Infinity Interlude Series Service Manual
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Infinity Interlude Series Service Manual

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Interlude Series
IL60 L/R
Powered Loudspeaker
Service Manual
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 11797
REV 5
5/2005

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Summary of Contents for Infinity Interlude Series

  • Page 1 Interlude Series IL60 L/R Powered Loudspeaker Service Manual Infinity Systems, Inc 250 Crossways Park Dr. Woodbury, New York 11797 REV 5 5/2005...

  • Page 2: Table Of Contents

    IL60 CONTENTS SPECIFICATIONS …….……………………………………………….3 DETAILED SPECIFICATIONS …………………….…………………4 CONTROLS and CONNECTIONS …………………….….…………6 OPERATION……………………………………..………..…….……..10 BASS OPTIMIZATION SYSTEM……………………….….…………10 MECHANICAL PARTS LIST…………………….……………………12 EXPLODED VIEW ……………………………………….……………13 EXPLODED VIEW OF AMPLIFIER…………………….……………14 SERVICE TIPS……………………………..……………………….…15 TEST SET UP PROCEDURE……………………..…….……………16 IL60 ADJUST BIAS PROCEDURE………………..…………………17 SERVICE BULLETIN INF2000-04…….…………….….……………18 SERVICE BULLETIN INF2001-04…….…………….….……………19 TECH TIP INFTT2003-03…….…………….…………………………21 PACKAGING …………………………….………………………….…22 PRINTED CIRCUIT BOARD DIAGRAMS………………..…………23...

  • Page 3: Specifications

    IL60 L/R Specifications IL60 L/R Frequency Response: 28Hz - 22,000Hz (±3dB) Recommended Amplifier Power Range 15-175 watts* Subwoofer Amplifier Output: 500 watts (In to 8Ω from 20 Hz - 100Hz with no more than 0.1% THD) Sensitivity: 89dB (2.83V @ 1 meter) Nominal Impedance: 8Ω...

  • Page 4: Detailed Specifications

    IL60 L/R Detailed Specifications...
  • Page 5 IL60 L/R Detailed Specifications (Cont.)

  • Page 6: Controls And Connections

    IL60 L/R Controls and Connections...
  • Page 7 If none of these system configurations seem to match yours, consult your dealer Pre-out/Main-In connectors or Infinity customer service for direction on how best to hook up your system. 2-Channel receiver or integrated amplifier with preamp output and input connectors...
  • Page 8 IL60 L/R Controls and Connections (Cont.) RED = + METHOD 3a BLACK = - ® STRIPE= + NO STRIPE = - RED = + METHOD 3b BLACK = - STRIPE = + NO STRIPE = - ®...
  • Page 9 IL60 L/R Controls and Connections (Cont.) RED = + METHOD 4 BLACK = - 1. LOOSEN TERMINALS 2. INSERT BARE END: TIGHTEN TERMINALS (ONE CHANNEL SHOWN) 3. SET INPUT SUB RECEIVER TO "LINE LEVEL" SUBWOOFER OUTPUTS STRIPE = + SPEAKER OUTPUTS 4.

  • Page 10: Operation

    IL60 L/R Operation/Bass Optimization System...
  • Page 11 In order to facilitate quicker and more accurate results, Infinity has developed an optional test and measurement kit that allows the user to perform a series of measurements and aids him/her in properly setting the Bass Optimization System controls.

  • Page 12: Mechanical Parts List

    IL60 L/R Mechanical Parts List IL60 Complete Amplifier Ass’y Grille Set (one Upper and one Woofer): Grille, Black, Left 336440-072 Grille, Black, Right 336440-071 Grille, Midnight Blue, Left 336440-052 Grille, Midnight Blue, Right 336440-051 Grille, Rich Burgundy, Left 336440-062 Grille, Rich Burgundy, Right 336440-061 Grille, Gray, Left 336440-042...

  • Page 13: Exploded View

    IL60 L/R Exploded View SCREW, (4) SCREW, (12) #6 x .75" PPH BLK #8 x.75" PPH BLK 903401-012 900101-012 PORT TUBE, 336799-001 CABINET VOLUME NOT FOR SALE CONTROL ASS'Y w/CABLE, 336250-001,R 336250-002,L (ROTATED) SCREW, (4) ISOLATION #8 x.75" PPH BLK 900101-012 AMPLIFIER, 335809-001...

  • Page 14: Exploded View Of Amplifier

    IL60 L/R Exploded View of Amplifier FEATURE BOARD LINEAR BOARD RABOS BOARD NETWORK, 336500-001 POWER SUPPLY BOARD BOARD SWITCH, RCA SINGLE SPDT TOGGLE PC MT (2) (SR0007) (JC0091) PAIR BINDING POSTS GOLD (JC0104) FUSE HOLDER PANEL MT SEALED (FH0012) AC (120V) IEC SOCKET (JC0129) FUSE, 4A 250V...

  • Page 15: Service Tips

    IL60 L/R Service Tips...

  • Page 16: Test Set Up Procedure

    IL60 L/R Test Set Up and Procedure AC VOLT METER (10V) SIGNAL IL60 GENERATOR UNDER TEST ® AMPLIFIER OUTPUT FROM GENERATOR/AMPLIFIER SYSTEM AURAL SWEEP TEST Equipment needed: • Function/signal generator/sweep generator • Integrated Amplifier • Multimeter • Speaker cables General Unit Function (UUT = Unit Under Test) Switches on the amplifier faceplate: Sub Input to “Line Level”...

  • Page 17: Il60 Adjust Bias Procedure

    IL60 IL60 ADJUST BIAS PROCEDURE (Mandatory when any output MOSFET transistors Q3,4,7,8 are replaced) 1. Amplifier should be unplugged and OFF. 2. Remove Amp assembly from cabinet; remove rear plastic cover if present. All wires exiting the cover can remain connected unless they will prevent you from removing the amplifier or accessing potentiometers on the Linear board PCB in the following steps.

  • Page 18: Service Bulletin Inf2000-04

    4) Remove the front baffle; unplug the two faston connections to the tweeter terminals. 5) Apply a new rectangular gasket, Infinity part# 336050-003, on top of the present gasket, surrounding the tweeter. Final gasket(s) height should rise above the plastic “ledge” surrounding the tweeter.

  • Page 19: Service Bulletin Inf2001-04

    Service Bulletin Service Bulletin INF2001-04 Rev2 – May 2005 Warranty labor rate: MINOR repair All Infinity Service Centers Model: Interlude and Intermezzo IL50, IL60, IL100s, IL120s, IM1.2s, IM4.1t Subject: No Output In the event you receive an Interlude or Intermezzo loudspeaker with the complaint: “There is no output, and the LED on the volume control does not light, red or green”, check the item listed below:...
  • Page 20 9) If it is 25 volts or greater, turn the amplifier OFF, disconnect from the power source, and replace: IL120S, IL60: Q504,Q507 IRF640 on the Power Supply PCB, Infinity part# QM0015. IL50, IL100s: Q1 IRF540 on the Power Supply PCB, Infinity part# QM0020.

  • Page 21: Tech Tip Inftt2003-03

    2) Clean and repair the PC board if required (See Tech Tip HCG2002-01 - Damaged Printed Circuit Boards). 3) Replace the Hybrid Bash Controller IC: IL50,IL100s,MSW-1,IM2.6,IM3.5c U1 in models: IL60, IL120s U501 in models: Infinity part # HC1011 FAILURE TO FOLLOW THE INSTRUCTIONS ABOVE MAY RESULT IN UNIT FAILURE WHEN THE AMPLIFIER IS POWERED UP...

  • Page 22: Packaging

    IL60 Packaging...

  • Page 23: Printed Circuit Board Diagrams

    IL60 Volume Left/Right Boards...
  • Page 24 IL60 IL60 L/R EMI FILTER/RABOS PCBs...
  • Page 25 IL60 IL 500W Linear/Feature Boards...
  • Page 26 IL60 500W HC BASH Power Supply (120V/230V Selectable)

  • Page 27: Electrical Parts List (120V)

    IL60 IL60 Electrical Parts List Part# Reference Designator Description Feature PCB Assembly SEMICONDUCTORS DS0001 D9,D100,D101,D102,D103, RECT, 100mA 75V SIGNAL 1N4148T D104,D105,D200,D201 QM0035 JFET, N-CH J111 TO92 TR UA0003 U5,U6 OPAMP, QUAD 14PIN DIL LM324N UA0009 U1,U2 OPAMP, QUAD 14P DIL TL074/084 UA0010 OPAMP, DUAL 8PIN DIL TL082 DZ0014...
  • Page 28 IL60 IL60 Electrical Parts List (Cont.) Part# Reference Designator Description MT0036 TERM, FASTON MALE PCMT 205X032 SR0007 S1,S3,S4 SWITCH, SPDT TOGGLE C/W CAP PC PCB, RABOS Board SEMICONDUCTORS UA0009 OPAMP, QUAD 14P DIL TL074/084 UA0010 OPAMP, DUAL 8PIN DIL TL082 RESISTORS RC0273 R30,R32,R33...
  • Page 29 IL60 IL60 Electrical Parts List (Cont.) Part# Reference Designator Description RW0022 R44, R45 RES, WW 0R1 2W 5% RX0055 R39, R40 RES, MO 470R 2W 5% CAPACITORS CC0025 C15-18 CAP, CA 1000PF 100V 10% CC0080 C13, C14 CAP, CA 220P 100V 10% CC0082 C7, C8 CAP, CA .1UF 50V 20%...
  • Page 30 IL60 IL60 Electrical Parts List (Cont.) Part# Reference Designator Description RM0340 R503, R506 RES, MF 22R 1/4W 1% FLAMEPROOF RM0397 R502, R505 RES, MF 422R 1/4W 1% RM0399 R527 RES, MF 3K48 1/4W 1% RW0022 R521, R522, R532, R533 RES, WW 0R1 2W 5% RX0046 R514 RES, MO 47K 1W 5%...
  • Page 31 IL60 IL60 Electrical Parts List (Cont.) Part# Reference Designator Description MISCELLANEOUS KV0001 VARISTOR, 275V 100J .6W MT0023 J5, J6 TERM, FASTON MALE PCMT 187X032 480097 SUB, #18B 9 187X032/1/4STRP 480090 SUB, #18R 9 187X032/1/4STRP 540124 IND, CM CHOKE YT7271 810088 MET, Heatsink 1x2 Bridge HN0006 NUT, HEX KEP #6-32 ZNP Used with screw HS0066...
  • Page 32 IL60 IL60 Electrical Parts List (Cont.) Part# Reference Designator Description 930054 CUP, PCBA BUCKET C/W GASKET FEATURE BOARD 930055 CUP, AMP BUCKET AC IN W/GASKET AC BOX FH0012 FUSE, HOLDER PANEL MT SEALED FS0026 FUSE, 4A 250V 1.25X.25 GLASS HN0006 NUT, HEX KEP #6-32 ZNP USED WITH THE BRIDGE HN0015 NUT, HEX KEP #8-32 ZNP USED WITH HS0057...

  • Page 33: Integrated Circuit Diagrams

    IL60 Integrated Circuit Diagrams...

  • Page 34: Wiring Diagram Crossover Network Schematic

    IL60 Wiring Diagram/Crossover Network MIDBASS WIRING DIAGRAM TRANSDUCER 335741-001 AMPLIFIER GRN/BLK - MIDRANGE TRANSDUCER WHT/BLK 335812-002 NETWORK 336500-001 TWEETER 335225-002 YEL/BLK - CROSSOVER NETWORK WOOFER SCHEMATIC 336056-001 470 mF 100V 2.4 mH + INPUT 80 mF 100V GRN/BLK - INPUT 14 mF 3.3 ohms 100V...

  • Page 35: Il60 Schematics

    IL60 500W EMI/Volume PCB's...
  • Page 36 IL60...
  • Page 37 IL60...
  • Page 38 IL60...
  • Page 39 IL60...
  • Page 40 IL60...

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