Kenwood TK-8360 Service Manual page 47

F
TX-RX UNIT (X57-8020-XX)
1
TX VCO ASSIST
D11
L13 C70 R63 1SV325F
270n
47p 0
RX VCO FREQUENCY
L15
D10,12,13
RX VCO ASSIST
D10
L11 1SV325F
C68 R61
270n
47p 0
TX VCO FREQUENCY
L16
9CL
C568
C569
0.75p 0.5p
R551
0
RF BPF
TUNING
RF BPF TUNING
8.95V
9C
HA17358BFEL-E
1
2
3
4
6
5C
IC710
TC7W53FK-F
4
5
A GND
6 3
R749
CH1 VEE
0
7 2
INH
CH0
8 1
3.3C VCC CoMMoM
LSD SWITCH
2
DISC
TENTATIVE
G
SCHEMATIC DIAGRAM
C91 6P
R : 6.97V R:1.06V
Q8
MCH3914(7)-H
L32
C79
22n
16p
R : 0V
Q7
T : 7.28V
2SJ347F
R : 7.34V
T : 0V
C92 8p
T : 4.62V
Q6
MCH3914(7)-H
C77 L31
22n
10p
TX VCO
D16
MODULATION
R65
39k
9CL
R : 8.92V
C572
C574 L516
C580
18n
1.5p 1p 470p
IC501
8
VCC
C591
7
470p
6
MIC
5
AGC AMP
VEE
RX NOTCH /
2SC4919-S
APC DC AMP
CN721
6
R728
4.7k
2
6
X57-8020-XX R76 R80 R82
-22 TK-8360 M 56k 120k
TK-8360H K,M
-11 120k 68k 100
TK-8360HU K
H
TK-8360/8360H/8360H
1
Q8
RX VCO BUFFER AMP
0.74V
C96 R74 5.04V
Q12
2SC5108(Y)F
0
0.3p
C102
4p
Q7,10
TX/RX VCO
SWITCH
7.39V
Q10
KRX102U
L40
9CL
R73
R : 3.17V
1k T : 0V
T : 0.85V
9CL
8.95V 7.39V
Q11
KTC4075E(Y,GR)
8.33V
RIPPLE
R583
FILTER
10
R561
0
R : 8.03V
R563
R : 7.48V
CN506
0
C588 R572
Q511
3SK318
470p 0
R : 3.60V
R : 2.30V
RF AMP
3
D712,713
MIC AGC
DETECTION
D712
R746
MC2858
D713
0
1SS372F
R747
C772
100
0.1u
Q703
C771
68p
R762
330k
C756 R739
L702
0.1u 22k C766 R757
0.1u 2.2k
1.62V
MIC MUTE
C773
SWITCH
1u
R734
R750
1K
1M
Q704
2SK1830F
10
I
RF AMP
6.73V
2.38V
2.57V
CN3
Q13
C110
2SC5108(Y)F R84
C104
0
2p
2p
9C
9R
T : 8.79V
TX DRIVE AMP
Q300
RD00HVS1-T113
T : 2.38V
L302
C300 L300 L301
10n
11p 8.2n 4.7n
T : 2.38V
9T
C554
3p CN504
L504 C605
18n
4p
R578
C593 C595 0 C600 C602
1.5p 2.5p 30p
4p
RF BPF
TUNING
3
C755 1u
OPTION MOD
MUTE SWITCH
Q712
3.22V
R781
SSM3J05FU-F
100k
MIC/MOD AMP
IC701
NJM2100V-ZB
1 8
VDD
7
IC708
2
TC4W53FU-F
3 6
1
R775
5
4
CoMMoM
VSS
2
0
INH
C777 0.1u 3
VEE
4
C778 1u
VSS
OPTION
AF SWITCH
2
J
U
( )
1
TX/RX
RF SWITCH
R : 0V
T : 3.29V
D17
HVC131
D18
HVC131
R : 3.29V
T : 0V
R86
4.7k
9T
L303 L305
C312
RF
12n
15n
270p
3
CN508
*
R581
R579
0
0
3
R742
82k
8
VDD
R765 C774
7
CH0
10k 0.1u
6
CH1
5
R755
A
150k
HSDO
6
MIC
2
DISC
47
X57-802 2/6