3. TECHNICAL BRIEF

VBAT

R104

390K

 

 

R107

100K

R108

4.7K

 

R102

 

LCD_ID

 

 

 

0

 

 

R103

 

 

DNI

 

BAT_ID

H3

M0

RF_TEMP

J3

M1

 

G4

M2

 

H4

 

G3

M7

 

J4

M8

JACK_TYPE

F4

M9

 

M10

TXHB

W3

TX2

TXLB

V3

TX1

GSM850_RXP

W2

RX1

GSM850_RXN

V1

RX1X

GSM900_RXP

U1

RX2

T1

GSM900_RXN

R3

RX2X

PA_BAND

R4

PABIAS

R1

PABS

DCS1800_RXP

T5

RX3

 

U5

VDET

 

PAMODE

DCS1800_RXN

P1

RX3X

VC1

N4

FE1

VC2

P5

FE2

PA_EN

M3

PAEN

N1

PCS1900_RXP

P3

RX4

TX_RAMP

M1

VRAMP

PCS1900_RXN

 

RX4X

X100

NX3225SA

4

GND2

HOT2

3

 

1

HOT1

GND1

2

26MHz

UART_BT_RTS

A18

T_OUT3

UART_BT_CTS

J10

T_OUT4

TOUCH_INT

H11

T_OUT5

PA_MODE

E13

T_OUT6

RPWRON

B19

T_OUT7

K9

LIN_PWM_FRQ

 

T_OUT8

CHG_EN

G19

CLKOUT0

 

U4

REFR

 

W7

XOX

 

W8

XO

SIM_DATA

V10

CC_IO

SIM_CLK

U9

CC_CLK

V9

SIM_RST

 

CC_RST

Figure 24. S-GOLD Radio Circuit Diagram

LGE Internal Use Only

- 56 -

Copyright © 2008 LG Electronics. Inc. All right reserved.

 

 

Only for training and service purposes

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LG Electronics KS360 service manual Gold Radio Circuit Diagram