Sony STR-LV500 Service Manual ▷ View online
STR-LV500
5
1
Three screws
(+BVTP 3x8)
4
Video board
Video board
Isolation sheet
2
Tuner unit
6
Dig-In board
Dig-In board
7
Three screws
(+BVTP 3x8)
3
Three screws
(+BVTP 3x8)
5
Five screws
(+BVTP 3x8)
8
Four screws
(+BVTP 3x8)
9
Digital board
Digital board
0
• DIGITAL, DIG-IN, VIDEO BOARD
STR-LV500
6
AMP board
• On Removal
• On Attaching
1
Bend claws 90 degree
counterclokwise.
2
Slide down
the heat sink.
Heat sink.
2
Bend claws 90 degree
clokwise.
1
Slide up
the heat sink.
• AMP BOARD
STR-LV500
7
SECTION 3
TEST MODE
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
completion of repair.
* Procedure:
By using the main unit, while depressing the SOUND FIELD
By using the main unit, while depressing the SOUND FIELD
button, press the power ?/1 button to turn on the main power.
The message “S. F. CLR” appears and initialization is performed.
The message “S. F. CLR” appears and initialization is performed.
SPECIAL DUPLEX KEY ON MODE
*This operation for making possible the key duplex pressing of
remote controller.
*Procedure
By using main unit, while depressing the PRESET TUNNING -
By using main unit, while depressing the PRESET TUNNING -
button, press the power ?/1 button to turn on the main
power.
power.
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the A.F.D.
button one time.
The message “FACTORY” appears and switch off the set.
Press the power ?/1 button again, and the present contents are
reset to the default values.
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the A.F.D.
button one time.
The message “FACTORY” appears and switch off the set.
Press the power ?/1 button again, and the present contents are
reset to the default values.
ALL CLEAR MODE
* The all preset value is cleared when this mode is activated.
* Procedure :
* Procedure :
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
b but-
ton one time. The message “CLEARED” appears and clear all
preset value.
preset value.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested. When this test is activated,
all segments turn on at the same time, then each segment turns
on one after another.
on one after another.
* Procedure:
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
V but-
ton one time.
All segments turn on.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
B but-
ton one time. The model name, destination and the software ver-
sion are displayed.
sion are displayed.
KEY CHECK MODE
* Button check
* Procedure:
* Procedure:
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
v but-
ton one time.
“REST XX” appears.
Every pressing of any button other than ?/1 counts down the
buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
“REST XX” appears.
Every pressing of any button other than ?/1 counts down the
buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
SWAP ALL MODE
* For test all channels working correctly with only L/R source
input.
* Procedure:
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the 2CH
button one time.
Set the SOUND FIELD to A.F.D AUTO.
"SWAP ALL" appear : L-CH input
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the 2CH
button one time.
Set the SOUND FIELD to A.F.D AUTO.
"SWAP ALL" appear : L-CH input
t Front L, Surround L,
center channel output.
R-CH input
t Front R , Surround R , Sub Woofer channel output.
HISTORY MODE
* Display embedded information.
For check amplifier condition when protector happen, Input
source, Sound Field setting, Volume level, Tone setting and
Operation time .
source, Sound Field setting, Volume level, Tone setting and
Operation time .
* Procedure :
When the set is SPECIAL DUPLEX KEY ON mode, by using
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
VOLUME + button one time.
remote controller, press ENTER button three times, then press
the MAIN MENU button one time, and then press the
VOLUME + button one time.
DSP TEST MODE
* DSP tests are performed.
* Procedure :
* Procedure :
When the set is SPECIAL DUPLEX KEY ON mode, by using
the remote controller, press ENTER button three times, then
press the MAIN MENU button one time and then press the
MUTING button one time.
the remote controller, press ENTER button three times, then
press the MAIN MENU button one time and then press the
MUTING button one time.
• Select the item by pressing Cursor button (
V or v ).
• Select the function by pressing Cursor button (
B or b ).
RELEASE THE TEST MODE
To release the test mode, turn off the main power.
L
SW
SL
SR
SSB
C
R
L F E
OPT COAX MULTI CH IN 12
MEMORY
SLEEP
RDS
MONO
STEREO
EQ
D.RANGE
dB
kHz
mft.
MHz
SP SP A SP B
DIGITAL EX
PRO LOGIC II DTS-ES NEO : 6 MPEG-2 AAC
D D
D D
Ver 1.1
STR-LV500
8
Items
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
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
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
“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
“ RAMC. OFF ” will be displayed in a case of no checking.
By pressing Cursor button the checking starts.
“ 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
FAIL
t EEPROM read / write with microcom has problem
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.
Function
NORM
ALL
C SW
SLSR
–
–
–
–
–
–
–
–
–
OFF
ON
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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