LG Electronics Inc.
LG501C
Checking Flow
Check B/T ANTENA
(analog signal)
Replace the ANTENA
NO
YES
START
Check the clock at
TP5
C801
(about 26 MHz)
YES
Replace the X7301B
NO
Check the RF signal at
TP4
C7902
(about 2.45 GHz)
YES
Replace the U7301B
NO
Check the RF signal at
TP3
L7901
(about 2.45 GHz)
Replace the FL7901
NO
YES
Change the main PCB
Check the Voltage at
TP1
C7305B
(about 2.6V)
YES
Replace the main PCB
NO
117
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 ...