4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
VREG_MSMC1_1.1V
VREG_MSMA2_1.2V
VREG_MSMC2_1.1V
VREG_MSME_1.8V
VREG_MSMA1_2.6V
VREG_TCXO_2.85V
VREG_P3_2.85V
PS_HOLD
+1V3_MSM_A3_WCN
+1V2_WLAN_WCN
+1V8_WLAN_TCXO
+3V_WLAN_WCN
+1V2_MSM_A2_WCN
2.2u
C535
C548
1u
C547
1u
VREG_NFC_3.0V
R17
M18
G19
H20
K21
B6
B4
A3
G1
M2
G3
K1
N1
R9
P10
P6
R5
K23
B2
E3
C3
C1
D20
C21
B20
B22
G21
F20
F22
B18
B16
A17
B10
B8
A9
VSW_S1_1
VSW_S1_2
VREG_S1
VSW_S2_1
VSW_S2_2
VREG_S2
VSW_S3_1
VSW_S3_2
VREG_S3
VSW_S4
VREG_S4
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L5
VREG_L6
VREG_L7
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L13
VREG_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L19
NCP_CTC1
NCP_CTC2
VREG_NCP
NCP_FB
LED_ATC
VREG_USB_1.8V
VREG_TCXO_2.85V
VREG_MSMA1_2.6V
VREG_PLL_1.1V
VREG_MSMA2_1.2V
VREG_PADAC_2.05V
VREG_LCD_1.8V
VREG_LCD_2.8V
VREG_P3_2.85V
VREG_SDCARD_2.85V
VREG_USB_3.3V
VREG_RF_2.7V
C546
1u
C545
1u
C544
1u
C543
1u
1u
C542
C541
1u
C540
1u
1u
C539
C538
1u
C537
1u
C532
2.2u
C533
2.2u
C536
1u
1u
C530
2.2u
L501
2.2u
L503
22u
C525
C526
22u
C524
22u
22u
C527
VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSME_1.8V
VREG_SMPS_2.1V
2.2u
L502
2.2u
L500
VREG_QFUSE_1.8V
1u
C531
C534
10u
VSNS_RF_SMPS_2.1V
VSNS_MSMC1_1.1V
VSNS_MSME_1.8V
VSNS_MSMC2_1.1V