Kenwood NXR-901 Service Manual page 172

900mhz digital base-repeater ocxo unit kxk-3 m3
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E
R
33MPU-2
S79-0473-05
R702
47k
R703
47k
R709
100k
R710
100k
C722
C723
R720
10
T
R721
0
R711
0
S700
C818
0.1u
BUFFER
IC725
SW
TC7SH126FU-F
D701
4
3
oUTY
GND
2
1SS388F
INA
5
1
VCC
G
1000p
1000p
A3
VDD-CPG
B20
VDDQ1
C9
VDDQ2
C11
VDDQ3
C13
VDDQ4
E18
VDDQ5
H3
VDDQ6
J18
VDDQ7
K3
VDDQ8
K18
AVCC_ADG
M3
VDDQ9
M18
VDDQ10
N18
VDDQ11
V3
VDDQ12
V5
VDDQ13
V8
VDDQ14
V10
VDDQ15
V11
VDDQ16
V12
VDDQ17
V16
VDDQ18
V18
VDDQ19
B2
VSS-CPG
C19
VSSQ1
D9
VSSQ2
D11
VSSQ3
D13
VSSQ4
D15
VSSQ5
E17
VSSQ6
H4
VSSQ7
J17
VSSQ8
K4
VSSQ9
K17
AVSS_ADC
M4
VSSQ10
F
MIC SW
Q707
LTC044EUBFS8
LAN_CKSFT
MPU
IC703
G
PC CONTROL
CN713
C750
1u
RS-232C
DRIVER/RECIEVER
IC705
ADM3202ARUZ
C751
C746
1u
1
16
C1+
VCC
C747
1u
2
15
0.01u
V+
GND
3
14
C1-
T1oUT
C748
1u
4
13
C2+
R1IN
5
12
C2-
R1oUT
C749
1u
6
11
V-
T1IN
7
10
T2oUT
T2IN
8
9
R2IN
R2oUT
R756
0
DREQ1
DREQ0
DACK1
DRAK0
DRAK1
DACK0
BACK
BREQ
STATUS1
STATUS0
CA
MRESET
RESET
CAN1_RX/AUDATA<3>
CAN0_RX/AUDATA<2>
CAN1_TX/AUDATA<1>
CAN0_TX/AUDATA<0>
RESERVED/AUDATA<3>
RESERVED/AUDATA<2>
RESERVED/AUDATA<1>
ADTRG/AUDATA<0>
RESERVED/AUDSYNC
RESERVED/AUDCK
EARTH_3
A11
A10
B15
B14
B13
B12
B11
R774
100k
B16
A16
A15
E20
E19
IC726
TC7SH08FU-F
D19
1
5
C17
INB
VCC
2
D18
INA
3
4
A18
GND
oUTY
F4
E4
D8
D6
CP814
E3
R766
D5
B1
0
R20
IC70
BU4829
R19
4
T20
VDD
T19
R917
5
J20
GND
V
J19
0
R909
K20
K19
0
H20
H19

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