Infinity Modulus MCC 1 Bedienungsanleitung

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11

2

3

4

5

6

7

8

9

17

00545

15

10

16

GRN

+

GRN/BLK

—

GRN

+

GRN/BLK

—

NETWORK

MODCTRNET

RED+

BLK

—

WOOFER

MODCTRWFR

or

336545-002

WOOFER

MODCTRWFR

or

336545-002

TWEETER

MODSATTWT

or

336417-001

GRN

+

YEL

—

EXPLODED VIEW

WIRING DIAGRAM

MCC-1 Modulus

®

Center

Infinity Loudspeaker Troubleshooting/Repair Tips

Most customers prefer to do simple loudspeaker repairs themselves. By following the steps below, a majority of loudspeakers canbe returned to

their original factory performance with minimum effort. Choose the example that best describes the problem you are experiencing.

Problem 1: No sound or distorted sound from one loudspeaker in a pair (or set)

Connect the dead/distorting loudspeaker to a different amplifier channel (one that had a functioning loudspeaker connected to it). If it functions

normally, the problem is not loudspeaker-related. If the loudspeaker still makes no sound or sounds distorted, a wire may have become loose

or disconnected, the network (also known as a crossover) may be defective, the drivers (woofer, tweeter, etc.) may be defective or, in very rare

cases, all may be defective.

Refer to the wiring diagram and exploded view below. The network is a small circuit board found on the inside of the terminal cup, or mounted to

an inside wall of the enclosure. It sends low-frequency sounds to the woofer, high-frequency sounds to the tweeter and, if applicable, mid-frequency

sounds to the midrange driver. Make sure all wires are secure and connected. Look for components on the network that look burnt, “bulged,”

or abnormal. If everything looks normal, connect the network to the drivers from another matching loudspeaker. MAKE SURE you attach the

correct wires to each driver – mid- and low-frequency sounds can damage the tweeter! If there is still no sound or distorted sound, the network

is defective. If there is clean undistorted sound, the drivers are defective.

Problem 2: No sound or distorted sound from one or more (but not all) drivers in an enclosure

Remove the problem driver(s) from the enclosure and make sure all wires are secure and connected. If they are, proceed with the following test:

Woofer or midrange driver –Connect the driver’s + and – input terminals directly to the loudspeaker wires from your receiver/amplifier and play

some music at a reasonable volume. If the driver now sounds normal (produces a clean, undistorted sound), the network is most likely defective.

Tweeter –Replace the tweeter with a functioning tweeter from another loudspeaker. If the tweeter now functions normally (produces clean,

undistorted sound), the original tweeter is defective. If the replacement tweeter also sounds distorted or produces no sound, the network is

most likely defective.

Problem 3: Loudspeakers distort, rattle or pop at higher volumes

This is usually NOT a loudspeaker problem. Common causes are too much power (playing the loudspeakers too loud and causing themto distort),

an amplifier with not enough power (the amplifier can’t produce the required volume without distorting), excessive equalization(turning the tone

controls too far clockwise, and/or engaging the loudness/bass boost button on your receiver) or some combination of the above. If only one

loudspeaker is exhibiting the problem, and you’re confident that it’s not caused by too little power/too much power/excessive equalization, see

solutions for Problems 1 and 2.

ITEM NO.DESCRIPTIONQTY.PART NO.

1.Complete Center Speaker, Charcoal1MODCTRCHAR

Complete Center Speaker, Platinum1MODCTRPLAT

2.Woofer for Modulus Center2MODCTRWFR or

336545-002

3.Network1MODCTRNET

4.Tweeter1MODSATTWT or

336417-001

5.Right trim panel for Center1MODCTRPLATE-R

6.Grille, complete with cloth, Charcoal1MODCTRGRCHAR

Grille, complete with cloth, Platinum1MODCTRGRPLAT

7.Logo for Modulus Center1MODCTRLOGO

(Charcoal)

ITEM NO.DESCRIPTIONQTY.PART NO.

8.Grille cup, Platinum7MODSATGCUPPLAT

Grille cup, Charcoal7MODSATGCUP or

336880-002

9.Left trim panel for Center1MODCTRPLATE-L

10.Red binding post1MODSATBP-R

11.Black binding post1MODSATBP-B

12.Owner’s Manual1336782-001

13.Survey Card1335868-002

14.Warranty Card1335841-001

15.Rubber pad, Right1MODCTRRPADR

16.Rubber pad, Left1MODCTRRPADL

17.Rubber hook1MODCTRRHOOK

TO SERVICE THE MODULUS MCC-1 CENTER

1.Remove the grille.

2.Remove the (7) exposed rubber grille retainers;this can be

accomplished by carefully pulling them out of their cavities with

long-nosed pliers or similar tool.

3.Remove the (7) Phillips screws that are now exposed.

4.Four additional screws lie underneath the two front trim panels;

these can be carefully removed by applying a blow dryer (high or

maximum) or heat gun to the trim panels.Take care not to direct

the gun directly at the woofer or tweeter;do not burn yourself after

each panel has been heated – gloves are recommended.

See illustration.

If either trim panel is damaged upon removal, order:

part# MODCTRPLATE-L – Left Trim Panel

part# MODCTRPLATE-R – Right Trim Panel

5.Remove the (4) additional Phillips screws that are now exposed.

6.Carefully lift the front baffle, with drivers attached, off the cabinet.

7.Reassembly:Adhesive already in place, if encrusted on the front

baffle, must be removed by scraping it off as it may prevent the

trim panel from sitting flush on the front baffle.New adhesive

must be added to reattach the trim panel.

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