Nokia 2118 服务手册
Nokia Customer Care
2118
Schematics / Layouts
2118 (RH-77)
Issue 01 04/2005
©2005 Nokia Corporation Company Confidential
Page A-3
System Connector
XEAR P
XEAR N
CHARGER CONNECTOR
BOTTOM CONNECTOR
Vout
XMIC P
SYSTEM CONNECTOR
XMIC N
(SCK/MBUS)
PROD TEST PATTERN
ACI
Fbus RX
Components: 396-399
TOMAHAWK
(RXD/FBUSRXO)
GND
BATTERY CONNECTOR
VCHAR
Fbus TX
(TXD/FBUSTXO)
MICROPHONE CONTACTS
ACCESSORY REGULATOR
VESPA REFRESH
(VPP)
ACI pull up
42R/100MHz
L100
GND
GND
GND
GND
C105
E106
2
3
4
0
VFLASH1
22p
J112
L103
EXC24CB102U
1
J107
24
PRODTP3
J111
J100
600R/300mA
L106
F1
2A
GND
R102
E107
J106
GND
GND
/2 47R
1
E109
0
J101
J108
E108
L102
EXC24CB102U
1
2
3
4
PRODTP3
1
OUT
2
GND
0
2
R107
100k
NA
B101
1n0
C106
C111
10n
C102
E110
R102
1u0
22p
2 /2 47R
GND
C104
22p
C103
12
X103
VBATT
BSI
GND
GND
4
R105
/2 VWM16V
?
?
R105
/2 VWM16V
?
?
3
C110
NA
GND
PRODTP2
J109
/2 47R
GND
1
C113
GND
1
R101
10n
R106
47k
PRODTP2
GND
/2 VWM16V
?
?
34
VBAT
GND
R110
2
47p
C100
/2 VWM16V
R110
12
0
V100
1PMT16AT3
?
1
PRODTP7
1
GND
GND
J102
GND
J396
NA
2
3
6
7
8
GND
PRODTP6
R100
/2 47R
R101
2
0
2
PRODTP7
/2 47R
VBAT
C101
1u0
1
0
1
1
GND
R100
1
GND
2
1
+
J110
/2 47R
LP3985ITLX-2.8_NOPB
-2.8_NOPB
BYPASS
GND
VEN
VIN
VOUT
X102
NA
A3
GND
B2
C1
C3
E111
LP3985ITLX
N2303
C1
C3
GND
IP4043CX5
R108
A1
R2304
IP4043CX5LF
A1
A3
B2
GND
220k
R104
GND
L107
600R/300mA
47p
12
13
14
13
14
GND
AGND
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
C115
X101
1
10
11
11
BSI
SLOWAD(6:0)
BTEMP
R109
100k
HEADINT
CHARGER(4:0)
ACCDIF(2:0)
GENIO(31:0)
XMIC(2:0)
MIC(2:0)
XEAR(3:0)