Yamaha DRX-1 Service Manual page 53

DSW BASIC ENGINE TESTS
Start Diagnostic Software
and select Command mode
Basic Engine S2B Echo Test
Command: 601
Basic Engine Tray Open Test
Command: 616
Insert a DVDRW video disc
Basic Engine Tray Close Test
Command: 615
Basic Engine S2B Write Read Test
Command: 617
BASIC ENGINE PART OK
3. Digital Board-9
NOK
OK
NOK
OK
OK
NOK
OK
NOK
OK
Fig. 12
- Check IC 7202
- Check Basic Engine
- Check Basic Engine
- Check Basic Engine
- Check Basic Engine
- Check IC 7100
DRX-1
53