Kenwood KAC-5202 Stereo Amplifier User Manual
Contents
1. chassis that acts as an electrical ground passing electricity to the battery s negative terminal Do not turn the power on if the ground wire is not connected e Be sure to install a protective fuse in the power cord near the battery The protective fuse should be the same capacity as the unit s fuse capacity or somewhat larger e For the power cord and ground use a vehicle type fireproof power wring cord with a current capacity greater than the unit s fuse capacity Use a power wiring cord with a diameter of 3 mm AWG 12 or greater e When more than one power amplifier are going to be used use a power supply wiring wire and protective fuse of greater current handling capacity than the total maximum current drawn by each amplifier E Speaker Selection e The rated input power of the speakers that are going to be connected should be greater than the maximum output power in Watts of the amplifier Use of speakers having input power ratings that are less than the output power of the amplifier will cause smoke to be emitted as well as damage e The impedance of the speakers that are going to be connected should be 2Q or greater for stereo connections or 4Q or greater for bridged connections When more than one set of speakers are going to be used calculate the combined impedance of the speakers and then connect suitable speakers to the amplifier Combined impedance KENWOOD KAC 5202 STEREO BRIDGEA2. connection Lead terminal Power control wire No line output center unit etc i q Right speaker Left speaker E Speaker bridge connection e f you wish to bridge connect a speaker the speaker impedance must be no less than 4 ohms Connecting a speaker with an impedance lower than 4 ohms may damage the unit e Be sure to connect capacitors to speakers to which high frequencies will be passed Failure to do so will result in a drop of the combined impedance with the subwoofer e Ensure that the withstand voltage and current ratings of the capacitors C and coils L are sufficient Battery wire Protective Fuse Left speaker Right speaker Power wire connection Lead terminal Speaker Bridged Ca BD Power control wire Ground wire i Oe Battery aoe Lead terminal Terminal cover
3. fuse first disconnect the wiring harness NOTE f you experience problems during installation consult your Kenwood dealer f the unit does not seem to be working right consult your Kenwood dealer E Cleaning the unit f the front panel gets dirty turn off the power and wipe the panel with a dry silicon cloth or soft cloth ACAUTION Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol They can scratch the surface of the panel and or cause the indicator letters to peel off ax POWen OUtpUt s 2 25 2ieisi fest dasha sbacaedtctsisstadgateaatisassaetetaaeas Normal 20 Hz 20 kHz 0 08 THD nasses Bridge 1KHZ 0 8 THD sicsscccscssstssascsensscssaseetneessvstxorae sense Normal 1 KAZ 0 82 THAD errea nerian anra RRASA MPU IIMPCUANCE s sesissasssr cone setatanvass das saavieds Cdaiueesdscasaensacaansioy Low Pass Filter 12 AB OCtH csse eeina Operating Voltage 11 16 OV allowable 0 0 0 0 bias dh A E E S 80 Hz 50 x 52 x 160 mm 9 13 16 x 2 1 16 x 6 5 16 inch E A eins licker eed 2 1 kg 4 6 Ibs E Wiring e f a buzzing noise is heard from the speakers when the engine is running connect a line noise filter optional to each of the battery wire e Do not allow the wire to directly contact the edge of the iron plate by using Grommets e Connect the ground wire to a metal part of the car
4. BLE POWER AMPLIFIER INSTRUCTION MANUAL IHS Se tara IA Bs Aas KENWOOD CORPORATION B64 3031 00 00 MV Installation procedure 1 Remove the ignition key and disconnect the negative terminal of the battery to prevent short circuits 2 Set the unit according to the intended usage 3 Connect the input and output cables of the units 4 Connect the speaker wires 5 Connect the power wire power control wire and grounding wire following this order 6 Install the unit in the car 7 Connect the negative terminal of the battery AWARNING To prevent fire caused by a short in the wiring connect a fusible link or breaker nearby the battery s positive terminal ACAUTION e Be sure to turn the power off before changing the setting of any switch e f the fuse blows check wires for shorts then replace the fuse with one of the same rating e Check that no unconnected cables or connectors are touching the car body Do not remove caps from unconnected cables or connectors to prevent short circuits e Connect the speaker wires to appropriate speaker connectors separately Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail e After installation check that the brake lamps winkers and wipers work properly E Speaker level input terminals e The genuine accessory car stereo shall have a maximum power output of no more than 40 W e Do n
5. Troubleshooting Guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring Before calling service first check the following table for possible problems PROBLEM POSSIBLE CAUSE SOLUTION No sound e Input or output cables are e Connect the input or output No sound from one side disconnected e Protection circuit may be activated Blown fuse e The speaker cord is shorted The output level is too small or too large position The sound quality is bad The sound is distorted polarity e A speaker wire is pinched by a screw in the car body e The switches may be set improperly Specifications e Volume is too high The input sensitivity adjusting control is not set to the correct e The speakers wire are connected with wrong cables e Check connections by referring to lt Protection function gt e Replace the fuse and use lower volume e After check the speaker cord and fixing the cause of the short replace the fuse Adjust the control correctly referring to lt Controls gt e Connect them properly checking the of the terminals and wires well e Connect the speaker wire again so that it is not pinched by anything e Set switches properly by referring to lt System examples gt Specifications subject to change without notice Audio Section Rated Power Output 4 Q Rated Power Output 2 Q F
6. ar stereo Use the diagram on the right as a guide NOTE For the pre output level or the maximum power output refer to the lt Specifications gt in the instruction manual of the center unit LINE IN terminal Speaker level input terminals le 250 mm k 237 mm f 04 6 i nm 5 d 8 EVE ESE A ale o o Peg eee Protection function This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur E The protection function is activated in the following situations e When a speaker wire may be short circuited e When a speaker output contacts ground e When the unit malfunctions and a DC signal is sent to the speaker output e When the internal temperature is high and unit won t operate e When a ground wire of the center unit cassette receiver CD receiver etc or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery s negative terminal Commercially available parts NOTE CENTER UNIT CD receiver etc RCA cable connection For safe installation read lt Installation procedure gt before starting work E Speaker level input connection Genuine accessory car stereo E Speaker stereo
7. eo Connections When you wish to use the unit as a stereo amplifier stereo connections are used Bridged Connections When you wish to use the unit as a high output monaural amplifier bridged connections are used Make connections to the LEFT channel and the RIGHT channel SPEAKER OUTPUT terminals System examples E 2 channel system CENTER UNIT ce OPERATION STEREO MONO Lch FILTER OFF LPF E Subwoofer system CENTER UNIT Bridged FILTER OFF LPF OPERATION STEREO MONO Lch Bridged CENTER UNIT Bridged FILTER OFF LPF mo OPERATION STEREO MONO Lch cm E Tri mode Frequency FILTER OPERATION 159000 159000 MONO Lch OFF LPF _STEREO C fox R uF 120Hz x 40 331 25 UF 159xR 159 x 4Q L ic mH 120Hz gt 5 3 mH Principle of Tri mode ACAUTION Method of frequency band division using a coil and capacitor in case of 6dB oct slope Coil L Passes low frequencies and blocks high frequencies Low pass Capacitor C Passes high frequencies and blocks low frequencies High pass Example When it is required to set a crossover frequency of 120 Hz using speakers with an impedance of 4 ohms fc Cut of Frequency Hz R Speaker Impedance Q Left speaker Right speaker d Left speaker IQ Right speaker Subwoofer Lef
8. ot connect the speaker output leads from a power amplifier Optional to the speaker evel input terminals of this unit for this may cause malfunction or damage e Do not connect cables and leads to both RCA cable input jacks and the speaker level input erminals simultaneously for this may cause malfunction or damage e Connect the power control lead to a power supply which can be turned ON OFF by the ignition key switch ACC line With this connection shock noise may be generated when the power of the genuine accessory car stereo is switched ON OFF E Power terminal Connect to their respective terminals the power supply wire and ground wire all of which pass through the associated terminal cover Once the connections are complete place the cover on the terminal section E Accessories External Number of Part name View Items Terminal cover Power terminal Self tapping screws o4 x 16 mm Installation Since the power amplifier has no parts which require operation it can be installed at a position away from the driver s seat without any hindrances As generally accepted positions for its installation places such as inside the trunk etc can be considered ACAUTION e Do not install the unit under the carpet Otherwise heat build up occurs and the unit may be damaged e Install this unit in a location which allows heat to easily dissipate Once installed do n
9. ot place any object on top of the unit e The surface temperature of the amplifier will become hot during use Install the amplifier in a place where people resins and other substances hat are sensitive to heat will not come into contact with it e When making a hole under a seat inside the trunk or somewhere else in the vehicle check that there is nothing hazardous on the opposite side such as a gasoline tank brake pipe or wiring harness and be careful not to cause scratches or other damage Do not install near the dashboard rear tray or air bag safety parts The installation to the vehicle should securely fasten he unit to a place in which it will not obstruct driving If the unit comes off due to a shock and hits a person or safety part it may cause injury or an accident e After installing the unit check to make sure that electrical equipment such as the brake lamps turn signal lamps and windshield wipers operate normally Self tapping screw 4 x 16 mm Installation board etc thickness 15 mm or more Controls 0 5 03 Operations of the following control and switches are required in accordance with the center unit and speakers connected with this unit Fuse 15Ax1 Battery terminal Ground terminal Power control REMOTE terminal SPEAKER OUTPUT terminals Ster
10. requency Response 0 1 dB Signal to Noise Ratio 004 Sensitivity MAX rated output MIN rated output General Current Consumption Dimensions W x H x D WEG e ied ventadeves en AET Safety precautions AWARNING To prevent injury or fire take the following precautions e When extending the ignition battery or ground wires make sure to use automotive grade wires or other wires with a 3mm AWG12 or more to prevent wire deterioration and damage to the wire coating e To prevent a short circuit never put or leave any metallic objects such as coins or metal tools inside the unit e f the unit starts to emit smoke or strange smells turn off the power immediately and consult your Kenwood dealer e Do not touch the unit during use because the surface of the unit becomes hot and may cause burns if touched ACAUTION To prevent damage to the machine take the following precautions e Be sure the unit is connected to a 12V DC power supply with a negative ground connection e Do not open the top or bottom covers of the unit e Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity Also avoid places with too much dust or the possibility of water splashing e When replacing a fuse only use a new one with the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction e To prevent a short circuit when replacing a
11. t speaker Right speaker 00 RCA cable ground lead terminal When using an RCA cable with a ground lead attached connect the ground lead to this terminal ACAUTION Do not use this terminal for power source grounding This unit will be damaged if the power source grounding wire is connected to this erminal FILTER switch These switches allow filtering of the speaker output signals LPF Low Pass Filter position Only frequencies of 80 Hz or lower are output Frequencies above 80 Hz are cut The Lch and Rech will be mixed before output even if the operation switch is set to STEREO OFF position The original sound without filtering is output Connection 10f i MAX 20N MIN ve INPUT SENSITIVITY V 25W or greater ra OPERATION switch This switch allows selection of the amplification method of input signals STEREO position The amplifier can be used as a stereo amplifier MONO Lch position Amplifies the signal input from the left side only Set to this position and make bridged connections to use as a high power monaural amplifier The input right signal is not output INPUT SENSITIVITY control Set this control according to the pre output level of the center unit connected with this unit or to the maximum power output of the genuine accessory c
Download Pdf Manuals
Related Search