Replacing Ga-1121 Board Components; Cpu Cooling Assembly - Toshiba digital copiers Service Manual

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Replacing GA-1121 board components

Replacing GA-1121 board components
This section describes how to remove and install the following replaceable parts on the
GA-1121 board:

• CPU cooling assembly

• DIMM(s)
• Battery
To access GA-1121 board components, remove and open the GA-1121 assembly as
described on page 3-4 and page 3-5.
CPU cooling assembly
The CPU cooling assembly consists of two components: a heatsink and an air intake fan.
The CPU fan runs continuously when the copier is on.
T CPU
O REMOVE THE COOLING ASSEMBLY
1. Remove the CPU fan cable from board connector J351.
2. Using a Phillips screwdriver, remove the four screws that fasten the CPU fan to the CPU
heatsink. Set aside the screws so that you can replace them later.
When using the screwdriver, make sure not to apply excessive pressure on the board.
F 3-5
IGURE
Removing the CPU fan
CPU fan
CPU heatsink
3-11