Nokia 2270, 2272, 2275, 2285 Service Manual
CCS Technical Documentation
Schematics / Layouts
RH-3
Issue 1 06/2003
Nokia Corporation Confidential
Page A-8
Key UI
KEYBOARDLIGHT
"KLIGHT"
Wrong Partnumber
"LCD_SDA"
VIBRA
"NOT SMD COMPONENT"
SMART COVER
NOT INSTALLED
UI CONNECTOR
"LCD_RESETX"
"DLIGHT"
"BUZZER"
"DCT3 SPEAKER"
"LCD_CLK"
"LCDCSX"
"PWRON KEY SWITCH"
DISPLAYLIGHT
PUMT1
V308
1
2
6
1u0
C311
1
+
0
1
1
VFLASH1
GND
GND
NOT_INSTALLED
KHN4NX1B
M300
M
2
-
V309
PUMT1
PUMT1
4
5
3
0
1
2
3
4
1
2
3
4
R310
1k0
C3
GND
25
GND
GND
8
9
9
IP4043CX5
R318
A1
A3
GND
B2
C1
X302
1
10
11
12
13
14
11
12
13
14
2
3
4
5
6
7
3
4
5
6
7
J310
VBAT
GND
4
5
3
V305
VFLASH1
GND
V310
PUMT1
5
3
R305
120R
C316
GND
V308
PUMT1
4
5
6
7
8
6
7
8
100n
C302
NOT_INST
ALLED
DMS03214
H300
1
2
3
4
2
3
4
1u0
100n
C303
+
V304
3
2
3
4
5
6
GND
B302
-
C317
GND
NSTB60BDW1T1
N300
1
3
4
2
8
J309
J312
10
5
0
1
6
7
9
GND
C312
1u0
V306
10n
C301
V319
MMBT6589T1
MMBT6589T1
R307
120R
GND
V302
L
WL88S-N1P2-ND-0-10-R18
J307
L
WL88S-N1P2-ND-0-10-R18
V303
J311
27p
C308
C314
1u0
B301
11
22
L
WL88S-N1P2-ND-0-10-R18
V301
VBAT
NOT_INSTALLED
1u0
C313
PUMT1
V310
1
2
6
GND
10R
R311
C304
100n
GND
V300
L
WL88S-N1P2-ND-0-10-R18
0R
R317
R300
120R
GND
VBAT
100n
VBAT
GND
4k7
R301
VIO
C309
100k
GND
OUT8
OUT10
R315
IN10
OUT1
OUT3
OUT5
OUT7
OUT9
OUT2
OUT4
OUT6
GND
IN7
IN1
IN5
IN9
IN2
IN4
IN6
IN8
4
VBAT
Z301
EMIF10-1K010F1
IN3
VIN
C7
ISET
GND
D2
D6
D4
E1
C2-
D1
E3
E5
E5
D2
D3
D3
E7
C1+
A1
A3
POUT
C2+
A5
A7
SD
B2
C1-
BRGT
B6
C1
V309
PUMT1
1
2
6
LM2795BLX
D300
1k0
R302
GND
GND
20
GND
GND
J313
READ COMPONENT INFO!
1
2
3
4
120R
R306
J308
GND
S300
PWR
10k
R303
GND
GND
LCDUI(2)
LCDUI(1)
LCDUI(0)
LCDUI(0)
PWRONX
GND
120R
R304
LCDUI(2:0)
UIDRV(5:0)
EAR(1:0)
KEYB(10:0)
GENIO(31:0)
MIC(2:0)
PUSL(3:0)
DIFDATA(7:0)
DIFCTRL(3:0)
AUDUEMCTRL(3:0)
SLOWAD(6:0)
SLOWAD(6:0)