Yamaha AW4416 Service Manual page 112

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
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.
CANCEL
To exit, press
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 →
Exit-method area → EXIT: [ENTER / CANCEL]
Start the MIDI test by pressing ENTER .
2) MIDI test result area →
MTC prompt area
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
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
. The program returns to the test menu screen, and an NG appears in the left column. The
--- MIDI CHECK ---
MAKE TEST LOOP AND PRESS ENTER
...OK <or> ...NG NG message
→
--- MTC CHECK ---
MAKE TEST LOOP AND PRESS ENTER
appears in the left column, and the cursor advances to the next
appears in the left column, and the cursor advances to the next
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