Kenwood NX-3720HG Service Manual page 187

SUB UNIT
Sub (Display) Unit (XC3-050)
To SPEAKER
10
CN5
CN7
SP+
SPG
GND
9
SB
54M
54M
32M
8
18M
GND
Q3
DC
7
LED_B
SW
DC
/PSW
SW
P_TEMP
ESD_GND
/LCDRST
6
R_SET0
5
R_SET2
ESD_GND
/PTT
TXD
4
RXD
USB_D+
USB_D-
ESD_GND
3
2
1
A B C
I2CCK,I2CDT,/KEYINT
54M 54M
D3-D6,D11,D12,
D17,D18,D33,D34
D9,D10,D15,D16 B30-2365-05
NSSW206C-T865
KEY
LCD
ILLUMINATION
D20 BACKLIGHT
B30-2364-05
RGB LED
Q6
DC
LED_R
SW
Q4
DC DC
Q2
LED_G LCDBLC1 LCDBLC2
SW SW SSM6N37FE
Q8
SSM6N37FE
LTC014EEBFS8
ESD_GND ESD_GND
DAT[1]~DAT[7],/CS,/RD,/WR,A[23]
IC609
XC6221D501G-G
54M 5.0V Reg 50M
MIC_VBUS,ME,DM_KVL
D E F G
32M
IC6
TC35894FG
KEYBLC
IO
LCDBLC1
EXPANDER
LCDBLC2
LED_B
LED_G
LED_R
BLC BUSSW
BLCSW /TXDEN
DC
KEYBLC
SW
ESD_GND
/TXDEN
TXD
IC3
TC7WH126FK IC4
TC7WT125FUF
1/2
/PTT
BUS
BUFFER
RXD_50V
RXD
USB_D-
32M
BLCSW
USB_D+
BLC
BLC_3
IC4
TC7WT125FUF
2/2
H I J
CN3
S1~S10
/PSW
GND
CN6
ESD_GND
D
LCD_GND
GND
Q1
SSM3K15AMFV
RSTB
/LCDRST SW
18M
32M
J1
ESD_GND
PTT_TXD
IC5
BD11600NUX
HOOK/RXD/D-
DPDT
SW
BLC/D+
50M BUSSWC
SB
K L M N O P Q
(No.RA054<Rev.001>) 2-19