Test Mode - Sony STR-DE375 Service Manual

STR-DE375
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.
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.
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 LED turn on.
2. Press the VIDEO button, confirm display
SET UP, 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.)
6
SECTION 2

TEST MODE

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 Canadian/E model only
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.
AUTOBETICAL MODE (AEP Model only)
* This mode is installed in the Europe models only. When this mode
is used, the receiver scans the broadcasts that can be received by
tuner, and sets up the broadcasts. Be sure to start scanning after
connecting the antenna.
* Procedure:
Check that the antenna is connected. Press the power ?/1 button
while pressing the MEMORY button to turn on the power. The
message "Autobetical select" appears and scanning starts by tuner.
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.
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 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.