LG LG-P970 Service Manual

3. TECHNICAL BRIEF
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

3. TECHNICAL BRIEF
3.1 GENERAL DESCRIPTION
The LG-P970 supports UMTS-900, UMTS-1900, UMTS-2100, GSM-850, GSM-850, GSM-900, GSM-1800, and GSM-
1900 based GSM/GPRS/EDGE/UMTS. All receivers and the UMTS transmitter use the radioOne1Zero-IF
architecture to eliminate intermediate frequencies, directly converting signals between RF and baseband. The
quad-band GSM transmitters use a baseband-to-IF upconversion followed by an offset phase-locked loop that
translates the GMSK-modulated or 8-PSK-modulated signal to RF.
[Figure 3-1] Block diagram of RF part
3. TECHNICAL BRIEF
FEM
RF Block Diagram
FEM
with
GSM
PAM
VCTCXO
XO
FSY2_CLK
SKY77529
G850/G900
DCS/PCS
TX2G_L
TX2G_M
TX_LB
TX_HB
DI3_TX_DAT
Di3_TX_DAT
26MHz
AFC_DAC
XO
SYS_CLK
F26M
VCONT
DET
WCDMA
Dual PAM
W900
Duplexer
WCDMA
TX SAW
TX_3G_L
DI3_TX_DATX
DI3_RX_DAT
DI3_RX_DATX
Di3_TX_DATX
Di3_RX_DAT
Di3_RX_DATX
RXTX_L2
DET
MP-EHM
PMB9801
ACPM-5281
W2100
Duplexer
WCDMA
TX SAW
W1900
Duplexer
WCDMA
TX SAW
W-PAM
ACPM-5202
Transceiver
PMB5703
TX_3G_H
TX_3G_M
RXTX_H
RXTX_M1
CPL
PWR DET
PA_POW_DET
1900
2100
RX SAW
RX_M2
RX_M2X
LNA
RFIN2
RFIN1
RX H
~MnGX`WWGÆ nGX`WW
CPL
VRF1
2.85V_RF1
VDD_MAIN
2.85V RF2
VRF2
2100
900
RX SAW
RX SAW
BGA749
RFIN4
RFIN5
RX
_
H
RX_HX
RX_L1
RX_L1X
RX SAW
RX_L1
850
RX_L2
RX_L2X
RX_M2
~GYXWW
~MnG`WW
nG_\W
VSD2
1.8V_SD
VDD_IO
2.85V
_
RF2
VDD_FSYS
RX SAW
1800
RX_M3
RX_M1
RX_M1X
nGX_WW

LG LG-P970 Specifications

General

Model	LG-P970
Network	GSM / HSPA
2G bands	GSM 850 / 900 / 1800 / 1900
Speed	HSPA 7.2/5.76 Mbps
GPRS	Class 12
EDGE	Class 12
Weight	109 g (3.84 oz)
SIM	Mini-SIM
Protection	Corning Gorilla Glass
OS	Android 2.2 (Froyo), upgradable to 2.3 (Gingerbread)
Chipset	TI OMAP3630
CPU	1.0 GHz Cortex-A8
GPU	PowerVR SGX530
RAM	512 MB
Internal Storage	2GB
Card slot	microSD, up to 32 GB
Loudspeaker	Yes
3.5mm jack	Yes
Bluetooth	3.0, A2DP
GPS	Yes, with A-GPS
Radio	Stereo FM radio, RDS
USB	microUSB 2.0
Sensors	Accelerometer, proximity, compass
Messaging	SMS(threaded view), MMS, Email, Push Email, IM
Java	Yes, via Java MIDP emulator
Battery	Removable Li-Ion 1500 mAh battery
Talk time	Up to 6 h 30 min (2G) / Up to 5 h (3G)
Colors	Black, White
3G bands	HSDPA 900 / 2100
Display Type	IPS LCD
Display Size	4.0 inches
Resolution	480 x 800 pixels
Main Camera	5 MP, AF
WLAN	Wi-Fi 802.11 b/g/n, DLNA, hotspot
Browser	HTML
Status	Available. Released 2011, May
Stand-by	Up to 400 h