Kenwood TK-5810 Service Manual page 101

Uhf p25 transceiver
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F
SCHEMATIC DIAGRAM
CONTROL UNIT (X53-4400-10)
9
CLK-BUFF AMP
18.432MHz
3.3Vp-p
IC707
SM5023CNDH-G
R761
22
4
Q
3.30V
5
VDD
6
XTN
R770
470k
18.432MHz
1.0Vp-p
3
oUTPUT
4
VCC
3.30V
C746 1000p
C747 0.1u
/SBC
5C
2.82V
4.53V
R119
3_FTEMP1
33k
13
2.82V
R122
3_FTEMP2
33k
R139
R140
3_TEMP
R129
47
1.42V
R120
3_CV
33k
R : 1.52V
4.94V
R121
3_RSSi
33k
R127
47
R : 0.34V
R118
33k
8
13
13
AFo
TAM_1
1
2
G
18.432MHz
1.0Vp-p
3
VSS
2
XT
1
INHN
D
X701
2
GND
R779
1
1k
VC
D
/SBC
5.00V
4.50V
FTEMP1
4.53V
IC103
TC75W51FUF
BUFF AMP
FTEMP2
1k
4.94V
10k
5.00V
4
IC102
TC75W51FUF
1.98V(K)
BUFF AMP
2.17V(K2)
CV
R : 2.17V(K)
R : 2.19V(K2)
RSSi
R : 2.17V(K)
R : 2.19V(K2)
IC101
TC75W51FUF
R : 0.01V
BUFF AMP
ASQL
8
8
14
4
H
TK-5810
9
10
11
12
10
11
18.432MHz
3.3Vp-p
12
R764
22
A4
XTALI
B4
XTAL
A10
32K
32I
R762
A12
DSPCK
100
B11
/RINT
CKo
A11
USRCKI
H18
A0
ADD0
A18
A1
ADD1
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
M15
A17
ADD17
N15
A18
ADD18
P15
A19
ADD19
11
J16
A20
ADD20
10
H15
A21
ADD21
G17
D0
DT0
H16
D1
DT1
G15
D2
DT2
F18
D3
DT3
F17
D4
DT4
G16
D5
DT5
E18
D6
DT6
E17
D7
DT7
F16
D8
DT8
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
3_DBSW
BHE
C14
3_DiMUTE
BLE
A13
3_AMT
CS4
D13
/CS3
CS3
15
C13
/CS2
CS2
B13
3_STSW
CS1
A14
/CS0
CS0
B12
/HRDY
HRADY
D14
14
/HDS2
HDS2
R18
3_TXD0
TXD0
T18
3_RXD0
RXD0
R16
3_RTS0
RTS0
R15
3_CTS0
CTS0
U15
3_TXD1
TXD1
T15
3_RXD1
RXD1
V15
3_TXD2
TXD2
V14
3_RXD2
RXD2
R832
T14
TXD3
1k
TXD3
3_PSC
10
3_VGS_EN
3 _2CCK
3 _2CDA
D
D
33M
15
13
8
14
4
1
2
I
BG
/5810H
(
)
ASQ
R766
100
1kHz
R : 184mVrms
1.65V
8
AFo
J
BG
(
)
9
10
11
12
X2 CLKIN
BSHIFT
/HINT
IC708
BU7317GUKW1
ASIC
1kHz
T : 164mVrms(K)
T : 184mVrms(K2)
1kHz
T : 68mVrms
A
A
15
16
13
32K
/FLDM
/RST
/RST
14
TAM_1
4
1 2
101
X53-440 2/10

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