Kenwood NX-210 Service Manual page 78

Vhf digital transceiver
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K
NX-210
SCHEMATIC DIAGRAM
L211
L217
D
/DRST
A[16]
A[17]
C328
D[6]
D[7]
0.1u
D[8]
D[9]
D[10]
D[11]
D[12]
CN302
D[13]
C329
D[14]
D[15]
R301
0.1u
470k
D
HD5
/RD
/HDS2
A[0]
C330
A[1]
A[2]
0.1u
A[3]
CN301
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
C331
0.1u
D
A[0]
G1
oE
G2
D[9]
DQ9
D[11]
G3
DQ11
G4
VCC
G5
D[13]
FLASH ROM
DQ13
D[15]
G6
DQ15
IC301
H1
VSS1
H2
D[1]
DQ1
D[3]
H3
DQ3
H4
D[4]
DQ4
D[6]
H5
DQ6
H6
C332
VSS2
1u
C333
CN303
0.01u
D
5A
INTMIC
ME
SB2
SCTAMI
33M
PSRPLL
LCDCNT
HD5
RSSI
RXD
TXD
78
X57-771 (A/2) 2/11
L
A13
A19
A12
A20
B11
CVSS9
A11 DVDD5
D10 D6
C10 D7
B10 D8
A10 D9
D9 D10
C9 D11
B9 D12
A9 HD4
D8 D13
C8 D14
B8 D15
A8 HD5
DSP
B7 CVDD6
A7 CVSS10
IC302
C7 HDS1
D7 DVSS8
A6 HDS2
B6 DVDD6
C6 A0
D6 A1
A5 A2
B5 A3
C5 HD6
D5 A4
A4 A5
B4 A6
C4 A7
A3 A8
B3 A9
C3
A2
B2
A[16]
A[0]
D6
A[15]
A[16]
G4
A15
A16
D5
G5
VCC1
A[11]
A[15]
A15
A11
VSS1
D4
A[19]
G6
A19
DQ3
DQ1
D3
A[20]
A[9]
H1
A20
A9
A5
SRAM
D2
H2
A[5]
A[10]
A5
A10
NC1
IC303
D1
A[1]
A[11]
H3
A1
A11
DQ5
C6
H4
A[14]
A[12]
A14
A12
DQ0
C5
H5
A[10]
A[13]
A10
A13
A7
C4
A[14]
H6
A21
A14
A4
C3
A[18]
A18
C2
A[6]
A6
C1
A[2]
A2
R314
D
470k
D
RESET
M
R324
100
R318
0
M12
N12
R319
0
L11
C344
1u
M11
HD1
N11
CVDD5
L10
INT3
M10
R327
100k
INT2
N10
INT1
K9
INT0
L9
NMI
M9
R328
100k
HBIL
N9
R329
100k
IACK
K8
BDX2
L8
R320
100
BDX0
M8
HD0
N8
C345
0.1u
DVSS6
K7
DVDD4
L7
R321
100
HRDY
N7
BFSX2
M7
R322
100
BFSX0
N6
CVDD4
M6
HINT
L6
C343
0.1u
CVSS7
K6
BCLKX2
N5
BCLKX0
M5
BDR2
L5
R331
100k
HCNTL1
K5
BDR0
N4
BFSR2
M4
BFSR0
L4
BCLKR2
K4
BCLKR0
DVSS5
N3
M3
R323
100k
N2
R332
0
N1
C346
22p
IC304
C342
TC7SH08FU-F
R326
1u
1
INB
VCC
2
100k
D
INA
3
D6
GND
oUTY
D1
D
C6
D[1]
C348
0.01u
C4
A[5]
C347
0.01u
C3
C1
D[5]
B6
D
D[0]
RESET
B5
A[7]
IC305
B4
A[4]
XC6109C29ANN
3
2
CD
VSS
D[4]
4
1
VoUT
VIN
3.30V
3.30V
N
TX-RX UNIT (X57-7710-10) (A/2)
L306
33MDSP
MCSCKAF
FSDET
INT3
/DINT
R342
1k
/SYMTIM
/DWUP
BDX2
D
BFSX2
/MCCSXCN
BCLKX2
BDR2
MCDOCN
BFSR2
/MCCSRCN
BCLKR2
/MCCSAF
MCDOAF
31BU
L304
IC304
5
2 INPUT
AND GATE
R343
4
MCSCKCN
150
RTC
IC306
RV5C386A
L305
1
10
32KOUT
31BUR
VDD
2
9
SCL
OSCIN
3
8
SDA
OSCOUT
4
7
INTRB
CLKC
R330
5
6
VSS
INTRA
47k
C349
0.1u
D
O
15M
HD2
33M
MCDIAF
MCDICN
RESET
5A
INTMIC
ME
SB2
SCTAMI
33M
RXD
TXD
31BU
PSRPLL
LCDCNT

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