43
SCHEMATIC DIAGRAM
TK-8302/8302H
X57-768 2/6
J
I
H
G
F
R : 0V
T : 3.29V
R : 3.87V
R : 0.67V
R : 0V
T : 7.58V
7.70V
T : 4.48V
T : 0.84V
T : 0V
R : 3.22V
9.03V
7.51V
0.92V
6.93V
6.71V
0.74V
2.63V
T : 0V
R : 3.33V
T : 2.76V
T : 8.80V
R : 4.02V
R : 8.59V
R : 2.61V
R : 7.52V
R : 8.94V
9.03V
3.24V
1.62V
8.20V
T : 2.78V
2.2k
R62
0
C949
C87
100
0
C83
R53
C81
L24
R54
33n
R55
2p
10
R57
C88
100
R59
39n
390
C89
470p
C92
0.01u
2SC5108(Y)F
Q10
6p
Q9
2SC5108(Y)F
2p
R61
CN2
C90
22k
R564
C78
R52
1k
D720
R63
4.7k
470p
C99
HVC131
R64
C94
4.7k
C301
R376
C302
C303
12p
D719
HVC131
1.5p
470p
C315
0.022u
47p
L7
D4
L5
C54
L9
C82
470p
C77
470p
R49
4.7k
+
C80 10u16
0
39k
47k
L13 220n
L11 220n
C57
R41
39k
L15 220n
D8
D9
1SV325F
1SV325F
L17
C59
10u
R45
47k
C63
100p
D12
1SV278F
C64
1SV325F
R38
D6
L14 220n
L12 220n
470p
390
12p
27n
390
C70
C66
L710
KTC4075E(Y,GR)
Q8
R51
C76
L23
6p
C74 8p
Q6
MCH3914(7)-H
Q5
2SJ347F
C72
R48
100k
C68
C71
C67
Q7
KRX102U
47p
470p
D5
L6
27u
27n
C65
1SV325F
D11
1SV325F
D10
1SV325F
0
D7
L16 220n
0.5p
15p
C69
5p
C73 6p
MCH3914(7)-H
Q4
L34
R50
0.5p
0
R78
R77
0
15p
4.7k
R303
1000p
C307
470p
C305
22k
R306
6.8n
4.7n
8.2n
RD00HVS1-T113
Q300
12n
27n
C322
270p
C56
R40
C62
L19
C100
L20
5p
100p
C75
68
27u
1SV325F
C52
270u
R46
R47
470p
470p
470p
470p
C58
C79
270n
L18
C61
100p
2.5p
270n
0.3p
270n
100
0.5p
1SV325F
R43
R39
470p
470p
120k
C86
C84
2.5p
R60
L26
47k
470p
R58
470p
470p
2.5p
C91
C85
L25
470p
33p
11p
6p
470p
L304
L303
C316
C314
C313
*L305
L300
C300
L302
L301
L504
18n
L507 18n
10
R974
3p
C546
10p
C878
4p
C879
470
R976
470
R975
4p
C554
470p
C561
0
R589
CN504
1M
R554
470p
C569
1000p
C576
68p
C574
2p
C575
1p
C577
68p
C578
3p
C581
470p
C583
1p
C572
1p
C871
0
R553
68p
C570
3p
C571
4p
C573
R878 1M
R879 1M
0
R560
470p
C582
L511
6.8n
6.8n
L512
1SV305F
D505
D506
1SV305F
1SV305F
D508
L513
6.8n
L515
18n
L514
270n
3SK318
Q506
27
R562
470p
C588
100k
R566
82k
R569
470p
C591
0
R572
470p
C586
470p
C590
68k
R570
4p
C595
5p
C597
1000p
C596
0
R577
220
R565
560k
R567
CN506
D509
1SV305F
6.8n
C593
2.5p
L517
C594
47p
R880 100k
1SV305F
D510
C598
47p
C599
5p
R881 100k
6.8n
L518
L519
82n
0
R580
8p
C603
20p
C601
5p
C604
100k
R579
0
R532
D511
HVC369B
CN507
7
2
3
4
6
5
VEE
1
8
VCC
IC501
HA17358BFEL-E
0
R576
470p
C592
470p
C606
22k
R574
22k
R573
0.1u
C585
1u
C587
0
R563
470p
C589
22k
R568
1K
R704
0
R867
1u
C924
330k
R723
0.1u
C740
22k
R715
680
R705
4.7k
R708
22k
R714
0.1u
C747
2.2k
R722
470p
C744
0
R716
0.1u
C739
L700
47k
R725
47k
R726
0
R868
100k
R751
1u
C772
100k
R731
0.1u
C749
68p
C748
10u
C746
100
R720
0
R719
82k
R882
820
R711
7
MIC/MOD AMP
3
2
4
VSS
6
5
IC700
NJM2100V-ZB
1
8
VDD
Q705
SSM3J05FU-F
1SS372F
D712
MC2858
D711
C754 0.1u
C925 1u
5C
2SK1830F
Q701
Q702
2SC4919
CN723
1u
C877
1u
C876
TXAFO
TXAFI
9C
9CL
9CL
TX/RX
9R
9T
9R
9C
TVC
APCC
5C
EMGMIC
M2MUTE
M1MUTE
3.3C
SCRSW
ME
ASTC
9CL
DISC
FREQ
FREQ
DISC
MIC
HSDO
RF
9CL
9C
9R
9T
9T
3.3C
9C
TX : LO
RX : HI
10k
ASTC
TK-8302
M2
-23
18n
12n
TK-8302H
-15
K2
X57-7680-XX
L305
FREQUENCY CONTROL
D4-11
(TX/RX VCO)
SWITCH
TX/RX VCO
Q5,7
RX VCO
Q4
VCO BUFFER AMP
Q9,10
BAND SWITCH
TX/RX
TX DRIVE AMP
TUNING
D509,510
RF BPF
RF BPF
TUNING
D506,508
CONTROL (TX VCO)
MODULATION
D12
RIPPLE
FILTER
TX VCO
Q6
FRONT-END
LNA
VOLTAGE DC AMP
RF BPF TUNING
MIC AMP AGC DETECTION
D711,712
SWITCH
MIC MUTE
SCRAMBLER
SWITCH
MIC MUTE
SWITCH
TUNING
RF BPF
FRONT-END
NOTCH FILTER
1
1
1
2
2
2
2
3
3
3
3
17
17
17
TX-RX UNIT (X57-7680-XX)