Onkyo HT-R560 Service Manual page 61

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3 7 63 1515 0
DEBUG MODE-3
DSP DEBUG MODE-3
Trouble Shooting by DSP DEBUG MODE (Continued)
Symptom on FL display
Digit No.
on FL
Continue to display
7
Continue to display
Continue to display
Continue to display
Continue to display
8
Continue to display "05
Continue to display "09
TE
L 13942296513
Continue to display "19
21"
Display "21
then return and signal format
indicator is flashing.
Continue to display "24
"27 27", or "40 40"
Continue to display "29
Displayed audio encoding
9
format is different from input
signal.
10 "x" is displayed.
www
11 This identifies IC which outputs
error.
.
http://www.xiaoyu163.com
Cause of trouble
"1" Interface between DSP and MPU is no good.
"2" Connection from DIR to DSP is no good.
"3" to"7" Interface between DSP and MPU is no good.
"8" to "F" DSP Sequence is no good.
"03 03" Communication between DSP and MPU
is no good.
05" Writing from MPU to DSP is no good.
09" to "10 10" DSP program does not run properly.
Flash ROM or SDRAM is no good.
19" The unit was powered off during DSP
firmware updating.
23",
to "23 DSP program does not run properly.
Flash ROM or SDRAM is no good.
24"
to DSP program does not run properly.
to "43 43". Or audio clock to DSP is no good.
29" to "32 32" DSP setting is failured.
Input signal to DSP is no good.
a. No input signal to DSP.
b. Interface between DSP and MPU is
no good.
The IC outputs error to MPU.
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http://www.xiaoyu163.com
2 9
8
Remedy
The same remedy as 10 -b.
The same remedy as 9 .
The same remedy as 10 -b.
Check 8 items.
1. The same remedy as 10 -b.
2. Check the voltage of the power supply pin
3. Check the reset port and clock input of DSP by
4. Flash ROM firmware is no good. Update.
5. DSP or MPU is broken. Replace MPU.
1. Flash ROM firmware is no good, update.
2. Check DSPSDO pin of MPU by oscilloscope.
3. Flash ROM or SDRAM is no good, replace.
4. DSP or MPU is broken, replace the same
1. Flash ROM firmware is no good, update.
2. Flash ROM or SDRAM is broken, replace.
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3 6 7 1 3 1 5
Initialize the unit.
(Press STANDBY/ON button while pushing
VCR/DVR button when the unit is powered on.)
1. Flash ROM firmware is no good, upgrade.
2. Flash ROM or SDRAM is broken, replace.
1. Flash ROM program is no good, upgrade.
2. Flash ROM or SDRAM is broken, replace.
3. Check DSP drive clock freq. by oscilloscope.
4. Check audio clock to DSP by oscilloscope.
1. Flash ROM firmware is no good, upgrade.
2. Flash ROM or SDRAM is broken, replace.
1. Confirm where the digital waveform stops
2. Q202, P8001 may relate.
3. Resolder pins of the bad part or replace it with
The same as above.
1. Confirm where the digital waveform stops
2. P8001, P8002, P8003 may relate.
3. Resolder pins of the bad part or replace it with
Replace the IC chip.
co
DSP is impossible to replace, so replace with a
new PC borad.
.
9 4 2 8
of DSP.
oscilloscope, and find out bad part.
DSP is impossible to replace, so replace with
a new PC board.
If no signal, find out bad part connected.
method as above 5.
0 5 8 2 9 9 4 2 8
If no signal, find out bad part connected.
If no signal, find out bad part connected.
between DIR and DSP by oscilloscope.
new one.
between MPU and DSP by oscilloscope.
new one.
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TX-SR506
9 9
9 9