Infinity BU-80, Service Manual

Page 1: ...BU80 BU80E HTS 10 POWERED SUBWOOFER SERVICE MANUAL Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 Rev H 11 2001 ...

Page 2: ... CMC1 Use only factory replacement L1 Use only factory replacement Fuse PCB Use only factory replacement Main PCB Use only factory replacement R29 470 ohm 1 4W 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 un...

Page 3: ...M 24 BU 80 HTS 10 rev A B SCHEMATIC 1 of 2 25 BU 80 HTS 10 rev A B SCHEMATIC 2 of 2 26 BU80E HTS 10 REV C ELECTRICAL PARTS LIST 27 BU80E HTS 10 REV C CIRCUIT BOARDS 29 BU80E HTS 10 REV C SCHEMATIC 32 BU80E HTS 10 REV C POWER AMP MODULE SCHEMATIC 33 GENERAL SPECIFICATIONS Frequency Response 3 db 45Hz 150Hz Output RMS 75W Driver 8 Woofer Crossover Frequency 50Hz 150Hz continuously variable Dimension...

Page 4: ...DETAILED SPECIFICATIONS Amplifier Subwoofer BU 80 BU80E HTS 10 4 ...

Page 5: ...Amplifier Subwoofer BU 80 BU80E HTS 10 5 CONTROLS AND THEIR FUNCTION ...

Page 6: ...Amplifier Subwoofer BU 80 BU80E HTS 10 6 BU 80 BU80E HTS 10 CONNECTIONS ...

Page 7: ...Amplifier Subwoofer BU 80 BU80E HTS 10 7 BU 80 BU80E HTS 10 CONNECTIONS Cont ...

Page 8: ...Amplifier Subwoofer BU 80 BU80E HTS 10 8 BU 80 BU80E HTS 10 CONNECTIONS Cont ...

Page 9: ...Amplifier Subwoofer BU 80 BU80E HTS 10 9 BU 80 BU80E HTS 10 CONNECTIONS Cont ...

Page 10: ...Amplifier Subwoofer BU 80 BU80E HTS 10 10 OPERATION ...

Page 11: ...Amplifier Subwoofer BU 80 BU80E HTS 10 11 BU 80 BU80E HTS 10 TEST SET UP AND PROCEDURE ...

Page 12: ...Amplifier Subwoofer BU 80 HTS 10 12 BU80 HTS rev A B ...

Page 13: ...Amplifier Subwoofer BU 80 HTS 10 13 Power Amp Test Procedure Flow Chart BU80 HTS 10 rev A B ...

Page 14: ...Amplifier Subwoofer BU 80 HTS 10 14 Service Bulletin INF9902 APRIL 1999 ...

Page 15: ...Amplifier Subwoofer BU 80 HTS 10 15 ...

Page 16: ...Amplifier Subwoofer BU 80 HTS 10 16 ...

Page 17: ...Amplifier Subwoofer BU 80 HTS 10 17 TECH TIPS ...

Page 18: ...Amplifier Subwoofer BU 80 BU80E HTS 10 18 BU 80 BU80E HTS 10 AMPLIFIER ASSEMBLY EXPLODED VIEW ...

Page 19: ...Amplifier Subwoofer BU 80 BU80E HTS 10 19 BU 80 BU80E HTS 10 AMPLIFIER ASSEMBLY EXPLODED VIEW Cont ...

Page 20: ...042228 020 PLASTIC BAG CARTON BU 80 200220 HTS 10 HTS10CTN BU 80E 005 003838 000 BU 80 BU 80E HTS 10 PACKING BU 80 BU 80E 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 BU 80E HTS 10 rev C 090 308000 000 FEET SET OF...

Page 21: ...Amplifier Subwoofer BU 80 HTS 10 21 BU 80 HTS 10 rev A B PCB ...

Page 22: ...Amplifier Subwoofer BU 80 HTS 10 22 BU 80 HTS 10 rev A B PCB ...

Page 23: ...Amplifier Subwoofer BU 80 HTS 10 23 BU 80 HTS 10 rev A B ELECTRICAL PARTS LIST ...

Page 24: ...or non acid core solder thoroughly de flux the surfaces after soldering If the new Amp Module has larger mounting hole s in the case and the stock screws no longer will fit and screws of the proper type can not be obtained locally order 2 part 60301S screws 2 part 60301N nuts BU 80 and HTS 10 rev A B ONL Y 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 MODUL...

Page 25: ...Amplifier Subwoofer BU 80 HTS 10 25 BU 80 HTS 10 rev A B SCHEMATIC 1 OF 2 ...

Page 26: ...Amplifier Subwoofer BU 80 HTS 10 26 BU 80 HTS rev A B SCHEMATIC 2 OF 2 ...

Page 27: ... 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 RESISTOR 2K2 2W R001 1 021 221597 100 MF RESISTOR 221K 1 4W F R112 1 021 249597 100 MF RESISTOR 24K9 1 4W F R...

Page 28: ... capacitor axial 0u001 50V K X7R C8 1 039 330344 101 mylar capacitor axial 330pF 50V K X7R C6 1 072 040170 000 CONNECTOR 15PIN 1 073 014023 900 SHIELD 103 9 14 0 3t 1 073 032050 000 HEAT SINK 102 3 58mm 1 061 700012 000 Silicon Sleeves for Q2 Q3 2 FUSE PCB ASS y 011 080203 000 FUSE PCB BOARD SWD80 82 21 1 6m m 072 040039 000 Terminal PCB TYPE PC205 t 0 8mm J3 4 5 6 4 091 000097 000 FUSE T1A 250V 5...

Page 29: ...Amplifier Subwoofer BU80E HTS 10 29 BU80E HTS 10 REV C POWER AMP MODULE PCB ...

Page 30: ...Amplifier Subwoofer BU 80E HTS 10 30 BU80E HTS 10 REV C CIRCUIT BOARD Cont ...

Page 31: ...Amplifier Subwoofer BU80E HTS 10 31 BU80E HTS 10 REV C CIRCUIT BOARD Cont ...

Page 32: ...Amplifier Subwoofer BU 80E HTS 10 32 BU80E HTS 10 REV C SCHEMATIC ...

Page 33: ...Amplifier Subwoofer BU 80E HTS 10 33 BU80E HTS 10 rev C POWER AMP MODULE SCHEMATIC IRF640 IRF640 E D F 3 2 1 C B A 4 3 2 1 A B C 8 7 6 5 D E F 8 7 6 00503 ...

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