-47-
Troubleshooting
No Sound
Check IC5001 and peripheral circuit.
Check 5V_AUDIO, 9V power supply.
Check if the audio sig-
nal is observed at pins
10 and 21 of IC5001.
Check audio output circuit.
Check speaker, connection of the terminals “K8F”
Yes
No
Check following steps.
Check IC5031 and peripheral circuit.
Check the Mute signal at pin 1 of IC5031. The Mute signal is output
from pin 144 of IC 301<System Control>.
Mute-On: H at pin 144 of IC301, L at pin1 of IC5031
Check if the audio sig-
nal is observed at pins 5
and 8 of IC5031.
Yes
No
Summary of Contents for PLC-XE31
Page 53: ... 53 BA7078 Sync Separator IC5301 IC Block Diagrams BA9743 DDC Control IC5651 ...
Page 54: ... 54 IC Block Diagrams L3E6100D D A S H LCD Driver IC501 IC531 IC561 FA5502 P F Control IC621 ...
Page 55: ... 55 IC Block Diagrams L3E07072 LCD Driver Gamma Correction IC401 M62399 D A IC3531 ...
Page 56: ... 56 IC Block Diagrams STR Z2156A Power Switching IC631 NJW1141 Audio Control IC5001 ...
Page 57: ... 57 uPD64012 Video Decoder IC101 IC Block Diagrams ...
Page 81: ...LG6 XE3100 81 Mechanical Parts List ...
Page 82: ... LG6A Jun 2006 BB 270 Printed in Japan SANYO Electric Co Ltd ...
Page 86: ...Diagrams Drawings LG6 XE3100 ...
