OPERATION CHECK-4
DSP DEBUG MODE
TX-SR402/8240/HT-R420
D S P D e b u g M o d e
V e r s i o n 3 0 2 1 2 a
E 1 A - - - 0 - o 2 3 o
[Example]
Details
1
4
2
5
6
8
7
9
3
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
