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Nokia 7280 Service Manual

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Nokia Customer Care
Schematics and Layouts/RM-14, v.1.0 
RM-14
ISSUE 1 11/04
 Copyright ©Nokia 2004. All rights reserved.
Page A-25
UI
RTC CIRCUIT
COL1
SLIDE SWITCH
VIBRA
PWR/END
COL2
UILED2-
VDD
COL0
VDDI
WriteX
PWRONX
COL0
CALLLED2
LED3+
LED3+
SELECT
LED2+
SELECT
ROW2
UILED2+
LED-
ResetX
ROW2
KLIGHT
ROW0
SEND
UILED1+
DLIGHT
COL1
D/!C
LED1+
LED1+
ROLLER_C
SELECT
ROW0
ROW1
ROLLER_B
SOFT LEFT
ROW1
TearingEffect
UILED1-
LED-
SOFT RIGHT
COL2
LED2+
CSX
ROLLER_A
!RD
D
1
XE515
V306
BSH201
G
S
C312
XE218
GND
0
XE238
C323
R312
E5
6
0
GND
R310
OUT9
D4
D5
OUT10
OUT1
E1
OUT2
E2
OUT3
E3
OUT4
E4
OUT5
GND
C3
GND
C4
GND
C5
OUT6
D1
OUT7
D2
OUT8
D3
B1
IN7
B2
IN8
B3
IN9
B4
IN10
B5
C1
GND
GND
C2
Z300
EMIF10-COM01F2
IN1
A1
IN2
A2
IN3
A3
IN4
A4
IN5
A5
IN6
GND
2
GND
C322
R304
GND
6
C316
C326
GND
GND
VOUT
VIN
VBAT_PA
LP3987ITLX
-2.85-NOPB
N301
VEN
MODE
XE435
3
XE519
GND
GND
VBACK
12
1
GND
XE201
GND
5
GND
GND
C318
6
7
8
9
XE513
13
14
15
16
2
3
4
5
0
X300
1
10
11
12
GND
GND
21
C310
4
R309
10
2
R306
C315
R323
GND
GND
GND
1
GND
D
G
S
C306
GND
V301
2SK3019-TL
3
C321
VFLASH1
S
XE521
C311
2SK3019-TL
V302
D
G
XE404
XE433
VBAT
2
5
R307
13
R311
E7
D3
XE444
VIN
C1
ISET
C7
D2
GND
D4
D6
C2-
E1
E3
D1
D2
E5
C1+
A1
POUT
A3
A5
C2+
SD
A7
C1-
B2
B6
BRGT
7
GND
VBAT
GND
LM2795TLX-NOPB
N300
0
C303
C314
R308
C309
GND
1
Output
2
VDO
3
XE440
XE516
SH248CSP
N306
4
XE434
R305
XE221
GND
R313
XE217
20
GND
R
B
XE511
V300
G
V307
1PS79SB30
C307
L302
5
XE237
XE439
XE452
/2 10n
2
C319
/2 10n
1
C319
GND
XE441
C313
5
3
XE222
GND
PEMX1_EMX1T2R
V305
4
C320
7
8
9
3
VFLASH1
1
21
22
23
24
3
4
5
6
14
15
16
17
18
19
2
20
1
10
11
12
13
GND
GND
X302
C327
8k2
R315
XE518
GND
GND
L301
V305
1
2
6
R314
PEMX1_EMX1T2R
1
2
6
PEMX1_EMX1T2R
V304
7
GND
GND
C305
GND
GND
GND
GND
C325
10u
XE514
XE517
XE520
XE212
GND
XE220
C324
XE236
C300
V304
PEMX1_EMX1T2R
4
5
3
XE512
VIO
M
M300
LVM8L3FVA
-
+
GND
NOT_ASSEMBLED
R316
C308
R319
DIFDATA(7:0)
DIFCTRL(3:0)
GPIO(31:0)
G_KEY_UI(67:0)
SLOWAD(6:0)
LCDUI(2:0)
PUSL(3:0)
AUDUEMCTRL(3:0)
MIC(2:0)
EAR(1:0)
GENIO(31:0)
UIDRV(5:0)
HEADINT(1:0)
IHF_XEAR(1:0)
SIMIF(3:0)
KEYB(10:0)
PWRONX