Kenwood NX-3400 Service Manual page 81

SCHEMATIC DIAGRAM
DISPLAY UNIT (XC1-209K-02)
DISPLAY UNIT (A/2)
Bluetooth ANT
5
$R154
CN154
CN151 L152 R155
6.8n
0
GPS ANT
R170 C172 R174
CN152
0 4p 0
CN153
4
MIC101
MIC T9B-0004-00 L101
L102
MIC/ME
DISPLAY UNIT (B/2)
S301 EMG
S70-0516-05
PTT
S302
S70-0516-05
CN301
3
6
5 SIDE1
S303
S70-0516-05
4
3
2 SIDE2
S304
S70-0516-05
1
FULL KEY
Ko0 Ko1 Ko2 Ko3
MENU RET Ki0
HOME Ki1
1 2 3 Ki2
0 4 5 6 Ki3
2
# 7 8 9 Ki4
1
A B
CN155
L156 C158
R191
1.2n
22p
0
A151
CN156
1 PoSToUT 10
GND_1
2 NC<GND>2 9
VCTL
3 LNAIN 8
VDD
L187
4 PREoUT 7
R183
NC<GND>1
C175 C177 C179 10n R189 C192
0 5 GND_2 6
PREIN
1.5p 1p 1.5p 0 120p
EXP_PAD
S111 S112 S113
MENU RET
MENU RET
S70-0901-05 S70-0901-05 S70-0901-05
S114 S115
S70-0901-05
D112 D111 D113
S70-0901-05
B30-2365-05 B30-2365-05 B30-2365-05
R112 R111 R113
560 1k 560
S116 S117 S118
HOME
S70-0901-05 S70-0901-05 S70-0901-05
D114
B30-2365-05
R114
1k
R122
0
S119 S120 S121
1 2 3
HOME
S70-0901-05 S70-0901-05 S70-0901-05
D115 D116 D117
B30-2365-05 B30-2365-05 B30-2365-05
R115 R116 R117
1k 1k 1k
S122 S123 S124
4 5
6
S70-0901-05 S70-0901-05 S70-0901-05
S125 S126 S127
7 8 9
S70-0901-05 S70-0901-05 S70-0901-05
D118 D119 D120
B30-2365-05 B30-2365-05 B30-2365-05
R118 R119 R120
1.2k 1.2k 1.2k
S128 S129 S130
* 0 #
S70-0901-05 S70-0901-05 S70-0901-05
C
(No.RA070<Rev.001>) 2-11
R1 R2 R3 R4
8KEY 12KEY GPS/BT
RESERVE
R1 R2 R3 $R4
K-02 0 0 0 -
2.7V
CN157
CN158
Q141
EMD9
CP141
D144 RB521SM-30 KEYo0
D143 RB521SM-30 KEYo1
D142 RB521SM-30 KEYo2
D141 RB521SM-30 KEYo3
100
R142 100 KEYi4
R143 100 KEYi3
R145 100 KEYi2
R147 100 KEYi1
R148 100 KEYi0
D E
2-11 (No.RA070<Rev.001>)
Light Bar
TX/BUSY
R208
10k
IC201
LCD_BL
INB
R203
VCC
INA
10k
GND
oUTY
TC7SZ08FE
C206 0.1u
18LCD
CN201
To LCD
F
CN202
1
GND
2
GND
3
LBC_B
4
LBC_R
5
LBC_G
6
LED_R
7
LED_B
8
LED_G
9
KEYo0
10
KEYo1
11
KEYo2
12
KEYo3
13
KEYi0
14
KEYi1
15
KEYi2
16
KEYi3
17
KEYi4
18
50A
5.0V
19
50A
20
MIC
21
ME
22
GND
23
GND
LCD_BL
24
LCD_BLC
DB[7]
25
LCD_DB7
DB[6]
26
LCD_DB6
DB[5]
27
LCD_DB5
DB[4]
28
LCD_DB4
DB[3]
29
LCD_DB3
DB[2]
30
LCD_DB2
DB[1] 31
LCD_DB1
DB[0]
32
LCD_DB0
/LCDRST
33
LCD_/RST
/WR
34
LCD_R/W(WR0)
/OE 35
LCD_E(WR1)
ADD[23]
36
L202
LCD_A0
/CS4
37
LCD_/CS
38
LCD_VSS
1.8V
39
18M
3.2V
L201
40
32LCD
41
32LCD
G