1. Manuals
  2. Brands
  3. LG Manuals
  4. Cell Phone
  5. U300
  6. Service manual

LG U300 Service Manual page 84

Hide thumbs Also See for U300:
Table of Contents

Advertisement

Set the Phone Rx is ON
NO
Check bias1
Over 2V ?
YES
NO
Check TP1
Signal exist?
YES
NO
Check TP2
Signal exist?
YES
NO
Check TP3
Signal exist?
YES
NO
Check TP4
Signal exist?
YES
Change the board
- 85 -
4. TROUBLE SHOOTING
Check bias block
soldering
Check RF s/w
Check FEM
Check Duplexer
Check RFR6250

Advertisement

Table of Contents
loading

Related Manuals for LG U300

Related Products for LG U300

This manual is also suitable for:

U300c

Table of Contents