Music On Hold (Moh)/Background Music Sources (Bgm) Is Abnormal - Samsung OFFICESERV 7100 Service Manual

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3.1.7 Music on Hold (MOH)/Background Music sources (BGM) is
Abnormal
The procedure for resolving the problem that occurs when MOH/BGM of the OfficeServ
7100 system is abnormal is as follows:
Start
Is a call
connected properly?
(Check the time switch
operation)
Yes
Does
the source set to MMC 309
perform properly?
Yes
Replace MP10/11 board.
3-8
No
Repair the time switch.
No
Check the MMC setting.
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