Technical Brief; Functional Block Diagram; Only For Training And Service Purposes - LG KP270 Service Manual

3. TECHNICAL BRIEF

3.1 Functional Block Diagram

RF RF
GSM900/1800/1900 GSM900/1800/1900
26M 26M
EDGE EDGE
FEM FEM
Transceiver Transceiver
PMB6952 PMB6952
EDGE EDGE
PAM PAM
UMTS UMTS
Duplex Duplex
PAM PAM
UMTS UMTS
LNA LNA
UMTS 2100 UMTS 2100
ON_OFF ON_OFF
PMIC PMIC
PMB6821 PMB6821
BATTERY BATTERY
Charging IC Charging IC
TA TA TA
18Pin MMI 18Pin MMI
18Pin MMI 18Pin MMI
Connector Connector
Connector Connector
USB USB USB
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Backup Backup
Bat Bat
32K 32K
MMC I/F MMC I/F
2G I/Q 2G I/Q
3G Tx I/Q 3G Tx I/Q
3G Rx I/Q 3G Rx I/Q
ANT_SEL (1:6) ANT_SEL (1:6)
PA_LEVEL (2G) PA_LEVEL (2G)
3G_VGC_TX 3G_VGC_TX
2G_EN / 2G_DATA / 2G_CLK 2G_EN / 2G_DATA / 2G_CLK
3G_LD / 3G_MASTERON 3G_LD / 3G_MASTERON
3G_EN / 3G_DATA / 3G_CLK 3G_EN / 3G_DATA / 3G_CLK
MP-EH MP-EH
LDO LDO
PMB8868 PMB8868
I2C I2C
_PPR _PPR
CHG_EN CHG_EN
UART0 UART0
USB USB
[Figure 3.1] Functional Block Diagram
NAND NAND NAND
Flash Flash Flash
1Gbit 1Gbit 1Gbit
SDRAM SDRAM SDRAM Filter Filter Filter
512Mbit 512Mbit 512Mbit
BT BT
26M 32K 26M 32K UART/ UART/ EPPA1 EPPA1
PCM PCM EPPA2 EPPA2
EPP1 EPP1
EPN2 EPN2
I2C I2C
MICP1 MICP1
MICN1 MICN1
MICP2 MICP2
MICN2 MICN2
LCDD[0:7] LCDD[0:7]
RESET RESET
CS/CD/WR CS/CD/WR
VSYNC VSYNC
CAMD[0:7] CAMD[0:7]
PWR_EN PWR_EN
RESET RESET
P/MCLK P/MCLK
H/VSYNC H/VSYNC
KEYPAD I/F KEYPAD I/F
MOTOR_EN MOTOR_EN
USIM I/F USIM I/F
SLIDE DETECT SLIDE DETECT
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3. TECHNICAL BRIEF
RADIO_OUT_L RADIO_OUT_L
RADIO_OUT_R RADIO_OUT_R
Ear-Phone Ear-Phone
HS_L HS_L
HS_R HS_R
AMP AMP
REC_P REC_P
RCV/SPK RCV/SPK
REC_N REC_N
I2C I2C
MIC MIC
Ear-Phone Ear-Phone
MIC MIC
LCD LCD
Charge Charge
QCIF QCIF
PUMP PUMP
176X220 176X220
CAMERA CAMERA
(1.3M) (1.3M)
LDO LDO
MOTOR MOTOR
HALL SW HALL SW
LGE Internal Use Only