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BU-80/HTS-10 (re  A,B ELECTRICAL PARTS LIST

Capacitors

C1, 2

30701

3300uF 50V ±20% Electrolytic Radial

2

SAFETY PART

C3

30504

100nF 50V 10% Mono-ceramic

axial

1

C4, 5

30502

100nF 50V 20% Mono-cer rad

2

0.2"/ax 0.3"

C6

30705

10uF 50V 20% Electrolytic Radial NP

1

SAFETY PART

See page 15 (

ServiceBulletinINF2000-01

)

C7

30503

2.2nF 50V 10% Mono-ceramic

axial

1

C8, 10

30504

100nF 50V 10 Mono-ceramic

axial

2

C9

30502

100nF 50V 20% Mono-ceramic

axial

1

C11

30702

100uF 35V 20% Electrolytic Radial

1

C12

30703

4.7uF 35V 20% Electrolytic Radial

1

C13

30506

1nF 50V 10% Mono-ceramic

axial

1

C14

30504

100nF 50V 10% Mono-ceramic

axial

1

C15, 16

30704

220uF 50V 20% Electrolytic Radial Bipolar 2

C17

30502

100nF 50V 20% Mono-ceramic

axial

1

C18, 19, 20

30504

100nF 50V 10% Mono-ceramic

axial

3

C21

30508

10nF 50V 10% Mono-ceramic

axial

1

C24

30502

100nF 50V 20% Mono-ceramic

axial

1

C25

30503

2.2nF 50V 10% Mono-ceramic

axial

1

C28

30507

10nF 50V 20% Mono-ceramic

axial

1

C7A, 7B

30505

100nF 100V 20% Metal Polyester Rad

2

Resistors

R1

40403

2200k 1/4W 5% carbon film

1

R2

40447

4.32k 1/4W 1% metal film

1

R3

40412

33.2k 1/4W 1% metal film

1

R5, 6

40420

1k 1/4W 5% carbon film

2

R7

40409

10k 1/4W 5% carbon film

1

R8

40406

100k 1/4W 5% carbon film

1

R9

40421

3.9k 5W 5%, 3W can be used

1

R10

40404

1k 2W 5% carbon film

1

R11, 12

40107

150 1/2W 5% carbon film

2

R13

40404

1k 2W 5% carbon film

1

R14

40405

4.7k 1/4W 5% carbon film

1

R15

40406

100k 1/4W 5% carbon film

1

R16, 17

40101

820 2W 5% carbon film

2

R18

40423

270k 1/4W 5% carbon film

1

R19

40422

1k 1/2W 5% carbon film

1

R20

40405

4.7k 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

1

R29

40103

470 1/4W 1% METAL SAFETY PART 1

R30

40413

274k 1/4W 1% metal film

1

R31

40414

49.9k 1/4W 1% metal film

1

R32

40415

470k 1/4W 5% carbon film

1

R35

40416

221k 1/4W 1% metal film

1

R36

40406

100k 1/4W 5% carbon film

1

R37

40417

47k 1/4W 5% carbon film

1

R38

40406

100k 1/4W 5% carbon film

1

R39

40448

28k 1/4W 5% carbon film

1

R40

40431

68k 1/4W 5% carbon film

1

R42, 43

40406

100k 1/4W 5% carbon film

2

R44, 45

40409

10k 1/4W 5% carbon film

2

R46

40104

4.7 1/4W 5% carbon film

1

R48

40428

8.2k 1/4W 1% metal film

1

R49

40431

68k 1/4W 5% carbon film

1

R4A, 4B

40105

0.1 1/2W 5% 2pcs.

2

R53, 54, 55, 56

40106

100 2W 5% carbon film

4

R57

40406

100k 1/4W 5% carbon film

1

FRQ pot

40401

100k 1/4W 10% Single Log Pot

1

VOL Level pot

40402

5k 1/4W 10% Single Linear Pot

1

Diodes

D1

50101

ZENER 1N5256B 30V 5% 0.5W

1

D3

50102

ZENER 1N4749A 24V 5% 1W

1

D6

50103

ZENER 1N5234B 6.2V 5% 0.5W

1

D7, 8

50104

1N4148 100V 5% 0.1A

2

D9, 10

50105

ZENER 1N4744A 15V 5% 1W

1

DBR

50100

Bridge Rect 200V 4A SAFETY PART

1

LED 1 or 2

50106

Dual Cir LED (2 legged)

2

IntegratedCircuit

U1

60100

LM324 Quad OpAmp +/-15%

1

S53AMI

60301

Power Amp module SAFETY PART

1

Transistors

Q1

60151

MPS A13 30V NPN(Darl) Transistor

1

Q2

60152

2N3906 40V PNP Transistor

1

Q3

60153

2N3904 40V NPN Transistor

1

Q4, 5

60154

MPS A56 80V PNP Transistor

2

Miscellaneous

CMC1

80100

mc4438 Neosid 28-523C36 2X 2.2mH

#23 awg @ 2X 24 SAFETY PART

L1

80101

mc4436 Neosid 32-192-44 200uH

#18SNSR @ 3 6 SAFETY PART

L2

80102

BL02RN2-R62

2 3

Amplifier/Subwoofer

BU-80/HTS-10

REF#

PART#

DESCRIPTION

QTY

REF#

PART#

DESCRIPTION

QTY

Содержание Infinity HTS-10

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 470Ω 25W METAL OXIDE non flammable Leakage Resistance Check Before returning the unit to the customer perform a leakage or resistance test as follows Leakage Current Note there is no power switch on this unit When the power plug is plugged in the unit is live Connect the unit to its rated power source Using an ammeter measure the cur...

Страница 3: ...5W 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 occasion to existing products without notice but will always meet or exceed original specifications unless otherwise stated TABLE OF CONTENTS SAFETY INFORMATION 2 DETAILED SPECIFICATIONS 3 GENERAL SPECIF...

Страница 4: ...bled 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 Spkr Input Select Switch Spkr Out Hi Pass Filter 100 Hz functional 8 ohm Satellite 6dB oct passive xover Driven from zero ohms source impedance Signal Present LED Yes Bi Color LED green signal red n...

Страница 5: ...LECTRIC 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 Low Level Input Jacks connect to preamplifier outputs 3 Crossover Frequency controls upper corner roll off points 4 Power On indicator 5 Volume Control controls volume of subwoofer ...

Страница 6: ...nd 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 preamplifier and the connecting leads will be longer than 10 feet 3 meters we recommend not using the above connection method A tube preamplifier may not be able to handle the capacitance introduced by...

Страница 7: ...ofer 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 rear panel of the subwoofer Use speaker wire maintaining proper polarity to and to Attach the speaker wire to the left and right HIGH LEVEL INPUTS on the subwoofer and the other ends to the proper left ...

Страница 8: ...cting 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 pair of satellites connect them as shown in Figure 6 8 Amplifier Subwoofer BU 80 HTS 10 ...

Страница 9: ...fer 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 capabilities of your satellite speakers Adjust this knob to the lowest frequency that you satellite speakers were designed to reproduce refer to Operation step 7 9 Amplifier Subwoofer BU 80 HTS 10 ...

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 the Crossover Frequency control UP and the Volume control DOWN Room Placement 8 The room placement of the subwoofer is the most critical aspect of its installation It will be necessary for you to tr...

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: ...OR 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 Signal to Low level input Voltage measurements OP AMP U1 1 U1 14 U1 7 U1 8 SPEAKER O P 342mV 572mV 2 88V 2 63V 13 6V 2 High Level Input Sensitivity Set up Turn level and Lo Pass Pot Fully CW Set Gene...

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 scope to check O P at module wrt GND 80Vpp square wave shown Check L1 L2 C6 and C24 Check 6V at the module wrt V 6 2V Replace Module MODULE OK END Check D1 R1 Q3 Q4 Q5 and SCP Check transformer CMC recti...

Страница 14: ...e 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 Locate the Power Amp Module it is the large gray component with a metal case On the solder side of the circuit board are the 28 soldered connections to the Module 5 Regardless of whether you can visibly s...

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 parts or designators may conform to these drawings FOLLOWING THE REPAIR a Check condition of C24 100nF 50v cap Replace if necessary Infinity part 30502 b Follow instructions included in bulletin INF9...

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 bulletin defines blown fuses as fuse F1 blowing when the unit is powered up and has played normally for several minutes or more If the unit is blowing fuse F1 instantly upon power up chances are another p...

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 broken to remove the main PCB with front panel components from the plastic faceplate This is most easily accomplished by CAREFULLY using a box cutter exacto knife or similar sharp instrument First s...

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 ONLY 13 80106 Fuse PCB complete with connectors SAFETY PART 1 BU 80 and HTS 10 rev A B ONLY 13 011 080203 000 Fuse PCB complete with connectors SAFETY PART 1 HTS 10 rev C ONLY 14 80107 Main PCB SAFE...

Страница 20: ...200270 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 200252 NOTE The HTS 10 subwoofer is part of the HTS 10 system and packaged with 5 satellite speakers the master carton is not shown 8 WOOFER BU 80 HTS 10 rev A B 200200 HTS 10 rev C 090 308000 000 F...

Страница 21: ...U 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 early 120V versions only ...

Страница 22: ...2 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 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 1 R29 40103 470 1 4W 1 METAL SAFETY PART 1 R30 40413 274k 1 4W 1 metal film 1 R31 40414 49 9k 1 4W 1 metal film 1 R32 40415 470k 1 4W 5 carbon film 1 R35 40416 221k 1 4W 1 metal film 1 R36 40406 100...

Страница 24: ...ll 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 Module with the mounting screws before soldering or powering up 5 Use only rosin core or non acid core solder thoroughly de flux the surfaces after soldering If the new Amp Module has larger mounting h...

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: ...arbon 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 Carbon resistor 68K 1 4W J R109 143 2 021 100096 120 MOF RESISTOR 0R1 1 2W R141 142 2 021 100301 120 MOF RESISTOR 100R 1W R101 104 4 021 220401 021 MOF RESISTOR 2K2 1W R120 121 2 021 220402 020 MOF RESIST...

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 capacitor 10uF 25V M SM 4 7 C7 1 039 100343 100 mylar capacitor axial 100pF 50V J NPO C1 2 3 5 4 039 100345 100 mylar capacitor axial 0u1 50V M Z5U C4 1 039 100464 100 mylar capacitor axial 0u001 50V K ...

Страница 29: ...7x165mm 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 Terminal PCB TYPE PC205 t 0 8mm J101 102 2 091 000143 000 EMI BEAD 2 HTS 10 REV C ELECTRICAL PARTS LIST cont Part Number Description Ref Designator Qty ...

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: ...102 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 1u C115 33K R135 6V V 1uF 50V C009 V C010 1uF 50V L102 F B R123 47K R124 100K 10K R133 R134 100K 2n2 C111 9 10 8 TL074 IC101 C LOW PASS C110 01u 68K R143 C112 4u7 25V 15V R125 4K3 V SOFT CLIPPING 1u 1...

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