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4-2.
SCHEMATIC DIAGRAM - MAIN Board -
1
2
MAIN BOARD
A
CN101
30P
1.2V
1
3.3V
2
GND
3
GND
4
R104
LCD_RS
5
10k
B
KEY_ADIN
6
R105
KEY_INT
7
R106
AUD_MUTE
8
R107
xPSW_IN
9
xTU_RESET
10
R110
LCD_A0
11
10k
LIGHT_ON
12
MSDA
13
C
MSCL
14
DAB1 (1/2)
MODULE ASSY
R113
xSLPSW_IN
15
10k
DAB
BEEP/UART_TX
16
MODULE
R114
LCD_CS
17
R115
AMP_ON
18
xSYS_RESET
19
ANT_CNT
20
R118
XSLI-xSP(D)
21
2.2k
D
LCD_DATA
22
LCD_SCLK
23
R119
AUD_MCLK
24
2.2k
AUD_SFR
25
AUD_SCLK
26
AUD_SDO
27
AUD_GND
28
AUD_L
29
E
AUD_R
30
CN103
4P
VDD
1
GND
2
CL103
(NC)
IRDA_RX(IN)
3
CL102
F
IRDA_TX(OUT)
4
CN102
18P
G
GND
1
GND
2
RTC_3V
3
R120
xRTCRESETIN
4
R121
xAC_INCHK
5
R127
xBELOW_4V
6
R122
LCD PWRON
7
R123
H
xVDET_RUN
8
R124
IRDA_TX
9
R125
IRDA_RX
10
R126
POWER_ON_LATCH
11
USB_VBUS
12
USB_DP
13
USB_DN
14
USB_GND
15
I
KEY_AD
16
VDET_ADIN
17
WAKEUPOUT
18
XDR-S40DBP
• See page 13 for IC Block Diagrams.
3
4
5
C126
C127
C129
C132
0.01
1000
0.01
1000
6.3V
6.3V
KEYADIN
10k
C102
0.01
KEYINT
R129
100k
C103
1000p
MUTE
100k
10k
C104
0.1
C105
1000p
LIGHT1
C108
1000p
BUZZ
2.2k
C111
1000p
LCD_CS
220k
AMP_ON
C113
1000p
LCD_DATA
LCD_SCLK
R101
10k
AUD_L
AUD_R
R102
10k
R149
100k
R130
1k
C136
0.01
IC101
RESET SIGNAL GENERATOR
IC101
PST8218UL
3
3
NC
VDD
2
R131
4.7k
3
4
VSS
VOUT
1
C128
0.1
10k
10k
C118
0.1
10k
C119
1000p
10k
C125
0.01
LCD_ON
10k
C120
1000p
1k
C121
1000p
1k
C122
1000p
10k
C123
1000p
D102
C124
DA2J10100L
1000p
6
7
8
CL105
IC103
IC B/D
+3.3V REGULATOR
IC103
BD00GA5WEFJ
CL104
2.7
5
EN
NC
4
R147
6
NC
GND
3
0.8
7
NC
FB
2
5
3.3
8
VCC
VOUT
1
GND
C137
R133
C138
R148
9
0.1
220k
1
22k
C139
C142
0.1
IC102
1000p
IC B/D
VOLTAGE DETECT
IC102
PST8436UL
R134
0
5
2.6
2
VDD
CD
3
R140
470k
3.1
1
GND
OUT
4
IC106
VOLTAGE DETECT
IC106
PST8240UL
5
3
NC
VDD
2
3.1
4
VSS
VOUT
1
IC104
VOLTAGE DETECT
IC104
PST8133UL
5
C140
3
NC
VDD
2
0.1
5
4
VSS
OUT
1
D105
DB2J31600L
D104
DA2J10100L
15
15
9
10
11
CL107
IC B/D
IC105
+1.2V REGULATOR
IC105
MM3291CNRE
68k
3.3
1.2
1
VDD
VOUT
5
2
GND
3.3
3
CN
NC
4
C143
C145
C146
4.7
1
1
CL108
JL107
JL108
JL109
JL110
R137
470k
JL101
R139
R141
100k
1M
5
S
JL102
C144
1
5
1000p
Q102
2.7
SSM3J15FU (T5LSOY, E
POWER CONTROL
D103
R136
DA2J10100L
2.2k
CL101
S101
/
SL101
CL110
XDR-S40DBP
12
13
14
W102
LCD_ON
LCD_ON
1
KEYADIN
KEYADIN
LCD_RS
KEYINT
KEYINY
LIGHT1
LIGHT
A
LCD_A0
LCD_CS
LCD_CS
LCDDAB
LCD_DATA
LCD_DAT
BOARD
LCD_SCLK
LCD_CK
W301
(Page 18)
GND
RTC3V
DAB3.3V
12
R145
C150
C149
0
0.1
0.1
C147
C148
0.1
0.1
W101
CL112
VCC6V
1
CL111
RTC3V
R144
0
C
CL115
DAB3.3V
CL116
GND
JACK
CL117
XDC_IN
BOARD
CL118
W201
MUTE
MUTE
6
(Page 17)
W103
CL122
BUZZ
BUZZ
1
CL123
AMP_ON
AMP_ON
B
CL124
xSP
CL113
AUD_L
AUD_L
JACK
BOARD
CL125
AUD_GND
W203
CL114
AUD_R
AUD_R
6
(Page 17)
ANT1
TELESCOPIC
ANTENNA
CN104
3P
JL103
DAB1 (2/2)
1
JL103
MODULE ASSY
JL104
2
JL104
DAB
JL105
C134
MODULE
3
JL105
SL102
VDR101
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