Read Sony HT-DDW830 / STR-DE575 / STR-K502 / STR-K502P Service Manual online
8
STR-DE575/K502/K502P
DSP TEST MODE
* DSP tests are performed.
* Procedure :
1. While depressing the LEVEL and CD buttons simultaneously,
* Procedure :
1. While depressing the LEVEL and CD buttons simultaneously,
press the power ?/1 Button to turn on the main power.
2. Press the NAME button.
3. Select the item by pressing Cursor button ( < or > ).
4. Select the function by turning Jog dial if selection is necessary.
3. Select the item by pressing Cursor button ( < or > ).
4. Select the function by turning Jog dial if selection is necessary.
Items
SWAP
DSP communication
Bass Management
Main Speaker cut off Freq.
LFE cut off Freq.
Co-ef. Read Address
Co-ef. Read Data
Co-ef. Write Address
Co-ef. Write Data
SRAM
Remark
Selection of setting
output channels
Checking communication
between DSP and microcom
Checking communication
between DSP and SRAM
Description
Normal channel output
Left input
t Front Left, Surround Left, Center channel output
Right input t Front Right, Surround Right, Sub Woofer channel output
Left input
t Center channel output
Right input t Sub Woofer channel output
Left input
t Surround Left channel output
Right input t Surround Right channel output
When this item is selected the message will be displayed “ OK ” if the
checking is correct. “ ERROR ” will be displayed in a case of an error.
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
Not used for service
“ RAMC. OFF ” will be displayed in a case of no checking.
By turning Jog dial “ RAMC. EXE ” will be displayed during the
checking.
After a while “ RAMC. PASS ” will be displayed if the checking is good.
“ RAMC. NG ” will be displayed if an error occurs.
Function
NORM
ALL
C SW
SLSR
–
–
–
–
–
–
–
–
OFF
ON
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