LG -D175F Service Manual page 32

LGE Internal Use Only
<Main Bot>
+2V05_VREG_L9
TP1
QMC review
Rev.D
Tuning point (Inductor Placeholder)
+1V225_VREG_L1
TP2
+1V8_VREG_L10
TP1 : C1501
(+2V05_VREG_L9)
TP2: C1507
(+1V225_VREG_L1)
WTR2605
(U1500)
QMC_review_0717
Pin40, 52,37,16
L1501 10n
Replace_0621
TP3
QMC review
- 32 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP1 : C1501
(+2V05_VREG_L9)
19
VDD_RF2_R_BB
16
VDD_RF2_T_DA
37
VDD_RF2_T_VCO
52
VDD_RF2_T_PLL
40
VDD_RF2_R_PLL
54
VDD_RF2_XO
39
VDD_RF1_R_VCO
46
VDD_RF1_T_PLL
26
VDD_RF1_T_LO
30
VDD_RF1_R_LO
20
VDD_RF1_LNA
48
VDD_RF1_DIG
31
VDD_RF1_G_LO
21
VDD_RF1_G_PLL
STAR ROUTE
59
VDD_RF3_IO
Replace_0621
Only for training and service purposes
U1500