APCPCWM_4828539:WP_0000001WP_0000001
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LG Electronics Inc.
LG501C
4.1.1.1 Checking DC Power supply circuit (PMIC)
Test Point
Circuit Diagram
TP3 :C2166B
TP1 :C2168B
QSC6055
TP2 :C2169B
C2139B2.2u
R2122B
0
R2121B
0
R2120B
0
R2119B
0
R2118B
0
R2117B
0
1u
C2155B
R2113B
0
R2114B
0
R2116B
0
R2115B
0
C2174B22u
C2158B
0.1u
+1.8V_MSME
+2.6V_MSMP
+2.1V_RFRX2
121K
R2112B
+2.8V_TCXO
+2.8V_LCD
C2149B0.1u
+2.1V_RFRX1
2.2u
C2169B
4.7u
C2170B
1u
C2177B
1u
C2176B
1u
C2163B
2.2u
C2164B
2.2u
C2165B
2.2u
C2166B
2.2u
C2167B
2.2u
C2172B
4.7u
C2171B
4.7u
C2168B
1u
C2173B
4.7u
C2175B
R2123B
0
0.1u
C2150B
0.1u
C2151B
C2152B0.1u
0.1u
C2157B
C2154B
0.1u
C2156B0.1u
1u
C2140B
C2141B1u
C2142B1u
1u
C2143B
C2145B1u
1u
C2144B
C2146B1u
1u
C2147B
C2148B1u
1u
C2153B
AC21
P18
W17
AB14
V16
W13
Y21
AB18
V22
V23
U22
R21
AB17
K22
K21
K18
K16
VDD_RFTX_6
VDD_RFTX_7
VDD_RFTX_8
VDD_RFTX_9
VDD_SPKR
VREG_RFRX1
REF_BYP
REF_GND
REF_ISET
VREG_5V
VREG_MMC
VREG_MPLL
VREG_MSMA
VREG_MSME1
VREG_MSMP
VREG_NCP
+2.1V_RFRX1
+2.1V_MSMA
+2.8V_LCD
+VPWR
+1.8V_MSME
+2.1V_RFRX2
-1.8V_NCP
+1.3V_MPLL
+2.25V_SMPS_RF
+2.6V_MSMP
+2.1V_RFTX
+2.1V_RFTX
+1.3V_MSMC
+2.8V_TCXO
+2.6V_BT
TP3
TP1
TP2
43
Содержание 501C
Страница 1: ...Internal Use Only Service Manual LG 501C Date January 2011 Issue 1 0 ...
Страница 21: ...LG Electronics Inc LG501C X XYUGj GutzpkG G GvrU XXUGj GtjjG G Gvr XWUGj G Gz Gj G G GvrU 21 ...
Страница 22: ...LG Electronics Inc LG501C X XZUGj G GptzpGtjjG G GvrU X UGj G GptzpGutzpkG G GvrU X UGj GwysGl G G Gvr 22 ...
Страница 25: ...LG Electronics Inc LG501C Y YZUGw GvrU Y UGw GvrU YYUGw GvrU 25 ...
Страница 26: ...LG Electronics Inc LG501C Y Y UGj Gz Gj Gp G G GvrUG Y UGj Gh Gv Gj G G GvrU Y UGj Gw Gt UGh G GvrU 26 ...
Страница 28: ...LG Electronics Inc LG501C Figure 1 1 Block Diagram of LG501C 28 ...
Страница 30: ...LG Electronics Inc LG501C 30 ...
Страница 31: ...LG Electronics Inc LG501C 31 ...
Страница 50: ...LG Electronics Inc LG501C Waveform U1801 2pin U1102 5pin U1102 1pin 50 ...
Страница 59: ...LG Electronics Inc LG501C Waveform 4 1 2 c 4 1 2 d U1801 2pin U1102 5pin U1102 2pin 59 ...
Страница 101: ...LG Electronics Inc LG501C 4 3 4 2 Receiver Trouble Test points D603 D604 TP1 CN6704 TP2 CN6704 101 ...
Страница 104: ...LG Electronics Inc LG501C Test points 4 3 4 3 MIC Trouble C2136B TP1 VA6701 TP2 C2134B TP3 MIC6701 104 ...
Страница 133: ...LG Electronics Inc LG501C Appendix 133 ...
Страница 134: ...LG Electronics Inc LG501C Appendix 1 Block Diagram LG501C BLOCK DIAGRAM 134 ...
Страница 135: ...LG Electronics Inc LG501C Appendix 2 Circuit diagram 135 ...
Страница 147: ...LG Electronics Inc LG501C 2 1 MAIN PCB CIRCUIT DIAGRAM Internal Use Only 147 ...
Страница 150: ...LG Electronics Inc LG501C Appendix 3 BGA Pin Map 150 ...
Страница 151: ...LG Electronics Inc LG501C 3 1 U7301B BCM2070B2KUBXG EUSY0418701 USED PIN NOT USED PIN 151 ...
Страница 152: ...LG Electronics Inc LG501C 3 2 U2101B QSC6055 CD EUSY0336202 NOT USED PIN 152 ...
Страница 153: ...LG Electronics Inc LG501C 3 3 U2201B H8BCS0SI0BAR 46M EUSY0347506 153 ...
Страница 154: ...LG Electronics Inc LG501C 3 4 U6481B TPA6136A2YFF EUSY0412501 USED PIN NOT USED PIN 154 ...
Страница 155: ...LG Electronics Inc LG501C Appendix 4 Component Layout 155 ...
Страница 162: ...LG Electronics Inc LG501C Appendix 7 Part List Circuit 5 IQV 8 78 8IZ 4Q 5 IQV 8 7 758IZ 4Q 162 ...