82
TK-8180H/8182H
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
A
B
C
D
E
X54-348 1/2
R903
0
FKEY[7]
R940
100
R901
1k
C924
10p
R927
1k
CP910
100*2
C911
100p
FKEY[9]
R935
1k
C926
1000p
R918
270
CP909
100*2
L901
1u
FKEY[6]
J901
8
7
6
5
4
3
2
1
R913
470k
R916
470k
L908
C936
0.1u
L902
1u
R904
1k
C938
1000p
R932
1k
Q904
DTC114EE
R962
10k
R920
0
FKEY[10]
CP901
100*2
FKEY[3]
R919
1k
R936
10k
Q901
DTC144EE
L903
C914
100p
FKEY[6]
R928
1k
R931
1k
Q905
DTC114EE
FKEY[8]
C910
100p
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
S17
77
S16
78
S15
79
S14
80
S13
81
S12
82
S11
83
S10
84
S9
85
S8
86
S7
87
S6
88
S5
89
S4
90
S3
91
S2
92
S1
93
NC
94
AVSS
95
NC
96
VREF
97
AVCC
98
NC
99
NC
100
NC
R905
4.7k
CP905
100*2
FKEY[4]
C918
10u10
CP904
100*2
2
3
IN
1
OUT
FKEY[1]
C917
0.1u
CP902
100*2
R929
1k
CP903
100*2
C909
2200p
R917
470
L904
R910
47k
FKEY[5]
FKEY[1]
C921
1000p
CP908
100*2
FKEY[10]
FKEY[4]
CP907
100*2
R909
47k
FKEY[2]
C913
1000p
FKEY[5]
R930
1k
R934
1k
C916
0.1u
R925
470
R944
0
FKEY[2]
FKEY[9]
R926
47k
R941
1k
CP911
100*2
FKEY[3]
R933
1k
R911
47k
C912
1000p
L909
FKEY[8]
CP906
100*2
R914
470k
R963
10k
FKEY[7]
R915
470k
Q902
DTC144EE
R907
33k
C925
10p
BUSY
SB
TX
INDICATION
LED SW
BLC
BUSY
INDICATION
LED SW
E
ME
MIC
SP2
PTT
TX
HK
DISPLAY UNIT (X54-3480-10) : TK-8180H
DM
S
C
B
A
D901
02DZ18(X,Y)
D933
A
VRM1608080MAA
D932
A
VRM1608080MAA
D931
A
VRM1608080MAA
NC
NC
NC
NC
NC
NC
NC
NC
NC
VCC
NC
VSS
NC
NC
NC
NC
NC
NC
NC
NC
S22
S21
S20
S19
S18
NC
RXD2
TXD2
PTT/TXD
NC
DM
NC
NC
HK/RXD
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
POWER
VOLTAGE
PROTECTION
D902
02DZ18(X,Y)
SURGE
PROTECTION
VOLTAGE
PROTECTION
SURGE
PROTECTION
D933
D901
D931,932
D903
MINISMDC020
CURRENT LIMITER
D905
DA204U
SURGE
PROTECTION
D907
B30-2151-05
TX/BUSY
INDICATION
RST
LCDRST
LCDCS
SW_8C
8C
PSW
ME
RX
DIMM
BLC1
SB
5C
LCDCK
TX
LCDDT
C920
100p
C922
0.01u
IC902
30302M88Z7GU
MICROPROCESSOR
HOOK SW
Q901,902
Q911
DTC114EE
8C SW
CONTROL
X901
L77-1956-05
IC901
TA78L05F
COM
VOLTAGE
REGULATOR/5V
8C SW 12A02CH
Q910
NC
NC
NC
NC
SHIFT
BYTE
CNVSS
NC
NC
RST
Xout
VSS
Xin
VCC
NMI
BLC2
BLC1
DIMM
LEDG
LEDR
NC
LCDCK
LCDDT
LCDCS
LCDRST
T:0.01V
R:5.02V
5.03V
T:4.80V
R:0.01V
7.10V
0.01V
5.02V
R:0.01V
BUSY:4.83V
4.61V
13.3V
4.97V
5.05V
5.04V
7.84V
7.84V
7.84V