Kenwood TK-5220 K Service Manual page 76

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K
TK-5220
HD2
5
6
X2_CLKIN
IC107
BUFFER
SM5023CNDH-G
4
3
Q
VSS
D
C130
5
2
VDD
XT
0.01u
6
1
XTN
INHN
R162
470k
L709
33MDSP
IC104
TC7SH08FU-F
1
INB
VCC
2
INA
3
GND
oUTY
HD0
C123
0.01u
D
IC106
RTC
RV5C386A
1
32KOUT
2
SCL
3
SDA
4
OSCOUT
INTRB
BCLKX0
5
VSS
C159
0.1u
D
C122
BCLKR0
0.01u
IC105
XC6109C29ANN
3
CD
VSS
4
VoUT
VIN
RESET
3.28V
11
12
7
5RC
8
9
LCONT
RESET
13
R716
0
76
X53-448 3/10
L
SCHEMATIC DIAGRAM
6
L713
X102
18.432MHz
3
2
oUTPUT
GND
D
R165
1k
4
1
VCC
VC
9.5mV
D
2 INPUT
5
AND GATE
4
L708
10
VDD
9
OSCIN
8
7
CLKC
6
INTRA
R138
47k
18
D
2
R149
1
33M
0
3.282V
11
12
5RC
/PTT
RSSI
12
8
9
13
/MNDNU
RXD
TXD
C812
1u
A
M
ASQDET
14
R158
A4
XTALI
B4
22
XTALo
A10
32K
32I
A12
CN104
DSPCK
B11
/RINT
CKo
A11
USRCKI
H18
5
5
A0
ADD0
J18
A1
ADD1
6
6
K18
A2
ADD2
L18
A3
ADD3
M18
A4
ADD4
N18
A5
ADD5
J17
A6
ADD6
K17
A7
ADD7
M17
A8
ADD8
N17
A9
ADD9
P17
A10
ADD10
K16
A11
ADD11
L16
A12
ADD12
M16
A13
ADD13
P16
A14
ADD14
J15
A15
ADD15
K15
A16
ADD16
D
M15
A17
ADD17
N15
A18
ADD18
6
P15
A19
ADD19
J16
A20
ADD20
H15
CN106
ADD21
G17
D0
DT0
H16
D1
DT1
G15
D2
DT2
F18
D3
DT3
F17
D4
DT4
G16
D5
DT5
14
E18
D6
DT6
E17
D7
DT7
F16
D8
DT8
32K
D18
D9
DT9
D17
D10
DT10
B15
D11
DT11
D16
D12
DT12
C15
D13
DT13
D15
D14
DT14
E15
D15
DT15
A15
/WR
WRITE
A16
/RD
READ
B14
/RINT
LED_R
BHE
C14
15
LED_G
BLE
A13
/CS4
CS4
D13
/CS3
CS3
C13
/CS2
CS2
B13
CN105
CS1
A14
/CS0
CS0
B12
/HRDY
HRADY
D14
/HDS2
HDS2
R18
TXD0
TXD0
T18
7
RXD0
RXD0
R16
RTS0
RTS0
R15
CTS0
CTS0
U15
AMT
TXD1
T15
RXD1
V15
26P_TD
TXD2
V14
RXD2
RXD2
T14
18
/OINT
TXD3
R153
16
100k
R154
100k
15
14
R155 47k
R156 4.7k
7
R157 4.7k
LCONT
I2CCK
I2CSDA
/PTT
14
15
7
11
18
16
18
11
12
8
9
13
N
CONTROL UNIT (X53-4480-XX)
AUD_IREFC
AD12_IREFF
O
HD2
GPIo7
A
14
15
7
33MAS
33A-1
16
18
11
SPCS10
RESET
12
8
9
13

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