— 6 —
6. To remove the Main PCB, release the 3 locking supporters of point A and the COM1 port outside screws.
5. The each parts of the Main PCB are located as shown in the picture.
7. Power supply unit cover is removed by 3 screws. And, the 3 Fuses are located as shown in the picture.
Battery
Flash ROM 1 (2 Mbytes)
Main PCB
RAM 1 (128 Kbytes)
RAM 4
Option
RAM 3
Option
COM 1 port
CPU
Buzzer
Printer cable
Display cable
Power supply connector
Reset Switch
Keyboard select switch
Remove 2 screws for COM 1 port.
Point A
Release 3 locking
suppeares.
Main PCB
Remove the 3 screws.
Then, remove the power supply cover.
Power transformer
Fuse F1
250V 1A
Fuse F2
250V 2A
Fuse F3
250V 400mA
(Not used for CE-6000)
Содержание CE-6800
Страница 5: ...3 2 BLOCK DIAGRAM 2 1 PCB CONNECTION...
Страница 31: ...29 5 HIN211CA T 7 LC7932M TE R 6 HY628100ALLG 70...
Страница 33: ...31 9 LM2576HVT 5 0LB03 10 MTA001M F4101...
Страница 35: ...33 15 SN74LV00APWR 16 SN74LV02APWR 14 SN74HC27PWR 17 SN74LV08APWR...
Страница 36: ...34 18 SN74LV138APWR 19 SN74LV139APWR...
Страница 37: ...35 20 SN74LV165APWR...
Страница 38: ...36 21 SN74LV165APWR 22 SN74LV174APWR...
Страница 39: ...37 23 SN74LV32APWR 24 SN74LV74APWR...
Страница 40: ...38 7 PCB LAYOUT MAIN PCB Front side...
Страница 41: ...39 MAIN PCB Back side...
Страница 43: ...41 CASIO COMPUTER CO LTD CE 6800 EX 475P Model Name SYSTEM BLOCK DIAGRAM Drawing No E140329P...
Страница 44: ...42 42...
Страница 45: ...43 RAM3 and RAM4 are option For CE6800 the Flash ROM2 is not used...
Страница 46: ...44...
Страница 47: ...45...
Страница 48: ...46...
Страница 49: ...47 DRW3 and DRW4 are not used...
Страница 50: ...48...
Страница 51: ...49...
Страница 52: ...50...
Страница 53: ...51...
Страница 54: ...52...
Страница 55: ...53 Voltage selector is not used for CE 6800...
Страница 56: ...54...
Страница 57: ...55...
Страница 72: ...70 13 DRAWER DL 2771...