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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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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 SER
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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 Crossover Frequencies: 150Hz; 500Hz,2800Hz, 24dB/octave Low-Frequency Driver: 12" C.M.M.D., magnetically shielded Mid-Bass Driver: 6-1/2” C.M.M.D., magnetically shielded Midrange Driver: 4” C.M.M.D., magnetically shielded H
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IL60 L/R Detailed Specifications 4
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IL60 L/R Detailed Specifications (Cont.) 5
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IL60 L/R Controls and Connections 6
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IL60 L/R Controls and Connections The Interlude IL50 and IL60 offer unprecedented flexibility for connecting the System Type Connection system to any type of audio or home-theater system. Consult the table at right Methods to determine which system description most closely matches your own, then follow the hook-up method corresponding to that system. 2-Channel receiver or integrated amplifier 1 that has no subwoofer output or If none of these system configurations seem to match yours, consult y
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IL60 L/R Controls and Connections (Cont.) RED = + METHOD 3a BLACK = - + ® STRIPE= + 3 NO STRIPE = - 4 O RED = + METHOD 3b BLACK = - STRIPE = + 3 NO STRIPE = - 4 + ® O 8 00354
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IL60 L/R Controls and Connections (Cont.) RED = + METHOD 4 BLACK = - 1. LOOSEN TERMINALS 2. INSERT BARE END: TIGHTEN TERMINALS (ONE CHANNEL SHOWN) 3 3. SET INPUT SUB RECEIVER TO "LINE LEVEL" SUBWOOFER OUTPUTS SPEAKER STRIPE = + OUTPUTS 4 L 4. SET LOW-PASS FILTER - + TO "ON" R NO STRIPE= - Final Positioning After correctly connecting the loudspeaker and verifying that both the subwoofer and main section + portions are playing, it is time to optimize the system for your particular list
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IL60 L/R TM Operation/Bass Optimization System 10
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IL60 L/R TM Bass Optimization System (Cont.) NOTE:It is important that you make the same adjustments to both loudspeakers. 11 Set the Bass Optimization System Bandwidth adjustments to a middle position (10 clicks from a 10 fully clockwise position) and set Level adjustments for a –6dB (8 clicks from a fully clockwise position). Then,while the music is playing,sit in your favorite chair and have somebody else slowly 9 adjust the Frequency controls from fully clockwise to fully counte
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IL60 L/R Mechanical Parts List IL60 Complete Amplifier Ass’y N/A 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 Grille, Gray, Right 336440-041 Mid-Bass, 6-1/2” C.M.M.D., shielded, 4.5 ohms±10% 335741-001 Midrange, 4” C.M.M.D., shielded, 4.6 ohms±10% 335812-
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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 CUP 900101-012 AMPLIFIER, 335809-001 NOT FOR SALE SCREW, (4) MIDRANGE #4-24"x .375 PPH BLK TRANSDUCER, 907801-006 335812-002 TWEETER, 335225-002 BAFFLE, 336442-001, R 336442-002, L MIDBASE TRANSDUCER 335741-001 CROSSOVER NETWORK 336500-001 GRILLE
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IL60 L/R Exploded View of Amplifier FEATURE BOARD LINEAR BOARD RABOS BOARD NETWORK, 336500-001 POWER SUPPLY BOARD EMI 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 1.25X.25 SLO-BLO (FS0026) SWITCH, ROCKER POWER (SR0032) FRONT VIEW 14 00420
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IL60 L/R Service Tips 15
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IL60 L/R Test Set Up and Procedure AC VOLT METER (10V) SIGNAL IL60 GENERATOR UNDER TEST + ® AMPLIFIER O 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” Low Pass Filter to OFF Bass Optimization system to OFF 1. From the signal generator, connect one line level (RCA) ca
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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. 3. Locate the Linear board assembly (PCB with the output transistors) 4. Adju
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IL60 Service Bulletin Service Bulletin INF2000-04 - December 2000 Warranty labor rate: MINOR repair To: All Infinity Service Centers Model: Interlude IL60 Subject: Air Leak or Buzzing from Front Baffle Some early versions of the Interlude IL60 loudspeaker may need an additonal gasket surrounding the tweeter. The original gasket is located behind and is affixed to the front baffle. In the event you receive an Interlude IL60 loudspeaker with t
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IL60 Service Bulletin Service Bulletin INF2001-04 Rev2 – May 2005 Warranty labor rate: MINOR repair To: 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: 1) Check
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IL60 8) Connect the subwoofer amplifier to an AC power source; turn the unit ON. Measure the DC voltage at the “CD ±” wires; it should be 10-20 volts. 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. 10) If the voltage is normal, turn the amplifier OF
