Yamaha AW2816 Service Manual page 63

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3-4 Canceling a Test
(1) You can cancel a test that is currently running by
pressing the
CANCEL
* The operation method for canceling (EXIT) the
currently executed test is displayed at the bottom
left of the screen.
(Example) EXIT: [SOLO] + [CANCEL]
3-5 Displaying the Test Results
Result Indication
Normal
:
OK
01. SWITCH
Abnormal :
NG
02. LED
03. LCD
Canceled :
NG
04. DPRAM
05. DSP6
06. DSP7
07. ENCODER
08. JOG/SHUTTLE
09. IDE
10. SCSI
11. SLOT
12. TO HOST
13. MIDI
14. CD-RW(ATAPI)
15. W. CLOCK
4. Description of Each Test
4-1 Switch Input Test (01 SWITCH)
"=== SWITCH ===" is displayed on the LCD.
(1) Test Content
1) This test checks the input from all the switches on
the control panel and the footswitch.
Pressing the [SONG], [FILE], [CD PLAY] or [QUICK
REC] key will cause the nine faders to operate at the
same time.
2) The layout and names of the switches to be tested
will appear, so carry out the test in accordance with
the instructions displayed on the LCD.
3) When a switch is tested and found to be normal, the
name of that switch will disappear from the layout
and the name of the switch to be tested next will
blink.
(2) Judgment
1) If the input from all the switches is normal (i.e. all the
switch names disappear from the layout):
When all the switches are tested, the test menu will
reappear with
item (SWITCH), and the cursor advances to the next
test in the menu. (See section 3-5, "Displaying the
Test Results".)
2) If the test result is NG or if you wish to cancel the test:
Hold down the
SOLO
The test menu will reappear with "NG" displayed to
the left of the test item (SWITCH). The cursor does
not advance.
key.
=== TOTAL DIAGNOSTICS
===
BATTERY
16. DIGITAL I/O
17. FADER
18. MUTE
19. SDRAM
20. REAL TIME CLOCK
21.
22.
23.
24.
25.
26.
27.
28.
29.
OK
30. FADER AGING
displayed to the left of the test
key and press the
CANCEL
4-2 LED Test (02 LED)
"=== LED ===" is displayed on the LCD.
(1) Test Content
1) This test checks whether each control panel switch
LED lights up correctly. (See (1) in section 5,
"Miscellaneous".)
2) The LEDs light up one by one, so visually check that
they light up correctly.
(2) Judgment
1) If all tested LEDs light up correctly:
Press the
with
OK
and the cursor advances to the next test in the menu.
2) If the test result is NG or if you wish to cancel the test:
Press the
with NG displayed to the left of the test item (LED).
The cursor does not advance.
4-3 LCD Test (03 LCD)
(1) Test Content
1) This test checks the LCD.
2) Visually check whether all the dots on the LCD blink.
(2) Judgment
1) If all the dots blink correctly:
Press the
with
and the cursor advances to the next test in the menu.
2) If the test result is NG or if you wish to cancel the test:
Press the
with NG displayed to the left of the test item (LCD).
The cursor does not advance.
4-4 MAIN CPU <-> REC CPU Communication Test
(04 DPRAM)
"--- DIAGNOSTIC for DPRAM (MIX <-> HDR) ---"
is displayed on the LCD.
(1) Test Content
1) Runs a DP-RAM R/W test to check communication
between the MAIN CPU and the REC CPU.
2) Checks the MAIN CPU bus, REC CPU bus and
interrupts.
(2) Judgment
1) Result
Checking R/W
Checking MIX CPU <-> HDR CPU
key.
2) If all the test results are OK:
Press the
with
(DPRAM), and the cursor advances to the next test
in the menu.
ENTER
key. The test menu will reappear
displayed to the left of the test item (LED),
CANCEL
key. The test menu will reappear
ENTER
key. The test menu will reappear
displayed to the left of the test item (LCD),
CANCEL
key. The test menu will reappear
(**: Indicates OK or NG.)
ENTER
key. The test menu will reappear
displayed to the left of the test item
AW2816
... **
... **
63

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