T750 Surround Sound AM/FM Receiver GB Owner's Manual F D E I P S Manuel d'Installation Bedienungsanleitung Manual del Usuario Manuale delle Istruzioni Manual do Proprietário Bruksanvisning IMPORTANT SAFETY INSTRUCTIONS CAUTION ATTENTION: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. Warning: To reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. The lightning flash with an arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. Do not place this unit on an unstable cart, stand or tripod, bracket or table. The unit may fall, causing serious injury to a child or adult and serious damage to the unit. Use only with a cart, stand, tripod, bracket or table recommended by the manufacturer or sold with the unit. Any mounting of the device on a wall or ceiling should follow the manufacturer's instructions and should use a mounting accessory recommended by the manufacturer. An appliance and cart combination should be moved with care. Quick stops, excessive force and uneven surfaces may cause the appliance and cart combination to overturn. Read and follow all the safety and operating instructions before connecting or using this unit. Retain this notice and the owner's manual for future reference. All warnings on the unit and in its operating instructions should be adhered to. Do not use this unit near water; for example, near a bath tub, washbowl, kitchen sink, laundry tub, in a wet basement or near a swimming pool. The unit should be installed so that its location or position does not interfere with its proper ventilation. For example, it should not be situated on a bed, sofa, rug or similar surface that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet, that may impede the flow of air through its ventilation openings. The unit should be situated from heat sources such as radiators, heat registers, stoves or other devices (including amplifiers) that produce heat. The unit should be connected to a power supply outlet only of the voltage and frequency marked on its rear panel. The power supply cord should be routed so that it is not likely to be walked on or pinched, especially near the plug, convenience receptacles, or where the cord exits from the unit. Unplug the unit from the wall outlet before cleaning. Never use benzine, thinner or other solvents for cleaning. Use only a soft damp cloth. The power supply cord of the unit should be unplugged from the wall outlet when it is to be unused for a long period of time. Care should be taken so that objects do not fall, and liquids are not spilled into the enclosure through any openings. This unit should be serviced by qualified service personnel when: A. The power cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the unit; or C. The unit has been exposed to rain or liquids of any kind; or D. The unit does not appear to operate normally or exhibits a marked change in performance; or E. The device has been dropped or the enclosure damaged. POUR ÉVITER LES CHOC ELECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU'AU FOND. TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT. If an indoor antenna is used (either built into the set or installed separately), never allow any part of the antenna to touch the metal parts of other electrical appliances such as a lamp, TV set etc. ATTENTION CAUTION CAUTION POWER LINES Any outdoor antenna must be located away from all power lines. OUTDOOR ANTENNA GROUNDING If an outside antenna is connected to your tuner or tunerpreamplifier, be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA No. 70-1984, provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes and requirements for the grounding electrode. a. Use No. 10 AWG (5.3mm2) copper, No. 8 AWG (8.4mm2) aluminium, No. 17 AWG (1.0mm2) copper-clad steel or bronze wire, or larger, as a ground wire. b. Secure antenna lead-in and ground wires to house with stand-off insulators spaced from 4-6 feet (1.22 - 1.83 m) apart. c. Mount antenna discharge unit as close as possible to where leadin enters house. d. Use jumper wire not smaller than No.6 AWG (13.3mm2) copper, or the equivalent, when a separate antenna-grounding electrode is used. see NEC Section 810-21 (j). EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810 - RADIO AND TELEVISION EQUIPMENT. NOTE TO CATV SYSTEM INSTALLER: This reminder is provided to call the CATV system installer's attention to Article 820-40 of the National Electrical Code that provides guidelines for proper grounding and, in particular, specifies that the ground cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical. DO NOT ATTEMPT SERVICING OF THIS UNIT YOURSELF. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Upon completion of any servicing or repairs, request the service shop's assurance that only Factory Authorized Replacement Parts with the same characteristics as the original parts have been used, and that the routine safety checks have been performed to guarantee that the equipment is in safe operating condition. REPLACEMENT WITH UNAUTHORIZED PARTS MAY RESULT IN FIRE, ELECTRIC SHOCK OR OTHER HAZARDS. 2 REAR PANEL CONNECTIONS FRONT PANEL CONTROLS 3 FIGURE 1 FIGURE 2 FIGURE 3 4 FIGURE 4 1 2 3 4 7 5 6 8 9 10 11 FIGURE 5 DOLBY DELAY 25ms 40 DISTANCE FROM REAR SPEAKERS (FEET) 35 30 25 20 15 10 5 s 5m 15 m s 20ms 15ms 15ms 15ms 15ms 15 s m 1 s m 20 25 10ms s m s m 30 30 5ms s m 30 s m HAAS EFFECT DIFFERENTIAL ARRIVAL TIME 35 40 PREFERRED ACCEPTABLE NOT RECOMMENDED 0 5 10 15 20 25 30 DISTANCE FROM FRONT SPEAKERS USABLE SPEAKER PLACEMENT RANGE WITH XXms DELAY TIME 5 NAD T750 Surround Sound AM/FM Receiver NOTES ON INSTALLATION Your NAD T750 should be placed on a firm, level surface. Avoid placing the unit in direct sunlight or near sources of heat and damp. Allow adequate ventilation. Do not place the unit on a soft surface like a carpet. Do not place it in an enclosed position such a bookcase or cabinet that may impede the air-flow through the ventilation slots. Make sure the unit is switched off before making any connections. The RCA sockets on your NAD T750 are colour coded for convenience. Red and white are Right and Left audio respectively, and yellow for NAD Link. Use high quality leads and sockets for optimum performance and reliability. Audio RCA leads will function correctly for video signals, although it is recommended to use dedicated video leads where possible. Ensure that leads and connectors are not damaged in any way and all connectors are firmly pushed home. For best performance, use quality speaker leads of 16 gauge (1.5mm) thickness or more. If the unit is not going to be used for some time, disconnect the plug from the AC socket. Should water get into your NAD T750, shut off the power to the unit and remove the plug from the AC socket. Have the unit inspected by a qualified service technician before attempting to use it again. Do not remove the cover, there are no user-serviceable parts inside. Use a dry soft cloth to clean the unit. If necessary, lightly dampen the cloth with soapy water. Do not use solutions containing benzol or other volatile agents. REAR PANEL CONNECTIONS 4. TAPE 1 Connections for analogue recording and playback to an audio tape recorder of any type, such as a cassette, reel-reel, DAT, MD or DCC. Using twin RCA-to-RCA leads, connect to the left and right `Audio Output' of the tape machine to the TAPE 1 IN connectors for playback. Connect the left and right `Audio Input' of the tape machine to the TAPE 1 OUT connectors for recording. 5. TAPE 2 Connections for analogue recording and playback to a second audio tape recorder of any type. Using twin RCA-to-RCA leads, connect to the left and right `Audio Output' of the tape machine to the TAPE 2 IN connectors for playback. Connect the left and right `Audio Input' of the tape machine to the TAPE 2 OUT connectors for recording. 6. VIDEO 1 TO VIDEO 3 (AUDIO) Inputs for the audio playback from a VCR or other video device such as a stereo TV, satellite or cable TV receiver or a Laser Disc. Using twin RCA-to-RCA leads, connect to the left and right `Audio Out' of the VCR/TV/LD/satellite receiver to these inputs. These audio inputs are used in conjunction with the composite (line) video inputs marked VIDEO 1, VIDEO 2 or VIDEO 3. VIDEO 1 to 3 are used for playback only, use VIDEO 4 if you want to connect a VCR for recording and playback through the T750. 7. VIDEO 4 (AUDIO) Connections for the audio recording and playback to a VCR or other video recorder. Using twin RCA-to-RCA leads, connect to the left and right `Audio Out' of the VCR to the VIDEO 4 IN connectors for playback. Connect the left and right `Audio In' of the VCR to the VIDEO 4 OUT connectors for recording. These audio inputs are used in conjunction with the composite (line) video inputs marked VIDEO 4 IN and the video outputs marked VIDEO 4 OUT. 8. AM ANTENNA An AM loop antenna is supplied with the T750 and is required for AM reception. Open the clip terminal lever and insert the wire from the antenna. Closing the lever will lock the wire in place (Fig. 2). Test various positions for the antenna, but always ensure the loop is placed vertically for best reception. Placing the antenna close to large metal items such as metal shelves or radiators may interfere with reception. NOTE: When reception is not satisfactory using the supplied AM loop antenna alone, connection of an external antenna is recommended. Do not remove the AM loop antenna. Do not connect anything other than a loop antenna to the AM ANTENNA terminal. The antenna cable to the loop antenna must not exceed 3 meters. 9. FM ANTENNA A ribbon wire FM antenna is included and should be connected to the FM connector at the rear of the unit (Fig. 1). The ribbon aerial should be mounted on a vertical surface and placed so that it forms a `T'. Experiment with placement of the antenna to find the position that gives the best signal strength and lowest background noise. An inadequate FM signal normally results in high levels of hiss, especially in stereo, and interference from external electrical sources. In areas of poor FM reception, the tuner section's performance can be improved by using an externally mounted FM antenna. A qualified aerial installer will be able to advise and fit a recommended aerial for your reception conditions. GB 1. 5.1 CHANNEL INPUTS Inputs for the multi-channel audio signals from an external decoder, such as a DVD player with integrated Dolby Digital decoder. Use two twin RCA-to-RCA lead to connect the decoder's front left and right `Audio Outputs' to the Front left and right inputs, and the decoder's Surround left and right outputs to the Surround left and right inputs. Use a third twin RCA-to-RCA lead to connect the decoder's subwoofer output to the Subwoofer input and the decoder's Centre channel output to the Centre channel input. Make sure you to follow colour coding of the plugs to ensure that both Centre and Subwoofer are connected correctly, for instance, use the red plugs at either end to connect the centre channel and the white plugs for the subwoofer channel. 2. CD INPUT Input for CD player (analogue audio signal) or other line-level signal source. Use a twin RCA-to-RCA lead to connect the CD player's left and right `Audio Outputs' to this input. 3. AUX INPUT Input for audio components. Use a twin RCA-to-RCA lead to connect the audio component left and right `Audio Outputs' to this input. 6 10. SOFT CLIPPING When an amplifier is driven beyond its specified power output, a hard, distorted sound can be heard on very loud sounds. This is caused by the amplifier cutting off or `hard clipping' the peaks of sound that it was not designed to reproduce. The NAD Soft Clipping circuit gently limits the output of the system to minimise ...