SONY STR-LV500
Service Manual

STR-LV500
Ver 1.1

SECTION 3 TEST MODE
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: By using the main unit, while depressing the SOUND FIELD button, press the power ?/1 button to turn on the main power. The message �S. F. CLR� appears and initialization is performed.

KEY CHECK MODE
* Button check * Procedure: When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the v button one time. �REST XX� appears. Every pressing of any button other than ?/1 counts down the buttons. The buttons which are already counted once are not counted again. When all buttons are pressed �REST 00� appears.

SPECIAL DUPLEX KEY ON MODE
*This operation for making possible the key duplex pressing of remote controller. *Procedure By using main unit, while depressing the PRESET TUNNING button, press the power ?/1 button to turn on the main power. FACTORY PRESET MODE * All preset contents are reset to the default setting. * Procedure: When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the A.F.D. button one time. The message �FACTORY� appears and switch off the set. Press the power ?/1 button again, and the present contents are reset to the default values.

SWAP ALL MODE
* For test all channels working correctly with only L/R source input. * Procedure: When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the 2CH button one time. Set the SOUND FIELD to A.F.D AUTO. "SWAP ALL" appear : L-CH input t Front L, Surround L, center channel output. R-CH input t Front R , Surround R , Sub Woofer channel output.

HISTORY MODE
* Display embedded information. For check amplifier condition when protector happen, Input source, Sound Field setting, Volume level, Tone setting and Operation time . * Procedure : When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the VOLUME + button one time.

ALL CLEAR MODE
* The all preset value is cleared when this mode is activated. * Procedure : When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the b button one time. The message �CLEARED� appears and clear all preset value.

DSP 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: When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the V button one time. All segments turn on.
SP SP A SP B DDDIGITAL EX DDPRO LOGIC II DTS-ES NEO : 6 MPEG-2 AAC MEMORY OPT COAX MULTI CH IN 12 D.RANGE EQ STEREO MONO RDS SLEEP
L C R

* DSP tests are performed. * Procedure : When the set is SPECIAL DUPLEX KEY ON mode, by using the remote controller, press ENTER button three times, then press the MAIN MENU button one time and then press the MUTING button one time. � Select the item by pressing Cursor button ( V or v ). � Select the function by pressing Cursor button ( B or b ).

RELEASE THE TEST MODE
To release the test mode, turn off the main power.

SW L F E SL SSB SR

dB kHz mft. MHz

SOFTWARE VERSION DISPLAY MODE
* The software version is displayed. * Procedure: When the set is SPECIAL DUPLEX KEY ON mode, by using remote controller, press ENTER button three times, then press the MAIN MENU button one time, and then press the B button one time. The model name, destination and the software version are displayed.

7