Sony DVS-7200A Maintenance Manual page 84

3-3. Troubleshooting (BKDS-7015)
3-3-4. Test Procedures
Names of ICs on the CPU-246 board corresponding to each item of the "Memory test" display on the
front page are shown below.
0. RAM
1. DEBUG RAM
2. BACKUP RAM
3. VRAM (M)
4. VRAM (S)
5. DPR (SUB)
6. DPR (SIO0)
7. DPR (SIO2)
8. DPR (SIO3)
9. DPR (AND)
10. MAIN FLASH
11. FONT FLASH
12. DPR (ETHERNET OPTION)
13. DPR (SCSI OPTION)
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The ICs of the above test items 2, 10 and 11 are stored the data if turning the power off. But if this test is
performed, the memory contents are erased. The memory content of items 2 which are the setup informa-
tion must be copied to a floppy disk before starting the test, and be down-loaded to the memory ICs after
completing the test.
3-16
Item IC
IC43 - 50
For factory
IC39
IC93, 94
IC112, 113
IC134, 135
IC85
IC1 (IF-523 board)
IC6 (IF-523 board)
IC123
IC51, 52, 55, 56
IC59, 60, 63, 64
IC104
Reserved
Reserved
DVS-7200AE MMP1