OPERATION CHECK-4
DSP DEBUG MODE
TX-SR402/8240/HT-R420
DSP Debug Mode
Version 30212a
E1A---0 -o 23 o
[Example]
Details
1 42 5 6 87 93
Regarding the DSP debug mode
TIn this test mode, the check with normal communication of a microcomputer and the data of DSP and DIR is possible.
This information is a help to find the cause of failure.
UNLOCK
E = UNLOCK
= LOCK
1
Digital Selecter
D = DIGITAL
A = ANALOG
1 = COAX
2 = OPT1
3 = OPT2
4 = Others
2
Sampling Frequency
96 = 96kHz
48 = 48kHz
44 = 44kHz
32 = 32kHz
= Not detect
3
MEMORY Address
0 = AC3+PLII
1 = AC3/PCM+T-D
2 = DTS/DTS-ES
3 = DTS
5 = AAC+PL"6" : COS
7 = FACTORY TEST MODE
6
Pre Emphasis
K = OFF
e = ON
4
ROM/RAM Select/Download Status
H = RAM (Complete Auto Boot)
L = ROM (Under Auto boot)
7
DSP Detect Format
[IEC61937]
00: Null
01: Dolby Digital
03: Pause
04: MPEG1 L1
05: MPEG1 L23/MPEG2 w/o
06: MPEG2 w/o
07: MPEG2 AAC
0B: DTS1
0C: DTS2
0D: DTS3
1B: MPEG2 AAC1
1C: MPEG2 AAC2
[Except IEC61937]
20: Silent
21: DTS LD
22: DTS CD
23: PCM
8
DSP Decode
0 = Decode OK
X = Decode NG
- = Analog in
9
<How to go in DSP debug mode>
1. Press and hold down the DISPLAY button, then press the STANDBY button when the unit is power ON.
2. Press the DISPLAY button, while the display of "Version 30212a" has come out.
<How to EXIT>
Press STANDBY/ON.
<Explanation of each parameter>
DIR
MEMORY/DOWNLOAD
DIR Status
0 = PCM/ANALOG
2 = DTS CD
5 = DD/DTS/AAC
5
DSP
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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