87
SCHEMATIC DIAGRAM
TK-7180H/7182H
J
I
H
G
F
X57-698 2/10
D
D
D
D
D
D
D
R475
470k
PSW
R463
*
PCK
R474
470k
A6
H/L
D5
R456
470
TCLK/DTRDO
AIO9
R525
1.5k
C464
0.033u
C412
0.1u
R422
47k
R481
470k
CP415
1k
PC
AFDIO
W/N
R420
330k
A14
D4
R466
0
R407
10k
TXD1
A17
CP410
1k
R428
0
D3
LCDDI
R448
1k
A7
R464
*
CP407
1k
C423
1u
CP413
1k
CP409
1k
R418
47k
A8
R444
1k
R462
*
A1
A2
A15
5C
A9
DTRLO
AD
CP416
1k
R455
470
ASQ
CS0
R454
1k
AI04
RXD1EXT
D7
A11
R452
1k
R423
0
L404
AI08
R467
0
R469
1k
RXD2
AI02
AFRTM
R451
470k
OPT1
L401
DMUTE
R479
*
R459
470k
R450
1k
R816
47k
R453
470k
CP414
1k
R511
1.5k
RD
*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
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
A3
L403
AM2
R449
470k
AFD
A
T
A0
CP411
1k
LCDDO
R461
470k
R476
470k
L402
LCDCLK
D6
R406
470k
CP408
1k
R443
1k
OPT4
R411
470k
C413
1000p
L407
AI06
D417
1SS388
OPT2
R480
*
R429
470
5M
R465
47k
R471
1k
OPT5
TXD2
C447
0.033u
RXD
D418
1SS388
OPT3
TXD
R412
470k
WR
CP405
1k
R432
1k
A4
A16
R410
10k
PLE
RSSI
R421
47k
T/R
AI03
D2
R468
47k
AI07
D423
1SS388
RXD1INT
A12
CP404
1k
R419
47k
R657
4.7k
R427
1k
R414
10k
AIO5
AI01
R447
470k
R441
1k
D1
A18
D0
A5
R442
1k
CP406
1k
R460
*
R470
1k
R458
470k
R426
1k
A13
R430
470
R405
470k
CP403
1k
L406
A11
R473
47k
UL
R472
1k
THP
CP412
1k
AFDIR
R433
*
L405
DM
CP417
1k
AFSTD
CP402
1k
R457
47k
R482
47k
R434
*
RST2
PSENS
D423
LSDIN
SPSTB
RXC
MIC
DT
CK
IGN
RTDT/EEPDAT
SCSW
XIN
DSTB
SOE
5M
5M
SBC
ME
HSDO
5M
CK
TXC
DT
BEEP
HSDIN
RST
SHIFT/MODEL
RTCL/EEPCL
OPT6
INT
XOUT
INTRA
IC404
MICROPROCESSOR
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
DSTB
MM2
AM1
DT
HSDIN
SCSW
BEEP
MIC
STSW
LSW
OPT6
ME
MM1
RXC
EMTON
LSDO
CK
LSDIN
HSDO
D417,418
ISOLATOR
R425
1k
R424
1k
R658
0
VREF
AVCC
SBC
RXC
TXC
PC
HSDO
STSW
RTCL/EEPCL
HSDIN
DM
RTDTEEPDAT
BYTE
CNVSS
DMUTE
AM2
RST
XOUT
DGND
XIN
VCC1
NMI
PSW
INT
INTRA
SHIFT/MODEL
BEEP
SPSTB
SOE
AIO5
AIO9
DSTB
LSDO
RXD2
TXD2
TXD1
VCC1
RXD1
R431
0
R439
R437
R435
R440
0
0
1k
1k
DGND
MM1
PSENS/PTT
TXD
RXD/HOOK
AFD
A
T
AFDIO
AFDIR
DTRLO
AD
AFSTD
LSW
RD
Y
NC
HOLD
NC
AI04
AIO3
AIO2
AIO1
NC
RD
NC
WR
AIO8
AIO7
AIO6
VOLTAGE
PROTECTION
4.99V
4.99V
TX-RX UNIT (X57-6980-XX) (B/3)