User Guide

6-7 SAMSUNG Proprietary-Contents may change without notice
6-2 Receiver Section
6-2-1 FM mode
Start FM mode
Check FM 12dB
SINAD OK?
Check LNA
in/output OK?
Check RF amp
in/output OK?
Check mixer
in/output OK?
Check 1st
local & mixer power
OK?
Check PLL (U306)
& VCO output
Check IF filter
in/output OK?
Check IF filter
soldering
Check AGC amp
in/output OK?
Check 2nd
local & AGC control
voltage OK?
Check PLL
& BBA #80
RF Rx FM OK
Check Duplexer
& LNA power
Yes
Yes
Yes
Yes
Yes
Yes
BBA INPUT: -54dBm
Gain: +, -45dB
Loss: -5dB
Gain(FM): -8dB
Gain: +17dB
Gain: +16dB
VCO_OUTPUT: -10dBm
969.96MHz
local: -4~0dBm
170.76MHz
Yes
Yes
No No
No
No
No No
No