Yamaha AW4416, Service Manual

Page: 112 / 154

AW4416
83
5-2-13 TO HOST Function Test (13 TO HOST)
(1) Display (Test Screen Type B)
1) Test name
→
TO HOST
(2) Test Content
1) Checks the host interface.
(3) Judgment
1) Prompt area
→
MAKE TEST LOOP AND PRESS ENTER
Exit-method area
→
EXIT: [ENTER / CANCEL]
Start the test by pressing ENTER .
2) If result area
→
...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 result area
→
...NG NG message
NG message
→
MAIN Tx/Rx
a) SIO4 (IC707) TX1, RX1 signal error.
NG message
→
CLOCK
a) SIO4 (IC707) TX2 signal error.
NG message
→
REC Tx/Rx
a) REC CPU (IC803) TXD1, RXD1 signal error.
To exit, press
CANCEL
. The program returns to the test menu screen, and an NG appears in the left column. The
cursor does not advance.
5-2-14 MIDI Function Test (14 MIDI)
(1) Display (Test Screen Type B)
1) Test name
→
MIDI
(2) Test Content
1) Checks the MIDI interface and MTC functions.
(3) Judgment
1) Prompt area
→
--- MIDI CHECK ---
MAKE TEST LOOP AND PRESS ENTER
Exit-method area
→
EXIT: [ENTER / CANCEL]
Start the MIDI test by pressing ENTER .
2) MIDI test result area
→
...OK <or> ...NG NG message
MTC prompt area
→
--- MTC CHECK ---
MAKE TEST LOOP AND PRESS ENTER
At the rear panel, disconnect the MIDI cable from the OUT/THRU connector, and connect it to the MTC connector
immediately to the left.
Start the MTC test by pressing ENTER .
3) MTC test result area
→
...OK <or> ...NG
4) If both tests return 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.
5) If either or both tests return NG:
MIDI-test NG message
→
MIDI Tx/Rx
a) SIO4 (IC707) TX0, RXO signal error.
MIDI-test NG message
→
THRU SELECT