LG D410 Service Manual page 34

L1616 1n
TP2
Chenck ANT_Logic Refer to 3.4
Check WTR2605
LGE Internal Use Only
CPL_IN_OUT
+VPA0
CPL_OUT
6
GND
7
CPL_IN
8
RFOUT
9
VCC2
10
PGND
11
SKY77761
C1613
C1614
10u
10n
DRBFM
Check TP1
Over 21 dBm?
No
Check TP2
Over 21 dBm?
No
Check TP3
Over ‐3dBm?
No
EAN62687101
PA0_ON_1
VEN
5
PA0_R_0
VMODE_0
4
PA0_R_1
VMODE_1
3
RFIN
2
VCC1
1
U1600
C1617
10u
Yes
RF Tx Level is OK
Yes
Check FL1600
Yes
Check PAM
- 34 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
+VPA_BATT0
C1676 100p C1672 100p
C1618
TP3
1.5n
Only for training and service purposes
C1671 100p