Sony HT-MT300, Service Manual

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HT-MT300/MT301
20
Software version (Except system version):
Soft-
ware
item
LED
TV
BLUE-
TOOTH
USB
ANA-
LOG
MOV-
IE
MU-
SIC
MTK
○ ○
A B C
BT
main
S/W
○
A B C
BT
main
H/W
○
A B C
○
BT
woofer
S/W
○
A B C
BT
woofer
H/W
○
A B C
○
no mark: light off,
○
: light up,
A: Major version, B: Minor (upper) version,
C: Minor (lower) version,
Example for the fl ashing of major version (A) and minor ver-
sion (B, C):
If the software version is “1.02”, repeat fl ashing in the follow-
ing order.
“USB” LED fl ash once

“ANALOG” LED light off (skip)

“MOVIE” LED fl ash twice

“USB” LED fl ash once

...
Software version (System version):
Soft-
ware
item
LED
TV
BLUE-
TOOTH
USB
ANA-
LOG
MOV-
IE
MU-
SIC
System A B C D
no mark: light off,
A: Major version, B: Minor (upper) version,
C: Minor (middle) version, D: Minor (lower) version,
Example for the fl ashing of major version (A) and minor ver-
sion (B, C, D):
If the software version is “1.023”, repeat fl ashing in the follow-
ing order.
“BLUETOOTH” LED fl ash once

“USB” LED light off
(skip)

“ANALOG” LED fl ash twice

“MOVIE” LED
fl ash 3 times

“BLUETOOTH” LED fl ash once

...
4. Perform other panel test items or release the panel test mode.
LED light up check:
1. Press the [
2
–] button on the remote control.
2. The LED light up check mode is entered, then the LEDs light
up/ fl ash as shown in the following fi gure.
Flash 3 times
Light up Light up
Light up
Pattern 1
Pattern 2
Light up
3. Perform other panel test items or release the panel test mode.
Subwoofer software check:
1. Press the [
%
] button on the remote control.
2. The subwoofer software check mode is entered, then check
result is displayed.
Light off
Check result: NG
Check result: OK
Continue flashing
3. After about 3 seconds, return to the normal display (function
LED is light up).
4. Perform other panel test items or release the panel test mode.