Samsung OFFICESERV 7100 Service Manual page 123
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Also See for OFFICESERV 7100:
- Technical manual (709 pages) ,
- Installation manual (103 pages) ,
- Description (97 pages)
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3.4.5.4 C.O. line Call cannot be Connected
The procedure for resolving the problem that occurs when C.O. line call cannot be connected
is as follows:
Start
Check if TX is abnormal
while RX is normal?
No
Check if TX is normal while
RX is abnormal?
No
Check if TX and RX
are abnormal?
No
End
© SAMSUNG Electronics Co., Ltd.
Yes
Check the P3 signal
of the CODEC.
Is TX signal generated?
No
Check the signals of HWR
(PIN6 of CODEC) and BCLKX
(PIN9,10 of CODEC)
╋
Yes
Check the PIN 14 of the CODEC.
Is the RX signal detected?
No
Check the abnormal part by
tracking up to C.O connector.
╋
Check TX and RX signals on
Yes
PIN3 and PIN14 of
corresponding CODEC.
Is PIN3(TX) abnormal?
No
Is PIN14(RX) abnormal?
No
End
OfficeServ 7100 Service Manual
Yes
Check the abnormal part by
tracking up to C.O connector.
Check the signals of HWX
Yes
(PIN11 of CODEC) and BCLKX
(PIN9,10 of CODEC).
Check PIN9/10(BCLKX),
Yes
PIN5/12(FS), PIN6(HWR), and
PIN11(HWX) of CODEC.
Check PIN9/10(BCLKX),
Yes
PIN5/12(FS), PIN6(HWR), and
PIN11(HWX) of CODEC.
3-29
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