Harman Infinity BU-80 Скачать руководство пользователя страница 30 | Manualshive

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30

HTS-10 REV C Power Amp Module PCB

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Содержание Infinity BU-80

Страница 1: ...Infinity Systems Inc 250 Crossways Park Drive Woodbury N Y 11797 1 800 553 3332 A Harman International Company Rev D 11 2000 BU 80 HTS 10 Powered Subwoofer SERVICE MANUAL...

Страница 2: ...ly factory replacement Main PCB Use only factory replacement R29 470 25W METAL OXIDE non flammable Leakage Resistance Check Before returning the unit to the customer perform a leakage or resistance te...

Страница 3: ...W Driver 8 Woofer Crossover Frequency 50Hz 150Hz continuously variable Dimensions H x W x D 11 29 2cm x 11 29 2cm x 11 29 2cm Add 1 4 5cm for feet Weight 26 lbs 11 8 kg Refinements may be made on occa...

Страница 4: ...led w Line Spkr Input Select Switch Line Outputs L C R L R functional Buffered Output Pre Volume control Line Out Adj X over no Hz n a n a n a Spkr Hi Level In L C R mono L R functional Enabled w Line...

Страница 5: ...ECTRIC SHOCK DO NOT OPEN 120VAC 60Hz 100W R R L L Power SPKR IN SPKR OUT Low Level In BU 80 HTS 10 or Digital Technology 1 2 3 5 4 CONTROLS AND THEIR FUNCTION 1 High Level input and Output terminals 2...

Страница 6: ...d of each stereo pair of leads to the preamplifier s left and right outputs and connect the other end to the corresponding left and right LOW LEVEL INPUTS 1 on the subwoofer If you are using a tube pr...

Страница 7: ...fer pair See Figure 3 Figure 3 Use this method when using single subwoofer or two subwoofers The subwoofer may be connected to your system using the HIGH LEVEL INPUTS 4 on the plate located on the rea...

Страница 8: ...ting one subwoofer to satellites Depending on whether you are using one or two subwoofers connecting your satellites can be accomplished in one of two ways If you are using a single subwoofer with a p...

Страница 9: ...er has a variable frequency control that can be used to block unwanted frequencies between 50 150Hz from being reproduced by the subwoofer When you set this control depends on the low frequency capabi...

Страница 10: ...the Volume control UP by about the same amount This will increase low bass while leaving the mid bass sounding the same as it did before the adjustment To reduce low bass without changing midbass turn...

Страница 11: ...NOTE When testing the BU80 HTS 10 amplifier a load must always be connected to the output terminals whether the woofer or a 4 to 8 ohm resistive load...

Страница 12: ...R ATTACHES THE PROBE TIP TO SPK and REFERENCE LEAD TO SPK Reading 100kHz 10 1Vpp B Pre Amp Section 1 Low Level Input Sensitivity Set up Turn level and Low Pass Pot Fully CW Generator set at 50mV 43Hz...

Страница 13: ...C2 Use scope to check switching frequency from the load 100KHz 10 1Vpp Check input of module wrt GND 0V D C Power up with no signal input LED RED OK OK OK OK OK OK OK OK Check C12 and Pre AMP Use scop...

Страница 14: ...outer perimeter of the amplifier faceplate 3 Remove amplifier assembly you should be able to remove the amplifier far enough out of the cabinet to service it without removing the woofer wires 4 Locat...

Страница 15: ...output and capacitor C6 10uf 50v NPE is damaged in the amplifier replace with the following part Infinity part 30712 10uf 100v NPE BU80 HTS 10 BU120 HTS 20 General reference for location only not all...

Страница 16: ...CAUTION All parts must be replaced at the same time do NOT attempt to just replace original fuse F1 0 5A with the new 1 0A rated fuse alone without replacing original power transformer 4300 This bulle...

Страница 17: ...knobs nuts and Philips screws from the outer control section of the amplifier faceplate 5 Locate the sealed cover on the inside of the amplifier faceplate see illustration the bead of adherent must be...

Страница 18: ...1 8 Amplifier Subwoofer BU 80 HTS 10 BU 80 HTS 10 AMPLIFIER ASSEMBLY EXPLODED VIEW E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1 1 BU 80 HTS 10 Amplifier Assembly Exploded View...

Страница 19: ...1 0A T type slo blo fuse SAFETY PART 1 HTS 10 rev C ONLY 12 80105 Power cord 2 conductor SAFETY PART 1 BU 80 and HTS 10 rev A B ONLY 12 083 041802 017 Power cord 2 conductor SAFETY PART 1 HTS 10 rev C...

Страница 20: ...00270 4percarton OWNER S MANUAL BU 80 200230 HTS 10 HTS10GUIDE PLASTIC BAG CARTON BU 80 200220 HTS 10 HTS10CTN BU 80 HTS 10 PACKING BU 80 HTS 10 CABINET ASSEMBLY AMPLIFIER ASSEMBLY FEET PAD 4 STICKERS...

Страница 21: ...80 HTS 10 BU 80 HTS 10 rev A B PCB E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1 1 PLAIN 5 Component Side Trace PLAIN 5 Solder Side Trace Layer as viewed through the board The PLAIN 5 PCB was used in...

Страница 22: ...2 Amplifier Subwoofer BU 80 HTS 10 BU 80 HTS 10 rev A B PCB PLAIN 5 1 Component Side Trace PLAIN 5 1 Solder Side Trace Layer as viewed through the board E E D D C C B B A A 7 7 6 6 5 5 4 4 3 3 2 2 1...

Страница 23: ...7k 1 4W 5 carbon film 1 R21 40409 10k 1 4W 5 carbon film 1 R22 40449 3 3k 1 2W 5 carbon film 1 R26 40701 1000k 1 4W 5 carbon film 1 R27 40411 24 9k 1 4W 1 metal film 1 R28 40409 10k 1 4W 5 carbon film...

Страница 24: ...l AC powered test instruments meters oscilloscopes etc must have a floating ground i e be connected to an isolation transformer 3 Align and position the Amp Module before soldering 4 Attach the amp Mo...

Страница 25: ...2 5 Amplifier Subwoofer BU 80 HTS 10 BU 80 HTS 10 rev A B SCHEMATIC 1 OF 2 5 5 4 4 3 3 2 2 1 1 A A B B C C D D E E F F G G BU 80 HTS 10 rev A B Schematic 1 of 2...

Страница 26: ...2 6 Amplifier Subwoofer BU 80 HTS 10 5 5 4 4 3 3 2 2 1 1 A A B B C C D D E E F F G G See page 15 Service Bulletin INF2000 01 BU 80 HTS 10 rev A B SCHEMATIC 2 OF 2 BU 80 HTS 10 rev A B Schematic 2 of 2...

Страница 27: ...rbon resistor 4R7 1 4W J R002 1 020 470497 120 Carbon resistor 4K7 1 4W J R117 1 020 470597 120 Carbon resistor 47K 1 4W J R123 1 020 470697 120 Carbon resistor 470K 1 4W J R129 1 020 680597 120 Carbo...

Страница 28: ...resistor 220R 1 4W J R6 1 020 330497 120 Carbon resistor 3K3 1 4W J R8 1 020 680497 120 Carbon resistor 6K8 1 4W J R1 1 032 100394 302 MND mylar capacitor 0u1 100V K P 7 5 C9 1 034 100525 303 elec cap...

Страница 29: ...x165mm 1 062 050800 000 PUSH TERMINAL 8P JK101 1 070 560891 108 SCREW BTS 3 2 6x8m m 072 010058 000 RCA JACK 2P P N 052000W1G Red Wht JK102 1 072 040032 000 Terminal P 3 96 3P CN001 1 072 040039 000 T...

Страница 30: ...30 HTS 10 REV C Power Amp Module PCB...

Страница 31: ...31 HTS 10 REV C CIRCUIT BOARD cont...

Страница 32: ...32 HTS 10 REV C CIRCUIT BOARD cont...

Страница 33: ...02 D101 1N4148 3 2 1 100KB VR102 2n2 C109 13 12 14 TL074 IC101 D 15V 1u C114 4 IN 3 GND 2 15V 5 S D 6 15V 7 V 8 V 9 V 10 O P 11 V 12 V 14 6V 13 V 1 FB 15 LIMIT PWR MODULE CON101 BU120MODEL 15P A 15V 1...

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