Kenwood NX-700 Service Manual page 85

Vhf digital transceiver
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Z
TX-RX UNIT (X57-738X-XX) (A/2)
4
3
1.48V
3.31V
5
3
A13
A12
4
B11
C503
A11
D10
0.1u
D6
C10
D7
B10
D8
A10
D9
D9
D10
C9
D11
B9
D12
A9
D8
D13
C8
D14
3
R501
B8
D15
100k
5
A8
C504
B7
0.1u
A7
C7
/RD
D7
A6
/HDS2
C506
B6
0.1u
C6
A0
D6
A1
A5
A2
B5
A3
C5
D5
A4
A4
A5
B4
A6
C4
A7
A3
A8
B3
A9
C505
C3
A2
0.1u
B2
3
5
7
2
1
AA
SCHEMATIC DIAGRAM
3
4
5
4
A19
A20
CVSS9
DVDD5
D6
D7
D8
D9
D10
D11
D12
HD4
D13
D14
D15
HD5
CVDD6
CVSS10
HDS1
DVSS8
HDS2
DVDD6
A0
A1
A2
A3
HD6
A4
A5
A6
A7
A8
A9
CVDD7
A21
DVSS9
3
5
AB
NX-700/700H
3
4
5
IC502
DSP
33M_1
15M_1
7
1
2
AC
15M_1
33M_1
R532 100
R533 0
M12
DVSS7
R536 0
N12
BCLKX1
L11
CVSS8
R537 0
M11
HD1
C518 1u
N11
CVDD5
L10
INT3
M10
INT2
N10
INT1
K9
INT0
L9
NMI
M9
HBIL
N9
R558 100k
IACK
K8
BDX2
L8
R538 100
BDX0
R539 0
M8
HD0
N8
DVSS6
C516 0.1u
K7
DVDD4
R540 100
L7
HRDY
N7
BFSX2
R541 100
M7
BFSX0
C517 0.1u
N6
CVDD4
M6
R696
HINT
100k
L6
CVSS7
K6
BCLKX2
N5
BCLKX0
M5
BDR2
R544
L5
HCNTL1
100k
K5
BDR0
N4
BFSR2
M4
BFSR0
L4
BCLKR2
K4
BCLKR0
N3
DVSS5
R542 100k
M3
HCNTL0
R543
N2
BCLKR1
N1
0
CVSS6
R685
100k
R560
0
X57-738 (A/2) 6/16
AD
HD2
X2_CLKIN
3
4
5
/BER_EN
MCDIAF
/MCCSAF
6
MCSCKAF
FSDET
INT3
/DINT
/SYMTIM
/DWUP
BDX2
MCDICN
/BFSX2
/MCCSXCN
6
BCLKX2
BDR2
MCDOCN
BFSR2
/MCCSRCN
BCLKR2
/MCCSAF
MCDOAF
MCSCKCN
6
BCLKR0
BCLKX0
1
7
2
85

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