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Sony STR-DB790 - Test Modes

Sony STR-DB790
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15
STR-DA1000ES/DB790
FLUORESCENT INDICATOR TUBE PATTERN
CHECK 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 the [DISPLAY] and [MEMORY/ENTER] but-
tons, press the I/1 button to turn on the main power.
2. All segments and [MULTI CHANNEL DECODING] indicator
LED turn on.
3. Turn the [INPUT SELECTOR] dial.
4. Half of segments turn on and [MULTI CHANNEL DECOD-
ING] indicator LED turn off.
5. Turn the [INPUT SELECTOR] dial once again.
6. Others half of segments and [MULTI CHANNEL DECODING]
indicator LED turn on.
7. Turn the [INPUT SELECTOR] dial once again.
8. All segments and [MULTI CHANNEL DECODING] indicator
LED turn off.
KEY CHECK MODE
When this mode is used, the destination and the software version
number are displayed.
Procedure:
1. While pressing the [MAIN MENU] and [DISPLAY] buttons,
press the I/1 button to turn on the main power.
2. The message “REST 14” appears.
3. Every pressing of any button other than the I/1 button counts
down the buttons. The buttons which are already counted once
are not counted again.
4. When all buttons are pressed, the message “REST 00” appears.
SHIPMENT 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:
1. While pressing the [TUNING +] and [MUSIC] buttons, press
the I/1 button to turn ton the main power.
2. The memories are reset to the default values and the main power
turn off automatically after seven minutes.
SECTION 4
TEST MODE
TUNER FACTORY PRESET MODE
All preset contents are reset to the default setting.
Procedure:
1. While pressing the [SURR BACK DECODING] and [PRE-
SET TUNING --] buttons, press the I/1 button to turn on the
main power.
2. The message “FACTORY” appears and the present contents
are reset to the default values.
TUNER AM STEP CHANGE (9 kHz/10 kHz) MODE
(STR-DA1000ES)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the I/1 button to turn on the main power.
2. Turn the [INPUT SELECTOR] dial to select the “AM”
3. Press the I/1 button to turn off the main power.
4. While pressing the [PRESET TUNING +] or [TUNING +] but-
ton, press the I/1 button to turn on the main power.
5. Either the message “9 K STEP” or “10 K STEP” appears. Se-
lect the desired step.
TUNER AUTOBETICAL TUNING MODE
(STR-DB790: AEP and UK models)
Procedure:
1. While pressing the [MEMORY/ENTER] button, press the
I/1 button to turn on the main power.
2. The message “AUTO-BETICAL SELECT” appears and scans
and stores all the FM and FM RDS stations in the broadcast
area.
3. When done, the message “FINISH” appears.
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:
1. While pressing the [MUSIC] button, press the I/1 button to
turn on the main power.
2. The message “SF. CLR.” appears and initialization is
performed.
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:
1. While pressing the [INPUT MODE] and [MEMORY/ENTER]
buttons, press the I/1 button or press the I/1 button for more
than five seconds to turn on the main power.
2. The message “INITIAL” appears and the memories are reset
to the default values.
VOLUME CHECK MODE
Procedure:
1. Enter the swap mode. (Refer to the “DSP TEST MODE” (see
page16))
2. Press the [DISPLAY] button.
3. The massage “–oodB” appears. (Volume level is “MIN”)
4. Press the [DISPLAY] button once again.
5. The message “–58.0dB” appears. (Volume level is “MID”)
6. Press the [DISPLAY] button once again.
7. The massage “0.0dB” appears. (Volume level is “MAX”)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

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