A B C D E F G H I J K L M N O P Q R S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
D2
OPT
LOK
RXEMAI
RXD
AUXRXD
SB
SQ
D1
5C
AAC
RXWMAO
TXD
AUXTXD
AUDIOBEEP
MONI
LAMP
DEO
DI9
RXAO
RXAI
PTTOUT
TXAO
PTTIN
TXAI/MUTE
DI/ANI
RSSI B
VC
ANT
R419
R420 R4
R5
R7
R98
R86
R57
R11
R32
C58
C75
CF1
C79
R13 R422
R148
R3
C197
C195 X2
C92
C80 C15
C60
R161
C123
C111
C112
C100
C196
C18
CN2
4
1
1
4 5
8
R87
R6
R164
1
1213
24
R423
R157
R122
R147
R250
C138
D18
D17
C188
C189
C190
C199
CF2
R40
C61
C68
C8
C7 C16
IC2
1
34
5
C22
C19
R10
Q 5
R51
CD1
R417 R14
R59
R162
C26
C56
R56
C53
R99
C156
C155
R129
R136
L27 R137
R156
C3
C2
C1
R128
R127
C154
C175
C169
L32
L28
D9
D10
C167
C134
C168
C176 C143
C163
D6
L4
R21
R54
R16
L1
R12
R8
R9
C107
C9
C5
C28
C37
IC14
1
3 4
6
IC10
IC4
C6
IC1
R88
C120
C191
C200
C201
MON
LAMP
PTT
GND
C11
Q7
Q22
+
+
D
D
G
G
S
S
C109
C10
C263
+
+
1
4
45
81
IC845
81
5
8
IC3
+
CN3
F1
CN10
R25
R23
+
C62
R49
C55
XF1
L20
L11
+L25 C160
C173
C174
C40
C166
IC30
1 2 3 4
D7 L30 L31
L29 CN1
R2
R1
R17
C4
C12
IC5
R103
+
D2 O
G
I
1
10
EN1
E
EN2
E
VOL
5M
SB
SB
+B
+B
1
24
SB
MIC
ME
LBL
LG
LR
AUX
PTT
NC
CS
AM
5M
GND
KI2
KI1
KRS
DT
TXD
RXD
CK
PF
NC
AFE
AF
J72-0812-02
C13
C38
C30C31
IC6
C20
CN12
CN4
CN11
Q4
Q14
Q13
D 4
D5 Q6
R36
R130
R132 R133
R135
R101
R170 R169
R167
R168
R158
CN5
R151
R96
R94
R100
R91
C198
C135
C99
C133 C125
C127
C122
C209
C208
R141 R15
R142
R115
R108
R109
R117
R152
R102
R155
R97
R22
R24
R26
R171 R163
R160
R126
R20
R28
C46
C50
C47
C86
C96
C97
C126
C121C114
C207
C158
C162
C148
C262
C115
C144
L35
R93
L17
R113
R154
C153
C150 L23
L24
C145
C140
C142
C151
C187
C108
C118
C183
C180
C104
C178
C117
C116
C179
C73
C67
C76
C77
C82
C83
C85
C89
C103
C102 C101
CN9
L16
C90
L54
C66
D1
C105
C185
C186
Q8
Q3
Q23
Q21
Q16
C52
C98
C87
C141
R121
R259
R118
R67
R111
R107
R200
C206
CP20
CP22
CP19
CP18
CP17
CP16
CP13
CP12
CP11
CP14 CP15
IC19
1
89
16
IC18
IC16
1
1
8
8
9
4 5
16
CN8
R77
R35
R53
R46
R45
R47
R48
R50
R63
R74
R84
R82
R120
R211
R149
R218
CP3
CP5
R418
R248 L26
CN7
C95
C88
C69
C44
C24
C204
IC23
1
3 4
5
D3
D11
C43
C59
R85
R31
IC11
1
1011
20
C192
C194
C131 C137
C202
C36
C27
C42
C33
R140
R37
C17
C21
C29
C25
C34
L18
L9 L6
L7
IC7
1
34
6
+
O
I
G
R134
R146
R165
R143
R114
R153
R65
R62
R105
R145
R144
R131
C165
C172
C152
C164
C170
C171
C149
C136
C91
C94
C78
C81
C63
C84
C146
C193
C110
C161
C132
C139
C129
Q15
Q18
IC21 1
45
8
D
G
S
DG
S
D
G
S
D
G
S
D
G
S
Q2
Q 11
Q1
Q9
Q20
Q17
Q10
+
L19
L14
L15
R76
D
SG1
G2
S
D
G2
G1
R60
R27
Q12
E
C
B
L21
L34
L10
R38
R83
R75 R78
R69
R70
R42
R159
R166
R43
R39
R90
R79
R92
R95
R72
R68
C177
C182
C181
C130
C119
C184
C128
+
+
+
+
+
+
+
C57
L8
L5
L12
D12
L13
C14
CN6
C35
C48 C49
C45
C32C39C54
R41
C51 R18
R29R34
R19
R33
IC9
Q19
1
8 9
16
L3
X1
IC13
1
7 8
14
X3
C124C113
C106
R89
CP1
L55
L56
C72
C70
C23
C93
C74
C64
C203
C65
C71
R55
R61
R64
R66
R71
R73
R80
R44
R58
TH2
D8
C41
R106
R110R112
C159
+
IC12
111
12
22
23 3334
44
R81
R276
R421
IC17
L22 L53
R408
C261
1
16 17
32 CP21
R150
CP10
CP9
CP8
CP7
CP6
CP24
R297
R298
R125
R124
R123
R201
R202
R203
R204
R205
R206
R207
R139
R116
C147
IC15
125
26
50
51 75
76
100
C205
R138
R104
C157 X4
Ref No. Address
 IC1 4H
 IC2 8R
 IC3 7F
 IC4 5G
 IC5 9S
 IC6 6R
 IC7 7R
 IC8 7I
 IC9 9K
 IC10 7I
 IC11 5J
 IC12 6F
 IC13 3H
 IC14 6K
 IC15 7C
TK-480/481 PC BOARD VIEW

51 52

TX-RX UNIT (X57-5630-XX) -10 : TK-480 -11 : TK-481 Component side view + Foil side

Component side
Foil side
Pattern 1
Pattern 2
Pattern 3
Pattern 4
Pattern 5
Pattern 6
Connect 1 and 6
Ref No. Address
 IC16 3B
 IC17 5C
 IC18 3C
 IC19 3D
 IC21 5P
 IC23 9H
 IC30 3O
 Q1 7O
 Q2 7O
 Q3 7K
 Q4 6Q
 Q5 9L
 Q6 8N
 Q7 5F
 Q8 6L
Ref No. Address
 Q9 7P
 Q10 7M
 Q11 6N
 Q12 5N
 Q13 5N
 Q14 6P
 Q15 5O
 Q16 8F
 Q17 7N
 Q18 6O
 Q19 8J
 Q20 7O
 Q21 7J
 Q22 6F
 Q23 8L
Ref No. Address
 D1 6I
 D2 9R
 D3 8I
 D4 7O
 D5 7N
 D6 5M
 D7 5P
 D8 8H
 D9 6Q
 D10 6R
 D11 9F
 D12 6K
 D17 9G
 D18 9F
NJM2904V M62364FP TA75W02FU
TC75W51FU TDA7053AT
RN5VL42C
TA75S01F TA31136FN LC73872M