42
TK-8302/8302H
SCHEMATIC DIAGRAM
X57-768 1/6
7
6
5
4
3
2
1
A
B
C
D
E
1.59V
0.65V
3.28V
1.47V
3.21V
1.90V
4.19V
R : 8.65V
R : 2.15V
R : 246V
R : 0.90V
R : 8.24V
R : 0.73V
4.92V
N : 0V
W : 4.96V
W : 0V
N : 4.96V
7.54V
8.54V
0.73V
2nd LO 38.4MHz
10p
1.2k
47p
330k
0.01u
220k
R545
Q500
2SC5108(Y)F
18p
C501
L502
C503
L503
C505
30p
560n
C508
27p
SSM3J05FU-F
0.1u
C22 10u
C17
0.1u
10
MB15E03SL-E1
47k
2
1
C2
X1
TCXO
L77-3055-05
oUTPUT
VCoNT
GND
3
4
VCC
R8
1.5k
C15
8p
4.7u
R73
0
C10 0.1u
L2
R10
KTC4075E(Y,GR)
R955
C928
C917 20p
Q729
56k
560
1000p
R956
C927
0.1u
IC1
C41
R26
R68
470p
C32
R500
VEE
19.2MHz
0
C5
470p
3
2
4
C500
6
5
R20
1k
R23
22k
C37
470p
BD7542FVM
CN1
CN3
LV
1
7
8
100p
IC2
VCC
0
C504
470n
L501
R501
C506
R502
100
0.01u
33p
15k
C509
R65
10k
C95
R893
0
2.2M
R83
1k
C48
Q11
0.1u
0.01u
470p
0.1u
C940
C18 0.1u
C16 1u
0.1u
C24
10u
L3
C27
D1
R12
10
0.1u
10u
1SS389-F
C26
C939
PS
Do
0
R75
R76
0
C23
3
R
P
2
1
oSCIN
oSCoUT
LD/FoUT
ZC
VP
5
VCC
4
C941
470p
470p
R74
D
ATA
LE
8
7
6
XFIN
GND
CLoCK
FIN
0
47k
R15
C102
1000p
3.5p
56
0
15n
2p
2p
15n
3.5p
R973
10
PLCK
PLDT
PLLE
C4
C7
R6 1k
R5 1k
C11
C8
100p
R7 1k
C14
100p
100p
14
15
16
R972
12
13
1k
9
10
11
R25
0
C43
0.1u35
1k
0
1.8k
C49
2.7k
1.5u16
0
0.047u35
0.047u35
Q12
2SK1830F
R33
R28
0
R36
C46
R29 180
0
2SC5108(Y)F
R27
Q3
L4
R69
0
R37
10k
2p
R938
C33
L39
R81
C933
C98
C28
5p
R971
C35
L705
C936
150k
470p
0
C36
R30
R21
R35
C29
R22
C45
R34
C34
R31
R32
330n
560p
IC500
TA31136FNG
1
2
3
4
5
6
7
8
oSCIN
oSCoUT
MIXoUT
VCC
IFIN
DEC
FILoUT
FILIN
16
15
14
13
12
11
10
9
MIXIN
GND
N-REC
N-DET
RSSI
IFoUT
QUAD
AFoUT
0.1u
C522 0.1u
C523 0.1u
0.1u
C510
10k
R503
10k
R505
0.1u
C512
0.1u
C514
10k
R507
0.1u
C515
270p
C518
390k
R513
270p
C520
2.7k
R510
390k
R511
2.7k
R512
1000p
C524
4.7u
C525
1000p
C526
4.7k
R515
0
R517
0.01u
C529
2.7k
R520
3.9k
R519
68p
C527
0.1u
C530
470p
C531
33p
C528
10u
C519
0.01u
C517
10k
R508
10k
R506
10k
R504
0.1u
C511
0.1u
C513
470p
C516
10
R509
CF500
CF501
MC2858
D500
D501
MC2858
WIDE
NARROW
CN500
C521
CD500
RT1P441U
Q501
RT1N441U
Q507
MCF
38.85MHz
XF500
Q502
2SC5108(Y)F
220k
R527
0
R528
0.01u
C541
390
R530
1p
C543
0
R525
18p
C545
390
R534
0.01u
C550
0.01u
C538
470p
C535
100
R524
0
R522
470n
L505
470n
L506
47
R539
0.01u
C557
470p
C558
470p
C560
0.01u
C562
150
R547
150k
R549
27
R550
470p
C565
470p
C555
0.1u
C553
15p
C556
470p
C559
680k
R546
470p
C563
390k
R548
470p
C564
3SK318
Q504
CN503
CN505
Q511
KTC4075E(Y,GR)
RT1N441U
Q510
220k
TH501
-t
0
R531
0
R533
0.33u
C551
100k
R537
82k
R543
82k
R544
82k
R590
0
R591
SQIN
CN501
RSSI
CN502
3.3M
3.3C
3.3C
5C
9R
9R
9CL
UL
5C
3.3C
9C
WIDE
ASTSW
SQIN
3.3C
PLPS
100p
100p
5C
RSSI
NARROW
CV
9CL
ASTC
DISC
FREQ
9R
5C
3.3C
IC
PLL
PLL
FIN AMP
DETECTION
PLL UNLOCK
D1
CLOCK AMP
PLL IC
Q729
ASSIST FILTER
CONTROL SWITCH
ASSIST FILTER
RX 2nd LOCAL
DOUBLER AMP
MIXER
RX 1st
IF AMP
W/N CF
SWITCH
D500,501
SQUELCH
INPUT SWITCH
INPUT CONTROL
SQUELCH
SWITCH
CONTROL
SWITCH
DISCRIMINATOR
Q501,507
FM IC
Q11,12
+
+
+
+
TX-RX UNIT (X57-7680-XX)
1
1
1
1
2
2