Instruction/ maintenance manual of the product CX-7 Lexicon
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LX Po wer Amplif ier User Guide CX Po wer Amplif ier User Guide.
IMPOR T ANT SAFETY INSTR UCTIONS 1) Read these instructions. 2) K eep these instructions. 3) Heed all warnings. 4) Follo w all instructions. 5) Do not use this apparatus near water . 6) Clean only with a dr y cloth. 7) In CE countries, this amplifier is considered “prof essional equipment.
DOCUMENT A TION CONVENTIONS This document contains general saf ety , installation, and operating instructions for the CX-7 and CX-5 P ower Amplifiers. It is im por tant to read this user guide before attempting to use these products . Pa y par ticular attention to safety instructions.
ii Introduction Lexicon Introduction Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . .iii Auspackend und Inspektion . . . . . . . . . . . . . . . . . . . . .iii Desempaquetando e Inspección . . . . . . . . . . . . . . . . . .iii Déballer et Inspectión .
iii Introduction CX Power Amplifiers UNP ACKING AND INSPECTION After unpacking the unit, save all packing materials in case the unit ever needs to be shipped. Thoroughly inspect the modules and packing materials for signs of damage. Report any damage to the carrier at once; report equipment malfunction to the dealer .
1 Getting Started About the CX Power Amplifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Highlights Product Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Getting Started Lexicon 1-2 ABOUT THE CX POWER AMPLIFIERS Thank you for purchasing a CX Power Amplifier , a reference-quali- ty amplifier , which is based on the award-winning LX amplifier and is designed to meet the highest standards of power and perform- ance under even the most extreme operating conditions.
PRODUCT REGISTRA TION Please register the CX Power Amplifier within 15 days of purchase. To do so, register online at www .harmanspecialtygroup.com or complete and return the product registration card attached to the back cover of this user guide. The product registration card serves no warranty purposes.
2 Basic Operation Front Panel Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Rear Panel Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Operation Lexicon 2-2 FRONT P ANEL OVERVIEW 1 1. Standby Button Activates and deactivates standby mode when the CX amplifi- er is powered on with the rear panel power switch.
Basic Operation CX Power Amplifiers 2-3 1 2 2. Channel Status LEDs Provide an at-a-glance view of the status of each channel as indicated in the table below: Note: When the main power transformer temp.
Basic Operation Lexicon 2-4 REAR P ANEL OVERVIEW The CX-7 rear panel is shown above. The CX-5 r ear panel is shown on page 2-6. The rear panels ar e similar , except the CX-7 amplifier includes two additional channels.
. . . continued on page 2-7 Basic Operation CX Power Amplifiers 2-5 1. Power Switch Disconnects power to the AC Input Connector . Set this switch to off when making or breaking connections to the amplifier . 2. AC Input Connector The AC input connector provides power to the unit with the supplied power cord (3 conductor , 14AWG).
Basic Operation Lexicon 2-6 REAR P ANEL OVERVIEW (continued) The CX-5 rear panel is shown above. The CX-7 r ear panel is shown on page 2-4. Both are similar , except the CX-7 features two additional channels.
Basic Operation CX Power Amplifiers 2-7 . . . continued from page 2-5 5. UNBAL/BAL Switch Selects between unbalanced (RCA) or balanced (XLR) audio input for each channel. Power the amplifier off or reduce sys- tem volume before changing the setting of the UNBAL/BAL switch.
Basic Operation Lexicon 2-8 PROTECTION MODES The CX amplifiers are equipped to protect against overheating and miswiring, as well as electrical failures such as short circuits, device failures, internal faults, and DC output to the speakers.
3 Tr oubleshooting & Maintenance T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T roubleshooting & Maintenance Lexicon 3-2 TROUBLESHOOTING No front panel LEDs are lit. 1. Make sure the unit is plugged in and the rear panel power switch is set to on. The red Standby LED is flashing rapidly . 1. Power the amplifier off. Allow the amplifier to cool before powering it on again.
Tr oubleshooting & Maintenance CX Power Amplifiers 3-3 Note: V isit www .harmanspecialtygroup.com for answers to frequently asked questions and additional trou- bleshooting information.
A Appendix Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . .
Audio Output Connectors Audio Input Connectors Other 140W at 8 Ω , all channels driven 20Hz to 20kHz Appendix Lexicon A-2 SPECIFICA TIONS 7 RCA, 7 XLR 5 RCA, 5 XLR CX-7 CX-7 CX-5 CX-5 7 pairs of gol.
Appendix CX Power Amplifiers A-3 Application of Council Directive(s): 89/336/EEC and 93/68/EEC Standard(s) to which Conformity is Declared: EN 55103-1:1995, EN 61000-3-3:1995, EN 55022:1992 (Class B),.
Index I AC Input Connector . . . . . . . . . . . . . . . . . . . . . . .2-5 AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7 BAL/UNBAL Switch . . . . . . . . . . . . . . . . .2-5, 2-7, 3-2 Channel Status LEDs . . . . . . . . .2-2, 2-3, 2-8, 2-9, 3-2 Connectors .
Harman Specialty Group 3 Oak P ark Bedford, MA 01730-1413 USA Te l 781-280-0300 Fa x 781-280-0490 www .har manspecialty group.com Customer Support Te l 781-280-0300 Fa x 781-280-0495 (Sales) Fa x 781-.
PRODUCT REGISTRA TION HARMAN SPECIAL TY GROUP 3 O AK P ARK BEDFORD MA 01730-9863 POST AGE WILL BE P AID BY ADDRESSEE FIRST -CLASS MAIL PERMIT NO . 67 BEDFORD MA NO POST AGE NECESSAR Y IF MAILED IN THE UNITED ST A TES BUSINESS REPL Y MAIL Harman Specialty Group 3 Oak Park Bedford, MA 01730-1413 USA Te l 781-280-0300 Fa x 781-280-0490 www .
An important point after buying a device Lexicon CX-7 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lexicon CX-7 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lexicon CX-7 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lexicon CX-7 you will learn all the available features of the product, as well as information on its operation. The information that you get Lexicon CX-7 will certainly help you make a decision on the purchase.
If you already are a holder of Lexicon CX-7, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lexicon CX-7.
However, one of the most important roles played by the user manual is to help in solving problems with Lexicon CX-7. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lexicon CX-7 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
