Onkyo TX-SR674E Service Manual page 6

OPERATION CHECK-4(1/2)
DSP DEBUG MODE
The operation of DSP is able to checked by the information displayed on FL in this debug mode.
This information will help to pursue the cause of trouble.
To set in DSP debug mode
1. Press and hold down the DISPLAY button, then press the STANDBY button while the unit is power ON.
The version number of microprocessor is displayed only for 2 seconds.
<Ex.>
V e r . 0 .5 0 / 0 5 1 3 1 a
1. Press the TONE+ button within 2 seconds above, the version number of DSP is displayed.
<Ex.>
2. Press the DISPLAY button while " DSP :06421A" is displayed. The status of DSP and DIR will be displayed.
<Ex.>
E 1 A 4 8 K 0 N /O F F P o O
To exit
Press STANDBY/ON button.
Content of display
1 2 3
-------------------------------- DIR ------------------------------------
1
UNLOCK
E = UNLOCK
= LOCK
Digital Selector
2
0 = None
1 = OPT 3
2 = OPT 2
3 = OPT 1
4 = COAX 1
5 = COAX 2
6 = HDMI
7 = FRONT
3 DIR Status
D = Digital
A = Analog
M = Multich
P = Multich PCM
p = PCM Fixed
d = DTS Fixed
D S P :0 6 4 21 A
4 5 6
4
Sampling Frequency
and Emphasis
32K = 32 kHz without Emphasis
44K = 44.1 kHz without Emphasis
48K = 48kHz without Emphasis
64K = 64 kHz
88K = 88.2 kHz
96K = 96 kHz
176 = 176.4 kHz
192 = 192 kHz
32e = 32 kHz with Emphasis
44e = 44.1 kHz with Emphasis
48e = 48 kHz with Emphasis
5
CODEC CLOCK MODE
N = Normal
U = Up Sampling
H = High Sampling (Double Rate)
D = Down Sampling
Q = Quad Rate
6
DIR Detect Type
0 = Analog
1 = PCM
2 = Not PCM
3 = Data
4 = DTS CD (Not used)
5 = Multich
6 = Not Decided
7 8 9 10 11
------------------ DSP --------------------
7 DSP Port
0 = NIC
1 = DEC
2 = BUSY
3 = EXEC WAIT
8 DSP Sequence
04 = Boot
11 = Restart
FF = Free
9 DSP Detect Format
P = PCM (Analog)
D = Dolby Digital
d = DTS
A = AAC
? = UNKNOWN
10
DSP Decode
o = Decode OK
x = Decode NG
------- Main Micro Processor --------
11 Mute
= Selector IC(Q5501)
0
1
2 = DSP(Q201)
3 = DIR(Q301)
TX-SR674/674E/8467
(Normal state)
(Abnormal state)