Samsung OFFICESERV 7100 Service Manual page 154

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3.5.3.2 Abnormal Operation of All the DSPs of the RCM Board
The method to solve the problem when all the DSPs of the RCM board do not operate is as
follows:
Check the 16.384 MHz clock.
Is there anything abnormal?
No
Check if all the resets of the
board are HIGH.
Check if the 4 MHz,
FOI signal is normal.
Check if the signal is input to the
highway, and if there is no signal,
detect up to the time switch(9603)of
the MP10/11 board and repair it.
Is there anything abnormal?
No
Check the ADDRESS/DATA
buffer signal.
3-60
Yes
Replace the oscillator(Y1).
Yes
Repair the corresponding item.
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