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3-1. DNE-1000
w
To avoid shock hazards and/or damage to the mounted
circuit boards, be sure to turn off the power switch, and
then turn off the breaker at the outside of DNE-1000 or
unplug the power cord before replacing the main parts.
3-1-1. Replacement of Power Unit
w
Allow for more than five minutes interval after turning the
power off, remove the power unit.
To avoid shock hazards, never remove the power unit just
after turning the power off.
1. Open the front panel.
(Refer to "1. Front Panel" in the section 2-1-1.)
2. Remove the four screws securing the power unit.
3. Hold the handles and pull out the power unit from the
unit.
Handle
BVTT 3x5
BVTT 3x5
Power unit
4. Install a new power unit in the reverse order of the
steps 1 through 3.
5. Confirm the secondary power supply voltage.
(Refer to the section 1-11.)
DNE-1000
Section 3
Replacement of Main Parts
3-1-2. Replacement of Fan on the Rear Panel
If the fan stops under the normal conditions, the control
panel indicates the alarm on the display panel. If indicat-
ed, replace the fan.
And if the fan is used over a prolonged period, the rotation
speed getting low by wearing. If the unit is continuously
used, periodically replace it about every two years.
n
For the replacement of the fan in the power unit, please
contact to your Sony's sales/service office.
. Locking compound : 7-432-114-11
1. Remove the four screws and the fan cover.
2. Remove the ferrite bead holding the fan harness.
3. Disconnect the following connector and remove the
4. Remove the two screws securing the fan to replace,
5. Install a new fan in the reverse order of the steps 1
(For the units of the serial numbers from 10001 to 10050.)
fan.
For the upper fan : CN1
For the lower fan : CN2
and remove the fan guard.
Notch
CN1
CN2
Ferrite bead
(Serial numbers
10001 through 10050)
through 4.
Notch
Air-flow
direction
B 4x30
Fan cover
B 3x30
3-1(E)
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Table of Contents
Troubleshooting
