Denon DVD-1740/558 Service Manual

14DVD-1740/558FIRMWARE RENEWAL MODE1. Turn the power on and remove the disc on the tray.2. To put the DVD player into version up mode, press[9], [8], [7], [6], and [SEARCH MODE] buttons onthe remote control unit in that order. The tray willopen automatically.Fig. a appears on the screen and Fig. b appearson the VFD.The DVD player can also enter the version upmode with the tray open. In this case, Fig. a will beshown on the screen while the tray is open.3. Load the disc for version up.4. The DVD player enters the F/W version up modeautomatically. Fig. c appears on the screen andFig. d appears on the VFD. If you enter the F/W fordifferent models, “Disc Error” will appear on thescreen, then the tray will open automatically.The appearance shown in (*1) of Fig. c isdescribed as follows:5. After programming is finished, the tray opensautomatically. Fig. e appears on the screen andthe checksum in (*2) of Fig. e appears on the VFD(Fig. f).At this time, no button is available.6. Remove the disc on the tray.7. Unplug the AC cord from the AC outlet. Then plugit again.8. Turn the power on by pressing the [POWER ON]button and the tray will close.9. Press [1], [2], [3], [4], and [DISPLAY] buttons onthe remote control unit in that order.Fig. g appears on the screen.F/W Version Up Mode Model No : *******VERSION : *.**Please insert a DISCfor F/W Version Up.EXIT: POWER"*******" differs depending on the models.Fig. a Version Up Mode ScreenFig. b VFD in Version Up ModeVERSION : ************.***Reading...F/W Version Up Mode Model No : *******VERSION : *.**Fig. c Programming Mode Screen"*******" differs depending on the models.(*1)Fig. d VFD in Programming Mode (Example)No. Appearance State1 Reading... Sending files into the memory2 Erasing... Erasing previous version data3 Programming... Writing new version dataVERSION : ************.***CompletedSUM : 7ABCF/W Version Up Mode Model No : *******VERSION : *.**"*******" differs depending on the models.Fig. e Completed Program Mode Screen(*2)Fig. f VFD upon Finishing the Programming Mode (Example)Fig. g"*******" differ depending on the models.MODEL : *******Version : *.**Region : *LD OPERATING TIMETIME(DVD) : *:**TIME(CD) : *:**EXIT: POWEREEPROM CLEAR : CLEAR