Only For Training And Service Purposes - LG KP235 Service Manual

3. TECHNICAL BRIEF
Figure 3.2 Pad configuration (Top view) and case marking
Pin Mame
1 VCATT
2 VLOGIC
3 VRAMP
4 TX_EN
5 BS
6 DCS_RX
7 GSM_RX
8-10 GND
11 ANT
12-16 GND
17 GSM_IN
18 NC
19 DCS_IN
20 GND
GMD PADS GROUND GRID
Mode
STANDBY
GSM_RX
CS_RX
GSM_TX
DCS_TX
LGE Internal Use Only
Battery input voltage
Control logic level selection/Standby control
Analog power control voltage input
TX/RX select (mode control)
Band Select (mode control)
DCS Receive RF Output (1805-1880 MHz)
GSM Receive RF Output (920-960 MHz)
RF and DC Ground
RF_IN/RF_OUT to Antenna
RF and DC Ground
RF input 880-915 MHz
No Connect
RF input 1710-1785 MHz
RF and DC Ground
Ground Pads, module underside
Table 3.1 Pad description
Table 3.2 Mode Control logic
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Description
Input Control Bits
V
LOGIC
TX_En
0 X1
1 0
1 0
1 1
1 1
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

BS
X1
0
1
0
1