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Troubleshooting
No sound
Check following steps.
Check audio output circuit.
Check speaker, connection of the terminal “K8F”.
Yes
Check IC001 and peripheral circuit.
Check the Mute signal at pin 1 of IC001. The Mute signal is output from
pin 267 of IC 301<Scaler>.
The OUT_DET signal is sent from Audio Out terminal.
Mute-On: H at pin 267 of IC301, L at pin 1 of IC001.
Check if the audio signal
is observed at pins 20
and 23 of IC001.
Yes
No
Check IC5001 and peripheral circuit.
Check the 12V power supply.
Check if the audio signal
is observed at pins 7 and
15 of IC5001.
No
Содержание PLC-WL2500A
Страница 57: ... 57 FA5550NG P F Control IC621 IC Block Diagrams L3E06200 D A S H LCD Driver IC501 IC531 IC561 ...
Страница 58: ... 58 IC Block Diagrams L3E07111 Digital Gamma and Driver IC401 LC87F2G08A PIC Micom IC9885 ...
Страница 59: ... 59 IC Block Diagrams MR4010 Power OSC IC631 NJW1156 Audio Selector IC5001 ...
Страница 89: ...Key No Part No Description Key No Part No Description 89 Electrical Parts List KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 90: ...Key No Part No Description Key No Part No Description Electrical Parts List 90 KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 91: ...Key No Part No Description Key No Part No Description 91 Electrical Parts List KJ8 WL2500A00 KJ8 WL2503A00 ...
Страница 92: ... KJ8AG Aug 2011 DC 50 Printed in Japan SANYO Electric Co Ltd ...