Yamaha AW4416, Руководство по обслуживанию

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AW4416
87
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
→
--- A/D -> D/A Mute off ---
NEXT CHECK PRESS ENTER
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
→
--- A/D -> D/A Mute off ---
NEXT CHECK PRESS ENTER
→
--- A/D -> D/A Mute on ---
3) If result is OK:
Press ENTER to return to the test menu. An appears in the left column, and the cursor advances to the
next test in the menu.
4) If result is NG:
Press
CANCEL
. 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:
→
DRC - SDRAM ...OK
IDE - DRC - SDRAM ...OK
SCSI - DRC - SDRAM ...OK
Press ENTER to return to the test menu. An appears in the left column, and the cursor advances to the next
test in the menu.
3) If connection is NG:
Result area:
→
... NG DRC - SDRAM (check CPU -> DRC -> SDRAM)
IDE - DRC - SDRAM (check IDE -> DRC -> SDRAM)
SCSI - DRC - SDRAM (check SCSI -> 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.
Press
CANCEL
. The program returns to the test menu screen, and an NG appears in the left column. The cursor
does not advance.