Test Mode - Sony STR-DE435 Service Manual

SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the MD/TAPE and the DIRECT buttons
simultaneously, press the power [1/u] 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 DIRECT buttons
simultaneously, press the power [1/u] button to turn on the main
power.
1. All segments turn on.
VIDEO, TV/SAT, MD/TAPE, CD, TUNER and PHONO LED
turn on.
2. Press the VIDEO button, confirm display
5.1CH/DVD, SUR, BASS/TREBLE, SET UP and NAME LED
turn on.
3. Press the VIDEO button, confirm display
TONE, BASS BOOST and MUTING 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 sach as
TV/SAT, MD/TAPE, CD, TUNER, PHONO, 1, 2, 3, 4, 5, 6, 7,
8, 9, 0 can be used.)
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the VIDEO and the DIRECT buttons
simultaneously, press the power [1/u] 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/u] button to turn on the main
power. Alternatively, press 1/u more than 4S. The message ALL
CLEAR 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/u] button to turn on the main power. The message SUR
CLEAR 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/u] button to turn on the main power. Either
the message AM 9k STEP or AM 10k STEP appears. Select the
desired step.
* For US/Canadian/E model only
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