87
SCHEMATIC DIAGRAM
TK-8180H/8182H
J
I
H
G
F
X57-699 2/10
D
D
D
D
D
D
D
C423
1u
R439
0
R462
*
R482
47k
470k
LCDDI
R478
470k
AI04
AI01
RXD1INT
R428
0
AIO9
D417
1SS388
AFRTM
C412
0.1u
R460
*
DTRLO
A
D
AFDIR
L404
R467
0
PSW
R416
0
AI06
DM
T/R
TXD1
CP411
1k
R427
1k
RD
D1
47k
R412
470k
AIO5
L405
A18
470k
R468
47k
A12
D2
R476
47k
RSSI
470k
A13
A11
R435
1k
5C
R469
1k
CP404
1k
R511
1.5k
A11
PCK
L406
CP417
1k
A5
UL
RXD2
D4
A17
R455
470
A14
R441
1k
CP414
1k
L403
D5
CP412
1k
TXD2
OPT5
TXD
L407
CP402
1k
R431
0
A6
R430
470
PSENS
D423
1SS388
R471
1k
R414
10k
A2
CP409
1k
D418
1SS388
AI02
D7
R444
1k
H/L
D6
AI07
CP407
1k
R433
*
OPT1
R437
0
R452
1k
AI08
R525
1.5k
A8
AFD
A
T
R407
10k
A9
CP415
1k
CP406
1k
A3
R423
0
L401
CP408
1k
A0
R426
1k
D3
470k
R429
470
470k
RXD
CP403
1k
D0
AM2
ASQ
CS0
L402
R481
470k
R448
1k
R450
1k
R477
470k
470k
R432
1k
*
1
VREF
2
AVCC
3
SBC
4
RXC
5
TXC
6
PC
7
HSDO
8
STSW
9
RTCL/EEPCL
10
HSDIN
11
DM
12
RTDT/EEPDAT
13
BYTE
14
CVCSS
15
DMUTE
16
AM2
17
RST
18
XOUT
19
DGND
20
XIN
21
VCC1
22
NMI
23
PSW
24
INT
25
INTRA
26
SHIFT/MODEL
27
BEEP
28
SPSTB
29
SOE
30
AI05
31
AI09
32
DSTB
33
LSDO
34
RXD2
35
TXD2
36
TXD1
37
VCC1
38
RXD1
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
CP410
1k
TCLK/DTRDO
R443
1k
A1
AFDIO
470k
AFSTD
A4
R456
470
A15
AI03
W/N
CP405
1k
THP
R410
10k
RST2
R472
1k
1k
OPT4
CP416
1k
R479
*
PLE
PC
R480
*
RXD1EXT
DMUTE
OPT3
A16
5M
LCDDO
LCDCLK
R442
1k
R440
1k
R463
*
R466
47k
OPT2
R434
*
CP413
1k
A7
R464
*
WR
R454
1k
SCSW
INTRA
RTCL/EEPCL
RTDT/EEPDAT
VOLTAGE
PROTECTION
RXC
DSTB
ME
LSDIN
XOUT
BEEP
XIN
RST
CK
5M
5M
SBC
INT
TXC
OPT6
CK
D423
SOE
SPSTB
5M
HSDIN
HSDO
MIC
DT
DT
IGN
SHIFT/MODEL
C447
0.033u
C464
0.033u
DGND
MM1
PSENS/PTT
TXD
RXD/HOOK
AFD
A
T
AFDIO
AFDIR
DTRLO
AD
AFSTD
LSW
RD
Y
NC
HOLD
NC
AI04
AI03
AI02
AI01
NC
RD
NC
WR
AI08
AI07
AI06
LCDDO
LCDCLK
RST2/LCDCS
CS0
NC
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
UL
PLE
PCK
NC
OPT6
VCC2
A8
DGND
A7
A6
A5
A4
A3
A2
A1
A0
IGN
AFRTM
TCLK/DTRDO
MM2
T/R
AM1
EMTON
LCDDI
D7
D6
D5
D4
D3
D2
D1
D0
DT
CK
W/N
OPT1
OPT2
OPT3
OPT4
OPT5
H/L
THP
NC
NC
ASQ
RSSI
NC
A
GND
LSDIN
ISOLATOR
D417,418
DT
MM2
AM1
DSTB
RXC
MM1
HSDIN
LSW
MIC
BEEP
LSDO
ME
CK
STSW
OPT6
LSDIN
EMTON
HSDO
SCSW
IC404
MICROPROCESSOR
1k
R415
470k
R425
R424
0
R658
R418
R420
R411
R406
R657
R405
R421
R422
R419
47k
330k
470k
470k
4.7k
470k
47k
47k
47k
R461
R457
R459
R451
R458
R447
R453
R449
R465
R470
47k
1k
4.989V
4.987V
TX-RX UNIT (X57-6990-XX) (B/3)