Denon AVR-890 Service Manual

21
AVR-2310CI/2310/890, AVC-2310
1. µcom/DSP Version display mode
1.1. Operation specifications
µcom/DSP version display mode:
When started up, the version information is displayed.
Starting up:
With the "DIMMER" and "STATUS" buttons pressed, press the "ON/OFF" button to turn the power on.
Now, press the "STATUS" button to the display the 2nd item information on the FL Display.
1.2. Display Order
Destination information →Main-µcom version information →Sub-µcom version information → DSP version information
→ APLD version information → OSD config information → OSD PRG information → OSD DAT information
1.3. Display
Any one of the following list is displayed, in the priority of ①②③④ .
Condition State Display
①
Sub-µcom NG
No response from Sub-µcom
" □ ＳＵＢ □□ ＥＲＲＯＲ □０１□ "
② DIR NG
No response from DIR
" □ ＤＩＲ □□ ＥＲＲＯＲ □０１□ "
③ DSP NG
When DSP boot, executing DSP reset makes no change to DSP FLAG 0
port "H".
" □ ＤＳＰ □□ ＥＲＲＯＲ □０１□ "
No change to DSP FLAG 0 port "H" before issuing DSP command.
" □ ＤＳＰ □□ ＥＲＲＯＲ □０２□ "
When DSP data read, executing WRITE="L" makes no change to
ACK="H".
" □ ＤＳＰ □□ ＥＲＲＯＲ □０３□ "
When DSP data read, executing REQ="L" makes no change to
ACK="L".
" □ ＤＳＰ □□ ＥＲＲＯＲ □０４□ "
When DSP data write, executing WRITE="H" makes no change to ACK="H".
" □ ＤＳＰ □□ ＥＲＲＯＲ □０５□ "
When DSP data write, executing REQ="L" makes no change to
ACK="L".
" □ ＤＳＰ □□ ＥＲＲＯＲ □０６□ "
When DSP special code boot, executing DSP reset makes no change to
DSP FLAG 0 port "H".
" □ ＤＳＰ □□ ＥＲＲＯＲ □１１□ "
No change to DSP FLAG 0 port "H" before issuing DSP special read
command.
" □ ＤＳＰ □□ ＥＲＲＯＲ □１２□ "
No change to DSP FLAG 0 port "H" before DSP version read.
" □ ＤＳＰ □□ ＥＲＲＯＲ □１３□ "
④ Both SUB/DSP OK
(No error display, version display only)

Denon AVR-890 Specifications

General

Brand	Denon
Model	AVR-890
Category	Stereo Receiver
Language	English