Casio CE-6800 Service Manual page 8

5. The each parts of the Main PCB are located as shown in the picture.
Battery
RAM 4
Option
RAM 3
Option
COM 1 port
6. To remove the Main PCB, release the 3 locking supporters of point A and the COM1 port outside screws.
7. Power supply unit cover is removed by 3 screws. And, the 3 Fuses are located as shown in the picture.
Remove the 3 screws.
Then, remove the power supply cover.
RAM 1 (128 Kbytes)
Reset Switch
Remove 2 screws for COM 1 port.
— 6 —
Flash ROM 1 (2 Mbytes)
Main PCB
Keyboard select switch
Fuse F3 Fuse F2 Fuse F1
250V 400mA 250V 2A 250V 1A
(Not used for CE-6000)
Printer cable
Power supply connector
Buzzer
CPU
Display cable
Point A
Release 3 locking
suppeares.
Main PCB
Power transformer