LG -D385 Service Manual page 200

< 1-1-3-1_RFIC_WTR2605 >
D373, D375
WTR2605 B1, B2, B5
TX1_OUT GSM
TX2_OUT
B2
B1, B5
TX3_OUT
RX_LB1_IN B5,G850
RX_LB2_IN
G900
RX_MB1_IN B1
RX_MB2_IN
B2
RX_MB3_IN G1800,G1900
C1500 100p
WTR_PDET_IN
+1V225_VREG_L1
LGE Internal Use Only
Rev_0.5
D370, D380, D373EU D385
B1, B5, B8 B1, B5
GSM GSM
B8
B1, B5 B1, B5
B5,G850 B5,G850
B8,G900 G900
B1 B1
G1800,G1900 G1800,G1900
*GSM QUAD TX
WTR_TX1_OUT
*B2 / B8 TX
Close to WTR WTR_TX2_OUT
*B1 & B5 TX
WTR_TX3_OUT
R1500 62
TOL=0.01
*B5(G850) RX
WTR_PRX_LB1_IN
WTR_PRX_LB2_IN *G900 /(B8) RX
9dB att.
*B1 RX
WTR_PRX_MB1_IN
*B2 RX
WTR_PRX_MB2_IN
*G1800, G1900 RX
WTR_PRX_MB3_IN
WTR_GNSS_RF_IN_1
+2V05_VREG_L9
Tuning point (Inductor Placeholder)
+1V8_VREG_L10
7 32
TX1_OUT GND8
1 2
TX2_OUT TX_BB_IP
12
TX_BB_IM
6 18
TX3_OUT TX_BB_QP
23
TX_BB_QM
22
PDET_RFFB_IN
24
DAC_REF
5
RX_LB1_IN
36
DNC
10
RX_LB2_IN
53
GP_DATA0
58
GP_DATA1
57
GP_DATA2
4
RX_MB1_IN
56
SSBI_TX_GNSS
9 8
RX_MB2_IN SSBI_RX
13
RF_ON
3
RX_MB3_IN
61
RX_BB_IP
U1500
55
RX_BB_IM
11 49
GNSS_RF_IN RX_BB_QP
43
RX_BB_QM
WTR2605 60
XO_IN
62
GNSS_BB_IP
51
GNSS_BB_IM
19 45
VDD_RF2_R_BB GNSS_BB_QP
16 41
VDD_RF2_T_DA GNSS_BB_QM
37
VDD_RF2_T_VCO
52 14
VDD_RF2_T_PLL GND1
40 15
VDD_RF2_R_PLL GND2
54 17
VDD_RF2_XO GND3
25
GND4
L1501 10n 39 27
VDD_RF1_R_VCO GND5
46 28
VDD_RF1_T_PLL GND6
26 29
VDD_RF1_T_LO GND7
30 33
VDD_RF1_R_LO GND9
20 34
STAR ROUTE VDD_RF1_LNA GND10
48 38
VDD_RF1_DIG GND12
31 35
VDD_RF1_G_LO GND11
21 42
VDD_RF1_G_PLL GND13
44
GND14
59 47
VDD_RF3_IO GND15
50
GND16
- 200 -
6. CIRCUIT DIAGRAM
WTR0_TXBB_I_P
WTR0_TXBB_I_N
WTR0_TXBB_Q_P
WTR0_TXBB_Q_N
WTR0_DAC_IREF
WTR0_GPDATA_0
WTR0_GPDATA_1
WTR0_SSBI_TX_GNSS
WTR0_SSBI_PRX
WTR0_PRXBB_I_P
WTR0_PRXBB_I_N
WTR0_PRXBB_Q_P
C1508 100p
WTR0_PRXBB_Q_N
WTR_XO_IN
WTR0_GNSSBB_I_P
WTR0_GNSSBB_I_N
C1513
WTR0_GNSSBB_Q_P
DNI
WTR0_GNSSBB_Q_N
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Only for training and service purposes