Manuale d’uso / di manutenzione del prodotto CX-7 del fabbricante 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 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lexicon CX-7 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lexicon CX-7 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lexicon CX-7 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lexicon CX-7 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lexicon CX-7, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lexicon CX-7.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lexicon CX-7. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lexicon CX-7 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
