Kenwood TK-2312 Service Manual

41
SCHEMATIC DIAGRAM
TK-2312/2317
MIC
TX/RX
CV
PC/BPF2
AF_CONT
50R
WID/NAR
33M
50C
BPF1
L20
100n
L401
180n
C58
13p
L14
3.3u
C406
0.1u
C34
470p
C907
47p
C24
1.5u
16
2SC4116(GR)F
Q810
C411
82p
R905
2.7k
R39
56k
C61
6p
2SA1586(Y,GR)F
Q811
C51
47p
2SC5636
Q8
R62
68k
C404
0.1u
D6
1SV323F
D402
KDS121E-P
R46
150k
C30
15p
2SK1830F
Q12
R58
220k
CF402
L72-1010-05
WIDE
D10
1SV325F
C20
470p
R409
15k
C67
0.5p
R68
0
L15
39n
C63
0.01u
R40
100k
C48
7p
C73
15p
(B)
C409
0.01u
C49
1000p
C62
0.01u
R906
1k
2SC5636
Q2
R914
470
C402
0.1u
C75
1000p
D12
1SV325F
R911
10k
L25
15n
R27
10k
C897
0.47u
C41
100p
R44
22
C53
7p
L5
10u
D15
HVC375B-E
R37
1 . 5k
R43
100k
C74
1000p
R30
820
R47
100
2SC5636
Q9
C71
33p
(B)
D13
HSC119
C25
0.068u
35
C910
0.068u
C76
0.1u
R19
680
L11
15u
C70
1000p
C55
10u
R903
100
L7
10u
R904
470k
MCH3914(7)-H
Q5
C44
1000p
L27 100n
R60
470
R410
330k
CV(A)
R909
1M
MCH3914(7)-H
Q4
C898
0.47u
C909
0.1u
D401
KDS121E-P
C906
470p
C899
470p
SSM3J05FU-F
Q11
R31
10M
C911
10u
R53
4.7k
L19
C901
0.47u
Q6
SSM6L05FU-F
SSM3J05FU-F
Q7
R408
10k
CF401
L72-1045-05
Narrow
KTC4080E-P
Q403
C415
39p
C912
1000p
C900
470p
C405
0.1u
R52
10k
R908
100k
R411
10k
L17
22n
C52
3p
D809
KDR731
R912
0
D14
HVC375B-E
C949
1000p
C77
18p
C43
100p
R63
1k
R45
22
R41
270
D807
KDR731
L2
15n
C33
47p
C407
0.1u
L10
3.3u
R49
10k
D16
C9
0.01u
C59
15p
C50
0.1u
R17
0
C87
1000p
KTC4075E(Y,GR)
Q809
R406
1.8k
C410
22p
R50
47
R415
1.8k
C896
0.1u
R910
10k
C86
22p
C47
82p
R902
10k
R18
390
L402
100n
C78
1u
L4
IC817
TC75S51FE(F)
1
IN+
2
VSS
3
IN-
oUT
VDD
C60
6p
L8
27u
R414
100
D808
KDR731
C905
470p
R913
1.8k
R20
0
C403
0.1u
KTC4075E(Y,GR)
Q3
C85
22p
R42
270
R907
2.7k
R67
10k
L18
10u
C903
2.2u
C902
2.2u
D810 MC2850
C904
0.47u
R51
470
C38
0.1u
CP814
470kx2
C88
22p
C57
0.3p
C416
82p
L16
C29
15p
C66
0.5p
C408
33p
L21
100n
C72
5 p
(B)
D9
1SV323F
R469
33k
IC402 NJU7108
1
IN-
2
3
IN+
4OUT
5
VDD
R471
R470
33k
C496
0.1u
MIC AGC
TRIP
RX VCO
TX VCO
DC SW
DC SW
DC SW
RF BUFF
RF BUF
RIPPLE
FILTER
RF AMP
B
TXD
PTT/RXD
OPTDET
EMPTT
B
USY
PTT/RXD1
MICMT
B
VOLOUT
WID/NAR
RSSI
VOX
THDET
MOD2
DCSW
33M
50M
ASSIST
50V
50T
APCSW
VCOS
DETAF
DC SW
50C
50C
50C
50C
50C
50R
DC SW
SB
DETAF
RSSI
PTT/RXD1
EMPTT
BUSY
PTT/RXD
OPTDET
VOLOUT
LO
THDET
APCSW
50T
TXD
50V
DCSW
50M
33M
BPF1
PCBPF2
AFCONT
VSS
4
5
AGC AMP
AGC AMP
VOX AMP
RECTIFICATION
RECTIFICATION
RECTIFICATION
RECTIFICATION
FIL SW
FIL SW
VOX
SB
IFIN
MIXO
50C
2NDLO
50R
CP
CPZ
LOIN
16.8M
MIC
MICFB
WID/NAR
D4
1SV323F
D8
1SV323F
C45
470p
R33
47
HVC375B-E
10u
4.7k
2.2V
2.5V
3.7V
3.9V
4.6V
3.6V
3.3V
0.7V
R: 0V
T:4.2V
R:4.2V
T: 0V
4.2V
R: 0V
T:3.3V
5.0V
5.0V
4.8V
0.6V
W:3.3V
N: 0V
X57-788 4/6
TSRQP
TX-RX UNIT (X57-7880-20)

Kenwood TK-2312 Specifications

General

Brand	Kenwood
Model	TK-2312
Category	Transceiver
Language	English