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Nokia 2300 Service Manual

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Customer Care Solutions
Schematics / Layouts 
RM-4/RM-5
ISSUE 1 02/2004
 Copyright © Nokia 2003. All rights reserved.
Page A-7
Keyboard / User Interface, v. 1.3, ed. 57
"8"
"7"
SDA
"LCD_RESETX"
"1"
NA
"9"
XCS
VSS (GND)
"6"
"LCD_CLK"
"C"
"Up"
PENNY ONLY
LED+
Buzzer
"3"
XRES
DLight
KLight
"RIGHT"
NICKEL ONLY
"*"
"PWRON KEY"
"2"
"4"
SCLK
VDDI
VDD
"LCDCSX"
"LCD_SDA"
NA 
"5"
"Down"
Vibra
"LEFT"
"0"
"#"
"Menu"
GND
IMT1A
V320
4
2
3
10p
C308
1
5
6
GND
GND
V320
IMT1A
S309
S302
10n
C307
GND
S311
GND
27
S305
Keyboard/ User Interface 
Name
dd-mmm-y
Appr
Copyright (C) Nokia Corporation. All rights reserved.
GND
GND
S308
C306
10p
S307
GND
21
S317
VBAT
220nH
L300
CL-630S-WF-X-TSL
V321
GND
R309
10R
20
1
VBAT
S306
GND
S320
GND
GND
100n
C304
100n
10p
C310
VFLASH1
C303
C309
10p
GND
4
4
VIO
S304
GND
GND
GND
KHN4NB1H
M300
M
-
+
DMS03214
H300
1
2
3
4
5
6
7
8
25
28
GND
R305
0R
GND
S300
GND
MODEL
V329
1PS79SB31
GND
GND
VBAT
GND
GND
R307
S321
GND
2
4R3
12p
C311
56p
GND
GND
1
C312
10k
R316
GND
S301
GND
S318
S315
S319
0
VBAT
470R
R306
S303
3
S316
S310
LCDUI(2:0)
UIDRV(5:0)
KEYB(0)
KEYB(9)
KEYB(4)
KEYB(1)
KEYB(6)
KEYB(3)
KEYB(2)
KEYB(7)
PWRONX
GENIO(31:0)
MIC(2:0)
EAR(1:0)
PUSL(3:0)
SLOWAD(6:0)
DIFDATA(7:0)
DIFCTRL(3:0)
AUDUEMCTRL(3:0)
GPIO(31:0)
G_KEY_UI(67:0)
HEADINT(1:0)
SIMIF(3:0)
IHF_XEAR(1:0)
LCDUI(0)
LCDUI(1)
LCDUI(2)
KEYB(10:0)
KEYB(10)
KEYB(8)
KEYB(5)
GENIO(31:0)