Kenwood TK-2317 Service Manual page 58
Vhf fm transceiver
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Also See for TK-2317:
- Instruction manual (40 pages) ,
- Specification (2 pages) ,
- Service manual (52 pages)
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K
TK-2317
THDET
AFCONT
CVIN
BATT
PL_STB
PL_DAT
PL_CLK
PL_UL
T C XO
1
V C o N T
V C C
2
o U T P U T
G N D
X1
1 6 . 8 M H z
L 7 7 - 3 0 5 0 - 0 5
1.6V
33M
R9 8
1 8 k
C98
4
o U T
3.3V
5
V D D
I C3
T C7 5S51 FE(F)
DCSW
TX/RX
APCSW
AVR
7.4V
L 803
1
2
3
50M
BEAT S HIFT
BSHIFT
ON:3.3V
OFF: 0V
33MS
TXD
UCLK
50C
VOLIN
Q8 06
2SC 49 19 - S
B E AT S H I F T S W
CM_DTO
CM_DTI
7.4V
CM_CLK
50VC
CM_CSN
ON:3.3V
CM_IRQ
50VC
AVR
XC620 9 B502 PR
I C8 03
4 V I N
5.0V
5 VoUT
TXD
50T
50R
LSDO1
ASSIST
HSDENC
QT/DQT
VOX
RSSI
HSDIN
33M
MICMT
WID/NAR
PTT/RXD1
SB
EMPTT
EMPTT
BUSY
PTT/RXD
OPTDET
VOLOUT
B
58
X57-788 3/6
L
SCHEMATIC DIAGRAM / 原理图
C P 1
100x4
3.3V
7 LD
R5
R 9
8 PDN2
4
1 0 k
1 0 0
R11
9 PDN1
1 0 k
REFIN
10
3
TEST2
1 1
L1
R8
C11
TEST3
12
4 .7u
3 3 0
0. 01u
33MS
1 0 0 0 p
R99
R1
Freq
I N +
3
0
1 8 k
VSS
2
MOD1
I N -
1
R6
R 7
0
1 0 k
I C8 06
X C 6 2 0 9 B 3 3 2 M R
3.3V
3 3 B
V I N
Vo U T
5
V S S
CE
NC
4
L 7 8 - 1 4 3 4 - 0 5
1 9 . 2 0 0 M H z
3 7
DVSS3
3 8
VDEC2
3 9
X802
XTAL/CLoCK
4 0
XTALN
4 1
DVDD
R879 0
4 2
CoMMANDDATA
R88 0
4 3
REPLYDATA
0
4 4
C8 66 1 0 u
NC
4 5
DVSS4
R881
4 6
SERIALCLoCK
0
4 7
SYSCLoCK2
R882
4 8
CSN
0
CE
3
C882
3.2V
V S S
2
10 00p
NC
1
5 0 V
M
5.0V
CPVSS
2 4
SWIN
PL L -I C
2 3
CPZ
I C 1
2 2
AK1 5 4 1
CP
2 1
PVSS
2 0
R 1 4
BIAS
1 9
2 2 k
3.2V
R1 5
1 0
50C
IC 8 1 1
DC AMP
H A1 6 3 0 D 0 3 MM
1
Vo U T 1
V D D
2
V I N 1 -
3.3V
Vo U T 2
3
V I N 1 +
33M
V I N 2 -
4
V S S
V I N 2 +
R 8 2 4
C8 7 6
8 2 0 k (D)
1 0 u
C 8 7 4
R8 9 0
R 8 92
0.1u
0
1 5 k
C877
3.2V
PC/BPF2[1]
1 0 0 0 p
MoD2
24
MoD1
2 3
AVSS1
2 2
MIC
2 1
BASEBAND I C
MICFB
2 0
ALTFB
I C 81 2
19
CD 6 8 6 Q 3
ALT
1 8
DISCFB
1 7
DISC
1 6
GPIo2
15
DVSS2
14
SYSCLoCK1
1 3
R 8 91
C 8 7 8
4 7 k
0 . 0 1 u
C 8 7 9
10u
N
O
TX-RX UNIT (X57-7880-20)
5.0V
R 1 6
1 0
CVIN
DC AMP
I C 2
B D7 5 4 2 F VM
1
oUT1
V D D
8
2
I N 1 -
o U T 2
7
R 2 8
3
I N 1 +
I N 2 -
6
0
4
V S S
I N 2 +
5
R 2 9
4 7 0 k
C 3 5
0 . 0 1 u
5.0V
8
7
6
5
R9 6 2
C 91 5
1 0 k
1 u
R 8 97
27k
R 8 98
2 .2 k
R 8 93
0
R 8 9 9
C 8 92
1 u
1 2 0 k
C 8 93
R9 0 0
1 0 0 k
4 .7 u
50V
TXD
50T
50R
ASSIST
HSDENC
DISCFB
THDET
50C
LOIN
CV
CP
CPZ
16.8M
50C
VCOS
DCSW
TX/RX
MOD2
AF_CONT
50T
APCSW
50V
50M
33M
BPF1
PC/BPF2
TXD
ASSIST
50R
DETAF
MIC
MICFB
VOX
RSSI
33M
MICMT
WID/NAR
PTT/RXD1
SB
EMPTT
BUSY
PTT/RXD
OPTDET
VOLOUT
B
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