Yamaha AW4416 Service Manual page 116

5-2-20 Mute Function Test (20 MUTE)
(1) Display (Test Screen Type B)
1) Test name → MUTE
(2) Test Content
1) Checks the operation of the analog-output mute.
(3) Judgment
1) Prompt area →
Exit-method area → OK: [ENTER], NG: [CANCEL]
Confirm that analog input is played out as analog output (mute off).
2) Press the ENTER key and confirm that the mute comes on.
Prompt area →
NEXT CHECK PRESS ENTER
→
3) If result is OK:
Press ENTER to return to the test menu. An
next test in the menu.
4) If result is NG:
CANCEL
Press . The program returns to the test menu screen, and an NG appears in the left column. The cursor
does not advance.
5-2-21 SDRAM (DRC) Function Test (21 SDRAM)
(1) Display (Test Screen Type C)
1) Test name → SDRAM (DRC)
(2) Test Content
1) Tests DRCNI connections.
(3) Judgment
1) Exit-method area → EXIT: [ENTER / CANCEL]
2) If all connections are OK:
Result area: →
Press ENTER to return to the test menu. An
test in the menu.
3) If connection is NG:
Result area: → ... NG DRC - SDRAM
NG message → (check CPU -> DRC -> SDRAM)
a) REC CPU (IC803) - DRC (IC830) - SDRAM (IC801, IC802) connection problem.
NG message → (check IDE -> DRC -> SDRAM)
a) Internal HDD - DRC (IC830) - SDRAM (IC801, IC802) connection problem.
NG message → (check SCSI -> DRC -> SDRAM)
a) External HDD - DRC (IC830) - SDRAM (IC801, IC802) connection problem.
CANCEL
Press . The program returns to the test menu screen, and an NG appears in the left column. The cursor
does not advance.
--- A/D -> D/A Mute off ---
NEXT CHECK PRESS ENTER
--- A/D -> D/A Mute off ---
--- A/D -> D/A Mute on ---
DRC - SDRAM
IDE - DRC - SDRAM
SCSI - DRC - SDRAM
appears in the left column, and the cursor advances to the next
IDE - DRC - SDRAM
SCSI - DRC - SDRAM
appears in the left column, and the cursor advances to the
...OK
...OK
...OK
(check CPU -> DRC -> SDRAM)
(check IDE -> DRC -> SDRAM)
(check SCSI -> DRC -> SDRAM)
AW4416
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