
13
100n
12
IRFa
1
11
DGND
1G
1Y1
2
10
A1
1Y2
VFSTBa
4
9
A2
1Y3
KEYSTBa
6
8
A3
1Y4
8
7
A4
FPCLK
6
19
5
DGND
2G
2Y1
FPMOSI
11
4
B1
2Y2
13
3
B2
2Y3
ENC_Enter
15
2
B3
2Y4
Power ON
17
1
B4
Header 24
DGND
DGND
C214
C218
C219
C220
330P
330P
330P
330P
dgnd
dgnd
dgnd
dgnd
DGND
K201
K202
K203
Blend
Display
Mute/Mode
3V3S
K204
K205
K206
K207
Power
Memory
AM/FM
Preset
DGND
DGND
3V3S
DGND
R2508
10KJ
DGND
CON203
CON204
4
4
ENC_Enter
3
3
3
B
2
2
2
C
1
1
1
V201
A
EC11E15244G1
CON-4
CON-4A
DGND
DGND
DGND
USB
CON208
VUSB
1
1
USB_DM
2
2
USB_DP
3
3
4
4
5
CON-4
6
C400
0.1UF
DGND
C405
0.1UF
R201
IRF
1
100R
D
2
R202
DGND
G
3
10R
3V3S
V
TSOP34838
C201
47U/16
DGND
ICSP
CON201
1
2
3V3F
ENCA
3
DGND
ENCB
PGDATA
4
KEY_MISO
PGCLK
5
U208
3V3S
U209
AHC1G125 DGND
R208
NC
74LCX244
4
3
100R
y
gnd
CON202
R210
18
2
0R
a
R211
16
5
1
0R
3V3F
vcc
/oe
1
R212
14
0R
2
R213
12
C208
0R
3
100n X7R
4
DGND
9
R215
VSTB
120R
R219A
7
KEY_STB
120R
100R
R219B
5
VCLK
120R
R221
R219C
U210
3V3F
3
KEY_SCK
120R
3V3F
R219D
VSI
VCLK
1
8
120R
R222
1a
vcc
2
7
100R
3y
1y
VSTB
3
6
R228
2a
3a
4
5
100R
gnd
2y
DGND
NC7NZ34
VSI
8VD
1SS352
C222
100n
C223
100U/25V
U211
DGND
ASM1117-5
KEY_SCK
KEY_STB
C227
DGND
3V3S
100n
1
SH/LD
15
CLK INH
U212
2
CLK
HC165
10
SER
11
A
12
9
KEY_MISO
B
QH
13
7
C
QH
14
D
3
E
4
F
5
G
6
H
DGND
3V3S
R251
C234
ENCA
10K
10nK
R254
1K2J
C235
R255
10KJ
100N
A
A
C236
3V3S
B
B
R258
10KJ
100N
R259
1K2J
C237
ENCB
10nK
3V3F
C202
C203
22u/6v3
100N
C204
DGND
DGND
100N
R203
22k
3V3F
D201
DGND
MCLR
3V6
U205
C206
100N
28
1
R204
RB7/KBI3/PGD
MCLR/VPP/RE3
10k
DGND
27
2
R205
RB6//KBI2/PGC
RA0/AN0/C12IN0-
220k
60VF
26
3
RB5/KBI1/PGM
RA1/AN1/C12IN1-
25
4
RB4/KBI0
RA2
24
5
RB3/AN9
RA3
DGND
3V3F
23
6
RB2/INT2
RA4
22
7
RB1/INT1
RA5/HLVDIN
21
8
RB0/INT0/FLT0/AN12
VSS
DGND
20
9
VDD
OSC1/CLKIN/RA7
19
10
VSS
OSC2/CLKOUT/RA6
18
11
RC7/RX/DT
RC0
17
12
RC6/TX/CK
RC1
16
13
RC5/SDO
RC2
15
14
RC4/SDI/SDA
RC3/SCK/SCL
C209
DGND
PIC18F26K20
100N
Q201
5VF
3V3F
2SC1815
D202
D2002
1SS352
C224
C225
22u/6V3
22u/6V3
C226
2.2U/10V
8VD
3V3S
R244
R245
1K
1K
VFPEN
Q203
Q202
2SC1815
2SA1015
D717
3LED
Red
Blue
Amber
R252
R253
10K
10K
DGND
Q207
2SC1815
R256
Power ON
R257
10K
10K
DGND
9
C205
DGND
5VF
U206
100n
74ACT244
1
18
R207A
VFD BKG
120R
DGND
1G
1Y1
R207B
2
16
120R
VFD CLKG
A1
1Y2
4
14
R207C
120R
VFD SIG
A2
1Y3
R207D
6
12
VFD BK1
120R
A3
1Y4
R209A
8
120R
VFD BK2
A4
R209B
VFD LAT1
120R
R209C
19
9
VFD LAT2
120R
DGND
2G
2Y1
R209D
11
7
VFD SI1
120R
B1
2Y2
R214A
13
5
VFD SI2
120R
B2
2Y3
15
3
R214B
VFD CLK1
120R
B3
2Y4
R214C
17
VFD CLK2
120R
B4
R214D
120R
VFD BK1
VFD LAT1
DGND
VFD CLK1
VFD SI1
R227
60VF
470R
DGND
5VF
C221
100N
VFD BKG
DGND
VFD CLKG
VFD SIG
VFD SI2
VFD CLK2
VFD LAT2
VFD BK2
M201
8VF
T201
S
APM2301
D
1
2
3
0.5W
R260
4
R261
5
DGND
C228
22U/10V
C229
C230
220U/16V
220U/16V
VFD TR
DGND
DGND
DGND
C231
C232
1N
1N
D205
1N4148
Q204
DTC114EKA
R262
0.5W
9V1
DGND
D206
R263
1N4148
1K2
DGND
D207
R264
C240
C241
C242
100N
1K2
10U/25V
10U/25V
DGND
DGND
U203
1
VF-
F-
2
F-
3
F-
CIG128X32
4
BK1
5
LAT1
6
CLK1
7
SI1
8
NC
9
VH
10
C210
VH
100N
11
GND
12
GND
13
VDD
R235
14
BKG
15
10k
LATG
16
CLKG
17
SIG
18
SOG
19
NC
20
SI2
21
CLK2
22
LAT2
23
BK2
26
F+
27
F+
28
VF+
F+
CIG128X3201
R265
10
D209
0R
VF+
9
DGND
8
0R
VF-
7
5V6
R266
R267
C243
6
10U/10V
60VF
1N4148
D208
R268
C244
100N
C245
47u/80v
DGND

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