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4.8 REMOVING/REPLACING THE POWER SUPPLY PCB
1.
Confirm that the POWER switch is off.
2.
Remove the top cover assembly as directed in part 4.2.
3.
Disconnect the two forward cables (A) from the system PCB. DO NOT
disconnect them from the power supply PCB (B).
4.
Disconnect the remaining three cables (C) from the power supply
PCB.
FIGURE 4-12 Disconnecting the Power Supply PCB Cables
Page 4-11
5.
Remove the three screws (D) and slide the power supply PCB forward
to remove it.
FIGURE 4-13 Removing the Power Supply PCB
6.
To install a new power supply PCB (FLOPS1), follow the above
procedures in reverse.
NOTE:
The two forward cables (A) MUST PASS THROUGH the
keyboard bridge when connected.
MODEL:T1200H/HB
Page 4-12
4.9 REMOVING/REPLACING THE FDD (FLOPPY DISK DRIVE) BASE
1.
Confirm that the POWER switch is off.
2.
Remove the power supply PCB as directed in part 4.8. Also remove
the power panel (A) with the two screws (B). Then, remove the
keyboard unit and keyboard bridge as directed in parts 4.4 and 4.6.
(It is not necessary to disconnect them.)
3.
Disconnect the expansion bus connector (C) and remove the line jack
(D) from its mounting on the back of the FDD base (E).
4.
If replacing the FDD base, remove the sub battery (F) from the rear
of the FDD base.
5.
Demount the built-in modem (G) from connector PJ8 and lay it on the
system PCB. (It is not necessary to disconnect it.)
FIGURE 4-14 Disconnecting the Line Jack and Removing the Sub Battery
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