Infinity ENTRA Service Manual Download Page 18 | Manualshive

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Entra Subwoofer

18

Integrated Circuit Diagrams (Cont.)

NEUTRAL

VOLTAGE

DETECTION

OVERLOAD

DETECTION

FLIP-FLOP

CIRCUIT

Vcc ON

MUTE

AC OFF

DETECTION

RELAY

DRIVE

CIRCUIT

SWITCH for

LATCH AUTOMATIC

RESET

1

OVERLOAD

DETECTION

NEUTRAL

VOLTAGE

DETECTION

2

5

GND

SWITCH for

LATCH

AUTOMATIC

RESET

3

AC OFF DETECTION

4

6

8

7

MUTING

Vcc

00330

µPC1237HA IC601

µPC1237HA IC601

1

8

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Summary of Contents for ENTRA

Page 1: ...ENTRA ENTRA POINT FIVE HTS POWERED SUBWOOFER SERVICE MANUAL Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 Rev 2 12 2002 ...

Page 2: ...ECIFICATIONS 4 CONTROLS and CONNECTIONS 5 OPERATION 7 MECHANICAL PACKAGING PARTS LIST 8 EXPLODED VIEW 9 PACKAGING 10 TEST SETUP AND PROCEDURES 11 ELECTRICAL PARTS LIST 12 INTEGRATED CIRCUIT DIAGRAMS 17 BLOCK DIAGRAM 19 PCB DRAWINGS 20 SCHEMATICS 23 ...

Page 3: ...dB octave continuously variable Driver 10 245mm C M M D shielded DCR 3 3 ohms 10 Dimensions H x W x D 15 x 14 1 2 x 17 381mm x 368mm x 432mm Weight 47 lb 21 4kg Each Infinity continually strives to update and improve existing products as well as create new ones The specifications and construction details in this and related Infinity publications are therefore subject to change without notice ...

Page 4: ...Detailed Specifications Entra Subwoofer 4 ...

Page 5: ...Entra Subwoofer 5 Controls and Connections ...

Page 6: ...Entra Subwoofer 6 Controls and Connections Cont ...

Page 7: ...Entra Subwoofer 7 Operation ...

Page 8: ...3 ohms 10 336649 001 3 GRILLE CUP 6 333249 001 4 SCREW 6 6 x 75 BLK PB PPH 903401 012 5 GRILLE 336454 001 6 FRONT BAFFLE 336452 001 7 FOOT 4 330163 001 8 PORT TUBE 336806 001 PACKAGING 9 OWNERS MANUAL 336422 002 10 WARRANTY CARD 335841 001 11 SURVEY CARD 335868 002 12 PAD TOP END 2 336457 001 13 CARTON 336458 001 Mechanical Packaging Parts List ...

Page 9: ...ps screws at the rear of the enclosure and pull the amplifier out of the back Remove the two Phillips screws as indicated in VIEW A to remove the rear cover VIEW A REMOVE THESE SCREWS INFINITYSYSTEMSINC NORTHRIDGE CA USA DIRECT DIRECT INPUT BYPASSESFILTER WARNI NG TOREDUCETHERI SKOF F I REOREL ECT RI CSHOCK DO NOTEXPOSETHI SAPPL I ANCET ORAI NORMOI ST URE AT TENT I ON POURÉVI T ERT OUTRI SQUEDEFEU...

Page 10: ...Entra Subwoofer 10 Packaging 9 10 11 12 12 13 00472 ...

Page 11: ...7 10 above using a sweep generator as a signal source 2 Sweep generator from 20Hz to 20kHz Listen to the cabinet and drivers for any rattles clicks buzzes or any other noises If any unusual noises are heard remove woofer and test Driver Function Woofer 1 Remove woofer from cabinet detach and wire clips See page 9 for removal instructions 2 Check DC resistance of woofer it should be 3 3 ohms 10 3 C...

Page 12: ...98 100 METAL FILM RESISTOR 21K5 1 8W F MF R111 1 021 280498 100 METAL FILM RESISTOR 2K8 1 8W F R130 1 021 442598 100 METAL FILM RESISTOR 44K2 1 8W F R131 1 021 511498 100 METAL FILM RESISTOR 5K11 1 8W F R116 117 2 Capacitors 030 100247 300 CERAMIC CAPACITOR 0u1 50V Z P 5 C110 109 121 122 6 118 119 030 220223 300 CERAMIC CAPACITOR 220P 50V K P 5 C105 106 107 3 032 100243 301 PE CAPACITOR 0u1 63V J ...

Page 13: ... 220698 120 CARBON RESISTOR 220K 1 8W J R603 1 020 270398 120 CARBON RESISTOR 270R 1 8W J R715 717 2 020 270698 120 CARBON RESISTOR 270K 1 8W J R611 1 020 330297 120 CARBON RESISTOR 33R 1 4W J R723 724 2 020 390598 120 CARBON RESISTOR 6 39K 1 8W J R716 1 020 470498 120 CARBON RESISTOR 4K7 1 8W J R602 1 021 470597 120 M O F RESISTOR 47K 1 4W J R728 1 020 470598 120 CARBON RESISTOR 47K 1 8W J R505 6...

Page 14: ...IC501 701 2 051 003100 000 TRANSISTOR TIP 31C TO 220 Q707 1 051 003200 000 TRANSISTOR TIP 32C TO 220 Q708 1 051 046900 000 TRANSISTOR 4 BF469 Q704 1 051 047000 000 TRANSISTOR BF470 Q703 1 051 066900 000 TRANSISTOR 1 2SD669A C class Q711 1 051 138600 000 TRANSISTOR 2SA 1386 SANKEN TO 3P Q710 1 051 181500 000 TRANSISTOR PC 2SC1815GR Q501 502 602 603 4 051 351900 000 TRANSISTOR 2SC 3519 SANKEN TO 3P ...

Page 15: ...00 LEAD WIRE 22 GND WIRE L 80mm 5TT 5TT 1 083 022548 000 LEAD WIRE 18 UL1015 PCS T187 t0 8 B1811T0P 2 2 083 031603 000 4Px120mm CONNECTOR 1 LEAD WIRE 22 5TT CN30 1 091 000130 000 FUSE HOLDER PCS P N CQ 203SP 2 093 105203 300 FUSE UL GSL 2AG FUSE 3A 250V 5 20mm F301 1 MISCELLANEOUS 005 009885 000 GASKET 97 5x85x36cm 1 005 033420 000 STYROFOAM 335 0x191 0x65 0mm 40 008 068701 000 GASKET SM 55 GASKET...

Page 16: ...0031 901 GEAR WASHER BACK PANEL VS GROUND WIRE M3 BLK 1 072 050002 000 GROUND WASHER GROUND WIRE VS PANEL GND 1 1 073 032306 600 HEAT SINK ALUM 154x125x34mm 1 074 020015 000 ROCKER SW 125V 5A P N R19 33A SPST PIN LOCK TYPE 1 083 041600 004 AC CORD SPT 2 16 12 FEET 5TT DOUBLE INSULATE 1 Electrical Parts List Cont Part Description Designator Quantity No ...

Page 17: ...Entra Subwoofer 17 Integrated Circuit Diagrams ...

Page 18: ...RLOAD DETECTION FLIP FLOP CIRCUIT Vcc ON MUTE AC OFF DETECTION RELAY DRIVE CIRCUIT SWITCH for LATCH AUTOMATIC RESET 1 OVERLOAD DETECTION NEUTRAL VOLTAGE DETECTION 2 5 GND SWITCH for LATCH AUTOMATIC RESET 3 AC OFF DETECTION 4 6 8 7 MUTING Vcc 00330 µPC1237HA IC601 µPC1237HA IC601 1 8 ...

Page 19: ... 7 6 8 2 F VARI LPF 2rd order DIR NOR MIXER FIX LPF 2rd order AC DC CONVERTER LED DIRVER 15V 15V INPUT MAX CLAMPING CIRCUIT SPK DIRVER CIRCUIT SP GEN RED VOL CTL 0 180 HPF 2rd order PHASE SW 15K4 15K Direct Nor input R L SPK IN SPK OUT 00474 A B C D A B C D ...

Page 20: ......

Page 21: ......

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Page 23: ... 47u 63V C113 R116 5K11 3 2 1 20KB VR101 A 6 5 4 VR101 B 20KB C103 10u 25V 220P 50V C106 D101 1N4148 D102 1N4148 1u 63V C109 R110 7K5 R117 5K11 022u 50V C108 22u 63V C104 C114 1u 63V 21K5 R111 10K R109 13 12 14 TL074 IC101 D 6 5 7 TL074 IC101 B R118 15K 16K9 R120 11K R122 0 VOLUME CONTROL 10 9 8 IC101 C TL074 R127 10K C121 1u 63V R123 1K 3 2 1 4 8 TL072 IC102 A C122 1u 63V R124 10K C118 1u 63V 180...

Page 24: ...1 100K R731 C711 470p 1N4002 D717 1K 1 2W R729 100 1 4W R730 PE 270 R717 270 R715 39K R716 Q711 2SD669 1K5 R721 C714 470p Q703 BF470 3K3 R720 C709 1u 33 1 4W R723 100 1 4W R726 470p C710 1N4148 D714 D712 1N4002 100K R725 1N4148 D708 R727 1K 1 2W 2N5551 Q705 Q706 2N5401 47K 1 4W R728 1N4148 D709 C716 220p 68 1 2W R732 R733 68 1 2W R609 10 1W D710 1N4002 2SC3519 Q709 TIP31F Q707 1 3W R734 R735 1 3W ...

Page 25: ...303 1K1W R304 8K2 8K2 R301 R302 1K 1W C305 220 16V C306 220 16V C303 4700u 63V C304 4700u 63V BD2 KBU8D 2L1 F301 T3A 250V 1 2 3 CON302 0 1u C2 0 1u C3 HZ15 3 ZD301 HZ15 3 ZD302 C307 22U 16V C308 22U 16V 2 1 3 4 CON301 2SD882 Q301 2 1 3 2SB772 Q302 E D 3 2 1 C B A 4 3 2 1 A B C 8 7 6 5 D E 8 7 6 00319 ...

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