Legend-audio ATP 7500 User Manual download pdf (Page 17)

Problem Solutions

No sound, Status indicator and display are OFF. Check if AC power cord is securely plugged in.

Check AC power fuse, replace if necessary.

NO sound, Status indicator and display are ON. Check all RCA cables for proper connections.

Verify correct source is selected.

Verify power amplifiers are turned on.

NO remote control function and Status indicator OFF. Press Power button on the front panel.

Verify the Status indicator turns red.

NO remote control function and Status indicator is red. Press AVC button on remote first.

Check to ensure batteries are installed.

Check if the IR receiver path (located inside the display lens)

is blocked by any obstructions.

All functions work except in tuner mode. Check if antenna cables are properly connected.

Audio path works fine but the video signal does not Verify that all video and audio connections correspond to the

correspond to the program source or vice versa. correct source legend on the rear panel.

Replacing the AC Power Fuse

1. Turn the unit off.

2. Disconnect the AC power cord.

3. Slide open the fuse drawer completely.

4. Remove and replace the fuse in the rear compartment.

5. Close fuse drawer completely.

6. Reconnect the AC power cord.

Note: Use fuse type 5 x 20 mm 1.0 Amp fast blow (IEC 127F).

Care and Maintenance

Great care has been taken to ensure that your ATP7500

preamplifier/processor is as flawless in appearance as it is in

performance. The front panel is finished with a high-grade

anodizing process for durability as well as beauty. It is best

cleaned with a soft cloth dampened with a mild solution of

liquid detergent and water, then with a fresh cloth dampened

with clean water. Wipe dry immediately with a dry cloth.

CAUTION: UNDER NO CIRCUMSTANCES SHOULD A LYE

SOLUTION, POWDERED CLEANSER OR ABRASIVE

CLEANER BE USED ON THE UNIT. NEVER SPRAY LIQUIDS

DIRECTLY ON THE UNIT.

Troubleshooting

Your preamplifier/processor is designed for trouble free

operation. If you follow the instructions in this manual you

should enjoy many years of high quality listening enjoyment.

However, as with any sophisticated electronic device, there

may be occasional problems upon initial installation, or

during the life of the unit. The items on the list below are a

brief guide to the minor problems that you may be able to

correct yourself. If these solutions do not rectify a problem,

or if the problem persists, contact us for assistance.

ATI Service Information

In the event that the unit must be returned to the factory, an

RMA (Returned Merchandise Authorization) number must be

requested from Amplifier Technologies, Inc. prior to shipping

the unit to ATI. Under no circumstances should the unit be

shipped to ATI without prior authorization.

Please contact: Amplifier Technologies, Inc.

1749 Chapin Road

Montebello, CA 90640

Phone: 818-343-4777

Email: [email protected]

It is important that you include a note describing the exact

problem you are experiencing with the unit so that our repair

technicians may provide better service. The unit must be sent

freight PREPAID to ATI and we will return it to you on a prepaid

basis as long as a problem was found (continental U.S. only).

In order to assure its safety, use only the original packing

carton. If you no longer have the proper packing materials,

a duplicate set may be ordered for a minimal charge. Always

ship via UPS of other approved carriers and add proper

insurance coverage. Never ship you unit via Parcel Post.

For Future Reference

Model Number______________________________

Serial Number ______________________________

Date of Purchase____________________________

Where Purchased ___________________________

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Legend-audio ATP 7500 User Manual Page 17

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