Kenwood TK-8180 Series Service Manual page 68

F
DISPLAY UNIT (X54-348X-XX)
LCD
B38-0888-15
7.43V
L905
L906
C933
0.01u
C934
0.01u
C932
0.01u
RX
L907
TX
LCDRST
LCDCS
LCDCK
LCDDT
5C
RST
SW_8C
ME
PSW
SB
8C
BLC1
DIMM
X54-348X-XX CN901
0-10 TK-8180 E40-5704-05
2-71 TK-8189 NO
G
SCHEMATIC DIAGRAM
76
S76
77
S77
78
S78
79
CoM10/S79
80
COM[9] CoM9/S80
81
COM[8] CoM8
82
COM[7] CoM7
83
COM[6] CoM6
84
COM[5] CoM5
85
COM[4] CoM4
86
COM[3] CoM3
87
COM[2] CoM2
88
5.05V
COM[1] CoM1
89
VDD
90
VLCD
91
VLCD0
92
VLCD1
93
VLCD2
94
VLCD3
95
VSS
96
oSC
97
RES
R959 10k
98
CE
C935 470p 99
CL
100
C937 0.01u
DI
7.84V
DIMMER SW
Q907
7.10V
2SC2873(Y)
R942
0.66V
47
4.62V
0V
R943
100
Q906
DTC114EE
DIMMER SW
BACKLIGHT
CONTROL
CONTROL
Note : The components marked with a dot (
H
LCD DRIVER
IC903
LC75810T-8726
BACKLIGHT CONTROL SW
D909-920
Q909 7.79V
LCD BACKLIGHT KEY BACKLIGHT
12A02CH
Q913
DTC114EE
I
TK-8180/8189
50
S50 S[50]
49
S49 S[49]
48
S48 S[48]
47
S47 S[47]
46
S46 S[46]
45
S45 S[45]
44
S44 S[44]
43
S43 S[43]
42
S42 S[42]
41
S41 S[41]
40
S40 S[40]
39
S39 S[39]
38
S38 S[38]
37
S37 S[37]
36
S36 S[36]
35
S35 S[35]
34
S34 S[34]
33
S33 S[33]
32
S32 S[32]
31
S31 S[31]
30
S30 S[30]
29
S29 S[29]
28
S28 S[28]
27
S27 S[27]
26
S26 S[26]
GND 30
GND
29
RXD 28
TXD 27
5C
26
NC 25
SHIFT/MODEL
24
GND
23
GND 22
GND 21
GND
20
RST2 19
PSENS
18
GND 17
ME 16
MIC
15
GND 14
GND 13
PSW
12
NC 11
SB
10
SB
9
8C 8
GND 7
D921-930
SPO SPO
6
SPO SPO 5
SPO SPO
4
SPO SPO
3
SPO SPO 2
SPO SPO
1
1
2
•
) are parts of layer 1.
J
1
2
3
4
CN902
5
6
* CN901
SP CONNECTOR
7
65
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