OfficeServ 7100 Service Manual
© SAMSUNG Electronics Co., Ltd.
3-25
3.4.4 4SLM Module
3.4.4.1 Ring Generation is not Available
No
Reaplce 4SLM.
Yes
No
Yes
Yes
Yes
Check adjacent circuit of U2 and
replace it.
Check adjacent circuit of Switching
Regulator(T200) and replace it.
Check adjacent circuit of Switching
Regulator(T200) and replace it.
Start
Le88241 Pin 69 input is -90 V?
Le88241 Pin 1 input is -90 V?
+12 V power is normal?
-54 V input power is normal?
Ring generation is not
available in all ports?
Replace Le88241. End.
Yes
No
No
No
Replace UNI and check PSU.
Содержание OFFICESERV 7100
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