SONY STRDA50ES
Manual de Servicio

SECTION 2 TEST MODE
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 FUNCTION MODE and the SOUND FIELD MODE buttons simultaneously, press the power [1/u] button to turn on the main power. All segments turn on at the same time, then each segment turns on one after another. When the CURSOR MODE button, B, V, v, or b is pressed, the indication advances in the following order: All segments on, Bridge 1, Bridge 2, All segments off.

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: While depressing the SOUND FIELD ON/OFF button, press the power [1/u] button to turn on the main power. The message SURR 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 TUNING + button, press the power [1/u] button to turn on the main power. Either the message AM 9kHz STEP or AM 10kHz STEP appears. Select the desired step.

All segments on

Bridge 1

Bridge 2 All segments off

DSP TEST MODE * Procedure:
While depressing the FUNCTION MODE and the EQUALIZER buttons simultaneously, press the power [1/u] button to turn on the main power. The message DSP NO ERROR or DSP ERROR. When DSP NO ERROR is displayed, a 1 kHz signal is output to all channels. When the B, V, v, or b button is pressed while DSP NO ERROR is displayed, the message DSP TEST MODE appears. In this mode, the input signal that is selected by the FUNCTION key is distributed to each speaker. Speaker CENTER REAR L REAR R FRONT L FRONT R Signal L L R L R

FACTORY SET MODE
* All preset contents are reset to the default setting. * Procedure: While depressing the FUNCTION MODE and the SOUND FIELD GENRE buttons simultaneously, press the power [1/u] button to turn on the main power. The message FACTORY SET 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 SOUND FIELD GENRE and the SOUND FIELD ON/OFF buttons simultaneously, press the power [1/u] button to turn on the main power. The message ALL CLEAR!appears and the preset data is cleared.

DTS MODE * Procedure:
While depressing the B and b buttons simultaneously, press the power [1/u] button to turn on the main power. The message ATTENUATE OFF or ATTENUATE ON.

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