Yamaha DSP-A595a Service Manual page 17

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No.10 STATUS FROM DSP MICOM
The status data from the DSP microprocessor is sequentially displayed in a hexadecimal number.
All signal processing before this menu is executed will be held.
STATUS
10 DVD/LD 0 00000000
10 DVD/LD 3 00000000
10 DVD/LD 6 00000000
10 DVD/LD 9 00000000
[STATUS 0]
<1st Byte>
bit7
bit6
bit5
bit4
acmod: If it is 1000B or more with DTS 7.1 signal, the DSP block will be muted.
<2nd Byte>
bit7
bit6
TE
L 13942296513
bit5
bit4
[Note]
IEC958: Standard to identify the PCM bit stream signal. Digital format error refers to a digital signal with the
sampling frequency undefined (neither 44.1k, 32k nor 48k). Since the operation of each device cannot be
assured at fs outside specifications, the sub-microprocessor handles this status as the forced analog mode
(ignored even if decoding is OK from the detection terminal level), and selects the signal from the analog input
terminal. Since the sub-microprocessor transmits 000B (analog) for STATUS#0 bits 4-6 to the main
microprocessor, the main microprocessor visually operates in the same way as with digital unlocking.
<3rd Byte>
bit7
bit6
bit5
bit4
<4th Byte> Always "00"
[STATUS 1] IEC958 channel status bits 00-31 available from DIR2
<1st-byte> bits 00-07
<2nd-byte> bits 08-15
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<3rd-byte> bits 16-23
<4th-byte> bits 24-31
[STATUS 2] 4-byte ASCII code of sub CPU version data
.
[STATUS 3] Displays the check sum of sub microprocessor program area with ASCII 4 bytes in a hexadecimal number.
[STATUS 4] Displays the bit stream information contained in AC-3(DOLBY DIGITAL)/DTS Digital Surround signal from the
first byte.
[STATUS 5-9] Displays the bit stream information contained in AC-3(DOLBY DIGITAL) signal from the first byte.
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1st 2nd 3rd 4th
10 DVD/LD 1 00000000
10 DVD/LD 4 00000000
10 DVD/LD 7 00000000
Mute request bit3
fs bit2
000B:Analog 001B:32kHz bit1
010B:44.1kHz 011B:48kHz
bit0
Others:Don't care
AC-3 decode OK bit3
DTS decode OK bit2
Red DTS record
bit1
(Flashes and lights)
1 for audio other than PCM
bit0
linear audio
AC3 KARAOKE bit3
DIR2 LOCKN bit2
DIR2 ERR bit1
AC3D MUTE bit0
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acmod
0000B:1+1 0001B:1/0
0010B:2/0 0011B:3/0
0100B:2/1 0101B:3/1
0110B:2/2 0111B:3/2
1000B:7.1
Demodulator muting (without RF signal)
IEC958 digital format error
Q Q
3 6 7 1 3
IEC958 commercial use device bit
IEC958 digital data bit
On-board write mode
The number of digital inputs is 2 (equivalent to 595)
DSP is AC3D2 (DTS present)
RF DEM present
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2 9 9 4 2 8
10 DVD/LD 2 00000000
10 DVD/LD 5 00000000
10 DVD/LD 8 00000000
Indicate
bit 7 6 5 4
Indicate
0
1
2
3
4
5
6
7
8
9
A
B
1 5 0 5 8 2 9 9 4
C
D
E
F
m
co
DSP-A595a
9 9
0 0
3 2 1 0
bit
3 2 1 0
7 6 5 4
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
2 8 9 9
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
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