LG D337 Service Manual page 44

3.2.1.4 Checking RF signal path (DPX)
3.2.1.4 Checking RF signal path (DPX)
3.2.1.4 Checking RF signal path (DPX)
B5 TRX
TX_MODULE_TRX3
B1 TRX
TX_MODULE_TRX1
LGE Internal Use Only
Test Point
Test Point
DPX
DPX
(FL1604) (FL1604)
(FL1606) (FL1606)
DPX
DPX
(FL1600)
(FL1600)
DPX
DPX
(FL1602)
(FL1602)
SKY77589
SKY77589
(U1100)
(U1100)
TP1(B2)
TP1(B2)
: C1616
: C1616
Circuit Diagram(B5/B1) Circuit Diagram(B5/B1)
Circuit Diagram(B5/B1) Circuit Diagram(B5/B1)
C1600 33p
C1649 1N
1
L1640
DNI
- 25 -
- 25 -
4. Trouble Shooting
4. Trouble Shooting
DPX
DPX
FL1600
SFX836UZ102
6
L1605
2
5.1N
4
5
EAM62792701
WISOL
2
L1641
1.5N
- 44 - Copyright © 2014 LG Electronics. Inc. All right reserved.
4. DOWNLOAD
TP1(B8)
TP1(B8)
: C1634 : C1634
TP1(B5)
TP1(B5)
: C1600
: C1600
TP1(B1)
TP1(B1)
: C1649
: C1649
B5
TP1(B5)
1
ANT RX1
TP1(B5)
TP1(B5)
8
RX2
3
TX
GND1
9
GND2 GND5
7
GND3 GND4
B1
TP1(B1)
TP1(B1)
TP1(B1)
FL1606
SFXG50UZ502
6
ANT RX1
RX2
TX
2
GND1
4
GND2 GND5
5
GND3 GND4
EAM62732301
WISOL
Only for training and service purposes
1
8
3
9
7