JVC KS-AX4504 AV receiver
Contents
1. x Not included with this unit PREM B O eee z To metallic body or chassis gt o 8 KS AX4504 een KS AX4302 30 A fuse To an accessory terminal Remote turn on line lt JVC car receiver etc Car battery Ignition switch To prevent short circuits while making connections keep the battery s negative terminal disconnected e When using a power cord purchased separately be sure to place the 30 A fuse near the battery as shown e Connect the lead wire power cord through which power is supplied directly to the battery s terminal only after all the other connections have been made The proper lead wire connected to each POWER terminal is as follows e Band GND AWG 8 to AWG 4 The cross section is about 8 mm to21 mm e REM AWG 18 to AWG 8 The cross section is about 0 8 mm to8 mm e If you have any questions regarding the thickness of the power cord etc consult your nearest JVC IN CAR ENTERTAINMENT car audio dealer When you use JVC car receiver with a remote lead connect to the REM terminal on this unit O When you connect a unit without a remote lead connect to the accessory circuit of the car which is activated by the ignition switch In this case noise may occur when the car receiver is turned on or off To avoid this noise do not turn on or off the car receiver itself You can turn on or off the2. ne ag b Speaker input connector IK Connector lead Speaker lead White stripe Left White Left Gray stripe Right Right POWER PROTECTOR m SPEAKER OUTPUT L O R O OS D Subwoofer System JVC power amplifier T Left Speaker Right Speaker KS AX4302 etc Not provided for this unit Bridge Mode Be sure to connect the line output from the receiver to the left L jack on this unit 3 Be sure to connect the both leads to the target speaker lead KS AX4302 For U S A 2 speaker system plus subwoofer 1 amplifier The minimum impedance should be 4 Q for each of left and right speakers and the subwoofer JVC car receiver etc Pia Helos seco Ca G G2 BRIDGE MODE 000 0 POWER PROTECTOR 2 PRE OUT INPUT O q5 5 D Speaker input connector R Connector lead Speaker lead White stripe White Gray stripe Gray N Bx Left Soeaker Right Speaker Subwoofer Not provided for this unit Bridge wiring 3 Use a High pass crossover not provided Use a Low pass crossover not provided CONTROLS KS AX4504 E Power PROTECTOR c eaten BASS BOOST LEVEL ai G a MIN MAX MIN MAX CROSSOVER A OFF r HPF ies J C REAR BASS
3. BOOST LEVEL MIN MAX MIN MAX m CROSSOVER 28 he 50Hz 400Hz KS AX4302 E Power PROTECTOR BASS BOOST LEVEI a f Gm MIN MAX MIN MAX LEVEL r CROSSOVER Wa 50Hz 400Hz Power Indicator The blue lamp illuminates while the unit is turned on E POWER PROTECTOR lamp The lamp lights in green while the unit is turned on When the lamp does not light or lights in red with the unit on it indicates there may be any trouble see TROUBLESHOOTING BASS BOOST controller Turning this boosts the 45 Hz frequency within the range of 0 dB to 12 dB Adjust the level while listening to the sound This control is preset to MIN when the unit is shipped O Input LEVEL controller The input level can be adjusted with this control when this unit is connected to other source equipment Adjust the level while listening to the sound This control is preset to MIN when the unit is shipped B CROSSOVER filter switch OFF Normally set to this position The switch is preset to this position when the unit is shipped LPF Set to this position when you want to turn on the LPF Low Pass Filter switch the Low Pass Filter transmits frequencies lower than the cutoff frequency HPF Set to this position when you want to turn on the HPF High Pass Filter switch the High Pass Filter transmits frequencies higher than the cutoff frequency CROSSOVER frequency controller Turning this adjusts the cutoff frequency within the range
4. disposing of this product correctly you will help to conserve natural resources and will help prevent potential negative effects on the environment and human health This symbol is only valid in the European Union Dear Customer This apparatus is in conformance with the valid European directives and standards regarding electromagnetic compatibility and electrical safety European representative of Victor Company of Japan Limited is JVC Technology Centre Europe GmbH Postfach 10 05 52 61145 Friedberg Germany
5. KS AX4504 KS AX4302 POWER AMPLIFIER INSTRUCTIONS AMPLIFICATEUR DE PUISSANCE MANUEL D INSTRUCTIONS LVT1696 001A J E U ENGLISH power St RS Ny aliant Fa K V A lt 9 CEA 20 Thank you for purchasing a JVC product Please read all instructions carefully before operation to ensure your complete understanding and to obtain the best possible performance from the unit For safety e Do not raise the volume level too much as this will block outside sounds making driving dangerous e Stop the car before performing any complicated operations CAUTIONS AND NOTES This unit is designed to operate on 12 V DC NEGATIVE ground electrical systems e This unit uses BTL Balanced Transformerless amplifier circuitry i e floating ground system so please comply with the following Do not connect the terminals of the speakers to each other Do not connect the terminals of the speakers to the metal body or chassis e Cover the unused terminals with insulating tape to prevent them from short circuiting e When an extension lead is used it should be as thick and short as possible connect it firmly with insulating tape e Be sure to leave an appropriate space between the antenna aerial and the wires of this unit e When replacing the fuse only use a 25 A fuse for KS AX4504 or a 20 A fuse for KS AX4302 e Do not let pebbles sand or metallic objects get inside the unit e To keep the heat dis
6. ber of the speakers used in your car Select the appropriate connection referring to the following diagrams Before connecting Securely connect all the parts If the connections are loose due to contact resistance etc heat will break out and may cause an accident Secure and cover the cords with insulating tape and run them under the car mats KS AX4504 4 speaker system JVC car receiver etc SPEAKER OUTPUT EN REAR L O R O L O R O PRE INPUT DO DO Ase A i 4 j 010 0 Td Front Soeaker Rear Speaker left right left right b Speaker input connector Connector lead Speaker lead Connector lead Speaker lead White stripe Front left Green stripe Rear left White Front left Green Rear left Gray stripe Front right Purple stripe Rear right Gray Front right Purple Rear right D U BRIDGE M 9E O1 BRIDGE MODE p p a pa PRE m INPUT DBO OUT FRONT REAR CLOCH R F O HH q Front Speaker Subwoofer left right Ib Speaker input connector Connector lead Speaker lead Connector lead Speaker lead White stripe Front left LE Green eee White Front left Purple stripe Gray stripe Front right Gre
7. car receiver along with the on off operation of the ignition switch If the POWER PROTECTOR lamp lights in red it indicates incorrect speaker wiring or connections see TROUBLESHOOTING on page 3 Make sure to correct speaker wiring and other connections SPEAKER SYSTEMS This amplifier provides two types of speaker connections Normal Mode and Bridge Mode You can choose either type of connections depending on the speakers configuration equipped on your Car Make sure to comply with the following notes e Be sure not to connect the terminals of the speakers to a common point e If the ground wire is common to both left right and front rear speaker wirings this unit cannot be used Always use the independent lead wires for the speakers to be used In this case redo the wirings e Use the speakers with an impedance of 2 Q to 8 Q 4 Q to 8 Q when used in Bridge Mode e Use the speakers which have sufficient capacity to the unit The proper lead wire connected to each SPEAKER OUTPUT terminal is as follows e KS AX4504 AWG 18 to AWG 12 The cross section is about 0 8 mm to 3 3 mm e KS AX4302 AWG 18 to AWG 8 The cross section is about 0 8 mm to 8 mm For KS AX4504 When you connect 4 speakers to the unit down mixed signals front and rear are emitted through the PRE OUT jacks For KS AX4302 Incoming signals are emitted through the PRE OUT jacks SPEAKER CONNECTIONS Connection varies depending on the num
8. en las Gray Front right Purple Rear left SPEAKER OUTPUT a REAR L O R O L O R RO CR O BRIDGE MODEJO POWER PROTECTOR OUT FRONT REAR HIGH INPUT z L OOOO GO CES 6 0 0 2 R b Speaker input connector Connector lead Speaker lead Connector lead White al Green a Gray stripe Z Purple stripe Green as Purple Front Speaker left right LRLR 4 speaker system plus subwoofer PRE OUT Down mixed signals are emitted through PRE OUT jacks JVC car receiver etc Line Out NS Line Out on ea R L R emi Front Speaker Rear soon left right left right Speaker input Connector lead speaker lead connector White stripe Front left White Front left Gray stripe Front right Gray Front right Green stripe Rear left Green Rear left Purple stripe Rear right Purple Rear right Subwoofer System JVC power amplifier KS AX4302 etc DIO Jn imio so lw S 2 m When your receiver is equipped with Line Out
9. ent or in insulated areas such as under a car mat that will prevent the unit from dissipating heat e When mounting the unit under the front seat make sure that adjusting the seat position will not catch any wire of the unit When mounting this unit be sure to use the provided screws If any other screws are used there is a risk of loosening the unit or damaging parts inside it e Before drilling holes in the trunk to install the unit make sure that there is a sufficient space under the trunk so that you do not drill holes in the fuel tank etc e To detach and rotate the Logo Plate 180 degrees use the provided hex wrench 3 mm 0107 MNMMDWTKC EN FR 2007 Victor Company of Japan Limited TERMINAL CONNECTIONS When making the terminal connections 1 Peel the insulating vinyl cover of a cord 7 mm 5 16 in to 10 mm 7 16 in long and expose the inside conductor 2 Loosen the hex screw in a terminal with a provided hex wrench and insert the conductor into the terminal Then fix the hex screw again to secure the conductor Note e The exposed conductor should be 7 mm 9 16 in to 10 mm 16 in long If shorter it may cause a poor conductivity If longer it may cause a short circuit e Use a proper hex wrench for each terminal 4 mm B terminal and GND terminal 3 mm Speaker terminals of KS AX4302 and REM terminal 2 mm Speaker terminals of KS AX4504 N POWER SUPPLY
10. of 50 Hz to 400 Hz Adjust the level while listening to the sound This control is preset to 50 Hz when the unit is shipped TROUBLESHOOTING For more details consult your JVC IN CAR ENTERTAINMENT car audio dealer The POWER PROTECTOR lamp does not light e Change the fuses if the current one is blown e Connect the ground lead securely to a metal part of the car e Turn on the equipment connected to this unit e Use a relay if your system employs too many amplifiers e Confirm the battery voltage 11 V to 16 V The POWER PROTECTOR lamp lights in red and or the unit heats up abnormally e Use the speakers of suitable impedance e Correct the speaker wirings if they are short circuited e Leave the unit turned off for a while to cool it down No sound is heard e Confirm the connections for power supply see POWER SUPPLY on page 1 e Connect RCA pin cords to the INPUT jacks or the speaker input connector to the HIGH INPUT terminal Alternator noise is heard e Keep the power cords away from the RCA pin cords e Keep the RCA pin cords away from other electrical cables in the car e Connect the ground lead securely to a metal part of the car e Make sure the negative speaker leads do not touch the car chassis e Replace the plugs or use plugs with load resistors e Connect a bypass capacitor across the accessory switches horn fan etc Noise is made when you connect the unit to an AM MW LW tuner e M
11. ove the speaker and power cords away from the antenna aerial lead SPECIFICATIONS KS AX4504 65 W RMS x 4 channels at 4 Q and lt 1 THD N KS AX4302 100 W RMS x 2 channels at 4 Q and lt 1 THD N 80 dBA reference 1 W into 4 Q Power Output Signal to Noise Ratio a power Stop es iant oD K CEA anne 600 W 4 Q 2 Q to 8 Q allowance 4 Q 4 Q to 8 Q allowance Bridge Mode 5 Hz to 50 000 Hz 0 3 dB Subsonic filter limits extremely low frequency signals less than 20 Hz 2 V 45 KQ 0 3 V to 6 V variable Less than 0 04 at 1 kHz DC 14 4 V 11 V to 16 V allowance Negative ground 300 mm x 63 mm x 265 mm 11 18 16 in x 2 1 2 in x 10 7 16 in 3 8 kg 8 4 Ibs Speaker input connector KS AX4504 8P x 1 KS AX4302 4P x 1 Mounting Screw 4 x 20 mm 13 16 in x 4 Hex wrench 4mm x1 3mm x 1 2mm x 1 KS AX4504 only Maximum Power Output Load Impedance Frequency Response Input Sensitivity Impedance Distortion Power Requirement Grounding system Dimensions WxHxD Mass approx Accessories Design and specifications are subject to change without notice Information for Users on Disposal of Old Equipment This symbol indicates that the product with this symbol should not be disposed as general household waste at its end of life If you wish to dispose of this product please do so in accordance with applicable national legislation or other rules in your country and municipality By
12. put connect the Line Output through the receiver to the INPUT jacks on this unit b When your receiver is NOT equipped with Line Output connect the provided speaker input connector through the receiver to the HIGH INPUT terminal on this unit KS AX4302 2 speaker system JVC car receiver etc HIGH INPUT b Speaker input connector BS Connector lead Speaker lead At White stripe White Gray stripe POWER PROTECTOR HIGH INF SPEAKER OUTPUT L fet MIN M N MAX Ri C O LPF o 50Hz 400Hz Left Speaker Right Speaker Subwoofer system Bridge Mode JVC car receiver etc HIGH INPUT b Speaker input connector o RAe RNE Connector lead Speaker lead Line Out or White stripe Subwoofer Out Gray stripe m Left POWER PROTECTOR m SPEAKER OUTPUT 4 L O R O om s BRIDGE MODE Subwoofer lb Speaker input connector Connector lead Speaker lead White ee Gray stripe BRIDGE MODE i Left Speaker Right Speaker HIGH INPUT rao OUTPUT b Speaker input connector Connector lead Speaker lead White r Gray stripe
13. sipation mechanism running effectively wipe the accumulated dust off periodically e Listening to the tape radio CD or Digital Audio Player etc with the volume set at a high level for a long period of time will exhaust the battery while the engine is turned off or while the engine is idling e This unit becomes very hot Be careful not to touch the unit not only when using but for a while after using DO NOT disassemble the units since there are no user serviceable parts inside For Customer Use Enter below the Model No and Serial No which are located on the top or bottom of the cabinet Retain this information for future reference Model No Serial No INSTALLATION The following illustration shows a typical installation However you should make adjustments corresponding to your specific car If you have any questions or require information regarding installation kits consult your JVC IN CAR ENTERTAINMENT car audio dealer or a company supplying the kits Logo Plate detachable Mounting Screw provided Onto the trunk room floor Under the front seat Drilled hole A Mount this unit on a firm surface such as in the trunk room or under the front seat e Since heat is generated in the unit do not mount it near inflammable objects In addition mount it in an area that will not prevent the unit from dissipating the heat e Do not mount the unit in the places subject to heat near a radiator in a glove compartm
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