APCPCWM_4828539:WP_0000001WP_0000001
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LG Electronics Inc.
LG501C
Circuit Diagram
QSC6055
1
4
5
6
3
2
J6816
EJ52-25R-4PBA-6S
PRSB6.8C
D602
10u
C6872
C6873
470p
C6874
100p
1K
R6873
1K
R6874
+2.6V_MSMP
R6871
100
+1.8V_MSME
0.1u
C6871
TC7SZ04FU
U6871
3
4
2
1
5
NC
VCC
IN_A
GND
OUT_Y
VA6821
ICVL0505101V150FR
ICVL0505101V150FR
VA6822
EARPHONE_KEY
EAR_MIC
EAR_MIC
EAR_SENSE/
HPH_AMP_OUT_L
HPH_AMP_OUT_R
PAD_EAR_SENSE/
PAD_EAR_SENSE/
DIP type
CLOSE TO EARJACK
2.5 phi
CLOSE TO EARJACK
w/o HPH Amp
TP1
R6871
TP3
J6816
TP5
VA6821,VA6822
TP6
R6873,R6874,
D602
C6482B
1u
1u
C6481B
TPA6136A2YFF
U6481B
3
D
4
D
D2
D1
C4
B4
B3
A4
A2
B2
C1
A1
B1
C2
A3
C3
SGND
OUTL
HPVSS
GND
EN
CPN
CPP
VDD
INL-
HPVDD
INL+
INR+
HI-Z
GAIN
OUTR
INR-
C6485B
2
.2u
C6484B
2
.2u
C6483B
1
u
C6486B
1
u
AUDIO_AMP_EN
+VPWR
HPH_OUT_L
HPH_OUT_R
HPH_AMP_OUT_R
HPH_AMP_OUT_L
TP4
C6481B,C6482B
0.1u
C2133B
C2135B0.1u
C2137BDNI
C2132B0.1u
0.1u
C2134B
0.1u
C2138B
C2136B0.1u
G21
H21
MIC2N
MIC2P
MIC1P
EAR_MIC
TP2
C2132B
107
Summary of Contents for 501C
Page 1: ...Internal Use Only Service Manual LG 501C Date January 2011 Issue 1 0 ...
Page 21: ...LG Electronics Inc LG501C X XYUGj GutzpkG G GvrU XXUGj GtjjG G Gvr XWUGj G Gz Gj G G GvrU 21 ...
Page 25: ...LG Electronics Inc LG501C Y YZUGw GvrU Y UGw GvrU YYUGw GvrU 25 ...
Page 28: ...LG Electronics Inc LG501C Figure 1 1 Block Diagram of LG501C 28 ...
Page 30: ...LG Electronics Inc LG501C 30 ...
Page 31: ...LG Electronics Inc LG501C 31 ...
Page 50: ...LG Electronics Inc LG501C Waveform U1801 2pin U1102 5pin U1102 1pin 50 ...
Page 59: ...LG Electronics Inc LG501C Waveform 4 1 2 c 4 1 2 d U1801 2pin U1102 5pin U1102 2pin 59 ...
Page 133: ...LG Electronics Inc LG501C Appendix 133 ...
Page 134: ...LG Electronics Inc LG501C Appendix 1 Block Diagram LG501C BLOCK DIAGRAM 134 ...
Page 135: ...LG Electronics Inc LG501C Appendix 2 Circuit diagram 135 ...
Page 147: ...LG Electronics Inc LG501C 2 1 MAIN PCB CIRCUIT DIAGRAM Internal Use Only 147 ...
Page 150: ...LG Electronics Inc LG501C Appendix 3 BGA Pin Map 150 ...
Page 151: ...LG Electronics Inc LG501C 3 1 U7301B BCM2070B2KUBXG EUSY0418701 USED PIN NOT USED PIN 151 ...
Page 152: ...LG Electronics Inc LG501C 3 2 U2101B QSC6055 CD EUSY0336202 NOT USED PIN 152 ...
Page 153: ...LG Electronics Inc LG501C 3 3 U2201B H8BCS0SI0BAR 46M EUSY0347506 153 ...
Page 154: ...LG Electronics Inc LG501C 3 4 U6481B TPA6136A2YFF EUSY0412501 USED PIN NOT USED PIN 154 ...
Page 155: ...LG Electronics Inc LG501C Appendix 4 Component Layout 155 ...