NEC PC-8201 - Power Supply Board; Main Board

4.2.4 Power Supply Board
(1) Turn off the power: remove the battery case: Lurn off the backup powzr
switch.
(If using
an AC adapter. remove it also.)
(2) Remove PC-8201 cover.
Remove power supply connector.
Remove power supply board.
(3) Replace power supply board.
(4) Reassemble in reverse order.
4.2.5 Main Board
(1) Turn off the power: remove the battery case: turn off the backup power
switch.
(If using an AC adapter, remove
it also.)
(2) Remove PC-8201 cover.
Remove LCD connector.
Remove
LED connector.
Remove key board connector.
Remove power supply connector.
Remove main board.
(3) Replace the main board.
(4) Reassemble in reverse order.
4.2.6 ROM
(1) Turn off the power: remove the battery case: turn off the backup power
switch.
(If using
an AC adapter, remove it also.)
(2) Unscrew the ROM cover. (Three points)
ROM Cover Screws
4-5