Test Mode - Sony STR-DB795 Service Manual

STR-DB795
TUNER FACTORY PRESET MODE
All preset contents are reset to the default setting.
Procedure:
1. While pressing the [MUSIC] and [PRESET TUNING --] buttons,
press the button to turn on the main power.
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2. The message "FACTORY" appears and the present contents
are reset to the default values.
TUNER AM STEP CHANGE (9 kHz/10 kHz) MODE
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the button to turn on the main power.
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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 +] button,
press the I/1 button to turn on the main power.
5. Either the message "9 K STEP" or "10 K STEP" appears.
Select the desired step.
TUNER AUTOBETICAL TUNING MODE
(AEP and UK models)
Procedure:
1. While pressing the [MEMORY/ENTER] button, press the
button to turn on the main power.
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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 [2CH] button, press the
on the main power.
2. The message "SF. CLR." appears and initialization is
performed.
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 [PRESET TUNING --] and [A.F.D.] buttons,
press the button to turn on the main power.
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2. All segments and [MULTI CHANNEL DECODING] indicator LED
turn on.
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 [PRESET TUNING --] and [SURR BACK
DECODING] buttons, press the
power.
2. The message "CLEARING" appears and memories are reset
to the default values and the main power turn off automatically.
14
SECTION 4

TEST MODE

I/1 button to turn
button to turn ton the main
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SWAP ALL MODE
Procedure:
1. While pressing the [PRESET TUNING +] and [A.F.D.] buttons,
press the button to turn on the main power.
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2. The message "SWAP" appears.
COMMAND MODE CHANGE MODE
The command mode of the remote-commander which this set
receives can be changed.
Procedure:
1. While pressing the [INPUT MODE] buttons, press the
ton to turn the main power.
2. Either the message "C.MODE.AV1" or "C.MODE.AV2"
appears. Select the desired mode.
VERSION CHECK MODE
The version of the micro computer displayed.
Procedure:
1. While pressing the [PRESET TUNING --] and [2CH] buttons,
press the I/1 button to turn the main power.
2. The version of the micro computer and model destination are
displayed.
DECODE AUTO ALL MODE
Procedure:
1. While pressing the [PRESET TUNING --] and [MOVIE] buttons,
press the button to turn the main power.
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2. The message "DEC TEST" appears.
PROTECTOR AUTO OFF
When this mode is used, a protector on state is maintainable.
Procedure:
1. While pressing the [PRESET TUNING +] and [MOVIE] buttons,
press the button to turn on the main power.
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2. The message "PROT EVER" appears.
but-
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