GMA3702 - Receiver PIONEER - Free user manual and instructions

USER MANUAL GMA3702 PIONEER

5707000011330S <1>PIONEER CORPORATION

5707000011330S <2>Thank you for purchasing this PIONEER product To ensure proper use, please read through this manual before using this product. It is espe- cially important that you read and observe WARNINGs and CAUTIONs in this manual. Please keep the manual in a safe and accessible place for future reference. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interfer- ence, and (2) this device must accept any inter- ference received, including interference that may cause undesired operation. Information to User Alteration or modifications carried out without appropriate authorization may invalidate the user’s right to operate the equipment. Note This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential in- stallation. This equipment generates, uses and can radiate radio frequency energy and, if not in- stalled and used in accordance with the instruc- tions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular in- stallation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equip- ment off and on, the user is encouraged to try to correct the inter ference by one or more of the fol- lowing measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a cir- cuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. After-sales service for Pioneer products Please contact the dealer or distributor from where you purchased this unit for after-sales service (including warranty conditions) or any other informatio n. In case the necessary infor- mation is not available, please contact the companies listed below: Please do not ship your unit to the companies at the addresses listed below for repair without advance contact. USA&CANADA Pioneer Electronics (USA) Inc.

CUSTOMER SUPPORT DIVISION

P.O. Box 1760 Long Beach, CA 90801-1760 800-421-1404 For warranty information please see the Lim- ited Warranty sheet included with this unit. If you experience problems Should this product fail to operate properly, please contact your dealer or nearest author- ized Pioneer Service Station.

5707000011330S <3>Visit our website http://www.pioneerelectronics.com in Canada http://www.pioneerelectronics.ca ! Learn about product updates (such as firm- ware updates) for your product. ! Register your product to receive notices about product updates and to safeguard purchase details in our files in the event of loss or theft. ! Access owner’s manuals, spare parts infor- mation, service information, and much more. The Safety of Your Ears is in Your Hands Get the most out of your equipment by playing it at a safe level—a level that lets the sound come through clearly without annoying blar- ing or distortion and, most importantly, with- out affecting your sensitive hearing. Sound can be deceiving. Over time, your hearing “comfort level” adapts to higher volumes of sound, so what sounds “normal” can actually be loud and harmful to your hearing. Guard against this by setting your equipment at a safe level BEFORE your hearing adapts. ESTABLISH A SAFE LEVEL: ! Set your volume control at a low setting. ! Slowly increase the sound until you can hear it comfortably and clearly, without dis- tortion. ! Once you have established a comfortable sound level, set the dial and leave it there.

BE SURE TO OBSERVE THE FOLLOWING

GUIDELINES: ! Do not turn up the volume so high that you can’t hear what’s around you. ! Use caution or temporarily discontinue use in potentially hazardous situations. ! Do not use headphones while operating a motorized vehicle; the use of headphones may create a traffic hazard and is illegal in many areas. Before connecting/ installing the amplifier WARNING ! The use of a special red battery and ground wire RD-223, available separately, is recom- mended. Connect the battery wire directly to the car battery positive terminal + and the ground wire to the car body. ! This unit is for vehicles with a 12 V battery and negative grounding. Before installing in re- creational vehicles, trucks or buses, check the battery voltage. ! When installing this unit, make sure to con- nect the ground wire first. Ensure that the ground wire is properly connected to metal parts of the car’s body. The ground wire of the one of this unit must be connected to the car separately with different screws. If the screw for the ground wire loosens or falls out, it could result in fire, generation of smoke or malfunction. ! Always use a fuse of the rating prescribed. The use of an improper fuse could result in overheating and smoke, damage to the pro- duct and injury, including burns. ! Check the connections of the power supply and speakers if the fuse of the separately sold battery wire or the amplifier fuse blows. Deter- mine and resolve the cause, then replace the fuse with and identical equivalent. ! Always install the amplifier on a flat surface. Do not install the amplifier on a surface that is not flat or on a surface with a protrusion. Doing so could result in malfunction.

5707000011330S <4>! When installing the amplifier, do not allow parts such as extra screws to get caught be- tween the amplifier and the automobile. Doing so could cause malfunction. ! Do not allow this unit to come into contact with liquids. Electrical shock could result. Also, damage to this unit, smoke, and over- heating could result from contact with liquids. The surfaces of the amplifier and any attached speakers may also heat up and cause minor burns. ! In the event of any abnormality, the power supply to the amplifier is cut off to prevent equipment malfunction. If this occurs, switch the system power off and check the power supply and speaker connections. If you are un- able to determine the cause, please contact your dealer. ! Always disconnect the negative * terminal of the batter y beforehand to avoid the risk of electric shock or short circuit during installa- tion. ! Do not attempt to disassemble or modify this unit. Doing so may result in fire, electric shock or other malfunction. CAUTION ! Always keep the volume low enough to hear outside sounds. ! Extended use of the car stereo while the en- gine is at rest or idling may exhaust the bat- tery. ! This product is evaluated in moderate and tro- pical climate condition under the Audio, video and similar electronic apparatus - Safety re- quirements, IEC 60065. ! The graphical symbol placed on the product means direct current. About the protection function This product has protection function. When this product detects something abnormal, the follow- ing functions will operate to protect the product and speaker output. ! The power indicator will turn off and the am- plifier will shut down in the situations outlined below. — If the speaker output terminal and speaker wire are short-circuited. — If a DC voltage is applied to the speaker output terminal. ! The amplifier will reduce the power output if the temperature inside the amplifier gets high. If the temperature gets too high, the power indicator will turn off, and the amplifier will shut down. Important (Serial number) The serial number is located on the bottom of this unit. For your own security and convenience, be sure to record this number on the enclosed warranty card. Note Before installing this unit in your vehicle, refer to the illustration below and remove the tag (GM- A5702 only). Do not use the parts you have removed (screws etc.) when installing the unit in your vehicle.

5707000011330S <5>What’s what GM-A5702 Front side Rear side GM-A3702 Front side Rear side To adjust the switch, use a flathead screwdri- ver if needed. 1 LPF (low-pass filter) switch Switch the settings based on the connected speaker. ! When the Subwoofer is connected: Select ON. This eliminates high range frequency and outputs low range fre- quency. ! When the full range speaker is con- nected: Select OFF. OFF outputs the entire fre- quency range. 2 FREQ (cut off frequency) control Cut off frequency selectable from 40 Hz to 500 Hz if the LPF select switch is set to ON. 3 BASS BOOST (bass boost level control) switch You can select a bass boost level from 0 dB, 6 dB and 12 dB. 4 GAIN (gain) control If the output remains low, even when the car stereo volume is turned up, turn the con- trols to a lower level. If distortion occurs when the car stereo volume is turned up, turn these controls to a higher level. ! For use with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. For use with an RCA equipped Pioneer car stereo, with maxi- mum output of 4 V or more, adjust level to match that of the car stereo output. ! For use with an RCA equipped car stereo with output of 4 V, set to the HIGH posi- tion. ! If you hear too much noise when using the speaker input terminals, turn the gain control to higher level. 5 Power indicator The power indicator lights up to indicate power ON.

5707000011330S <6>Setting gain properly ! Protective function included to prevent malfunction of the unit and/or speakers due to excessive output, improper use or improper connection. ! When outputting high volume sound etc., this function cuts off the output for a few seconds as a normal function, but output is restored when the volume of the head unit is turned down. ! A cut in sound output may indicate impro- per setting of the gain control. To ensure continuous sound output with the head unit at a high volume, set amplifier gain control to a level appropriate for the preout maximum output level of the head unit, so that volume can remain unchanged and to control excess output. ! Despite correct volume and gain settings, the unit sound still cuts out periodically. In such cases, please contact the nearest authorized Pioneer Service Station. Gain control of this unit Preout level: 4 V Preout level: 2 V (Standard: 500 mV) Above illustration shows NORMAL gain set- ting. Relationship between amplifier gain and head unit output power If amplifier gain is raised improperly, this will simply increase distortion, with little increase in power. Signal waveform when outputting at high volume using amplifier gain control If the signal waveform is distorted due to high output, even if the amplifier gain is raised, the output power will change only slightly.

5707000011330S <7>Connection diagram 1 Special red battery wire RD-223 (sold separately) After completing all other amplifier connec- tions, finally connect the battery wire terminal of the amplifier to the positive + battery term- inal. 2 Ground wire (Black) RD-223 (sold separately) Connect to metal body or chassis. 3 Car stereo with RCA output jacks (sold sepa- rately) 4 External output 5 Connecting wire with RCA pin plugs (sold se- parately) 6 Speaker input terminal (use a connector in- cluded) Please see the following section for speaker connection instructions. Refer to Connections when using the speaker input wire. 7 RCA input jack 8 System remote control wire (sold separately) Connect male terminal of this wire to the sys- tem remote control terminal of the car stereo. The female terminal can be connected to the auto-antenna relay control terminal. If the car stereo lacks a system remote control terminal, connect the male terminal to the power term- inal via the ignition switch. 9 Speaker output terminals Please see the following section for speaker connection instructions. Refer to Connecting the speakers. a Fuse 30 A × 2 (GM-A5702) / 25 A × 1 (GM- A3702) b Fuse (30 A) × 2 c Grommet d Rear side e Front side

Connecting the units

5707000011330S <8>Before connecting the amplifier WARNING ! Secure the wiring with cable clamps or adhe- sive tape. To protect the wiring, wrap sections in contact with metal parts in adhesive tape. ! Never cut the insulation of the power supply to feed power to other equipment. Current ca- pacity of the wire is limited. CAUTION ! Never shorten any wires, the protection circuit may malfunction. ! Never wire the speaker negative cable directly to ground. ! Never band together multiple speaker’s nega- tive cables. ! If the system remote control wire of the ampli- fier is connected to the power terminal via the ignition switch (12 V DC), the amplifier will re- main on with the ignition whether the car stereo is on or off, which may exhaust battery if the engine is at rest or idling. ! Install and route the separately sold battery wire as far as possible from the speaker wires. Install and route the separately sold battery wire, ground wire, speaker wires and the am- plifier as far away as possible from the anten- na, antenna cable and tuner. About bridged mode ! Do not install or use this amplifier by wiring speakers rated at 4 W (or lower) in parallel to achieve a 2 W (or lower) bridged mode (Dia- gram B). Amplifier damage, smoke, and overheating could result from improper bridging. The am- plifier surface could also become hot to the touch and minor burns could result. To properly install or use a bridged mode and achieve a 4 W load, wire two 8 W speakers in parallel with Left + and Right * (Diagram A) or use a single 4 W speaker. In addition, refer to the speaker instruction manual for information on the correct connec- tion procedure. ! For any further enquiries, contact your local authorized Pioneer dealer or customer service. About suitable specification of speaker Ensure speakers conform to the following standards, otherwise there is a risk of fire, smoke or damage. Speaker impedance is 2 W to 8 W for stereo connection, or 4 W to 8 W for monaural and other bridge connection.

Connecting the units

5707000011330S <9>Subwoofer Speaker channel PowerTwo-channel outputNominal input:Min. 150 W (GM-A5702)Min. 60 W (GM-A3702)One-channel outputNominal input:Min. 480 W (GM-A5702)Min. 190 W (GM-A3702) Other than subwoofer Speaker channel PowerTwo-channel outputMAX input:Min. 300 W (GM-A5702)Min. 170 W (GM-A3702)One-channel outputMAX input:Min. 1000 W (GM-A5702)Min. 500 W (GM-A3702) Connecting the speakers The speaker output mode can be two-channel (stereo) or one-channel (mono). Connect the speaker leads to suit the mode according to the figures shown below. Two-channel output (Stereo)

1 Speaker (Left) 2 Speaker (Right) One-channel output

Connecting the units

5707000011330S <10>Connections when using the speaker input wire Connect the car stereo speaker output wires to the amplifier using the supplied speaker input wire. ! Do not connect both the RCA input and the speaker input at the same time. 1 Car Stereo 2 Speaker output 3 White/black: Left * 4 White: Left + 5 Gray/black: Right * 6 Gray: Right + 7 Speaker input connector To speaker input terminal of this unit. Note If speaker input wires from a headunit are con- nected to this amplifier, the amplifier will automa- tically turn on when the headunit is turned on. When the headunit is turned off, the amplifier turns off automatically. This function may not work with some headunits. In such cases, make sure that the Left channel is connected correctly. If the function still does not work, please use a system remote control wire (sold separately). If multiple amplifiers are to be connected together synchronously, connect the head unit and all am- plifiers via the system remote control wire. Connecting the power terminal The use of a special red battery and ground wire RD-223 (sold separately) is recom- mended. Connect the battery wire directly to the car battery positive terminal + and the ground wire to the car body. WARNING If the battery wire is not securely fixed to the term- inal using the terminal screws, there is a risk of overheating, malfunction and injury, including minor burns. 1 Route battery wire from engine com- partment to the vehicle interior. ! When drilling a cable pass-hole into the ve- hicle body and routing a battery wire thor- ough it, take care not to short-circuit the wire damaging it by the cut edges or burrs of the hole. After completing all other amplifier connec- tions, finally connect the battery wire terminal of the amplifier to the positive + battery term- inal. 1 Positive + terminal 2 Engine compartment 3 Vehicle interior 4 Fuse (30 A) × 2 5 Insert the O-ring rubber grommet into the vehicle body. 6 Drill a 14 mm (1/2 in.) hole into the vehicle body.

Connecting the units

5707000011330S <11>2 Twist the battery wire, ground wire and system remote control wire. Twist 3 Attach lugs to wire ends. Use pliers, etc., to crimp lugs to wires. 1 Lug (sold separately) 2 Battery wire 3 Ground wire 4 Connect the wires to the terminal. Fix the wires securely with the terminal screws. 1 System remote control terminal 2 Ground terminal 3 Power terminal 4 Terminal screws 5 Battery wire 6 Ground wire 7 System remote control wire Connecting the speaker output terminals 1 Use wire cutters or a utility knife to strip the end of the speaker wires to ex- pose about 10 mm (3/8 in.) of wire and then twist the wire. Twist 2 Attach lugs to wire ends. Use pliers, etc., to crimp lugs to wires. 1 Lug (sold separately) 2 Speaker wire 3 Connect the speaker wires to the speaker output terminals. Fix the speaker wires securely with the term- inal screws.

Connecting the units

5707000011330S <12>1 Terminal screws 2 Speaker wires 3 Speaker output terminals Before installing the amplifier WARNING ! To ensure proper installation, use the supplied parts in the manner specified. If any parts other than those supplied are used, they may damage internal parts of the amplifier, or be- come loose causing the amplifier to shut down. ! Do not install in: — Places where it could injure the driver or passengers if the vehicle stops suddenly. — Places where it may interfere with the dri- ver, such as on the floor in front of the dri- ver’s seat. ! Install tapping screws in such a way that the screw tip does not touch any wire. This is im- portant to prevent wires from being cut by vi- bration of the car, which can result in fire. ! Make sure that wires do not get caught in the sliding mechanism of the seats or touch the legs of a person in the vehicle as short-circuit may result. ! When drilling to install the amplifier, always confirm no parts are behind the panel and protect all cables and important equipment (e.g. fuel/brake lines, wiring) from damage. CAUTION ! To ensure proper heat dissipation of the ampli- fier, ensure the following during installation: — Allow adequate space above the amplifier for proper ventilation. — Do not cover the amplifier with a floor mat or carpet. ! Protection function may activate to protect the amplifier against overheating due to installa- tion in locations where sufficient heat cannot be dissipated, continuous use under high-vo- lume conditions, etc. In such cases, the am- plifier reduces the power output or shuts down until it has cooled to a certain desig- nated temperature. ! Place all cables away from hot places, such as near the heater outlet.

Connecting the units Installation

5707000011330S <13>! The optimal installation location differs de- pending on the car model. Secure the ampli- fier at a sufficiently rigid location. ! Check all connections and systems before final installation. ! After installing the amplifier, confirm that the spare tire, jack and tools can be easily re- moved. Example of installation on the floor mat or chassis 1 Place the amplifier in the desired instal- lation location. Insert the supplied tapping screws (4 mm × 18 mm (1/8 in. × 3/4 in.)) into the screw holes and push on the screws with a screwdriver so they make an imprint where the installation holes are to be located. 2 Drill 2.5 mm (1/8 in.) diameter holes at the imprints either on the carpet or directly on the chassis. 3 Install the amplifier with the use of supplied tapping screws (4 mm × 18 mm (1/8 in. × 3/4 in.)).

1 Tapping screws (4 mm × 18 mm (1/8 in. × 3/4 in.)) 2 Drill a 2.5 mm (1/8 in.) diameter hole. 3 Floor mat or chassis 4 Hole-to-hole distance: 343 mm (13-1/2 in.) (GM-A5702) / 233 mm (9-1/8 in.) (GM-A3702) 5 Hole-to-hole distance: 195 mm (7-5/8 in.) (GM-A5702) / 160 mm (6-1/4 in.) (GM- A3702)

5707000011330S <14>Specifications GM-A5702 Power source ............................. 14.4 V DC (10.8 V to 15.1 V allowable) Grounding system ................... Negative type Current consumption ............ 36 A (at continuous power, 4 W) Average current consumption ..................................................... 9.5 A (4 W for two channels)

15.5 A (4 W for one channel)

• Fuse p. 30
• A × 2 Dimensions (W × H × D) p. 356
• mm × 60 mm × 215 mm (14 in. × 2-3/8 in. × 8-1/2 in.) Weight p. 2
• .2 kg (4.9 lbs) (Leads for wiring not in- cluded) Maximum power output W × 2 (4 W) / 500 W × 2 p. 300

6.5 A (4 W for one channel)

• Fuse p. 25
• A × 1 Dimensions (W × H × D) p. 246
• mm × 60 mm × 180 mm (9-5/8 in. × 2-3/8 in. × 7-1/8 in.) Weight p. 1
• .4 kg (3.1 lbs) (Leads for wiring not in- cluded) Maximum power output W × 2 (4 W) / 250 W × 2 p. 170

Additional information

14.4 V, 4 W and ≦ 1 % THD

+N) S/N ratio ....................................... 78 dBA (reference: 1 W into 4 W) Notes ! Specifications and the design are subject to modifications without notice. ! The average current consumption is nearly the maximum current consumption by this unit when an audio signal is input. Use this value when working out total current con- sumption by multiple power amplifiers.

Additional information

Pioneer Electronics (USA) Inc.