Infinity Infinitesimal IV Скачать руководство пользователя страница 33

 

 

 

SEMICONDUCTOR PART NUMBERS

 

 
306-0798  

1N4004 

DIODE 

306-0805  

1N4148 

DIODE 

306-8042   

FEP16DT DUAL DIODE 

306-8043   

FEN16DT DUAL DIODE 

307-8039   

IN5246B 16V ZENER DIODE 

325-4258   

LF347N IC  QUAD OP-AMP 

325-6548   

LF353N IC DUAL OP-AMP 

306-3891  

2N4403 

TRANSISTOR 

306-3898  

2N4401 

TRANSISTOR 

347-3982   

TIP 36C TRANSISTOR 

347-3989   

TIP 35C TRANSISTOR 

347-8024  

BD911 

TRANSISTOR 

347-8025  

BD912 

TRANSISTOR 

347-8127  

2SC2061 

TRANSISTOR 

2050C238900T 2SC2389 

TRANSISTOR 

2050A103800T   2SC1038 TRANSISTOR 
347-8029  

2SD1763A 

TRANSISTOR 

347-8030  

2SB1186A 

TRANSISTOR 

347-8033 MPSA12 TRANSISTOR 
 

MISC. 

 
510-8084 

SPEAKER SPST ITT #LZ24V RELAY 

146-5127  

LEVEL & LOW FREQ POT  20K X 2  

870-5150   

FUSE (120V) 5 X 20mm 3A SLO-BLO GMC 

870-5354   

FUSE (230V)  5 X 20mm 1.5A SLO-BLO GMC 

539-5349   

120V FEMALE PLUG SOCKETASS’Y w/ FUSE DRAWER 

123-8038 

430 OHM 1 WATT RESISTORS (R2,R3) 

545-5994 HIGH 

LEVEL INPUT BLOCK – PLASTIC 

615-5141   

6”  POWER CORD 

32

Содержание Infinitesimal IV

Страница 1: ...Models SSW 10 subwoofer Infinitesimal IV subwoofer Servo Controlled subwoofer RS Subwoofer SERVICE MANUAL Infinity Systems Incorporated 250 Crossways Park Dr Woodbury New York 11797 Rev0 12 2003 ...

Страница 2: ...woofer 180 Hz High Pass Filter Dimensions Infinitesimal IV SSW 10 Servo Controlled Subwoofer 13 25 x 13 25 x 13 337 x 337 x 330mm RS Subwoofer 23 25 x 7 25 x 13 25 59x18 5 x 33 5mm Weight Infinitesimal IV SSW 10 Servo Controlled Subwoofer 34 lbs 15 4kg PRODUCT IDENTIFICATION This service manual covers the following models SSW 10 subwoofer Infinitesimal IV subwoofer Servo Controlled subwoofer RS Su...

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Страница 6: ...CIRCUIT DESCRIPTION 5 ...

Страница 7: ...CIRCUIT DESCRIPTION cont d 6 ...

Страница 8: ...CIRCUIT DESCRIPTION cont d 7 ...

Страница 9: ...CIRCUIT DESCRIPTION cont d 8 ...

Страница 10: ...CIRCUIT DESCRIPTION cont d 9 ...

Страница 11: ...CIRCUIT DESCRIPTION cont d 10 ...

Страница 12: ...THEORY OF OPERATION 11 ...

Страница 13: ...THEORY OF OPERATION 12 ...

Страница 14: ......

Страница 15: ...THEORY OF OPERATION 14 ...

Страница 16: ...THEORY OF OPERATION 15 ...

Страница 17: ...THEORY OF OPERATION 16 ...

Страница 18: ......

Страница 19: ... cover from the amp assembly I RELAY IS CLOSING NORMALLY Audible click is heard 1 5 seconds after power is turned on A R2 R3 430Ω 1watt resistors are burnt up or discolored problem is most likely defective ICI and IC2 on PC 2 the small input board OR one or both of the zener diodes in the power supply B To check replace R2 R3 power up unit and check DC voltages across R2 R3 it should be 11 14 VDC ...

Страница 20: ...ck power supply wire for ground TEST CONDITIONS Signal l00mV 100 Hz connected to the low level input with a Y cable both right left inputs Both control pots level and frequency Full Clockwise Turn UUT on No speaker load should be connected at this time ICI LF347N pin 7 388 mV ICI LF347N pin 1 392 mV Check C16 15µf Capacitor One or both leads must be unsoldered for proper reading Replace if defecti...

Страница 21: ... 9 All junctions can be tested in the circuit with a diode check function on a DMM If a short is found however remember some output devices are in parallel and will have to be removed to confirm the short 2 Problem is a shorted toroidal power transformer Replace if defective RECOMMENDED FINAL INSPECTION Check for a burnt or deformed thermistor attached to power cord plug switch Replace if defectiv...

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Страница 27: ...ists For amplifier assemblies Note These parts lists may contain some part numbers that are not valid or No Longer Available Descriptions and Reference Designators when included should aid technicians in part substitution If necessary call the Infinity Parts department at 1 516 496 3400 ext 6553 for assistance 26 ...

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Страница 33: ...BD911 TRANSISTOR 347 8025 BD912 TRANSISTOR 347 8127 2SC2061 TRANSISTOR 2050C238900T 2SC2389 TRANSISTOR 2050A103800T 2SC1038 TRANSISTOR 347 8029 2SD1763A TRANSISTOR 347 8030 2SB1186A TRANSISTOR 347 8033 MPSA12 TRANSISTOR MISC 510 8084 SPEAKER SPST ITT LZ24V RELAY 146 5127 LEVEL LOW FREQ POT 20K X 2 870 5150 FUSE 120V 5 X 20mm 3A SLO BLO GMC 870 5354 FUSE 230V 5 X 20mm 1 5A SLO BLO GMC 539 5349 120V...

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