103
J
K
L
M
N
O
P
Q
R
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R410
1
1
3
4
5
45
8
1
4
5
8
R411
R412
R41
9
R438
R43
9
R440
C62
C6
9
C74
C224
C76
C7
9
C230
C8
9
C
9
0
R474
C
9
7
C2
C26
R405
R111
R112
R113
R114
R128
R135
R138
R522
R523
R526
R527
R141
R142
R143
R146
R147
R148
R533
R340
C111
R342
R343
R344
R345
R346
R347
R348
R34
9
R350
R351
R352
R353
C123
R354
R355
C125
R356
R357
L44
L45
R21
L46
R22
L47
R23
2
1
35
36
2
1
35
36
R24
L4
9
1
AO5
AO3
AO2
AO1
RSSI
GND
GND
NC
SB
SB
NC
NC
BER_CLK
EMON
EPTT
SC
BER_DAT
TXG
IO1
IO2
IO3
IO4
IO5
IO6
NC
AO4
SPO
SPO
SPI
RD
SPG
SPG
NC
NC
NC
NC
NC (RSSI)
NC
NC
AI1
AI2
AI3
DG
TD
TA
RD
RA
RXG
SPM
NC
1
9
1
2
9
30
2
20
2
R25
R26
C137
R27
C138
R28
R2
9
R30
R31
R32
R33
R34
R35
R36
R37
R38
R4
F3
R3
9
R40
R41
R42
R43
R44
R45
R1
9
3
R47
R48
C15
9
R4
9
R51
R52
R3
9
3
R53
R54
C165
R55
R56
R57
R58
R5
9
R60
R61
R62
R67
R68
R6
9
R71
R75
R
9
4
R
9
6
R
9
8
R205
R206
1
8
9
16
C401
C67
C71
C77
C78
C86
C236
+
+
C87
IC4
IC6
IC2
9
1
5
1
3
4
5
CN1
L12
BC8
BC4
BC2
BC1
TXO
RXEI
SC
MMUTE
TXANTS_O
SIDETONE
TCTL
+
+
+
+
+
+
+
+
+
+
+
+
SCR_PTT
L16
C104
L1
9
C105
C106
C130
CN2
IC10
IC11
D1
D2
C4
99
L8
L
9
L10
L11
L13
L14
L34
L35
C3
9
4
IC25
1
3 4
5
CN5
9
C131
C133
Q6
Q7
D20
L15
CN74
CN75
C157
C162
CN58
IC23
IC41
1
3
4
5
1
3
4
5
Q26
C23
9
L17
L18
L36
L37
L38
L3
9
L40
L43
C13
9
C140
IC15
I
O
G
IC16
1
3
4
5
L3
L4
1
4 SB
SB
NC
E
L32
L33
IC7
CN4
+
R88
AOUTL
UTR
AINL AINR
POW
PTOA
GND
DATA IN
ANI KEY
R70
GND
CLEAR/
CODE
RXEO
SCRAMBLE
ANI
TXI
POW
R107
R108
C107
C10
9
R534
R535
R188
R73
R74
R76
R81
R82
R413
C408
C215
C225
R477
C445
R101
R12
9
L48
R17
9
C
99
R315
C108
C152
R7
9
GND
NC
MICAD_SW
RXAD_SW
BEEP_SW
TAAD_SW
GND
PTT_AM16C
INSP_SW
SCM_EN
HOOK_RXD_SCM
INRA_SW
BEEP
GND
PWR_ST_R
OCXO_ST_G
RX_PWR_SAVE
GND
PTT_TXD_SCM
LO_VOL_DET
TD_SW
MIC_SW
PATH_SW
TA_SW
EVOL_LD
EVOL_CLK
EVOL_DATA
AF_MUTE
AMP_SW
NC
MIC_D_IN
RX_AUDIO_D
MOD_D_OUT
VOLUME_IN
OCXO_ST_R
GND
GND
BER_DAT
TRUNKING
GND
QT_DQT
RF_PTT
STX0_ARX0
GND
E_PTT_SH
50MPU_CONT
33MPU_A
33MPU_A_GND
33MPU
DC50
DC50
50MPU_AA_GND
50MPU_A_GND
HI_VOL_DET
SYS_RST
BER_CLK
A16C_CK_SFT
ADSP_CK_SFT
RADIO_ERR
TX_STATE
GND
SRX0_ATX0
SC_SH
NC
33SH
50MPU_A
33MPU
33MPU_A_GND
DC50
DC50
50MPU
GND
CONTROL UNIT (X53-4132-XX) -71 : K -72 : For service
Component side view (J79-0011-19)
PC BOARD
NXR-
9
01
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
Summary of Contents for NEXEDGE NXR-901
Page 154: ...1 E CN300 RX_IF_VN ...