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Troubleshooting
No Sound
Check following steps.
Check IC5001 and peripheral circuit.
Check 5V 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 IC5031 and peripheral circuit.
Check the Mute signal at pin 1 of IC5301. The Mute signal is output from
pin 67 of IC 301<Scaler>. The OUT_DET signal is sent from Audio Out
terminal.
Mute-On: H at pin 67 of IC301, L at pin 1 of IC5031.
check if the audio signal
is observed at pins 1 of
Ic5031.
Yes
No
Summary of Contents for PLC-XR201
Page 66: ... 66 IC Block Diagrams FA5550NG P F Control IC621 LC87F2G08A5AN6 UART IC9885 IC Block Diagrams ...
Page 69: ... 69 IC Block Diagrams PW190 Scaler IC301 MR4010 Power OSC IC631 ...
Page 70: ... 70 IC Block Diagrams PIC18F67J60 LAN CONTROL IC8801 FA7703 DC DC Converter IC7811 ...
Page 96: ... KR5AD KS5AD September 2009 DC 200 Printed in Japan SANYO Electric Co Ltd ...
Page 108: ...A10 SCH_KR5AC NO DATA ...
Page 112: ...A14 PCB_KR5AC NO DATA ...