Proposal Of Dsp Error Display - Pioneer SX-SW77 Service Manual

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7.1.3 PROPOSAL OF DSP ERROR DISPLAY

• Specification of DSP error display
A
O O O O - U M 9
FL
B
Example)
ERR. 0 D I E R - U M
ERR. 1 D S E R - U M
ERR. 2 H R E Q - U M
ERR. 3 D S N G - U M
C
ERR. 4 D M U T -
NO ERR D S O K -
(The source is 88.2/96kHz.)
NO ERR D S O K -
(The source is 88.2/96kHz.)
• DSP error message mode
D
Press the "SOUND" key in test mode, to select the mode that DSP error messages are displayed.
Press the "SOUND" key again to select the normal test mode.
For this reason, make the usual function of "SOUND" not effective in the test mode.
E
F
44
1
2
96k (This character is displayed while the source is 88.2 or 96kHz PCM.)
DSP MUTE (This character is displayed while DSPMUTE is active.)
DIR UNLOCK (This character is displayed while DIR is UNLOCK.)
Space
The name of an error is displayed by four characters.
Data cannot be received from DIR. → DIR is assumed to be in failure.
Data cannot be received from DSP. → Communication between DIR and
DSP is in failure. → DSP is assumed to be in failure.
No value is returned from HREQ. → DSP is assumed to be in failure.
There are DSP error data. → Communication between DIR and DSP is in
failure. → DSP is assumed to be in failure.
DECMUTE is always activated. → Communication between DIR and DSP
M
is in failure. → DSP is assumed to be in failure.
9
96-kHz source data are being played back.
No abnormality
SX-SW77
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3
3
4
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