JBL DA1002 Stereo Amplifier User Manual
Contents
1. Figure 4 Troubleshooting Use the following guide to identify symptoms and solve problems Make sure the vehicle s electrical system is working properly and power is reaching the amplifier s power connector Symptom Likely Cause Solution No audio Low no remote on voltage Speakers are not connected or are blown Check connections turn test turn on voltage Check wiring use VOM DVM to measure speaker coil resistance Distorted audio Input sensitivity is not set properly See Setting Input Sensitivity on page 5 Audio lacks punch Speakers are wired with wrong polarity Check polarity of connections refer to Applications Audio cycles off and on amber protection LED JBL badge on top panel is not lit A protection circuit is turning amplifier off and on Verify the following off electrical system is between 5 18 Vdc temperature is not over 194 F 90 C no short circuits speaker loads are not less than 2 ohms 4 ohms in mono Audio cycles off and on amber protection LED JBL badge on top panel is not lit GAIN is set too high Set Input Sensitivity correctly see page 5 Fuse blows Incorrect wiring or short circuit Check connections refer to Applications Declaration of Conformity We JBL Europe A S Kongevejen 1948 DK 3460 Birkerad DENMARK declare in own responsibility that the products described in this owner s manual are in complian2. JBL D E E AMPLIFIERS DA4002 DA6502 DA3504 DA1002 Le GENUINE JBL Thank you for purchasing your new JBL Decade Series power amplifier Decade Series power amplifiers feature the latest advances in discrete circuit topology ensuring low distortion and superbly clean and clear sound quality In addition to RCA type pre amp inputs Decade Series amplifiers feature Floating Ground Factory Head Unit Interface designed to facilitate integration with fac tory installed audio systems for distor tion free performance All JBL Decade Series power amplifiers feature built in electronic crossovers for easy system expansion without additional outboard processors Amplifier Features e 4 3 or 2 channel operation DA3504 2 or 1 channel operation DA4002 DA6502 DA1002 e Simultaneous stereo and mono operation e Built in 12dB oct electronic crossover e Oversized Floating Rail Mosfet Power Supply e Floating Ground Factory Head Unit Speaker Level Input e Variable input sensitivity 250mV 4V e Fully complementary output stage with Class A voltage amplification e Gold plated power input and output connectors e 2 Ohm stable stereo e Power on indicator badge About This Manual To attain maximum amplifier perfor mance we encourage you to read the remaining pages before installing and operating your new JBL Decade power amplifier Especially review the Appli cations section for ideas on designing a
3. LP 6dB oct HP 4 ohm 4 ohm 75Hz 80mH 530uF 100Hz 6 4mH 400uF 125Hz 5 0mH 318yuF 150Hz 4 2mH 265uF 175Hz 3 6mH 227uF 200Hz 3 2mH 198uF Wiring the Input Connections 1 If you are using conventional RCA input connections and a source unit with output voltage less than 4V sim ply plug the RCA plugs into the RCA jacks on the amplifier 2 If you are connecting the amplifier to a factory installed source unit or to a source unit that only has speaker level outputs connect the speaker outputs of the source to the speaker input plug on the amp using the connector provided Observe the following color codes Left White Left White with black stripe Right Gray Right Gray with black stripe 4 If you are connecting your Decade Series amplifier to a source unit with output voltage higher than 4V connect the output signal wires of the source unit to the floating ground factory head unit inputs Because the inputs have an impedance of 100K ohms this connec tion will provide the best noise free performance possible System Setup and Adjustment Electronic Crossover The electronic crossover s in your Decade Series amplifier can be selected as a 12dB oct high pass filter at 120Hz HPF a 12dB oct low pass filter at 80Hz LPF or it can be defeated FLAT Setting Input Sensitivity Proper input sensitivity control settings on Decade Series power amplifiers are critical to ensure optimum performance low nois
4. ce with technical standard EN 55 020 6 1988 A Cac Steen Michaelsen JBL Europe A S Birkerod DENMARK 3 98 Specifications DA4002 DA6502 DA1002 DA3504 Specifications DA4002 DA6502 DA3504 DA1002 Power Output 4 ohms 2 x 40 watts 2 x 65 watts 4 x 35 watts 2 x 100 watts Power Output 2 ohms 2 x 50 watts 2x 75 watts 4 x 50 watts 2 x 150 watts Power Output Bridged 4 ohms 100 watts 150 watts 2 x 100 watts 300 watts Frequency Response 20Hz 20kHz 1dB 2d 20Hz 20kHz 1dB 2dB 2 Hz 20kHz 1dB 2dB 20Hz 20kHz 1dB 2dB Input Sensitivity 250 mV 4V 250 mV 4V 250 mV 4V 250 mV 4V THD Noise 4 ohms 0 1 0 1 0 1 0 1 Signal to Noise gt 90dB gt 90dB gt 90dB gt 90dB Maximum Current Draw 18A 14A 34A 32A Dimensions W x H x L www bl com 9 5 8 x 2 1 4 x 8 1 4 244 x 57 x 210mm JBL Consumer Products 250 Crossways Park Drive Woodbury NY 11797 H A Harman International Company Part No DECAMPOM Made in Korea 9 5 8 x 2 1 4 x 9 3 4 244 x 57 x 248mm 11 5 8 x 2 9 16 x 11 7 8 295 x 65 x 300mm 11 5 8 x 2 9 16 x 11 5 16 295 x 65 x 290mm
5. e levels and maximum system reliability As a general rule controls at the front end of a system source equal izers and other processors should be set as high as possible with the amplifier input sensitivity set as low as possible while still providing adequate volume lev els Using a high signal level and a low sensitivity setting will help keep back ground noise in the system to a minimum Initially turn the input sensitivity GAIN control to its minimum counter clock wise position 1 Reconnect the negative lead to your vehicle s battery Apply power to the audio system and play a favorite music track from a CD or tape Note After the source unit is on the JBL badge on the top panel will illumi nate indicating the amplifier is on If not check the wiring especially the remote connection from the source unit Also refer to Troubleshooting on page 7 2 On the source unit increase the volume control until it is approximately 3 4 of its maximum output level Slowly increase the Input Sensitivity control clockwise toward three o clock and at the same time listen to the quality of the reproduced sound At some point you ll hear distortion on the music peaks Stop the adjust ment and turn it back slightly This is the maximum undistorted output level of your system and should not be exceeded during use 3 After adjusting the level of the main speakers in your system you should adjust the rema
6. ining channels if you are using a DA3504 or a multi amp system for the desired system bal ance You ll find this easiest to do by adjusting the channels in the following order 1 front speakers 2 rear speak ers 3 subwoofer Elaborate multi channel systems may be too complex to adjust Your local JBL installation specialist is the best person to help with such adjustments Applications For your convenience we ve included several application diagrams to help you plan your own system installation Figures 1 through 4 show how to config ure the Decade Series power amplifiers for stereo bridged mono and tri mode operation Note For simplicity figures do not show power remote and input connec tions Figure 1 This wiring diagram shows a DA4002 DA6502 amplifier set to stereo to drive a pair of full range speakers Figure 2 This wiring diagram shows a DA1002 amplifier set to bridge mode mono to drive a single subwoofer Figure 3 This wiring diagram shows a DA4002 DA6502 amplifier set for tri mode operation For a desired crossover frequency use the chart on page 4 to select an inductor for the subwoofer and corresponding capacitors for left and right speakers Figure 4 This wiring diagram shows a DA3504 set to drive a pair of 5 1 4 2 way speakers with the two front channels and the rear channels set to drive a single subwoofer in bridge mode Figure 1 Figure 2 Figure 3
7. nd expanding your system Also save these instructions for future reference Important Installation of automotive stereo components can require extensive experience in performing a variety of electrical and mechanical procedures Although these instructions explain how to install a JBL Decade power amplifier in a general sense they do not show the exact installation methods for your partic ular vehicle If you do not have the expe rience do not attempt the installation yourself instead ask your Authorized JBL Car Audio Dealer about professional installation options Installation Precautions and Notes e The JBL Decade Power amplifiers have five levels of circuit protection that mon itor the amplifier and will shut it down if the electrical system voltage drops below 5Vdc or exceeds 18Vdc tempera tures are above 194 F 90 C short cir cuits occur or current draw exceeds product specifications For best perfor mance check the intended mounting site to make sure the operating environment does not create conditions that will trigger circuit protection Prior to installation turn off all audio systems and other electrical devices Also disconnect the negative lead from the vehicle s battery At the installation site locate and make a note of all fuel lines hydraulic brake lines and electrical wiring Use extreme caution when cutting or drilling in and around these areas Check clearances on both sides of a plan
8. ned mounting surface before drilling any holes or installing any screws Remember that mounting screws can extend behind the mount ing surface Always wear protective eyewear when using tools When routing cables keep input signal cables away from power cables and speaker wires When making connections make sure that each connection is clean insulated and properly secured Observe the polarity markings on the rear panel Refer to the application drawings to set up the amplifier for operation in stereo bridged mono bi amp or tri mode con figurations If the amplifier s fuse must be replaced use only the same rating and type as a replacement Do not substitute another kind a i Controls and Connectors 1 Pre amp Line Level Input Connector Connects to line level output from the source unit 2 Floating Ground Factory Head Unit Interface Speaker Input Connects to speaker level output from the source unit 2 channel on DA4002 DA6502 DA1002 2 separate 2 channel connec tors on DA3504 3 Speaker Output Connector 2 channel on DA4002 DA6502 and DA1002 4 channel on DA3504 4 Fuse DA4002 15A ATC DA6502 20A ATC DA1002 2x 20A ATC DA3504 30A ATC DA4002 DA6502 5 Power Connector Connection for 12V Gnd and Rem in 6 Input Mode Switch Sums left and right inputs 7 Input Level Control Adjusts input sen sitivity for pre amp level and speaker level inp
9. terminal and connect the other end to the nearest bare metal chassis component Then connect a red wire at least 12G for DA4002 10G for DA6502 DA1002 and DA3504 from the vehicle s 12 volt battery terminal to the Batt terminal on the barrier strip Finally connect a blue wire 16G to the Rem terminal on the barrier strip and connect the other end to the Rem output of the source unit Wiring the Speaker Output Connections 1 Connect the speakers observing proper polarity to the speaker output barrier strip on the amplifier using at least 16G high quality speaker wire Note The total impedance of the speakers connected to the outputs when the amp is driven in stereo must be at least 2 ohms 2 If you are bridging the amplifier con nect the speaker wires to the terminals marked bridge observing proper polarity Note The total impedance of the speaker system to be connected to the amplifier must be at least 4 ohms in bridge mode 3 If you are running the amp in Tri Mode stereo and mono simultaneously to one or two pairs of satellite speakers and a subwoofer refer to the chart below to determine the capacitor and inductor values you ll need to route bass signals to the woofer and midrange and high frequencies to the satellite speakers These passive crossover components will also ensure that the impedance of the speaker system doesn t drop below 2 ohms FREQUENCY INDUCTOR CAPACITOR Crossover GdB oct
10. uts 8 Crossover Selector Determines whether the crossover is a High Pass filter 120Hz HP a Low Pass filter 120Hz LP or unfiltered FLAT Low pass filter frequency selector DA1002 9 Bass E Q Enables bass boost 6dB 50Hz un Le Lor ur gs oy sun nt u et aie ze gt Toon vun tre un In E L el SS gt 8 DA3504 O lake y DA1002 Mounting the Amplifier The JBL Decade Series amplifiers can be mounted in virtually any location inside the vehicle However make sure to keep the amplifier away from heater vents or ducts 1 At the chosen site use the amplifier as a mounting template and mark the locations of the four mounting holes 2 Drill a small pilot hole at each marked location 3 Mount the amplifier and securely tighten the mounting screws Wiring the Power Connections Refer to diagrams on page 3 for connec tor locations 1 For power remote and speaker wires strip 14 off one end of each jacket to reveal bare wire for insertion into the barrier strip connectors Locate the 3 connection barrier strip labeled Batt Rem and Gnd Connect a black wire at least 12G for DA4002 10G for DA6502 DA1002 and DA3504 to the Gnd
Download Pdf Manuals
Related Search