Kenwood TK-7180H Service Manual page 91

F
DISPLAY UNIT (X54-3540-10) : TK-7182H
LCD (B38-0915-05)
BACKLIGHT SW
Q908
12A02CH
BACKLIGHT
SW CONTROL
Q907
DTC114EE
BLC
5.0V
DIMMER SW
R922
Q909
100
2SK2009
DIMM
5.0V
LCDDO
LCDDI
LCDCLK
LCDCS
PTT
8C
PSW
RXD
DM
MIC
TXD
ME
SB
Note : The components marked with a dot (
G
SCHEMATIC DIAGRAM
7.8V
D909-920
LCD BACKLIGHT KEY BACKLIGHT
• ) are parts of layer 1.
H
TK-7180H/7182H
D921-930
13.6V
7.9V
I J
CN902
E40-6372-05
DM 30
GND 29
RXD 28
TXD 27
NC 26
NC 25
NC 24
GND 23
LCDDO 22
LCDDI 21
LCDCLK 20
LCDCS 19
PTT 18
GND 17
ME 16
MIC 15
GND 14
GND 13
PSW 12
NC 11
SB 10
SB 9
8C 8
GND 7
SPO 6
SPO 5
SPO 4
SPO 3
SPO 2
SPO 1
GND
1
CN901
SPO 2
E40-5704-05
X54-354 2/2
1
2
3
4
5
6
7
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