LG LG-500 User Manual

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5.2.11 Rx Sensitivity Trouble(DCS)
5. Data Kit & Test Method
START
(700CH, Sector POWER -60dBm)
SW300
pin16 RF signal is over
-63dBm
Check SW300and
circumference Circuit
Check BPF400 and
circumference Circuit
Check U402 and
circumference Circuit
Check BPF403 and
circumference Circuit
Check U401 and
circumference Circuit
Check BPF404 and
circumference Circuit
Check BPF404 and
circumference Circuit
Check U401 and
circumference Circuit
BPF400
pin2 RF signal is over
-65dBm
U402
pin28 RF signal is over
-50dBm
BPF403
pin4,6 RF signal is over
-55dBm
U402
pin20 LO signal is over
-10dBm
BPF404
pin5,6 IF signal is over
-45dBm
BPF404
pin1,2 IF signal is over
-50dBm
U402
pin37 IF signal is over
-10dBm
Rework on Calibration
(over G_MAGIC 200)
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NOTE : SW300 : Antena Switch
BPF400 : RF SAW Filter
U402 : TRF 6053
U401 : PLL
BPF403 : RF SAW Filter
BPF404 : IF SAW Filter
★ Must use high frequency
probe.

LG LG-500 Specifications

General

Brand	LG
Model	LG-500
Category	Cell Phone
Language	English