Nokia N770 SU-18 Schematic
Service Schematics
NOKIANOKIA
Introduction
IMPORTANT:
This document is intended for use by authorized NOKIA service centers only.
“Service Schematics” was created with focus on customer care.
The purpose of this document is to provide further technical repair information for
NOKIA mobile phones on Level 3/4 service activities.
It contains additional information such as e.g. “Component finder”,
“Frequency band table” or “Antenna switch table”.
The “Signal overview” page gives a good and fast overview about the most
important signals and voltages on board.
Saving process time and improving the repair quality is the aim of this document.
It is to be used additionally to the service manual and other training
or service information such as Service Bulletins.
All measurements were made using following equipment:
Exploded view and component disposal
n770n770
SU-18
Nokia repair SW : Phoenix version 2005.20.7.98
Oscilloscope : Fluke PM 3380A/B
Spectrum Analyzer : Advantest R3162 with an analog probe
RF-Generator / GSM Tester : Rhode & Schwarz CMU 200
Multimeter : Fluke 73 Series II
While every endeavour has been made to ensure the accuracy of this document, some
errors may exist. If the reader finds any errors, NOKIA should be notified in writing.
Please send E-Mail to: training.sace@nokia.comtraining.sace@nokia.com
Copyright © NOKIA
This material, including documentation and any related computer programs is protected
by copyright, controlled by NOKIA. All rights are reserved. Copying, including reproducing,
modifying, storing, adapting or translating any or all of this material requires the prior
written consent of NOKIA. This material also contains companyconfidential information,
which may not be disclosed to others without the prior written consent of NOKIA.
Table of Contents PageTable of Contents Page
Front page
BB connection overview
UI
USB, MMC
RETU
TAHVO
OMAP, Combo- memory
WLAN, BT
Audio
Signal overview
Component finder
1
2
3
4
5
6
7
8
9
10
11
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0 Version: 1.0 30.08.200530.08.2005
N770 SU-18N770 SU-18
Board version: 1gj_16aBoard version: 1gj_16a
FrontpageFrontpage
Page 1(11)Page 1(11)
VBATT
V18
BT_RF
WLAN_BT(3:0)
V18_RAM
V18_NAND
BLUETOOTH
Page8Page8
Page7Page7
UART3(3:0)
MCSI1(3:0)
BTHOSTWAKE
BTRSTX
BTWAKE
BTCLKREQ
BTSYSCLK
SLEEPCLK
SDRAM_AD(15:0)
SDRAM_BA(1:0)
SDRAM_DA(15:0)
SDRAM_CTRL(9:0)
NAND(14:0)
VCORE
V18
UART3(3:0)
MCSI1(3:0)
BTHOSTWAKE
BTRSTX
BTWAKE
SDRAM_AD(15:0)
SDRAM_BA(1:0)
SDRAM_DA(15:0)
SDRAM_CTRL(9:0)
NAND(14:0)
CPU
Page7Page7
BCOVER_SWITCH
USB_TAHVO(7:0)
LCD_CLK
CBUS(2:0)
RETU_INT
SLEEPX
PURX
SLEEPCLK
TAHVO_INT
BATTERY
SlowAD(4:0)
RETU
Page5Page5
0
1
2
2
VBAT
BSI
BTEMP
VCHARADC
CHSWSTAT
RSTX
RETU_INT
CBUS(2:0)
SLEEPCLK
PURX
SLEEPX
PWRONX
VCHRG
VCHARADC
CHSWSTAT
V28
V18
CBUS(2:0)
SMPSCLK
USB_TAHVO(7:0)
RSTX
SLEEPX
PURX
SLEEPCLK
TAHVOINT
TAHVO
Page6Page6
V18_RAM
V18_NAND
SCK
VBAT
I_SENSEN
I_SENSEP
VCORE
VBUS
USB(6:0)
LEDOUT
SETCURR1
SETCURR2
V28
V25
V18
VBAT
V28
V18
LEDOUT
SETCURR1
SETCURR2
0
1
VBAT
VCHRG
BSI
BTEMP
I_SENSEN
I_SENSEP
V28
BCOVER
Page4Page4
USB_PROD(2:0)
VBUS
USB(6:0)
DISPLAY
Page3Page3
Page4Page4
USB
VBAT
V18
BT_RF
WLAN_BT(3:0)
WLAN
Page8Page8
BTSYSCLK
BTCLKREQ
MCBSP2(3:0)
SLEEPCLK
WLAN_IRQ
WLAN_ENA
MCBSP2(3:0)
WLAN_IREQ
WLAN_ENA
ETM(16:0)
APE_JTAG(7:0)
PROT_SHELL
LCD(20:0)
UWIRE(4:0)
LCD_RST
PEN_INT
KEYB(8:0)
MMC_CARD(4:0)
MMC_ENA
MMC_SWITCH
DAC_CLK
MCBSP1(4:0)
I2C(1:0)
UART1(1:0)
AUDIO_PA_EN
HEADPH_IND
V25
V18
DAC_CLK
MCBSP1(4:0)
I2C(1:0)
UART1(1:0)
LEVEL_SHIFTERS
Page4/9Page4/9
MCBSP1_V28(4:0)
UART_V28(1:0)
UART_EMU(1:0)
DAC_CLK_V28
I2C_V28(1:0)
V28
PROT_SHELL
PWRONX
KEYB(8:0)
KEYPAD
Page3Page3
PROD_TEST_PATTERN
Page4Page4
UART1_V28(1:0)
USB_PROD(2:0)
SCK
LCD(20:0)
UWIRE(4:0)
LCD_RST
PEN_INT
LCD_CLK
VBAT
V18
MMC_CARD(4:0)
MMC_ENA
MMC_SWITCH
VBAT
V28
DAC_CLK_V28
MCBSP1_V28(4:0)
I2C_V28(1:0)
AUDIO_PA_EN
HEADPH_IND
MMC
Page4Page4
AUDIO
Page9Page9
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0 Version: 1.0 30.08.200530.08.2005
N770 SU-18N770 SU-18
Board version: 1gj_16aBoard version: 1gj_16a
BB connections overviewBB connections overview
Page 2(11)Page 2(11)
OMAP
RETU
OMAP
RETU
OMAP
Battery
connector
KEYB(8:0)
V28
PROT_SHELL
PWRONX
LCD_RST
LCD(20:0)
LCD_CLK
VBAT
4V
C1530
R4300
1k0
2u2
GND
6
7
8
2
1
0
3
VIn
C1
536
100n
N1510
TK63115B-G
GND
1.8V
V18
GND
VCont
LCD_HSYNC
17
LCD_PCLK
16
LCD_VSYNC
18
19
LCD_DE
LCD_TE
20
1.8V
V18
L1530
600R/100MHz
C1537
L1531
600R/100MHz
C1533
1u5
VOut
GND
GND
R1531
100p
J1514
0R
C1531
Keypad connector
TERST
GND
X4300
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R1514
1M0
GND
R1500
100k
C1513
UWIRE_V28(4:0)
0
J1550
1
100n
2
3
4
GND
J1551
J1552
J1553
C1550
100n
2.8V
VTOUCH
GND
L1506
600R/100MHz
Touch screen
0
SDI
1
SDO
2
SCLK
3
CS0
GND
C1510
1n0
GND
C1514
1n0
1n0
GND
controller
N1500
TSC2046IZQCR
A4
DIN
A2
DCLK
A3
_CS
E7
AUX
_PENIRQ
G6
VBAT
D1
X+
G2
X-
E1
Y+
G3
Y-
A1
NC
A7
NC
B2
NC
B3
NC
B4
NC
B5
NC
B6
NC
C2
NC
C4
NC
C5
NC
C6
NC
D2
NC
D3
NC
D4
NC
D5
NC
B1,C1=
DOUT
BUSY
IOVDD
VREF
VTOUCH
GNDG4,G5=
A6
A5
B7
C7
D7
D6
NC
E2
NC
E3
NC
E4
NC
E5
NC
E6
NC
F1
NC
F2
NC
F3
NC
F4
NC
F5
NC
F6
NC
F7
NC
G1
NC
G7
NC
C1507
47p
C1517
GND
0
1
2
3
4
GND
R1510
X+
10R
R1511
X-
10R
R1512
Y+
10R
R1513
Y-
10R
C1509
GND
1n0
GND
5
1
R15
1M0
UWIRE(4:0)
PEN_INT
V28
OMAP
OMAP
RETU
2.8V regulator
C1535
2.8V
V28_LCD
LCD connector
X1503
1
VLED2-
2
VLED2+Y-
3
VLED1+
4
VLED15
6
D8
7
D7
8
9
D6
10
D5
11
12
D4
13
D3
14
15
D2
16
D1
17
18
D0
19
SCL
20
DOUT
21
22
DIN
23
CSX
PCLK
24
RESX
25
2D-3D
26
D9
27
D10
28
D11
29
30
D12
31
32
D13
33
D14
34
35
D15
36
D16
37
D17
38
DE
39
HS
40
VS
41
42
43
44
45
46
47
48
49
50
GND
VDDI
1V8
2V8
VDD
TSU
TSR
TSD
TSL
GND
10n
GND
Y+
XYX+
C1519
47p
GND
C1551
47p
GND
C1
A3
A1
A1A1
C1
C3
B2
GND
A3A3
C3C3
C1C1
B2
GND
A3
A1
C3
B2
GND
VOut VIn
C1520
22u
GND
C1552
1u5
GND
V18_LCD
R1527
100k
R1528
ESD A14 V2- 4BF 2
532
R1
ESDA14V2-4BF2
R1529
ESDA14V2-4BF2
TK63128B-G
GND
L1508
600R/100MHz
CS3
SDI
SDO
SCLK
N1520VCont
4V
VBAT
1.8V
V18V18_LCD
V18
4
0
1
2
R1501
1
/2 VWM16V
R1501
2
/2 VWM16V
R1503
/2 VWM16V
2
GND
GND
GND
C1502
47p
GND
C1501
10n
LEDOUT
SETCURR1
SETCURR2
R1503
1
/2 VWM16V
GND
RETU
LED driver
V28
Prot shell
Keyb6
Keyb7
Keyb8
Keyb2
Keyb1
Keyb0
Keyb3
Pwronx
Keypad filter
Z4300
GND
BGF109
A5
LINE1
A4
LINE2
B5
LINE3
B4
LINE4
C5
LINE5
C4
LINE6
D5
LINE7
D4
LINE8
E5
LINE9
E4
LINE10
A3
GND
E3
GND
R4301
10R
LINE1
LINE2
LINE3
LINE4
LINE5
LINE6
LINE7
LINE8
LINE9
LINE10
GND
GND
A2
A1
B2
B1
C2
C1
D2
D1
E2
E1
C3
D3
GND
X+
Y+
XY-
A1
A3
GND
R1520
ESDA14V2-4BF2
C1 C3
B2
GND
1.8V
V18
R1534
4k7
R1535
150R
LCD controllerLCD controller
D1510
NC
C7
C8
C9
C10
D1
D2
D3
A4
A3
B4
F3
G3
H3
E3
F1
E1
E2
F2
J3
G1
G2
H1
H2
J1
J2
K2
K3
D5
D4
D6
D7
E4
G7
H6
C4
D8
H4
E8
G4
H5
H7
A1
A2
A10
A11
B1
B11
K1
K11
L1
L2
S1D13742
CSX
WEX
RDX
DCX
RESETX
TE
GPIO_INT
CLKI
CLKOUT
MD10
CLKOUTENX
MD11
MD12
CNF0
MD13
CNF1
MD14
CNF2
MD15
TESTEN
TEST0
TEST1
TEST2
SCANEN
PWRXVEX
GPIO0
GPIO1
GPIO2
VD10
GPIO3
VD11
GPIO4
VD12
VD13
GPIO5
VD14
GPIO6
GPIO7
VD15
VD16
VCP
VD17
PLLVDD
VD18
PLLVSS
VD19
VD20
COREVDD
VD21
COREVDD
VD22
COREVDD
VD23
COREVDD
VD24
VD25
IOVDD
VD26
IOVDD
VD27
IOVDD
VD28
VD29
VD30
PIOVDD
VD31
PIOVDD
PIOVDD
VD32
PIOVDD
VD33
VD34
NC
VD35
NC
NC
NC
NC
PCLK
NC
NC
NC
NC NC
NC
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
VD0
VD1
VD2
VD3
VD4
VD5
VD6
VD7
VD8
VD9
J1516
LCD_PXL0
B1
LCD_PXL1
B2
LCD_PXL2
B3
LCD_PXL3
B4
LCD_PXL4
B5
LCD_PXL5
G0
LCD_PXL6
G1
LCD_PXL7
G2
LCD_PXL8
G3
LCD_PXL9
G4
LCD_PXL10
G5
LCD_PXL11
R1
LCD_PXL12
R2
LCD_PXL13
R3
LCD_PXL14
R4
LCD_PXL15
R5
LCD_VSYNC
LCD_HSYNC
LCD_PCLK
LCD_DE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VideoIF(19:0)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
18
17
16
19
10
11
12
13
14
15
19
17
18
16
GND
Y+
XX+
Z1502
LINE1
LINE2
LINE3
LINE4
LINE5
LINE6
LINE7
LINE8
LINE9
LINE10
GND
GND
LINE1
LINE2
LINE3
LINE4
LINE5
LINE6
LINE7
LINE8
LINE9
LINE10
GND
GND
BGF109
Z1503
BGF109
LINE1
LINE2
LINE3
LINE4
LINE5
LINE6
LINE7
LINE8
LINE9
LINE10
GND
GND
LINE1
LINE2
LINE3
LINE4
LINE5
LINE6
LINE7
LINE8
LINE9
LINE10
GND
GND
GND
7
6
5
4
3
2
1
014
815
9
C1
C3
B2
A5
A6
A7
A8
A9
B8
B9
B10
C2
B3
B5
B6
B7
L9
L8
L7
L6
L5
L4
L3
K10
K9
K8
K7
K6
K5
K4
J11
J10
J9
J8
J7
J6
J5
J4
H11
H10
H9
H8
G11
G10
G9
G8
F11
F10
F9
F8
E11
E10
D10
VS
D9
HS
D11
C11
DE
E9
NC
L10
L11
NC
J1510
J1511
J1512
J1513
J1515
GND
NC
NC
NC
NC
NC
NC
C1532
1u5
C1534
1u5
GND
1u5
C5,C6,E5,E6,E7,F4,F5,F6,F7,G5,G6= GND
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0 Version: 1.0 30.08.200530.08.2005
N770 SU-18N770 SU-18
Board version: 1gj_16aBoard version: 1gj_16a
UIUI
Page 3(11)Page 3(11)
1.8V
RETU
OMAP
TAHVO
VBAT
V18
MMC_CARD(4:0)
MMC_ENA
MMC_SWITCH
VBUS
USB(6:0)
VMMC
MMC
Level shifter
R4730
10k
4
3
4V
R4742
R4760
10k
0
1
2
S4760
GND
R4741
100k
100k
J4741
Switch open=1.8V
Switch closed=0V
GND
GND
C4731
C4730
22u
10n
GND GND GND
C4732
22u
1.8 V / 2.85V
N4730
LP3928TLX-1828_NOPB
B3
Dir1
B2
Dir2
C3
Dir3
A4
EN1
A2
EN2
C2
LatchClk
A1
VBAT
B4
VCCA
B1
VCCB
GND
ASIP
C4
A1
D4
A2
D3
A3
C1
B1
D1
B2
D2
B3
A3
GND
EMIF04-MMC02F2
R10
R20
R4750
R1
R2
R3
R4
GND
C4750
100n
GND
MMC connector
X4750
C2
C3
C4
C5
C6
C7
GND
GND
GND
Command/response
GND
Supply voltage
Clock
GND
Data
USB connected=5V
GND
USB connector
X1220
VBUS
1
D-
2
D+
3
4
DATA_GND
5
GND
2
0
1
USB_PROD(2:0)
ESDA14V2-4BF2
A1
A3
C1
C3
B2
GND
0
SLAVEPU
5
DPRXD
4
DMTXD
2
MASTPD2
1
MASTPD1
6
DPRXD2
3
DPCLK
J1290
J1291
J1210
R1212
220k
GND
GND
R1213
IP4065CX11_LF
17k
1k3
33R
33R
15k
L1220
600R/100MHz
Audio codec
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
UART1_V28(1:0)
RETU
SCK
Version: 1.0 Version: 1.0 30.08.200530.08.2005
N770 SU-18N770 SU-18
0
1
2
R2001
1
0
1k0
Board version: 1gj_16aBoard version: 1gj_16a
USB_DUSB_D+
USB_VBUS
FBUS_RX
FBUS_TX
SCK
USB, MMCUSB, MMC
J2000J2000
4
3
2
1
9
8
7
6
GND
5
X2000
1
GND
Traceability pad’s
Page 4(11)Page 4(11)
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