LG Electronics Inc.
Checking Flow
Checking Flow
START
Check the DSP Trouble
Check audio signal at C606,C607
Check the voltage at C603,C609,
C611,C612,C613
Check the audio signal at SPK+,SPK-
Check the state of speaker contact
Replace U605
Speaker will work properly
YES
YES
NO
NO
NO
YES
YES
Replace QSC or Main B/D
Check the soldering at
C606,C607
Re-solder C606,C607
Replace U605
Check the signal
at R603,R604
Replace U602,U604
Check the clock signal at C122
NO
YES
Replace U200
Check the clock at
C278
NO
NO
NO
YES
YES
4.3.5.1 Speaker Trouble
1
2
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Содержание VX8560
Страница 32: ...LG Electronics Inc VX8560 Figure 1 1 RF Block Diagram of VX8560 Logic Device ZYVYZ 32 235 Z 3 X B O X C O M ...
Страница 34: ...LG Electronics Inc VX8560 Z VYZ 34 235 Z 3 X B O X C O M ...
Страница 35: ...LG Electronics Inc VX8560 Z VYZ 35 235 Z 3 X B O X C O M ...
Страница 56: ...LG Electronics Inc VX8560 Waveform Waveform 4 1 1 c 4 1 1 d U100 pin2 DP100 pin1 VYZ 56 235 Z 3 X B O X C O M ...
Страница 65: ...LG Electronics Inc VX8560 Waveform Waveform U100 pin2 DP100 pin2 4 1 2 c 4 1 2 d VYZ 65 235 Z 3 X B O X C O M ...
Страница 102: ...LG Electronics Inc VX8560 2 TP4 PIN3 OF U511 XO XWYVYZ 102 235 Z 3 X B O X C O M ...
Страница 105: ...LG Electronics Inc VX8560 2 TP4 PIN3 OF U511 XO XW VYZ 105 235 Z 3 X B O X C O M ...
Страница 108: ...LG Electronics Inc VX8560 Circuit Diagram Circuit Diagram 1 TP1 C703 2 8V_LCD XW_VYZ 108 235 Z 3 X B O X C O M ...
Страница 112: ...LG Electronics Inc VX8560 Circuit Diagram Circuit Diagram 1 TP1 R722 CAM_PCLK XXYVYZ 112 235 Z 3 X B O X C O M ...
Страница 115: ...LG Electronics Inc VX8560 Test point Test point 1 TP1 R722 CAM_PCLK XX VYZ 115 235 Z 3 X B O X C O M ...
Страница 120: ...LG Electronics Inc VX8560 3 TP7 C122 MCLK WM8900 XYWVYZ 120 235 Z 3 X B O X C O M ...
Страница 121: ...LG Electronics Inc VX8560 4 TP8 C278 SLEEP X TAL XYXVYZ 121 235 Z 3 X B O X C O M ...
Страница 123: ...LG Electronics Inc VX8560 6 TP9 C617 LINEOUT_1R TP10 C619 LINEOUT_1L XYZVYZ 123 235 Z 3 X B O X C O M ...
Страница 125: ...LG Electronics Inc VX8560 3 TP7 C122 MCLK WM8900 XY VYZ 125 235 Z 3 X B O X C O M ...
Страница 126: ...LG Electronics Inc VX8560 4 TP8 C278 SLEEP X TAL XY VYZ 126 235 Z 3 X B O X C O M ...
Страница 128: ...LG Electronics Inc VX8560 6 TP9 C617 LINEOUT_1R TP10 C619 LINEOUT_1L XY_VYZ 128 235 Z 3 X B O X C O M ...
Страница 130: ...LG Electronics Inc VX8560 Circuit Diagram Circuit Diagram 1 TP1 C705 RCV TP2 C706 RCV XZWVYZ 130 235 Z 3 X B O X C O M ...
Страница 131: ...LG Electronics Inc VX8560 1 TP1 C705 RCV TP2 C706 RCV Test point Test point XZXVYZ 131 235 Z 3 X B O X C O M ...
Страница 142: ...LG Electronics Inc VX8560 2 TP2 R620 MIC_OUT 3 TP3 C282 MIC TP4 C605 LINPUT1 X YVYZ 142 235 Z 3 X B O X C O M ...
Страница 178: ...LG Electronics Inc VX8560 Appendix 1 Block Diagram Appendix 1 Block Diagram X _VYZ 178 235 Z 3 X B O X C O M ...
Страница 180: ...LG Electronics Inc VX8560 2 1 MAIN PCB CIRCUIT DIAGRAM 2 1 MAIN PCB CIRCUIT DIAGRAM X_WVYZ 180 235 Z 3 X B O X C O M ...
Страница 188: ...LG Electronics Inc VX8560 2 2 FPCB CIRCUIT DIAGRAM 2 2 FPCB CIRCUIT DIAGRAM X__VYZ 188 235 Z 3 X B O X C O M ...
Страница 195: ...LG Electronics Inc VX8560 3 3 FPCB Top Component Layout 3 3 FPCB Top Component Layout X VYZ 195 235 Z 3 X B O X C O M ...
Страница 200: ...200 235 Z 3 X B O X C O M ...
Страница 201: ...201 235 Z 3 X B O X C O M ...
Страница 216: ...LG Electronics Inc VX8560 6 1 U109 BCM2046B1 6 1 U109 BCM2046B1 USED PIN NOT USED PIN YX VYZ 216 235 Z 3 X B O X C O M ...
Страница 217: ...LG Electronics Inc VX8560 6 2 U200 QSC6075 6 2 U200 QSC6075 USED PIN NOT USED PIN YX VYZ 217 235 Z 3 X B O X C O M ...
Страница 220: ...LG Electronics Inc VX8560 6 5 U510 TCC8322 6 5 U510 TCC8322 YYWVYZ 220 235 Z 3 X B O X C O M ...
Страница 221: ...LG Electronics Inc VX8560 6 5 U510 TCC8322 6 5 U510 TCC8322 USED PIN NOT USED PIN YYXVYZ 221 235 Z 3 X B O X C O M ...
Страница 223: ...LG Electronics Inc VX8560 7 1 AC adaptor 7 1 AC adaptor YYZVYZ 223 235 Z 3 X B O X C O M ...
Страница 230: ...LG Electronics Inc VX8560 7 2 Cigar Light Charger 7 2 Cigar Light Charger YZWVYZ 230 235 Z 3 X B O X C O M ...
Страница 233: ...LG Electronics Inc VX8560 7 3 USB Cable 7 3 USB Cable YZZVYZ 233 235 Z 3 X B O X C O M ...