Sru Pcb (Optional) - Panasonic DX-2000 Service Manual

3.11. SRU PCB (Optional)

CN90
Refer to LCU PCB CN23.
CN91
Pin No. Signal Name
CN91-1 NC
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
TEL
SET
CN91
Signal Waveform
0V
103
CN90
1 5
Function
Not Connected
Handset Microphone
Handset Receiver
Handset Receiver
Handset Microphone
Ground