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4. Remove the two screws (B 3x35) and remove the fan
nut and the fan cover from the fan motor.
Fan nut
5. Attach the new fan motor by reversing the disassembly
steps 4 to 2.
6. Turn on the main power and check the following:
. The fan motor rotates.
. The indicator on the front panel lights in green.
BDX-N1000
Fan motor
Fan cover
B 3x35
1-4-3. Lithium Battery
The backup lithium battery is installed on IC5100 (E-3) on
the IF-694 board.
The lithium battery backs up the memory that stores the
following data:
. Date and time
. Error logs
These data will be deleted when the backup lithium battery
is removed.
After replacing the battery, re-set the date and time.
Replacement Part
Part name :
Crystal oscillator built-in type
lithium battery
Part No. :
1-767-156-11
Battery specification : Battery name
Voltage
Capacity
Replacement Procedure
1. Turn off the main power and remove the AC plug from
the outlet.
2. Remove the top panel. (Refer to Section 1-2-1.)
3. Insert a flat screwdriver tip between the IC on the
IF-694 board and the battery and remove the battery.
M4T28-BR12SH1
IC5100
Mark
4. While aligning the new battery with the pin-1 mark of
the IC, attach the new battery.
5. Re-set the date and time. (Refer to Section 1-6.)
6. Attach the top panel.
1-4. Replacing the Main Parts
M4T28-BR12SH1
2.8 V
49 mAH
Mark
Flathead (_) screwdriver
1-5 (E)
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