Samsung OFFICESERV 7100, Руководство по обслуживанию

Страница: 104 / 291

CHAPTER 1 3.
Error! Use the Home tab to apply
제목
1,
장 제목
1 to the text that you want to appear here.
3-10
© SAMSUNG Electronics Co., Ltd.
3.2 Motherboard
Describes problems that may occur on the motherboard and their troubleshooting.
3.2.1 Motherboard does not Operate
The procedure for resolving the problem that occurs when the motherboard does not
operate is as follows:
No
Does the board
operate on the slot?
No
Mount a normal board on
corresponding slot.
Does the
normal board operate properly on
the slot?
No
Yes
Check ADDRESS,
DATA BUS, RD, WR.
If ADDRESS and DATA BUS are
abnormal, check which path causes
the error up to MP10/11 board.
Yes
No
Check the 4 MHz and FOI signals
sent from MCP board.
Check the 4.096 MHz,
CLKX, and FSX signals
generated from U21(STL9604).
- Check signals in buffers of
MP10/11 board(U19).
- If buffer input is abnormal, check
from U2 to buffer.
- If buffer output is abnormal,
replace the buffer.
Check the 4.096 MHz,
CLKX, and FSX signals
generated from U21(STL9604)
Yes
No
- Check if CDRST, EN, INTS,
and INTD signals are normal.
- Check the 30 pin connector
connection status.
Does each slot
1~2 group operate normally?
Are 4.096 MHz,
CLKX, and FSX clock signals
normal?
Yes
Are the clock signals normal?
End
Mount the target board on
another slot and operate it.
End
Move to troubleshooting sction
of corresponding board .
Yes