-60-
Troubleshooting
No Sound
Check IC5001 and peripheral circuit.
Check 5V_AUDIO, 1V power supply.
check if the audio sig-
nal is observed at pins 7
and 15 of Ic5001.
Check audio output circuit.
Check speaker, connection of the terminal “K8F”
Yes
No
Check following steps.
Check IC5031, 5V_AUDIO and peripheral circuit.
Check the Mute signal at pin 1 of IC5031. The Mute signal is output from
pin 9 of IC 301<Scaler>. The OUT_DET signal is sent from Audio Out
terminal.
Mute-On: H at pin 347 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-XU106
Page 62: ... 62 IC Block Diagrams FA5550NG P F Control IC621 LC87F2G08A5AN6 UART IC9885 ...
Page 63: ... 63 IC Block Diagrams MAX232ECPWRP RS 232C Driver IC3801 MR4010 Power OSC IC631 ...
Page 65: ... 65 IC Block Diagrams L3E07111 LCD Driver Gamma Correction IC401 PW190 Scaler IC301 ...
Page 94: ... KB8AC October 2009 DC 200 Printed in Japan SANYO Electric Co Ltd ...