Test Mode - Sony STR-DE245 Service Manual

SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the TUNER and the VIDEO buttons
simultaneously, press the power [?/1] button to turn on the main
power. The model name, destination and the software version are
displayed.
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.
* Procedure:
While depressing the TV/SAT and the CD buttons simultaneously,
press the power [?/1] button to turn on the main power.
1. All segments turn on.
SET UP, SOUND FIELD, BASS BOOST and MUTING LED
turn on.
2. Press the VIDEO button, confirm display
BASS BOOST, MUTING, SET UP and NAME LED turn on.
3. Press the VIDEO button, confirm display
SOUND CONTROL LEVEL, SOUND CONTROL SUR and
SOUND FIELD LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each segment one
after another in the following order.
(Not only the VIDEO button, but also the other buttons such as
TV/SAT, MD/TAPE, CD, TUNER can be used.)
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the VIDEO and the CD buttons simultaneously,
press the power [?/1] button to turn on the main power. The
message FACTORY appears and the present contents are reset to
the default values.
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SECTION 2

TEST MODE

ALL CLEAR MODE
* All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
* Procedure:
While depressing the TUNER and the MD/TAPE buttons
simultaneously, press the power [?/1] button to turn on the main
power. The message INITIAL appears and initialization is
performed.
SURROUND 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 SOUND FIELD ON/OFF button, press the
power [?/1] button to turn on the main power. The message
SURR CLR appears and initialization is performed.
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:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the PRESET+ button,
press the power [?/1] button to turn on the main power. Either
the message AM 9 k STEP or AM 10 k STEP appears. Select the
desired step.
* For US/Canadian/E model only
KEY CHECK MODE
* Button check
* Procedure:
While depressing the MD/TAPE and the CD buttons
simultaneously, press the power [?/1] button to turn on the main
power.
"RES 36 KEY" appears.
Every pressing of any button other than [?/1] and SPEAKERS
counts down the buttons. The buttons which are already counted
once are not counted again. When all buttons are pressed "RES
00 KEY" appears.
When MASTER VOLUME is rotated in clockwise direction,
"VOL MIN", "VOL 1" to "VOL 30", "VOL MAX" appear.