Yamaha AW4416 Service Manual page 114

(3) Judgment
1) Prompt area
Exit-method area
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 → 48k INTERNAL CLOCK
a) Oscillation error in 48K word clock. (X703 is defective.)
NG message → 44.1k INTERNAL CLOCK
a) Oscillation error in 44.1k word clock. (X702 is defective.)
NG message → 48k 0% VARI
a) Error in 48k oscillation. (VCO49 or IC710 is defective.)
NG message → 48k +7% VARI
a) Error in 48k+7% oscillation. (VCO49 or IC710 is defective.)
NG message → 48k -7% VARI
a) Error in 48k-7% oscillation. (VCO49 or IC710 is defective.)
NG message → 44.1k 0% VARI
a) Error in 44.1k oscillation. (VCO45 or IC710 is defective.)
NG message → 44.1k +7% VARI
a) Error in 44.1k+7% oscillation. (VCO45 or IC710 is defective.)
NG message → 44.1k -7% VARI
a) Error in 44.1k-7% oscillation. (VCO45 or IC710 is defective.)
NG message → WC I/O (48k INT)
a) ALRCK or WCKIN signal error
CANCEL
To exit, press
The cursor does not advance.
5-2-18 Digital-I/O Function Test (18 Digital I/O)
(1) Display (Test Screen Type B)
1) Test name → DIGITAL I/O
(2) Test Content
1) Checks digital I/O (SPDIF) signal sending and receiving.
2) Checks digital audio signals.
(3) Judgment
1) Prompt area
Exit-method area
Start the test by pressing the ENTER key.
2) If result area → --- STATUS CHECK ---
Press ENTER to return to the test menu. An
test in the menu.
→ MAKE TEST LOOP AND PRESS ENTER
→ EXIT: [ENTER / CANCEL]
. The program returns to the test menu screen, and an NG appears in the left column.
→ MAKE TEST LOOP AND PRESS ENTER
→ EXIT: [ENTER / CANCEL]
...OK
--- AUDIO CHECK ---
...OK
appears in the left column, and the cursor advances to the next
appears in the left column, and the cursor advances to the next
AW4416
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