Display - Nokia N900 Service Schematics

EAR(1:0)
Audio > Stereo
1
audio codec
0
C1583 C1584
1n0 1n0
GND GND
CABC
LEDS > LCD
backlight LED driver
1.8V
VIO_18
L1521
120R/100MHz
2.8V
V28
L1520
120R/100MHz
LCDLEDS_2
LEDS > LCD
backlight LED driver
C1503 C1504
10n 47p
GND GND
SETCURR1
LCDLEDS_1
C1501 C1502
10n 47p
GND GND
RGB_LED(2:0)
LEDs >
LED driver /
charging LED driver
Customer Care / GTM / Competence Management
Confidential Copyright © 2009 NOKIA Only for training and service purposes
Main flex connector
L1581
2 1
X1501
3 4
1
2
3
4
5
6
7
8
9
10
11
12
A1 A3 C1 C3
13
14
ESD protector
15
16
17
GND
18
19
R1506 B2
20
GND 21
22
23
24
25
26
27
28
29
30
LED2-
31
32
33
C1521 C1520
100n 100n 34
35
36
GND GND
37
38
39
40
41
42
43
44
45
46
47
ESD protector
48
49
V1501 V1502
50
A1 A2 A1 A2
51
52
ESD protector
53
54
B2 B2
B1 B1
55
56
57
GND GND GND GND
58
59
60
2 61
0 62
1 63
64
A1 A3 C1 C3
ESD protector
GND
GND
R1503 B2
GND
ESD protector
1.8V
VIO_18
R1540
22k
LCD ESD filter
Z1505
A5 A2
Output1 Input1
A4 A1
Output2 Input2
B5 B2 0
Output3 Input3
B4 Input4 B1 1
Output4
C5 C2
Output5 Input5
C4 Input6 C1
Output6
D5 Input7 D2
Output7
D4 D1
Output8 Input8
E5
Output9
E4 E1
Output10 Input10
Y+ E2
Input9
X-
A3,C3,D3,E3=GND
Y-
X+
Z1521
3
2
Z1522 6
7
1
Z1523
0
L1511
120R/100MHz
L1512
120R/100MHz
L1513
120R/100MHz
L1514
120R/100MHz
A1 A3 C1 C3
C1510 C1512
10n 10n
GND
R1516 B2 C1511 C1513
10n 10n
GND GND GND GND
Version: 2.0 | 07.10.2009 | N900/RX-51 | Board version: 2JH_21a | Display | Page 5 (18)
2.5V
V25
L1530
120R/100MHz
L1531
120R/100MHz
I2C_2(1:0)
CPU > OMAP3430
C1530 C1531 C1532
100n 100n 100n
1.8V
VIO_18
GND GND GND
R1504
100k
CS2 R1507
3
J1510 4k7
2
J1511
1
J1512
0
1
0
3
2
N1510
1 MOSI C1 B1
SDI _PINTDAV
0 SCLK D1
SCLK
2 MISO E1 B5
SDO VREF
4 CS0 J1513 F1
_CS
A3
I/OVDD
J1515
A1
TSC_RST RESET
C5
SNSVDD
CPU > OMAP3430
F2
SNSGND
D5
X+
F4 F5
X- SUBGND
E5
Y+
F3 A2
Y- DGND
A5
AGND
Touch screen controller
GND
ALS_INT CPU > OMAP3430
PROXY
VCAM_DIG_18
VCAM_ANA_28
L1532
120R/100MHz
J1556
CAM_B_EN
CPU > OMAP3430
LCD_RST CPU > OMAP3430
CDP(7:0)
CSI_B(3:0)
LCD_SPI(4:0)
CAM_CLKB
J1514 CPU > OMAP3430
PEN_INT 1.8V
VIO_18
R1514
10R
C1514
2u2
GND
GND