Panasonic VL-SV75 Series, Service Manual

Page: 34 / 102

9.2.5 Defect of the Communication Between the Main Monitor Station and the Door
Station
YES
Can the video/voice
communication be made?
NO
YES
Are all parts on
Talk Signal Path (Transmitting)
of Main Monitor Station
OK?
NO
Advance preparation:
Connect a non-defective Door
Station to the Main Monitor Station.
Communicate between the Main
Monitor Station and the Door Station.
Replace the fault parts.
START
END
YES
Are all parts on
Talk Signal Path (Receiving)
of Main Monitor Station
OK?
NO
Replace the fault parts.
YES
Are all parts on
Image Signal Path
of Main Monitor Station
OK?
NO
Replace the fault parts.
Replace the Main board.(*1)
Reference:
• Refer to Talk Signal in [9.3 Signal Route] .
• Refer to Image Signal in [9.3 Signal Route] .
• (*1)
[10.1.3 How to Remove the Main Board, Speaker and LCD [No.3]] .
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