Replacing The Switching Regulator; Hdc1000 - Sony HDC1000 Maintenance Manual

2-11. Replacing the Switching Regulator

2-11-1. HDC1000

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The switching regulator is a critical part for safety. If it is
replaced with an unspecified part, a fire or electric shock
may be caused.
Be sure to use the specified switching regulator below for
replacement.
REGULATOR, SWITCHING: ! 1-468-861-11
m
. To avoid electric hazards when disconnecting the power
assembly, allow at least three minutes after powering off.
To turn off the power, disconnect the optical cable or the
cable connected to the DC IN connector in addition to
turning off the power switch.
. The power assembly will go very hot during operation. If
you touch the power assembly, there is some danger to
get burned.
When you repair power supply and peripheral equip-
ment, allow a few minutes after powering off until the
inside cools off.
1. Open the right side panel and left side panel.
(Refer to Section 1-4.)
2. Remove the two screws, and remove the harness
guard.
3. Disconnect the harnesses from the five connectors on
the power assembly.
Power assembly
Harness guard
2-22
4. Remove the two screws, and remove the power unit
5. Remove the four screws, and remove the switching
6. Install the switching regulator by reversing the steps
PWH3 x 5
bracket.
regulator from the power unit bracket.
Screws (M2.6)
Power unit bracket
above.
Switching regulator
PWH
3 x 5
Screws (M2.6)
HDC1000/V1(E)