- 86 -
VX9100
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved
Only for training and service purposes
Checking Flow
Checking Flow
Check TP1 , TP2
at DP 100 . Referring to
Figure 4.2.2(j)
Is it similar ?
Start
Replace DP 100 , U102
Quintplexer,
Coupler are OK
YES
NO
Check TP2 , TP3
at DP 100 . Referring to
Figure 4.2.2(j)
Is it similar ?
Replace U102
(coupler)
YES
NO
Check TP1 , TP3
at DP 100 . Referring to
Figure 4.2.2(j)
Is it similar ?
Replace DP100
(Quintplexer)
YES
NO
Waveform
Waveform
Tx Port
ANT Port
Figure 4.2.2(j)
Summary of Contents for VX9100 Maroon
Page 135: ...1 VX9100 Assembly Disassembly Diagram ...
Page 136: ......
Page 137: ......
Page 138: ...2 VX9100 Block Circuit Diagram Main Key Pad FPCB ...
Page 139: ...Block Diagram ...
Page 141: ...Circuit Diagram Main Key Pad ...
Page 142: ...Main Board Circuit ...
Page 149: ...Keypad Circuit ...
Page 151: ...3 VX9100 Part List Main Key Pad FPCB ...
Page 161: ...4 VX9100 Component Layout ...
Page 164: ...5 VX9100 BGA Pin Map ...
Page 165: ...BOTTOM VIEW Unit mm USED NOT USED 1 MSM6550A U202 A1 Index Mark ...
Page 167: ...3 MAX9775EBX T U301 TOP VIEW USED NOT USED ...