84
TK-8180H/8182H
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
A
B
C
D
E
X54-354 1/2
C917
10u10
R901
470
R902
0
2
VSS
3
VIN
1
VOUT
D931
A
VRM1608080MAA
[B]
L903
L906
R935
0
BUSY
TX
R915
4.7k
C906
1000p
C908
100p
C909
100p
L908
D932
A
VRM1608080MAA
J901
E08-0877-05
1
SP2
5
2
6
3
7
4
8
[C]
[A]
R936
0
L902
1u
L905
R918
270
R907
10k
R934
0
R932
0
C924
1000p
Q905
DTC114EE
L904
R914
4.7k
R908
2.2k
R913
4.7k
R912
4.7k
[S]
Q904
DTC114EE
R906
2.2k
D906
DA204U
C925
1000p
R933
0
POWER
D933
A
VRM1608080MAA
L907
Q906
DTC114EE
L909
R904
4.7k
1
GREEN
2
RED
3
BLC
4
DIMM
5
SEG5
6
SEG6
7
SEG7
8
SEG8
9
SEG9
10
SEG10
11
SEG11
12
SEG12
13
SEG13
14
SEG14
15
SEG15
16
SEG16
17
SEG17
18
SEG18
19
SEG19
20
SEG20
21
SEG21
22
SEG22
23
SEG23
24
SEG24
25
SEG25
26
SEG26
27
SEG27
28
SEG28
29
SEG29
30
SEG30
31
SEG31
32
SEG32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
KS6
50
KI1
51
KI2
52
KI3
53
KI4
54
KI5
55
(TEST)
56
VDD
57
VDD1
58
VDD2
59
VSS
60
OSC
61
DO
62
CE
63
CL
64
DI
C916
0.1u
C918
0.1u
R917
470
C915
1000p
R911
4.7k
R909
10k
L901
1u
R905
33k
C905
100p
R903
1k
C910
100p
C904
0.1u
R910
10k
VOLTAGE
PROTECTION
8C SW
CONTROL
VOLTAGE
REGULATOR/5V
BUSY
INDICATION
LED SW
TX
INDICATION
LED SW
DISPLAY UNIT (X54-3540-10) : TK-8182H
IC902
LC75854W
LCD DRIVER
Q901,903
HOOK SW
SEG[17]
SEG[18]
SEG[19]
SEG[20]
SEG[21]
SEG[22]
SEG[23]
SEG[24]
SEG[25]
SEG[26]
SEG[27]
SEG[28]
SEG[29]
SEG[30]
SEG[31]
SEG[32]
SEG[33]
SEG[34]
SEG[35]
SEG[36]
SEG[37]
SEG[38]
COM[4]
COM[3]
COM[2]
COM[1]
SEG[5]
SEG[6]
SEG[7]
SEG[8]
SEG[9]
SEG[10]
SEG[11]
SEG[12]
SEG[13]
SEG[14]
SEG[15]
SEG[16]
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
(SEG39)
COM1
COM2
COM3
COM4
(KS1)
(KS2)
(KS3)
(KS4)
KS5
DM
HK
MIC
ME
PTT
E
SB
BLC
[Right Down]
[Right Up]
[Left Up]
[Left Down]
C920
0.01u
C919 4.7u10
C921
0.01u
C922
0.01u
12A02CH
Q902
8C SW
D908
B30-2151-05
TX/BUSY
INDICATION
Q901
DTC144EE
Q903
DTC144EE
SURGE
PROTECTION
D903
MINISMDC020
D904
1SS388
CURRENT
LIMITER
ISOLATOR
D902
02DZ18(X,Y)
C913
1000p
C912
1000p
C914
1000p
C911
1000p
R916
56k
C923
680p
IC901
XC6201P502PR
MIC
ME
DM
TXD
SB
RXD
LCDDO
DIMM
LCDCS
LCDDI
PTT
LCDCLK
PSW
8C
BLC
D931-933
SURGE
PROTECTION
R:0V
BUSY:4.9V
R:0V
T:4.9V
7.8V
4.9V
5.0V
7.9V