Test Mode - Sony STR-DE997 Service Manual

FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [FM MODE] and the [DISPLAY] buttons
simultaneously, press the
?/1
The message "FACTORY" appears for a moment and the present
contents are reset to the default values.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION
MODE
* 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 [PRESET TUNING +] button or the
[TUNING +] button, press the
power.
Either the message "9k STEP" or "10k STEP" appears for a
moment and select the desired step.
SPEAKER SIZE SELECTION MODE
* Either the normal speaker or micro satellite speaker can be se-
lected.
* Procedure:
While depressing the [DIMMER] button, press the
turn on the main power.
Either the message "NORM. SP." or "MICRO SP." appears for a
moment and select the desired speaker size.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fluorescent 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 ---] and the [SPEAKERS $OFF/A/
B/A+B%] buttons simultaneously, press the
the main power.
1. ALL segments light on.
SP. A SP. B MULTI CH IN 12 EQ D.RANGE D D DIGITAL EX
SW LFE SLEEP A.DIRECT NIGHT MODE D D PROLOGIC IIx 96/24 NEO:6
L C R
SL S SR
SBL SB SBR
[2CH], [A.F.D.], [MOVIE], [MUSIC], [MULTI CHANNEL DECOD-
ING], [VIDEO 1], [VIDEO 2], [VIDEO 3], [DVD], [TV/SAT], [MD/
TAPE], [SA-CD/CD], [TUNER FM/AM] and [PHONO] LED light
on.
2. Turn the [INPUT SELECTOR] control by 1 step clockwise, con-
firm display.
A EQ DIGITAL
D D
SW LFE SLEEP A.DIRECT NIGHT MODE D D PROLOGIC x
L R
S
SB
[A.F.D.], [MUSIC], [MULTI CHANNEL DECODING], [VIDEO 2],
[VIDEO 3], [TV/SAT], [SA-CD/CD] and [PHONO] LED light on.
SECTION 3

TEST MODE

button to turn on the main power.
?/1 button to turn on the main
button to
?/1
?/1 button to turn on
DTS-ES MPEG -2 AAC OPT COAX MONO
MEMORY
kHz MHz D.ASSIGN STEREO RDS
3. Turn the [INPUT SELECTOR] control by 1 step clockwise, con-
firm display.
[2CH], [MOVIE], [VIDEO 1], [DVD], [MD/TAPE] and [TUNER FM/
AM] LED light on.
4. Turn the [INPUT SELECTOR] control by 1 step clockwise, all
segments and all LEDs light off.
5. Every turning the [INPUT SELECTOR] control turns on each
segment and LED one after another in the same order.
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.
* Procedure:
While depressing the [2CH] button, press the
on the main power.
The message "SF. INITIALIZE" appears for a moment and ini-
tialization is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [TUNING ---] and the [DISPLAY] buttons
simultaneously, press the
The model name, destination and the software version are dis-
played for a moment.
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [TUNING ---] and the [MAIN MENU] buttons
simultaneously, press the
Either the message "REST 20" appears.
Every pressing of any button other than the
dB
the buttons. The buttons which are already counted once are not
ft.
counted again. When all buttons are pressed "REST 00" appears.
m
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [ENTER] button, press the
turn on the main power.
Either the message "C.MODE.AV1" or "C.MODE.AV2" appears
for a moment and select the desired mode.
STR-DE997
-2 AAC OPT MONO
96/24 Hz
button to turn
?/1
button to turn on the main power.
?/1
?/1 button to turn on the main power.
?/1 counts down
button to
?/1
RDS
m
11