85
SCHEMATIC DIAGRAM
TK-7180H/7182H
7
6
5
4
3
2
1
J
I
H
G
F
X54-354 2/2
Note : The components marked with a dot (
•
) are parts of layer 1.
D910
D930
SEG10
D923
COM1
R927
100
C901
1000p
SEG16
SEG28
SEG32
SEG15
SEG24
SEG11
D913
COM2
SEG3
12A02CH
Q908
CN901
E40-5704-05
1
GND
2
SPO
SEG25
SEG29
SEG21
SEG33
SEG26
D915
SEG1
SEG2
D918
SEG12
SEG7
SEG30
D925
SEG27
R921
470k
COM4
SEG20
D927
R924
100
SEG4
SEG14
D919
R930
820
1
2
3
4
5
D914
SEG22
R925
100
SEG13
R920
10k
D924
D929
SEG17
SEG23
R919
10k
R923
100
SEG19
D922
R929
390
D926
D917
SEG6
D921
COM3
R926
100
D909
SEG18
R922
100
D928
D911
R931
820
D920
SEG5
D912
R928
390
SEG9
SEG8
SEG31
SEG34
D916
TX-RX UNIT (X57-6980-XX)(B/3)-CN429
BACKLIGHT SW
LCD (B38-0915-05)
TXD
DM
SB
RXD
PSW
8C
MIC
ME
PTT
LCDCS
LCDCLK
LCDDI
LCDDO
DIMM
BLC
COM[3]
COM[4]
SEG[15]
SEG[6]
SEG[7]
SEG[9]
SEG[8]
SEG[10]
SEG[5]
SEG[13]
SEG[11]
SEG[16]
SEG[12]
SEG[14]
SEG[18]
SEG[19]
SEG[20]
SEG[21]
SEG[17]
SEG[25]
SEG[26]
SEG[27]
SEG[28]
SEG[22]
SEG[29]
SEG[30]
SEG[31]
SEG[23]
SEG[32]
SEG[24]
SEG[36]
SEG[37]
SEG[38]
SEG[33]
SEG[34]
SEG[35]
COM[2]
COM[1]
26
25
24
27
28
29
30
CN902
E40-6372-05
SPO
SPO
SPO
SPO
SPO
TXD
RXD
GND
DM
22
LCDDO
23
GND
21
LCDDI
20
LCDCLK
19
LCDCS
18
PTT
17
GND
16
ME
15
MIC
14
GND
13
GND
12
PSW
11
NC
10
SB
9
SB
8
8C
7
GND
6
SPO
B30-2282-05
B30-2282-05
B30-2281-05
B30-2281-05
B30-2282-05
B30-2281-05
B30-2282-05
B30-2281-05
2SK2009
Q909
DIMMER SW
Q907
DTC114EE
BACKLIGHT
SW CONTROL
D921-930
KEY BACKLIGHT
LCD BACKLIGHT
D909-920
NC
NC
NC
7.8V
5.0V
5.0V
7.9V
13.6V
DISPLAY UNIT (X54-3540-10) : TK-7182H