AW4416
77
(2) Test Content
1) This test checks the LCD dots.
2) This is a visual test. Check that all dots blink continuously.
(3) Judgment
1) Exit-method area
→
blank
2) If all dots blink correctly (based on visual check):
Press ENTER to return to the test menu screen. An
appears in the left column, and the cursor advances to
the next test in the menu.
3) If the result is NG or if you wish to stop the test before completion:
Press
CANCEL
. The program returns to the test menu screen, and an
NG
appears in the left column. The cursor
does not advance.
5-2-4 FL Segment Test (04 FL)
(1) Display (Test Screen Type A)
1) Test name
→
FL
(2) Test Content
1) This test checks that the FL segments light up correctly.
2) This is a visual test. Segments first blink in order, and then all the segments come on solid. Confirm that all of the
segments light up.
(3) Judgment
1) Exit-method area
→
OK: [ENTER], NG: [CANCEL]
2) If visual check shows that operation is normal:
Press ENTER to return to the test menu screen. An
appears in the left column, and the cursor advances to
the next test in the menu.
3) If the result is NG or if you wish to stop the test before completion:
Press
CANCEL
. The program returns to the test menu screen, and an
NG
appears in the left column. The
cursor does not advance.
5-2-5 MAIN CPU
⇔
REC CPU Communication Test (05 DPRAM)
(1) Display (Test Screen Type D)
1) Test name
→
DIAGNOSTIC for DPRAM (MIX <-> HDR)
(2) Test Content
1) Runs a DP-RAM R/W test to check communication between the MAIN CPU and the REC CPU.
2) Tests the MAIN CPU bus, REC CPU bus, and interrupts.
(3) Judgment
1) Results area
→
Checking R/W ...**
→
Checking MIX CPU <-> HDR CPU ...**
Exit-method area
→
EXIT: [ENTER / CANCEL]
2) If the results area shows that all test results are OK:
Press ENTER to return to the test menu screen. An
appears in the left column, and the cursor advances to
the next test in the menu.
3) If a check returns an NG:
Checking R/W ... NG NG message
NG message
→
MSB
LSB
0XXX XXXX
a) Write and Read values did not match. A “0” indicates that the bit matched; an “X” indicates a mismatch.
b) If all bits are “X”, there is a problem with the CS or the Address bus.
c) If only one bit is “X”, there is a problem with the Data bus.
Summary of Contents for AW4416
Page 7: ...AW4416 60 A A 7 8 PHONES MONITOR OUT PEAK PEAK MAIN Circuit Board 3NA V544810 3 1 ...
Page 11: ...AW4416 64 PN SW Circuit Board Pattern side 3NA V544820 3 3 Pattern side ...
Page 15: ...AW4416 68 B B C C SUB CPU Circuit Board SUB FADER Circuit Board 3NA V544830 3 ...
Page 16: ...69 AW4416 B B C C Pattern side Pattern side 3NA V544830 3 ...
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