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6
5. BACK END SOFTWARE (Firmware) VERSION CHECK
1.
Press the POWER ON/STANDBY button to turn on the unit.
2.
Press the OPEN/CLOSE button to open the tray.
3.
Press the CLR, 2, 5, 8, 0 and CLR button in order on the remote controller.
4.
The following information is displayed on the TV screen. The firmware version is shown.
5.
Press the POWER ON/STANDBY button to quit SERVICE MODE.
(Ex.: BUILD TIME 040621A)
Summary of Contents for ER2500
Page 11: ...9 8 POWER AMPLIFIER DC OFFSET ADJUSTMENT ...
Page 12: ...10 Personal notes ...
Page 13: ...11 9 WIRING DIAGRAM U S only U S only ...
Page 14: ...12 10 BLOCK DIAGRAM ...
Page 15: ...13 Front 11 SCHEMATIC DIAGRAM ...
Page 16: ...14 MCU Function ...
Page 17: ...15 DSP ...
Page 18: ...16 AMP1 ...
Page 19: ...17 AMP2 ...
Page 20: ...18 SMPS N1S S1S ...
Page 21: ...19 SMPS U1S ...
Page 33: ...31 IC42 TC74HCU04AP AF AFN ...
Page 34: ...32 14 EXPLODED VIEW AND PARTS LIST N only U only S only S U only ...
Page 68: ...Personal notes ...