— 34 —
6
SRAM READ CHECK
Press ESC, then 5 button. The following display appears.
SRAM CHECK
(128K)= OK
7
FLASH CROSS BIT CHECK
Press ESC, then 6 button. The following display appears.
FLASH CHECK
(CS5)= 1M
NGF5
(CS4)= 1M
XXXXXXXX
NGF4
BANKXX
“(CS4)= NC” is displayed in stead of “(CS4)= 1M” with BN-10.
And “NGF4” is not displayed with BN-10 also.
8
FLASH CROSS BIT CHECK F
The flash ROM LSI304 (306) is formatted at first, and then the data for this check are written into
LSI304 (306). Next, these data are read from LSI304 (306).
Press ESC, then 7 button. The following display appears.
FLASH CHECK
(CS5)=
1M
OKF5 OKW5 OKR5
(CS4)=
1M
XXXXXXXX
OKF4 OKW4 OKR4
BANKXX
OKW5 (4) indicates that the data for this check could be written into LSI304 (306) without prob-
lems.
NGW5 (4) indicates that the data for this check could not be written into LSI304 (306).
OKR5 (4) indicates that these data could be read from LSI304 (306) without problems.
NGR5 (4) indicates that these data could not be read from LSI304 (306).
“(CS4)= NC” is displayed in stead of “(CS)= 1M” with BN-10.
“OKF4 OKW4 OKR4” is not displayed with BN-10 also.
9
Press ESC button twice. Doing so, TEST MENU display appears.
5-2-3. FLASH CHECK
It is unnecessary to perform this check because the operation of flash ROM LSI304 (306) can be
checked using 5-5-2. MEMORY CHECK described above.
5-2-4. KEY CHECK
1
Pressing 4 button, the following KEY MENU display appears.
# # # KEY CHECK # # #
1 AUTO KEY CHECK
2 RANDOM KEY CHECK
Содержание BN-10
Страница 1: ...R BN 10 ZX 456 BN 20 ZX 457 NOV 1997 without price BN 20 ...
Страница 49: ... 49 Main block PCB ASSY A140806 2 5 FM3416 Gate array ...
Страница 50: ... 50 Main block PCB ASSY A140806 3 5 1 KEY81 CHECK TRANS KEY is a key for TEST not one for users ...
Страница 51: ... 51 Main block PCB ASSY A140806 4 5 LINE DRIVER RECEIVER ...
Страница 52: ... 52 Main block PCB ASSY A140806 5 5 AC Adapter Batteries ...
Страница 55: ... 55 Display block LCD ASSY A140809 A140814 2 3 LCD common terminal driver ...
Страница 56: ... 56 Display block LCD PCB ASSY A140809 A140814 3 3 LCD segment terminal driver ...
Страница 57: ... 57 Cradle A140805 BN 10 20 PCB Z456 1 shielded ...
Страница 65: ...CASIO TECHNO CO LTD Overseas Service Division 8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 0023 Japan ...