-55-
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 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
Содержание PLC-XU101
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Страница 60: ... 60 IC Block Diagrams FA5502 P F Control IC601 FA7711 DC DC Converter IC5801 ...
Страница 61: ... 61 IC Block Diagrams HIN202EIB RS 232C Driver IC3801 L3E06150 D A S H LCD Driver IC501 IC531 IC561 ...
Страница 62: ... 62 IC Block Diagrams L3E07110 LCD Driver Gamma Correction IC401 L3E01060 Level Shift IC2501 IC2531 IC2561 ...
Страница 63: ... 63 IC Block Diagrams LM4889 Audio Output IC5031 M62334 DAC IC3501 ...
Страница 64: ... 64 IC Block Diagrams NJW1141 Audio Control IC5001 PW190 Scaler IC301 ...
Страница 65: ... 65 IC Block Diagrams STR Z2156 Power OSC IC651 ...
Страница 94: ... KL6AC Jun 2007 DC 350 Printed in Japan SANYO Electric Co Ltd ...