83
SCHEMATIC DIAGRAM
TK-7180H/7182H
7
6
5
4
3
2
1
J
I
H
G
F
X54-348 2/2
Note : The components marked with a dot (
•
) are parts of layer 1.
-t
S[33]
R943
100
S[28]
D916
S[68]
S[65]
S[41]
S[18]
S[33]
C937
0.01u
R955
4.7k
COM[4]
S[3]
1
S1
2
S2
3
S3
4
S4
5
S5
6
S6
7
S7
8
S8
9
S9
10
S10
11
S11
12
S12
13
S13
14
S14
15
S15
16
S16
17
S17
18
S18
19
S19
20
S20
21
S21
22
S22
23
S23
24
S24
25
S25
26
S26
27
S27
28
S28
29
S29
30
S30
31
S31
32
S32
33
S33
34
S34
35
S35
36
S36
37
S37
38
S38
39
S39
40
S40
41
S41
42
S42
43
S43
44
S44
45
S45
46
S46
47
S47
48
S48
49
S49
50
S50
51
S51
52
S52
53
S53
54
S54
55
S55
56
S56
57
S57
58
S58
59
S59
60
S60
61
S61
62
S62
63
S63
64
S64
65
S65
66
S66
67
S67
68
S68
69
S69
70
S70
71
S71
72
S72
73
S73
74
S74
75
S75
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
D927
COM[9]
COM[8]
S[6]
S[36]
S[56]
D921
S[52]
R969
0
S[45]
R939
4.7k
S[73]
S[60]
D912
S[65]
CN902
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
S[31]
COM[5]
S[62]
S[11]
S[20]
S[47]
S[51]
D928
COM[6]
S[2]
S[73]
R971
1k
D914
S[49]
S[44]
S[57]
S[8]
S[38]
S[4]
S[30]
D918
S[53]
S[60]
D913
S[21]
S[69]
COM[1]
S[50]
S[46]
S[38]
COM[4]
COM[2]
S[26]
D922
S[64]
S[5]
S[36]
S[55]
S[63]
S[61]
S[42]
S[13]
S[54]
S[34]
S[74]
C908
1000p
S[59]
S[16]
S[74]
S[55]
Q913
DTC114EE
S[41]
S[35]
S[29]
S[30]
S[35]
COM[8]
S[7]
S[43]
1
COM8_1
2
COM9_1
3
COM1_1
4
COM2_1
5
COM3_1
6
COM4_1
7
COM5_1
8
COM6_1
9
COM7_1
10
COM8_2
11
COM9_2
12
SEG16
13
SEG17
14
SEG18
15
SEG19
16
SEG20
17
SEG21
18
SEG22
19
SEG23
20
SEG24
21
SEG25
22
SEG31
23
SEG32
24
SEG33
25
SEG34
26
SEG35
27
SEG41
28
SEG42
29
SGE43
30
SEG44
31
SEG45
32
SEG51
33
SEG52
34
SEG53
35
SEG54
36
SEG55
37
SEG61
38
SEG62
39
SEG63
40
SEG64
41
SEG65
42
SEG71
43
SEG72
44
SEG73
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
SEG8
80
SEG7
81
SEG6
82
SEG5
83
SEG4
84
SEG3
85
SEG2
86
SEG1
87
COM2_2
88
COM3_2
89
COM4_2
90
COM5_2
91
COM6_2
92
COM7_2
COM[9]
COM[4]
S[44]
S[50]
S[59]
COM[3]
S[34]
S[31]
S[26]
S[14]
S[70]
S[3]
S[2]
S[66]
S[8]
S[37]
L905
D920
S[7]
D915
S[45]
D919
S[48]
S[22]
COM[7]
S[66]
D929
S[75]
S[71]
S[70]
S[4]
S[12]
S[9]
R942
47
D924
S[63]
S[32]
12A02CH
Q909
COM[9]
S[29]
S[51]
S[32]
L907
S[37]
D909
COM[8]
S[72]
S[68]
S[46]
R956
4.7k
S[43]
COM[5]
D923
R957
4.7k
S[58]
S[42]
S[62]
C927
1000p
S[24]
S[1]
C928
1000p
S[19]
R967
270
R958
4.7k
S[47]
D925
C935
470p
S[40]
COM[2]
D926
COM[1]
S[40]
R945 10k
D930
S[57]
S[28]
COM[7]
S[5]
R959
10k
S[10]
D911
S[64]
S[69]
C907
1000p
COM[5]
S[39]
S[1]
R970 10k
S[67]
COM[3]
COM[7]
COM[3]
L906
S[61]
S[6]
S[49]
S[67]
S[27]
S[58]
COM[6]
S[52]
S[54]
S[15]
S[71]
S[53]
S[23]
S[72]
D917
S[9]
S[56]
S[17]
S[25]
COM[2]
D910
COM[6]
S[39]
S[48]
S[75]
S[27]
1
2
TX-RX UNIT (X57-6980-XX)(B/3)-CN429
BACKLIGHT CONTROL SW
5C
SB
PSW
TXD
SB
RXD
5C
NC
LCDCS
SPO
LCDRST
SPO
GND
LCDDT
SPO
PSW
LCDCK
SPO
SPO
GND
SPO
GND
BACKLIGHT
CONTROL
GND
GND
SB
MIC
SW_8C
GND
ME
ME
GND
BLC1
RST
GND
DIMM
TX
GND
PSENS
SHIFT/MODEL
GND
RX
RST2
8C
NC
8C
LCD
B38-0888-15
SGE74
SEG75
SEG70
SEG69
SEG68
SEG67
SEG66
SEG60
SEG59
SEG58
SEG57
SEG56
SEG50
SEG49
SEG48
SEG47
SEG46
SEG40
SEG39
SEG38
SEG37
SEG36
SEG30
SEG29
SEG28
SEG27
SEG26
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
C930
0.01u
C931
4.7u10
Q906
DTC114EE
DIMMER SW
CONTROL
2SC2873(Y)
Q907
DIMMER SW
B30-2281-05
B30-2281-05
B30-2282-05
B30-2281-05
B30-2281-05
B30-2282-05
B30-2282-05
B30-2282-05
CN901
E40-5704-05
SP CONNECTOR
IC903
LC75810T-8726
LCD DRIVER
0.01u
0.01u
0.01u
C934
C933
C932
S76
S77
S78
CoM10/S79
CoM9/S80
CoM8
CoM7
CoM6
CoM5
CoM4
CoM3
CoM2
CoM1
VDD
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VSS
oSC
RES
CE
CL
DI
S1R103J440H
TH901
10k
S[22]
S[20]
S[14]
S[17]
S[19]
S[18]
S[23]
S[11]
S[25]
S[12]
S[24]
S[10]
S[21]
S[16]
S[13]
S[15]
LCD BACKLIGHT
D909-920
D921-930
KEY BACKLIGHT
R949
100
R953
820
R948
100
R952
390
R954
820
R950
100
R951
390
R947
100
7.10V
5.05V
7.79V
7.43V
0V
0.66V
4.62V
7.84V
DISPLAY UNIT (X54-3480-10) : TK-7180H