SONY STRDE575
Service Manual

STR-DE575/K502/K502P SECTION 2 TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting. * Procedure: While depressing the VIDEO and the 2CH buttons simultaneously, press the power ?/1 button to turn on the main power. The message FACTORY appears and switch off the set. While depressing the VIDEO and the 2CH buttons simultaneously, press the power ?/1 button again. The message FACTORY appears and the present contents are reset to the default values. 3. Press the VIDEO button, confirm display
SP.OFF C ((( SL ))) SR DIGITAL DTS OPT MULTI CH IN EQ MONO NEWS dB Hz ft. MEMORY

EQ , SUR , NAME and 2CH LED turn on. 4. Press the VIDEO button, All segments turn off.

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 button to turn on the main power. Either the message 9 k STEP or 10 k STEP appears. Select the desired step. * For US/Canadian/E model only

5. Every pressing of the VIDEO button turns on each segment and LED one after another in the same order. (Not only the VIDEO button, but also the other buttons such as DVD/LD , TV/SAT , MD/TAPE , CD , TUNER and AUX can be used.)

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 MODE button, press the power ?/1 button to turn on the main power. The message SURR. CLR. appears and initialization is performed.

DSP VERSION DISPLAY MODE
* DSP version is displayed. * Procedure : While depressing the MD/TAPE and the A.F.D buttons simultaneously, press the power ?/1 button to turn on the main power. � DSP �and the version are displayed.

DEMONSTRATION MODE
* Demonstration is performed. * Procedure : While depressing the SET UP button, press the power ?/1 button. The message appears and demonstration is performed. * To finish DEMONSTRATION MODE, press the power ?/1 button while the introduction message appears in the display.

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 MD/TAPE and the SHIFT buttons simultaneously, press the power ?/1 button to turn on the main power. 1. All segments turn on.
SW SLEEP DDDIGITALPRO LOGIC DTS MPEGSTEREO MONO RDS SP.OFF OPT COAX MULTI CH IN D.RANGE EQ TA NEWS INFO L C R dB (((LFE))) kHz mft. SL S SR MHz MEMORY MUTING

SOFTWARE VERSION DISPLAY MODE
* The software version is displayed. * Procedure: While depressing the TUNER and the SHIFT buttons simultaneously, press the power ?/1 button to turn on the main power. The model name, destination and the software version are displayed.

KEY CHECK MODE
* Button check * Procedure: While depressing the VIDEO and the SHIFT buttons simultaneously, press the power ?/1 button to turn on the main power. �REST 36� appears. Every pressing of any button other than ?/1 and SPEAKERS counts down the buttons. The buttons which are already counted once are not counted again. When all buttons are pressed �REST 00� appears. When MASTER VOLUME is rotated in clockwise direction, �VOL MIN�, �VOL 1� to �VOL 48�, �VOL MAX� appear.

All LED turn on. 2. Press the VIDEO button, confirm display
SW L LFE S SLEEP R k m MHz DD COAX PRO LOGIC MPEGSTEREO D.RANGE TA RDS INFO MUTING

MULTI CHANNEL DECODING (blue), Digital Cinema Sound , LEVEL , SET UP , A.F.D and MODE LED turn on.

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