Hdc1400/1500/1580 - Sony HDC1000 Maintenance Manual

2-11-2. HDC1400/1500/1580

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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: ! 1-468-862-11
1. Remove the inside panel and outside panel.
(Refer to Section 1-4.)
2. Draw all the plug-in boards and the DC/DC converter
unit along the board rail grooves and remove them.
VDA-63 board
3. Disconnect the harnesses from the five connectors on
the switching regulator.
4. Remove the three screws, and remove the switching
regulator, hanging band (REAR), and the harness
clamp.
Connectors
Switching regulator
Hanging band (REAR)
HDC1000/V1(E)
DC-DC converter unit
DAP-33 board
AU-298 board
AT-163 board
Connectors
B2.6 x 5
Harness clamp
B2.6 x 5
5. Remove the two screws to detach the power supply
bracket from the switching regulator.
m
. There is the thermattach tape (AC/DC) between the
switching regulator and power supply bracket.
Detach the power supply bracket slowly and surely.
. Replace the thermattach tape (AC/DC) with new
one.
6. Remove the two poron sheets from the switching
regulator.
Switching regulator
Poron sheets
7. Install the switching regulator by reversing the steps
above.
Power supply bracket
B2.6 x 5
Thermattach
tape (AC/DC)
2-23