Atari 1040STE, Field Service Manual

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SECTION FOUR: DISASSEMBLY/ASSEMBLY
4.1 STE DISASSEMBLY
Use the following procedure to disassemble the STE. Refer to Assembly Drawing,
Section 6.
4.1.1 Top Cover/Keyboard Removal
1. Turn unit upside down
2. Remove the 6 screws from the square holes. These fasten the top case to the
bottom. If the printed circuit board is to be exposed, or the disk drive is to be
removed, also remove the three screws from the round holes. These hold the
disk drive in place.
3. Turn the unit upright and remove the top case.
4. Remove the keyboard by unplugging the keyboard harness connector located
in the right front corner.
4.1.2 Disk Drive Removal
Remove the the screws in the round holes. Lift the disk drive slightly and unplug the
power harness connector and the ribbon cable.
4.1.3 Power Supply Removal
The power supply may be left in place and the upper shield removed in one piece for
troubleshooting, as follows:
1. Remove one screw on the right side of the power supply shield. Remove
three screws from the back panel EMR shield to the power supply shield.
2. Straighten the two twist tabs.
3. Lift off the power supply shield from the rear.
4. Unplug the wire harness connector in the right front corner of the power
supply.
5. Remove two screws at front corners of power supply.
6. Lift the power supply up out of the main assembly.
4.1.4 Removal of Main Assembly from Bottom Case
1. Remove three screws from the front of the shield/printed circuit board
assembly.
2. If power supply has not already been removed, remove the two screws
securing the power supply to the case at the front corners of the power
supply. This can be done by inserting a screwdriver through the holes in the
power supply shield or by removing the shield.
3. Lift the assembly up from the front and pull forward.