Sru Pc Board (Optional) - Panasonic UF-580 Service Manual

3.19. SRU PC Board (Optional)

CN90
Refer to MJR PC Board CN23.
CN91
SRU PCB
Signal Name
Pin No.
CN91-1 N.C.
CN91-2 MIC (+)
CN91-3 RCV (+)
CN91-4 RCV (-)
CN91-5 MIC (-)
CN91-6 TGND
Destination
Telephone
Handset CN
Telephone
Handset CN
Telephone
Handset CN
Telephone
Handset CN
Signal Waveform
0V
87
Function
Not Used
Handset Microphone
Handset Receiver
Handset Receiver
Handset Microphone
Ground