Yamaha AW4416, Service Manual

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AW4416
78
Checking MIX CPU <-> HDR CPU ... NG NG message
NG message
→
No response from HDR CPU
a) Problem with Mixer CPU or HDR CPU interrupts.
NG message
→
MSB LSB
0XXX XXXX
b) Problem in the CS, Address bus, or Data bus at the Mixer CPU or HDR CPU.
To exit, press the
CANCEL
key. The program returns to the test menu screen, and an NG appears in the left column.
The cursor does not advance.
5-2-6 DSP5 Function Test (06 DSP5)
(1) Display (Test Screen Type D)
1) Test name
→
DIAGNOSTIC for DSP5
(2) Test Content
1) Checks the MAIN CPU / DSP5 interface.
2) Checks the DSP5 bus connection and serial I/O and parallel I/O connections.
(3) Judgment
1) Results area
→
1: Initialize all DSP5 ... **
2: CPU Interface
IC505 ERR = 0/10000 ... **
IC509 ERR = 0/10000 ... **
3: SIO Connection [DSP6 -> DSP5] ... **
4: SIO Connection [DSP5 -> DSP6] ... **
5: SIO Connection [DSP5 -> DSP5] ... **
6: PIO Connection [DSP6 <-> DSP5] ... skip!
ALL TEST ARE OK!
Exit-method area
→
EXIT: [ENTER / CANCEL]
2) If all tests are OK (if the overall result area displays the ALL TESTS ARE OK message):
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 a check returns an NG:
1: Initialize all DSP5 ... NG
NG message
→
TRANS ERROR
a) DSP5 initialization problem.
2: CPU Interface
NG message
→
IC505 ERR = 0/10000 ... OK
IC509 ERR = 10000/10000 ... NG
MSB
28 24 20 16 12 8 LSB
XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
a) Connection problem with IC509 Data bus, Address bus, R/W, or CS.
3: SIO Connection [DSP6 -> DSP5] ... NG
NG message
→
NG: IC301 SO[0] -> IC509 SIO[16]
a) IC301 SO[0] -> IC509 SIO[16] connection problem.
4: SIO Connection [DSP5 -> DSP6] ... NG
NG message
→
NG: IC505 SIO[40] -> IC301 SI[0]
a) IC505 SIO[40] -> IC301 SI[0] connection problem.
5: SIO Connection [DSP5 -> DSP5] ... NG
NG message
→
NG: IC505 SIO[0] -> IC509 SIO[0]
a) IC505 SIO[0] -> IC509 SIO[0] connection problem.
6: PIO Connection [DSP5 -> DSP5] ... skip!
←
not tested.
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.