Test Mode - Sony STR-DE335 Service Manual

Initialization Mode
All preset contents are cleared when this mode is activated. When
returning the unit to the customer after completing repairs, per-
form this operation to clear the unit.
Procedure:
1. While pressing two buttons of
multaneously, press the 1/u
2. The message "INITIAL" appears and initialization is per-
formed.
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:
1. While pressing two buttons of
Australian models)* and
button to turn the power ON.
1/u
2. All segments turn on at the same time, then each segment and
LED turns on one after another.
3. The message "FINISH" appears when this test is complete.
*) Except US, Canadian and Australian models are
AUTO-BETICAL Check Mode (AEP model)
To auto-scanning and memories of RDS station.
Procedure:
[MEMORY]
1. While pressing the
1/u button to turn the power ON.
2. The message "AUTO BET" appears and each function is se-
lected one after another.
AM Tuning Interval Selection Mode (US, Canadian and
E models)
Either 9 kHz step or 10 kHz step can be selected for the AM tun-
ing interval.
Procedure:
1. Set the FUNCTION to AM.
2. Press the 1/u button to turn the power OFF.
[TUNING+]
3. While pressing the
the 1/u button to turn the power ON.
4. Either the message 10 k STEP" or "10k STEP" appears.
5. Select the desired step.
Software Version Display Mode
The software version is displayed.
Procedure:
1. While pressing two the buttons of
simultaneously, press the
2. The software version is displayed.
SOUND FIELD Setting Clear Mode
All SOUND FIELD setting are cleared.
Procedure:
[SOUND FIELD ON/OFF]
1. While pressing the
the button to turn the power ON.
1/u
2. The message "SURR CLR" appears and all SOUND FIELD
setting are cleared.

TEST MODE

[TUNER] [MD/TAPE]
and
button to turn the power ON.
[TV/SAT]
(US , Canadian and
[DIRECT]
simultaneously, press the
[TV/LD]
button, press the
[PRESET+]
or button, press
[MD/TAPE] [DIRECT]
and
1/u button to turn the power ON.
button, press
SECTION 4
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