Kenwood TK-5210 Service Manual page 73

AJ
TX-RX UNIT :TX-RX SECTION(X57-6820-XX)(A/5)
T:7.2V(H)
7.4V(L)
T:2.49V(H) Q105
L111
1.85V(L) RD07MVS1
R132
3.3
RF FINAL AMP
+B
Vg(APC)
R127 R133
150k(D)
10k
C123
IC101
100p
TA75W01FU
1
OUT1
R121
150k(D) 2
IN1- OUT-B
3
IN1+
R122 4
VEE
150k(D)
AUTO POWER CONTROL
APC
APC1
SWITCH
SWITCH
Q104
SSM3K15TE
R160
47k
CPU
POWER
470k
R78
R57 470k
R64 470k
L25
SB
oPT6
TXI
RXEI
RXEo
TXo
oPT2
oP_INH
oP_MAN
TCoNT
SToN
L26
5M
C55 0.01u
Ao
R518 0
AI
R520 0
AI_TX
oPT5
oPT4
R591
5M
33M
BUS SW
oP_TXD1
R589
R588
BUS SW
RXD1
R586
oPT3
oPT1
POWER
OPTION
MICE
MIC
SP+
SP-
CPU
AK
SCHEMATIC DIAGRAM
D106,107
ANTENNA SW
R:0V
T:1.60V
HVC131
C192
R158 L113
39p
0 HVC131
TEMP
COMPENSATION
(FOR PA)
SWITCH
Q106
DTA144EE
8 R137
VCC
2.2k
7
6
IN2-
5
VOLTAGE
IN2+
PROTECTION
R136
180k
Q107
SSM3K15TE
SWITCH
Q111
Q417
EMD9
SSM3K15TE
SWITCH
R60
470k
D
SB2 26
25
oPT6
TXI 24
RXEI 23
RXEo 22
TXo 21
oPT2 20
R568
1k INH 19
R567 1k MAN DoWN 18
R566 1k TCoNT 17
R77
DI/ANI 16
SToN 15
18k
14
5A
AGND 13
Ao 12
C62 0.1u AI 11
AGND 10
R530
DGND 9
oPT5 8
0
D
USEL 7
oPT4 6
C71 0.1u
47
NC 5
TXD1 4
RXD1 3
oPT3 2
oPT1 1
10k
D CN14
C70 0.1u
47
10k
D
AL
D106
R:0V
T:0.8V
D107 C158
C148 L116 L118
8T 9T
1000p 1000p
C150 C156
10p 5p
C159
R144
0
1000p
SWITCH
Q110
2SJ243
D108,109
ANTENNA SW
R157 R156
33k 2.7k
TX-RX UNIT :OPTION SECTION(X57-6820-XX)(D/5)
26 SB2
25 C3
TXI
24
23 RXEI
22 RXEo
TXo
21
20 oPT2
19 INH
18 MAN DoWN
17 TCoNT
16 DI/ANI
SToN
15
5A
14
13 AGND
12 NC
11 NC
AGND
10
9 DGND
oPT5
8
7 NC
6 oPT4
5 NC
4 TXD1
3 RXD1
oPT3
2
oPT1
1
CN901
AM
TK-5210
SPDT
RF ANT(Y)
IC102
MASWSS0006
L119
C193 C194 C162
6 1
V1 RF1
5 2 8T
33p 33p
1000p
RFC
GND
C168
4 3
V2
RF2
4p
SPDT
IC103
MASWSS0006
KMC SW(Y)
6
1
V1 RF1
5 2
GND
RFC
C196 C197
C163 L120
4 3
V2 RF2
8T
33p 33p 1000p
C169
4p
L123
R150
2.7k
ANT GND
AGND
AGND
AGND
AGND
DGND
DGND
oPT3
oPT3
oPT2
oPT2
oPT4
oPT4
oPT1
oPT1
oPT5
oPT5
SB2
SB2
INH
INH
C3
C3
MAN DoWN
MAN DoWN
TXI
TXI
TCoNT
TCoNT
RXEI
RXEI
DI/ANI
DI/ANI
RXEo
RXEo
SToN
SToN
TXo
TXo
5A
5A
AN
ANT
CN101
SURGE
ABSORPTION
CN102
SURGE
ABSORPTION
POWER
MICE
MIC
SP+
SP-
CPU
X57-682 8/12