Check With Test Mode; Μcom/Dsp Error Display Mode - Denon AVR-2308CI Service Manual

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CHECK WITH TEST MODE

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µcom/DSP Error Display Mode
1. Operation Spec
µcom version display mode:
When the following conditions are satisfied at its starting state, error information is displayed before version information.
Starting method (same as µcom version display):
E3,JP model
While pressing 2 buttons, "STATUS " and "DIMMER ", turn on on/off button.
Then, press "STATUS" button to display the following information on the FL Display.
E2,E2A model
While pressing 2 buttons, "RT " and "PTY ", turn on on/off button.
Then, press "PTY" button to display the following information on the FL Display.
E3,JP model
on/off button DIMMER STATUS
2. Display Order
T E
Error information Destination information Main-µcom version information
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DSP version information
3. Display
Any one of the following list is displayed, in the priority of
Condition State
Sub-µcom NG No response from Sub-µcom
No response from DIR
DIR NG
DSP1 NG When DSP boot, executing DSP reset makes no change to BUSY port "L".
No change to BUSY port "L" before issuing DSP command.
When DSP data read, executing WRITE="L" makes no change to ACK="H".
When DSP data read, executing REQ="L" makes no change to ACK="L".
When DSP data write, executing WRITE="H" makes no change to ACK="H".
When DSP data write, executing REQ="L" makes no change to ACK="L".
When DSP special code boot, executing DSP reset makes no change to
BUSY port "L".
No change to BUSY port "L" before issuing DSP special read command.
No change to BUSY port "L" before DSP version read.
w w w
Both SUB/DSP OK
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E2,E2A model
on/off button PTY RT
Sub-µcom version information
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Display
1
1
1
1
1
1
1
1
1
(No error display, version display only)
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E3,JP model
on/off button DIMMER
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1
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7
AVR-2308CI / AVR-888 / AVR-2308 / AVC-2308
2 4 9 8 2
E2,E2A model
STATUS on/off button
5 0 8 9 2 4 9 8
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(
9 9
PTY RT
2 9 9
1
1
1
1
1
1
1
1
1
)