LG KP260 Service Manual page 18

GOMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2
No Name Description
1 VCC_FE Front end supply (IP)
2 I I baseband input/output
3 IB I baseband input/output
4 VCC_BBI Baseband I, TX path supply (IP)
5 SDATA Serial port data
6 SCLK Serial port clock
7 SEN Serial port enable
8 N/C Not connected
9 VLDO3 TX LDO Output (1)
10 TXOP_LO Transmit O/P (850/900MHz)
11 TXOP_HI Transmit O/P (1800/1900MHz)
12 VCC_TXVCO TX VCO supply (1)
13 VDD Serial interface supply
14 VBAT Battery I/P for LDO reg's
15 VLDO1 LDO regulator Output (2)
16 VLDO2 LO VCO Supply (3)
Notes:
1. Supply regulated by internal LDO3 and should not be connected to any other supply
2. Internally connected as Synth supply (Counters + SDM + Charge pump)
3. Supply regulated by internal LDO2 and should not be connected to any other supply
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Table 1 AD6548/9 Pin Descriptions
- 19 -
3. TECHNICAL BRIEF
Name Description
VCC_REF Reference Oscillator Supply (IP)
VAFC/ AD6548 Crystal Freq control (IP)
N/C AD6549: Spare Pin
REFIN Crystal Connection
REFINB Crystal Connection
REF_OP Reference Frequency Output
QB Q baseband input/output
Q Q baseband input/output
VCC_BBQ Baseband Q supply (IP)
RX1900B PCS 1900 LNA input
RX1900 PCS 1900 LNA input
RX1800B DCS 1800 LNA input
RX1800 DCS 1800 LNA input
RX900B E-GSM LNA input
RX900 E-GSM LNA input
RX850B GSM 850 LNA input
RX850 GSM 850 LNA input
LGE Internal Use Only