Test Mode - Sony STR-DG720 Service Manual

STR-DG720
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3 7 63 1515 0
AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE
(US, Canadian model only)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Turn the [INPUT SELECTOR] control to set AM and press the
?/1
[ ] button to turn off the main power.
While depressing the [TUNING MODE] button, press the [
button to turn on the main power.
Either the message "9k STEP" or "10k STEP" appears for a mo-
ment and select the desired step.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fl uorescent segments are tested.
When this test is activated, all segments light on at the same time,
then each segment lights on one after another.
* Procedure:
While depressing the [TUNING MODE] and the [DISPLAY]
buttons simultaneously, press the [
main power.
1. ALL segments light on.
SP A D EX PL II x
LFE D D D D D D
SW
SP B HDMI
L C R
SL S SR
SBL SB SBR
2. Turn the [INPUT SELECTOR] control, confi rm display.
EX x
LFE
SP B HDMI
TE
L 13942296513
L R
S
3. Turn the [INPUT SELECTOR] control, confi rm display.
D
D D D D
SW
C
SL SR
SBL SB SBR
4. Turn the [INPUT SELECTOR] control, all segments light off.
SOUND FIELD CLEAR MODE
* The preset sound fi eld is cleared when this mode is activated.
Use this mode before returning the product to clients upon com-
pletion of repair.
* Procedure:
While depressing the [2CH] button, press the [
on the main power.
The message "S.F. CLR." appears for a moment and initialization
is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [SPEAKERS (OFF/A/B)] and the [DIS-
www
PLAY] buttons simultaneously, press the [
the main power.
The model name, destination and the software version are dis-
played for a moment. .
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SECTION 3

TEST MODE

?/1
?/1
] button to turn on the
PL OPT DTS -ES 96/24 CAT MEMORY RDS ST
COAX NEO:6 SAT D.RANGE MONO
dB
k Hz
m ft.
MHz
-ES RDS
COAX NEO:6 SAT D.RANGE MONO
k
m
MHz
PL DTS CAT MEMORY ST
dB
Hz
ft.
?/1
] button to turn
?/1
] button to turn on
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8
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [SPEAKERS (OFF/A/B)] and the [2CH]
buttons simultaneously, press the [
main power.
Either the message "REST 14" appears.
] Every pressing of any button other than the [
the buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed "REST 00" ap-
pears.
SWAP ALL MODE
* When this mode is used, output the audio signal of front L/R
channel to all channel.
* Procedure:
1. While pressing the [MEMORY/ENTER] and [DISPLAY] but-
?/1
tons, press the [ ] button to turn on the main power.
2. The message "DSP TEST" appears.
3. Press the [AMP MENU] button on the remote commander, and
the message "9_DSPTST" appears.
4. Press the [b] button on the remote commander to enter the
DSP test mode menu.
5. Press the [v] button on the remote commander twice to enter
the swap mode, and the message "SWP.AUTO" appears.
6. Press the [b] button on the remote commander twice to select
[]
"SWP. ALL".
SHIPMENT MODE
* All preset contents are reset to the default setting.
* Procedure:
Q Q
3 6 7 1 3
1. While depressing the [SPEAKERS (OFF/A/B)] and the [MU-
SIC] buttons simultaneously, press the power [
turn on the main power.
2. "CLEARED" appears and switch off the set.
RE-BOX CLASSIFICATION TEST MODE
* Procedure:
1. While pressing the [MEMORY/ENTER] and the [INPUT
MODE] buttons simultaneously, press the power [
to turn on the main power.
[][][]
2. "R.BOX xxx" appears.
3. xx indicates number of times set powered on.
4. Press any button or power off the set to release test mode.
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.
2 9 9 4 2 8
?/1
] button to turn on the
?/1
] counts down
1 5 0 5 8 2 9 9 4
?/1
?/1
m
co
9 9
2 8 9 9
] button to
] button