25Chapter One : Connecting Your DevicesConnectionsConnecting Your Laser Disc Player (with AC-3 RF Output), continuedDo not plug in the receiver to AC power until you haveconnected all your devices.You must purchase an RF Demodulator (DEM-9991D) ifyou plan to operate a player with a Dolby Digital (AC-3) RFOutput with this receiver.These instructions describe how to connect a laser disc playerwith an AC-3 RF Output. If your laser disc player does nothave an AC-3 RF output, see “Connecting Your Laser DiscPlayer (without AC-3 RF Output)” on page␣ 26. Please referto your laser disc player’s instructions for more detail aboutits connection jacks and capabilities.The instructions in this section show one of several pos-sible variations on connecting your laser disc player. Forfurther assistance on optional configurations, contact thestore where you purchased your receiver.To Connect an AC-3 RF Output Laser DiscPlayer:1. Review the information under “Before You Begin” onpage␣ 1. It contains important notes about the types ofvideo connections you can make.2. Connect the audio cables from the laser disc player’sAudio OUT jacks to the receiver’s AUDIO jacks (VIDEO4 PLAY IN) as shown to the left.Do not connect the digital cable (coaxial or optical)yet; it must be connected via the demodulator as de-scribed in the following steps.3. Connect the AC-3 RF coaxial cable from the laser discplayer’s AC-3 RF OUT jack to the demodulator’s RF IN-PUT AC-3 RF jack as shown to the left.4. Connect the digital cable (either coaxial or optical) fromthe laser disc player’s digital jack to the appropriateDIGITAL INPUT jack on the demodulator as shown tothe left. Set the switch on the front of the DEM-9991Dto the type of connection you made.5. Connect the coaxial digital cable from the demodulator’sDIGITAL OUTPUT COAX. jack to the receiver’s VIDEO4COAXIAL jack.6. Connect the demodulator’s supplied 12V AC adapter tothe DC IN jack on the demodulator. Do not plug theadapter into the wall until you have finished making allconnections to the receiver.7. Go to “Noting Your Devices” on page␣ 3 and note whichjacks you used to connect your laser disc player. In ad-dition, note the brand name and model number of thelaser disc player.