UEX/650 Upgrade Kit For Model CP650 Installation Instructions Issue 1 Part No.
UEX/650 Upgrade Kit Installation Dolby Laboratories, Inc. Corporate Headquarters Dolby Laboratories 100 Potrero Avenue San Francisco, CA 94103-4813 Telephone 415-558-0200 Facsimile 415-863-1373 www.dolby.
UEX/650 Upgrade Kit Installation UEX/650 Upgrade Kit Introduction The UEX/650 upgrade kit converts a Dolby Model CP650D into a Model CP650 with Dolby Digital Surround EX film soundtrack playback capability. See a detailed description of the format at the end of this manual. In addition, the kit adds digital AES/EBU input signal capability. This input accommodates stereo PCM audio at sample rates of 48, 44.1, or 32 kHz. Jumpers can be set to accommodate an S/PDIF input signal.
UEX/650 Upgrade Kit Installation Handling PC Boards Some steps in this upgrade involve handling printed circuit boards. Many components on the PC boards are very sensitive to static electricity. These components can be destroyed if static charge on your body discharges through the component. You do not even have to touch the component to damage it. Before touching the components or the printed circuit boards, ground yourself by rubbing the frame of the unit with each hand or wearing an earthing strap.
UEX/650 Upgrade Kit Installation MADE IN U.S.A/U.K. J4 7. Remove the Cat. No. 794 upgrade kit board from its anti-static bag and plug it into the left-hand side of the main board by aligning the two connectors shown in the figure. Press down on each side making sure the connectors are fully seated. The board can be oriented only one way for the connectors to match. AES/EBU S/PDIF Cat. No. 794 Dolby Digital Surround EX board Location of Cat. No. 773 board Note: The Cat. No.
UEX/650 Upgrade Kit Installation 10. Reinstall the assembly into the CP650. Push the board in firmly until it is fully seated. 11. Reinstall the two ribbon cables, inner panel, and front panel. Power Amp Connections With the Cat. No. 794 board installed, the CP650 outputs to all surround channels appear at the Option I/O Card connector on the rear panel of the CP650. The Left Surround and Right Surround channel output wiring must be moved from the Main Audio Output connector to this connector.
UEX/650 Upgrade Kit Installation Alignment Dolby Digital Surround EX is defined as Format 13. The User 1 (U1) front panel format button was assigned to this format at the factory, and is active when the Cat. No. 794 is installed. If the U1 button was subsequently assigned to a different format, reassign the U1 button (or U2 button) to Format 13.
UEX/650 Upgrade Kit Installation The AES/EBU Digital Input With a Cat. No. 794 board installed, the CP650 is capable of handling input bitstreams from a digital audio source. Possible digital sources include a CD player, DVD player, satellite television receiver, HDTV receiver, or a HD video player. Bitstream Format for the Digital Audio Input The digital input on the Cat. No. 794 can accept a two-channel PCM (pulse code modulated) bitstream.
UEX/650 Upgrade Kit Installation Professional video equipment uses a variation of this interface, where the P-P digital audio signal is 1V. The decoding circuit handles both levels automatically. BNC (“push and twist”) connectors are used for the digital audio signal on professional video equipment. Like the use of XLR connectors on pro audio equipment, the adoption of BNC connectors for pro video stems from their existing use for the video signal.
UEX/650 Upgrade Kit Installation Assign Format 80 After the connections have been made, the digital input format (Format 80) must be assigned to one of the user-definable format buttons U1, U2, or NS. Using the PC setup software, select Format 80 from the pull-down list for the format button to be assigned, or use the CP650 front-panel menu steps shown below. Press the left menu button multiple times to move to the User Format 1, 2, or NS menu. This example shows the U2 button.
UEX/650 Upgrade Kit Installation About Dolby Digital Surround EX Dolby Digital Surround EX adds a third surround channel to digital film sound, a concept first envisioned by sound designers at Lucasfilm’s Skywalker Sound post production facility. Jointly developed by Dolby Laboratories and Lucasfilm THX , Dolby Digital Surround EX gives sound mixers a new level of creative freedom. Dolby Digital Surround EX is fully compatible with all current 5.1 digital sound formats and theatre systems.
UEX/650 Upgrade Kit Installation un d Bsl su ft Ls rro Surround amplifiers Le Dolby CP650 Bsr Ls Rs d un ro ur ts gh Ri 10 Back surround left Back surround right Back surround left Back surround right Rs Ls Bsl Bsr Rs Dolby Digital 5.
UEX/650 Upgrade Kit Installation 12345678 Setup Menu DIP switch 6 UP The Bsl and Bsr channels shown in italics are available only with Cat. No. 794 installed. B-Chain: menu menu OK OK Notes Format and CP650 status display 0–10 1 Calibrate SPL 45–108.5 dB 2 Output Levels Adjust (initial) 3 Digital Subwoofer Level Adjust (initial) 4 Bulk EQ Adjust Channel: Level: L, C, R, Ls, Bsl, Bsr,Rs 1–127 (0.3 dB steps) Level: Adjust fader. Standard setting is 7.0.
UEX/650 Upgrade Kit Installation A-Chain: menu menu OK OK 11 12 Notes Automatic Optical Level Adjust, Projector 1 Automatic Optical Level Adjust, Projector 2 Run Cat. No. 69T test film and press OK. OK . Run Cat. No. 69T test film and press OK. Manual Optical Level Adjust, Projector 1 13 OK Left channel / Right channel Adjust level of selected cell: 0–63 (0.3 dB steps) Run Cat. No. 69T test film and press OK.
UEX/650 Upgrade Kit Installation 12345678 User Menu DIP switch 6 DOWN The options shown in bold are the default settings when the unit was shipped from the factory. menu menu OK OK Notes This is the top-level menu display.
