LG LG-E960 - Page 84

4. TROUBLE SHOOTING
- 84 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP3
Over 21 dBm?
RF Tx Level is OK
Yes
No
Change the board
Check TP2
PA _R1 ≤ 2.6V
Check MDM9615M
Yes
No
Check TP1
Over -3 dBm?
Check WTR1605L
Yes
No
DNI
L11006
L11002 10n
L11012 10n
C11112 33p
L11078 8.2n
DNI
L11077
100pC11118
100pC11117
C11116 100p
2.2u
C11121
C11122 330p
330pC11120
2.2u
C11119
R1204
36
12p
C1271
150
R1205
R1206
150
C11124
1p
C11123
1.8p
L11075
8.2n
U11009
EAN62404201
ACPM-5505-TR1
6
7 4
8 3
5
9 2
10 1
11
PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
+VPWR
PA0_R1
PA0_R0
+VSMPS
TX_OUT_U850
PDET_IN_WTR1605L
PRX_UG850_INP
PRX_UG850_INM
PA_ON3_U850
PA_DET_2
Rev.E
5.8 dB ATTN.
TP3
TP2
VEN
TP1