Samsung OFFICESERV 7100 Service Manual page 139

3.4.8.4 When the Call Is Not Connected
The method to solve the problem when the call is not connected to the 16SLI2/16MWSLI
port is as follows:
Check if the PCM_FS signal is
generated from PIN5 of U1.
Is the PCM_FS signal
generated?
Yes
Is the signal generated
from HWR?
Yes
Is the RX signal generated
between TIP-RING?
Yes
Repair the MP40/LP40 board.
End
© SAMSUNG Electronics Co., Ltd.
No
Check or replace U1.
No
Repair the highway of the MP40
board and the mother board.
No
Replace SLAC.
OfficeServ 7100 Service Manual
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