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11. If the K2600R you are servicing has a Digital I/O Option, follow the procedure on
page 3-4 to replace it. If the K2600R you are servicing has a Small Digital I/O Board,
follow the procedure on page 3-5 to replace it.
12. Follow the procedure on page 3-3 to replace the Audio Board.
Removing the Power Supply Board
1. Disconnect the cables listed in Table 3-5.
Ref.
J101
J102
J103
J104
J105
J106
J107
J108
Table 3-5
2. The Power Supply Board is secured to the K2600R bottom enclosure with four screws.
Two screws are located at the left edge of the board (as viewed standing at the rear panel),
and two screws are located at the heatsink mounting bracket. Remove these screws.
3. Remove the Power Supply Board.
Replacing the Power Supply Board
1. Place the Power Supply Board in position over the mounting standoffs on the bottom
enclosure. Be certain that the area is clear of disconnected cables and loose hardware.
2. Install the four screws that secure the Power Supply Board to the bottom enclosure.
3. Connect the cables listed in Table 3-5.
Removing the Transformer
1. Disconnect the stranded wire cable from the transformer to the AC Entry Module.
2. Disconnect the two stranded wire cables from the Power Supply Board at locations J101
and J102.
3. Disconnect the stranded wire cable from the Backlight Board. This cable connects to J104
on the Power Supply Board.
4. Remove the four screws and split washers that secure the transformer to the bottom
enclosure, and remove the transformer.
Name
System Secondary
HDD Secondary
Fan Supply
Backlight Supply
CPU DC Power
HDD Supply
Audio Power
Scanner Power
Power Supply Board cables
K2600R Disassembly/Assembly
Cable Type
stranded wire
Transformer
stranded wire
Transformer
stranded wire
Fan Assembly
stranded wire
Backlight Power Board
stranded wire
CPU Board
stranded wire
HDD
stranded wire
Audio Board
stranded wire
Front Panel/Scanner Board
Opening the K2600R
Destination
3-9
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