Test Mode - Sony STR-DG520 Service Manual

STR-DG520
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
D D D D
SW LFE
SP B
L C R
SL S SR
SBL SB SBR
2. Turn the [INPUT SELECTOR] control, confi rm display.
x
LFE
SP B
L R
S
3. Turn the [INPUT SELECTOR] control, confi rm display.
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 (ON/OFF)] and the [DIS-
PLAY] buttons simultaneously, press the [
the main power.
The model name, destination and the software version are dis-
played for a moment.
12
SECTION 3

TEST MODE

?/1
] button to turn on the
PL OPT DTS -ES 96/24 CAT MEMORY RDS ST
D D
HDMI COAX NEO:6 SAT D.RANGE MONO
dB
k Hz
m ft.
MHz
RDS
COAX NEO:6 D.RANGE MONO
k
m
MHz
PL DTS CAT MEMORY
D D
dB
Hz
ft.
?/1
] button to turn
?/1
] button to turn on
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [SPEAKERS (ON/OFF)] and the [2CH]
buttons simultaneously, press the [
main power.
Either the message "REST 13" appears.
?/1
] 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
* The signal will be swap to all channel so that all speaker will
have sound output.
* Procedure:
1. While depressing the [SPEAKERS (ON/OFF)] and the
[A.F.D.] buttons simultaneously, press the power [
to turn on the main power.
2. "SWAP" appears. (No change while displayed.)
SHIPMENT MODE
All preset contents are reset to the default setting.
* Procedure:
1. While depressing the [SPEAKERS (ON/OFF)] 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.
ST
?/1
] button to turn on the
?/1
] counts down
?/1
] button
?/1
] button to
?/1
] button