Sony STR-LV500 Service Manual page 8

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STR-LV500
Items
Function
SWAP
DSP Version
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
Total operation time
Longest Power ON time
Output time less than
–50dB volume
Output time less than
–40dB volume
Output time less than
–30dB volume
Output time less than
–20dB volume
Output time less than
–10dB volume
Output time less than
0dB volume
Protector count value
Fuse open count value
EEPROM CONDITION
EEPROM READ
EEPROM Super Reset
DSP HALT MODE
8
NORM
Normal channel output
t Front Left, Surround Left, Center channel output
Left input
ALL
Right input t Front Right, Surround Right, Sub Woofer channel output
Left input
t Center channel output
C SW
Right input t Sub Woofer channel output
t Surround Left channel output
Left input
SLSR
Right input t Surround Right channel output
"DSPV XXX" is displayed. Three large charactors are the dsp version that
is being used.
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
OFF
" RAMC. OFF " will be displayed in a case of no checking.
By pressing Cursor button the checking starts.
ON
" RAMC. PASS " will be displayed if the checking is good.
" RAMC. NG " will be displayed if an error occurs.
TTL-XXXX xx is displayed.
LNG-XXXX xx is displayed.
V50-XXXX xx is displayed.
V40-XXXX xx is displayed.
V30-XXXX xx is displayed.
V20-XXXX xx is displayed.
V10-XXXX xx is displayed.
V00-XXXX xx is displayed.
PROTXXXX xx is displayed.
FUSEXXXX xx is displayed.
E- XXXX is displayed.
S RST
t Super Reset : first time use EEPROM or test pattern
corrupted
t EEPROM read / write with microcom has problem
FAIL
V CHG t Software version change
D CHG t Destination / model change
CLEAR t Back up data initialize
NORM t Normal AC on
E- XXX-XX is displayed.
First four hex code is EEPROM address (controlled by +/– button).
Last two hex code is EEPROM data.
S.RST- XXX is displayed.
When YES is selected, press Cursor button to clear all EEPROM data
HALT NO or HALT YES is displayed.
Description
Remark
Selection of setting
output channels
Checking communication
between DSP and microcom
Checking communication
between DSP and SRAM
Four large charactors are
hour. Two small charactors
are minutes.
0 to 255

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