Kenwood TK-3312 Service Manual page 40
Uhf fm transceiver
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Also See for TK-3312:
- Instruction manual (39 pages) ,
- Service manual (52 pages) ,
- Instruction manual (39 pages)
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K
TK-3312/3317
THDET
AFCONT
CVIN
BATT
PL_STB
PL_DAT
PL_CLK
PL_UL
T C X O
1
V C o N T
2
o U T P U T
G N D
X 1
1 6 . 8 M H z
L 7 7 - 3 0 5 0 - 0 5
1.6V
33M
R 2
4 7 k
DCSW
TX/RX
APCSW
7.4V
AVR
L 8 0 3
50M
B E AT S H I F T
BSHIFT
ON:3.3V
OFF: 0V
33MS
L 7 8 - 1 4 3 4 - 0 5
1 9 . 2 0 0 M H z
TXD
UCLK
50C
X 8 0 2
VOLIN
2 S C 4 9 1 9 - S
B E AT S H I F T S W
CM_DTO
CM_DTI
7.4V
50VC
ON:3.3V
50VC
AVR
I C 8 0 3
4 V I N
5.0V
5 Vo U T
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
40
X57-789 3/6
L
SCHEMATIC DIAGRAM
C P 1
100x4
3.3V
7 LD
R 5
R 9
8 PDN2
V C C
4
1 0 k
1 0 0
R 1 1
9 PDN1
1 0 k
REFIN
1 0
3
TEST2
1 1
L 1
R 8
C 1 1
TEST3
1 2
4 . 7 u
3 3 0
0 . 0 1 u
33MS
R 9 7
R 6
R 7
MOD1
0
6 8 k
0
R 9 9
R 9 8
R 1
Freq
0
0
4 7 0 k
I C 8 0 6
X C 6 2 0 9 B 3 3 2 M R
3.3V
3 3 B
1
V I N
Vo U T
5
2
V S S
3
C E
N C
4
3 7
DVSS3
3 8
VDEC2
3 9
XTAL/CLoCK
Q 8 0 7
4 0
XTALN
4 1
DVDD
R 8 7 9 0
4 2
CoMMANDDATA
R 8 8 0
4 3
REPLYDATA
0
4 4
C 8 6 6 1 0 u
NC
4 5
DVSS4
R 8 8 1
4 6
SERIALCLoCK
0
4 7
SYSCLoCK2
R 8 8 2
4 8
CSN
CM_CLK
0
CM_CSN
CM_IRQ
X C 6 2 0 9 B 5 0 2 P R
C E
3
C 8 8 2
3.2V
2
V S S
1 0 0 0 p
N C
1
5 0 V
M
5.0V
CPVSS
2 4
SWIN
P L L - I C
2 3
CPZ
I C 1
2 2
R 2 8
A K 1 5 4 1
CP
2 1
PVSS
2 0
R 1 4
BIAS
1 9
2 7 k
3.2V
R 1 5
1 0
50C
I C 8 1 1
D C AMP
H A 1 6 3 0 D 0 3 M M
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
C 8 7 6
8 2 0 k (D)
1 0 u
C 8 7 4
R 8 9 0
R 8 9 2
0
0 . 1 u
1 5 k
C 8 7 7
3.2V
PC/BPF2[1]
1 0 0 0 p
MoD2
2 4
MoD1
2 3
AVSS1
2 2
MIC
2 1
B A S E B A N D I C
MICFB
2 0
ALTFB
I C 8 1 2
1 9
C D 6 8 6 Q 3
ALT
1 8
DISCFB
1 7
DISC
1 6
GPIo2
1 5
DVSS2
1 4
SYSCLoCK1
1 3
R 8 9 1
C 8 7 8
4 7 k
0 . 0 1 u
C 8 7 9
1 0 u
O
N
TX-RX UNIT (X57-7890-21)
5.0V
R 1 6
1 0
CVIN
D C AMP
I C 2
B D 7 5 4 2 F V M
1
o U T 1
V D D
8
2
I N 1 -
o U T 2
7
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
R 9 6 2
C 9 1 5
1 0 k
1 u
R 8 9 7
2 7 k
R 8 9 8
2 . 2 k
R 8 9 3
0
R 8 9 9
C 8 9 2
1 u
1 2 0 k
C 8 9 3
R 9 0 0
1 0 0 k
4 . 7 u
50V
TXD
50T
50R
ASSIST
HSDENC
DISCFB
TX-R
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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