LG KG195 Service Manual page 127

7. Device Information
2. Pin List
Pin Description
Pin No. Pin Name
1 VCCTXVCO
2 CREG1
3 VBAT1
4 VCCRF
5 PCSRF
6 PCSRFB
7 DCSRFB
8 DCSRF
9 GSMRFB
10 GSMRF
11 AMPSRF
12 AMPSRFB
13 CREG2
14 ENREG
15 VBAT2
16 VCCRFBUF
17 GNDRFBUF
18 RFVCOP
19 GNDRFVCO
20 LFCAP
21 VCCRFVCO
22 GNDRFCP
23 NC
24 VCCRFCP
25 VCCSYN
26 GNDSYN
27 VCXOCXR
28 VCXOCAP
LGE Internal Use Only
Description
TX VCO supply voltage and Regulator 1(TX VCO) voltage output.
Regulator 1 external noise bypass capacitor
Battery supply for Regulator 1
TRX RF and TX BUF block supply voltage and Regulator 1(TRX) voltage output
Receiver PCS 1900 RF differential positive input
Receiver PCS 1900 RF differential negative input
Receiver DCS 1800 RF differential negative input
Receiver DCS 1800 RF differential positive input
Receiver E-GSM 900 RF differential negative input
Receiver E-GSM 900 RF differential positive input
Receiver GSM 850 RF differential negative input
Receiver GSM 850 RF differential positive input
Receiver 2 external noise bypass capacitor
Regulator 1 & 2 enable input for TRX/RFVCO buffer/Synthesizer/VCXO
Battery supply for Regulator 2
RF VCO buffer supply voltage and Regulator 2 (SX) voltage output
RF VCO buffer ground
RF VCO differential positive test output
RF VCO ground
Loop filter main capacitor input
RF VCO supply voltage and Regulator 2 (RF VCO) voltage output
Synthesizer charge pump and PFD ground
No connection
Synthesizer charge pump and PFD supply voltage
Synthesizer supply voltage
Synthesizer ground
VCXO internal / external output buffer control
VCXO coarse tuning capacitor and fine tuning varactor
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