64
TK-8180/8189
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
A
B
C
D
E
X41-368 1/1, X54-348 1/2
R907
33k
CP901
100*2
L909
FKEY[1]
C916
0.1u
D905
DA204U
R925
470
C910
100p
FKEY[7]
C926
1000p
C921
1000p
R919
1k
FKEY[4]
C938
1000p
FKEY[5]
C911
100p
C913
1000p
C918
10u10
CP906
100*2
C920
100p
FKEY[3]
FKEY[6]
L901
1u
C924
10p
R918
270
FKEY[2]
CP908
100*2
Q904
DTC114EE
CP907
100*2
L904
2
COM
3
IN
1
OUT
R944
0
R920
0
R962
10k
J901
8
7
6
5
4
3
2
1
L902
1u
D902
02DZ18(X,Y)
C917
0.1u
R904
1k
Q902
DTC144EE
R903
0
C925
10p
CP905
100*2
L908
CP910
100*2
R917
470
12A02CH
Q910
Q905
DTC114EE
C922
0.01u
CP903
100*2
Q901
DTC144EE
R911
47k
R963
10k
CP904
100*2
CP911
100*2
CP902
100*2
C914
100p
R901
1k
L903
FKEY[8]
R905
4.7k
CP909
100*2
D2
B30-2282-05
D1
3
R1
330
Q3
DTC114EE
5
R2
330
D4
9
CN1
E40-5719-05
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
R3
560
7
4
D3
0
D5
B30-2282-05
6
C1
1000p
2
R4
47k
D6
1
R910
47k
R909
47k
CN903
*
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12KEY[12]
12KEY[11]
12KEY[10]
12KEY[9]
12KEY[8]
12KEY[7]
12KEY[6]
12KEY[5]
12KEY[4]
12KEY[3]
12KEY[2]
12KEY[1]
1
NC
2
NC
3
NC
4
NC
5
SHIFT
6
BYTE
7
CNVSS
8
NC
9
NC
10
RST
11
Xout
12
VSS
13
Xin
14
VCC
15
NMI
16
BLC2
17
BLC1
18
DIMM
19
LEDG
20
LEDR
21
NC
22
LCDCK
23
LCDDT
24
LCDCS
25
LCDRST
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
C936
0.1u
C912
1000p
D931
A
VRM1608080MAA
C909
2200p
D901
02DZ18(X,Y)
D933
A
VRM1608080MAA
D932
A
VRM1608080MAA
RX
TX
BUSY
TX
PTT
SP2
MIC
ME
E
BUSY
INDICATION
LED SW
BLC
TX
INDICATION
LED SW
SB
DM
DISPLAY UNIT (X54-348X-XX)
VOLTAGE
REGULATOR/5V
VOLTAGE
PROTECTION
HK
SWITCH UNIT (X41-3682-70) :TK-8189
BLC SW
CONTROL
0-10
2-71
X54-348X-XX
SURGE
PROTECTION
A
B
C
S
FKEY[9]
FKEY[10]
12KEY[11]
12KEY[12]
12KEY[9]
12KEY[10]
12KEY[5]
12KEY[6]
12KEY[8]
12KEY[1]
12KEY[7]
12KEY[2]
12KEY[3]
12KEY[4]
12KEY[9]
12KEY[4]
12KEY[12]
12KEY[1]
12KEY[3]
12KEY[8]
GND
12KEY[11]
12KEY[7]
SB
12KEY[6]
12KEY[10]
12KEY[5]
BLC
12KEY[2]
KEY BACKLIGHT
D1-6
2SC2873(Y)
Q1
VOLTAGE
REGULATOR/8.4V
Q2
DTC114EE
BLC SW
D7
02CZ9.1(X,Y)
VOLTAGE
PROTECTION
FKEY[8]
FKEY[9]
FKEY[10]
FKEY[3]
FKEY[2]
FKEY[4]
FKEY[5]
FKEY[6]
FKEY[7]
FKEY[1]
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
SB
8C
RST
ME
PSW
BLC1
DIMM
SW_8C
LCDCS
LCDRST
LCDDT
LCDCK
5C
D907
B30-2151-05
TX/BUSY
INDICATION
POWER
IC901
TA78L05F
Q911
DTC114EE
8C SW
CONTROL
8C SW
Q901,902
HOOK SW
X901
L77-1956-05
R931
R926
R933
R927
R936
R916
R930
R915
R934
R928
R929
R940
R941
R932
R913
R935
R914
E40-5719-05
NO
CN903
VOLTAGE
PROTECTION
D931,932
SURGE
PROTECTION
D901
D933
SURGE
PROTECTION
D903
MINISMDC020
CURRENT LIMITER
NC
RXD2
TXD2
PTT/TXD
NC
DM
NC
NC
HK/RXD
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
TP1
NC
NC
NC
NC
NC
IC902
MICROPROCESSOR
30302M88Z7GU
TK-8189
TK-8180
4.61V
5.02V
7.84V
7.10V
7.84V
7.84V
5.05V
4.97V
R:0.01V
BUSY:4.83V
5.03V
T:0.01V
R:5.02V
0.01V
13.3V
T:4.80V
R:0.01V
8.4V
1k
47k
1k
1k
10k
470k
1k
470k
1k
1k
1k
100
1k
1k
470k
1k
470k
5.04V