DP120F/DP125F Troubleshooting
11-22
March 2000 © TOSHIBA TEC
1.5.5 SRAM TEST
[MENU], [9], [4], [05]
This test conducts a read/write test on all the areas of the SRAM.
(1)
Use the [
↑
] or [
↓
] key to select the "05. SRAM TEST", and then press the [ENTER] key.
<Remarks>
If a memory error occurs, the address where the error occurred is dis-
played and the procedure is suspended. The test will resume upon press-
ing the [START] key.
<Remarks>
The address assigned to each memory is as in the table below.
When an error occurs, refer to this table.
(2)
When you complete the test, press the [STOP] key to return to the standby mode screen.
(3)
Depending on the result of the test, replace the Main PBA referring to "Chapter 8: Re-
moval/Replacement/Adjustment" on page 8-46.
→
SRAM TEST
TESTING
On completing all the
addresses normally
SRAM TEST
OK
→
SRAM TEST
NG
ADDRESS=
YYYYYYH
If no further errors are
found after resuming
SRAM TEST
NG
COMPLETED
Address (H)
IC No.
Installed PBA
F00000 to F7FFFF
IC30, IC31
Main PBA
Summary of Contents for DP120F
Page 1: ...PLAINPAPERFACSIMILE File No 31200001 R0112216901 TTEC ...
Page 401: ...DP120F DP125F Circuit Description 7 92 March 2000 TOSHIBA TEC 07 05 00 Fig 7 5 1 ...
Page 656: ...DP120F DP125F Troubleshooting 11 44 March 2000 TOSHIBA TEC ...
Page 700: ...DP120F DP125F Appendix 12 2 March 2000 TOSHIBA TEC 1 2 Error Count List ...
Page 701: ...March 2000 TOSHIBA TEC 12 3 DP120F DP125F Appendix 1 3 Function List for Maintenance ...
Page 702: ...DP120F DP125F Appendix 12 4 March 2000 TOSHIBA TEC 1 4 Drum Unit ...
Page 703: ...March 2000 TOSHIBA TEC 12 5 DP120F DP125F Appendix 1 5 Memory Dump List ...
Page 706: ...SHUWA SHIBA PARK BLDG A 2 4 1 SHIBA KOEN MINATO KU TOKYO 105 8524 JAPAN ...