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Troubleshooting
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Summary of Contents for Lexicon ZX-7
- Page 1 ZX-7 / RX-7 Power Amplifier User Guide...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with a dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or another apparatus (including amplifiers) that produces heat. - Page 3 781-280-0490 www.hsgav.com Customer Service Telephone: 781-280-0300 Lexicon and the Lexicon logo are registered trademarks of Harman International Industries, Inc. U.S. Patent Nos. D454,553; Fax: 781-280-0499 D454,860; 5,796,844; 5,870,480 and other worldwide patents issued and pending. email: csupport@hsgav.com © 2007 Harman International Industries, Incorporated. All rights reserved.
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Page 4: Documentation Conventions
Introduction DOCUMENTATION CONVENTIONS This document contains general safety, installation and operation instructions for the RX-7 and ZX-7 Power Amplifiers. It is important to read this user guide before attempting to use the product. Pay particular attention to safety instructions. The following symbols are used in the document:... -
Page 5: Table Of Contents
ZX-7 / RX-7 Table of Contents Getting Started About The ZX-7 and RX-7 ... 1-2 Product Registration ... 1-2 Highlights ... 1-3 Installation Considerations... 1-3 Basic Operation Front-Panel Overview ... 2-2 Standby Button ... 2-3 Rear-Panel ZX-7 230 VAC Overview ... 2-4 Rear-Panel ZX-7 120 VAC Overview ... -
Page 7: About The Zx-7 And Rx-7
Getting Started About The ZX-7 and RX-7 ... 1-2 Product Registration ... 1-2 Highlights ... 1-3 Installation Considerations... 1-3... -
Page 8: Getting Started
The ZX-7 delivers 300 Watts per channel into 8 Ohms, while the RX-7 delivers 200 Watts per channel into 8 Ohms. Equipped with gold-plated speaker output connectors, the rear panel includes balanced or unbalanced audio input via RCA and XLR connectors. -
Page 9: Highlights
ZX-7/RX-7 on a solid, flat, level surface such as a table or shelf. The ZX-7/RX-7 can also be installed in a standard 19-inch equipment rack using an optional rack-mount kit available from an authorized Lexicon dealer. -
Page 11: Basic Operation
Front-Panel Overview ... 2-2 Standby Button ... 2-3 Rear-Panel ZX-7 230 VAC Overview ... 2-4 Rear-Panel ZX-7 120 VAC Overview ... 2-5 Rear-Panel RX-7 Overview ... 2-6 Power Control Connections ... 2-9 Remote Trigger Power On ... 2-9 Remote Power On with External AC to DC Power Converter ... 2-10 Power Connection Safety ... -
Page 12: Front-Panel Overview
Basic Operation Lexicon FRONT-PANEL OVERVIEW The ZX-7 front panel is shown below. The RX-7 front panel is shown on page 2-3. The standby button (1) is the only front-panel control on both amplifier models. Standby/On Button... -
Page 13: Standby Button
LED is blue. Note: When the status of the ZX-7/RX-7 changes or is powered up, there may be a delay in audio output and relay clicks may be audible. This is normal operation. Standby/On Button... -
Page 14: Rear-Panel Zx-7 230 Vac Overview
Basic Operation REAR-PANEL ZX-7 230 VAC OVERVIEW The ZX-7 230 VAC rear panel is shown below. The ZX-7 120 VAC rear panel is shown on page 2-5. The numbers in the rear-panel illustrations correspond with the numbered description items. RIGHT... -
Page 15: Rear-Panel Zx-7 120 Vac Overview
ZX-7/RX-7 REAR-PANEL ZX-7 120 VAC OVERVIEW RIGHT RIGHT SIDE PUSH PUSH ZX-7 — — RIGHT RIGHT SIDE 1. Unbalanced Input Connectors 2. XLR Balanced Input Connectors 3. Chassis Ground 4. Remote Trigger INPUTS RIGHT REAR CENTER LEFT REAR PUSH PUSH... -
Page 16: Rear-Panel Rx-7 Overview
Basic Operation REAR-PANEL RX-7 OVERVIEW RIGHT RIGHT SIDE PUSH PUSH RX-7 LEXICON DESIGNED AND ASSEMBLED IN U.S.A. SERIAL NO. — — RIGHT RIGHT SIDE 1. Unbalanced Input Connectors 2. XLR Balanced Input Connectors 3. Chassis Ground 4. Remote Trigger INPUTS... - Page 17 Your power amplifier is supplied with a heavy-duty magnetic circuit breaker. With the ZX-7 120V AC unit, there are 2 heavy duty magnetic circuit breakers. If power to the amplifier is interrupted, inspect the circuit breaker on the rear of the unit. If the circuit...
- Page 18 The 120 VAC version of the RX-7 is supplied with a 20 Amp power cord with a NEMA-5-20P plug on one end. The 120 VAC version of the ZX-7 is supplied with a two 15 Amp power cords with standard NEMA-5-15P plugs on one end. The NEMA 5-20P power cord has a different prong configuration than the average typical 15A household plug.
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Page 19: Power Control Connections
ZX-7/RX-7 POWER CONTROL CONNECTIONS The ZX-7/RX-7 features a built-in remote power-on system that will automatically switch the amplifier on when another device in the system is switched on. REMOTE TRIGGER POWER ON How to make connections for remote power-on using components equipped with a DC trigger jack: Using an accessory cable with a 1/8”... -
Page 20: Remote Power On With External Ac To Dc Power Converter
To control the ZX-7/RX-7 in this instance, a small AC to DC power converter capable of delivering a 3.3V DC minimum to 24V DC maximum signal is required. -
Page 21: Protection Mode
1. Immediately power off the unit with the rear panel master power switches and disconnect all AC power cords. 2. Examine all speaker connections to ensure there are no shorts. Power on the ZX-7/RX-7. If the unit remains in a muted state, contact Lexicon customer service for assistance. 2-11... -
Page 23: Troubleshooting & Maintenance
Troubleshooting & Maintenance Troubleshooting...3-2 Maintenance...3-3... -
Page 24: Troubleshooting
If this eliminates the humming sound, a ground loop isolation device is required. Contact your dealer or cable provider for assistance. 2. Disconnect components one at a time to isolate the problem. Once the problem is identified, make sure the associated Lexicon... -
Page 25: Maintenance
2. Contact Lexicon Customer Service at 781-280-0300 3. Visit www.lexicon.com for frequently asked questions and additional troubleshooting information. Note: Visit the knowledge base at http://www.lexicon.com/kbase for answers to frequently asked questions and additional troubleshooting information. Troubleshooting & Maintenance MAINTENANCE Routine maintenance should be performed on a periodic basis. -
Page 27: Appendix
Appendix Specifications ... A-2 Declaration of Conformity... A-3... -
Page 28: Specifications
ZX-7 8.7 inches (221mm) (without feet) RX-7 7.95 inches (202mm) (with feet) RX-7 6.95 inches (177mm) (without feet) Width ZX-7 and RX-7 17.3 inches (439mm) Depth ZX-7 20.3 inches (516mm) (Overall with Handles) RX-7 18.5 inches (470mm) (Overall with Handles) Lexicon... -
Page 29: Declaration Of Conformity
Bedford, MA 01730-1413 USA The equipment identified here conforms to the Directive(s) and Standard(s) specified above. Type of Equipment: Power Amplifier Model: Lexicon ZX-7 and RX-7 Date: March 2007 Harman Specialty Group Vice President of Engineering 3 Oak Park Drive... -
Page 31: Limited Warranty
United States, its reinstalling the unit. Lexicon’s liability is limited to the repair territories, and Canada and does not apply to products or replacement, at our option, of any defective product and purchased elsewhere. - Page 32 A Harman International Company Part No. 070-18130 | Rev 0...
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