Instruction/ maintenance manual of the product PA640 Xantech
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1 Amplifiers & Preamplifiers INST ALLA TION INSTRUCTIONS P A640 SIX CHANNEL POWER AMPLIFIER.
2 GENERAL INFORMATION To enhance the ease of installation and obtain optimum performance from the PA640, we recommend that you first become familiar with all its features and special capabilities .
3 Amplifiers & Preamplifiers PA640 PANEL DESCRIPTIONS SYLMAR, CA MADE IN U.S.A. POWER REMO TE ON/OFF CH1 CH2 BRIDGED STEREO LEVEL LEVEL LINE INPUTS LINE INPUTS BRIDGED STEREO CH3 CH4 LEVEL CH5 CH6 LINE INPUTS BRIDGED STEREO 1 2 3 4 5 3 4 5 3 4 5 PA640 SIX CHANNEL POWER AMPLIFIER ® 1V .
4 PA640 PANEL DESCRIPTIONS POWER MANUAL ON + – – + CH2 CH1 PROTECTION SPEAKERS + – – + CH6 CH5 PROTECTION + – – + CH4 CH3 PROTECTION SPEAKER IMPED ANCE STEREO MODE: 8 Ohms Min.
5 Amplifiers & Preamplifiers P A640 Aluminum mounting panel (preferred) FINS Fig. 5 Vertical mounting (preferred) Shelf, wall, etc. 3-inch spacing (minimum) P A640 Aluminum mounting panel (preferred) Heat Dissipation Fins Fig.
6 INSTALLER'S NOTES ____________________________________________________________________________ ____________________________________________________________________________ _________________.
7 Amplifiers & Preamplifiers INSTALLATION (cont'd) CONNECTING THE PA640 I When making connections to the PA640 be sure the power cord is unplugged. Proceed as follows: Stereo Mode Connections 1. Using good quality RCA type patch cables, connect the L and R OUTPUT jacks of the driving preamp to the CH1, CH2, etc.
8 CH1 CH2 BRIDGED STEREO LEVEL LINE INPUTS VIDEO AUDIO L R 1 RCA T ype Patch Cords Preamp Outputs ZPR68, etc. P A640 Input Panel P A640 Speakers & AC Panel + – – + CH2 CH1 PROTECTION SPEAKERS + – BRIDGED Be sure speakers are connected with correct polarity as shown.
9 Amplifiers & Preamplifiers PROBLEM 1. Power Indicator does not light – no sound. 2. No sound from CH2, CH4 or CH6 when stereo operation is desired. 3. Sound cuts in and out every 3 to 5 seconds. 4. PA640 does not turn OFF when REMOTE input voltage goes to 0 Volts.
10 Fig. 9 A Multi-Zone System Using Two PA640's 12VDC CONFIRM IR IN POWER +12V G S IR OUT GMM1A CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT .
11 Amplifiers & Preamplifiers P A640 © 1996 Xantech Corporation. All rights reserved. Design and specifications subject to change without notice.
An important point after buying a device Xantech PA640 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Xantech PA640 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 Xantech PA640 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Xantech PA640 you will learn all the available features of the product, as well as information on its operation. The information that you get Xantech PA640 will certainly help you make a decision on the purchase.
If you already are a holder of Xantech PA640, 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 Xantech PA640.
However, one of the most important roles played by the user manual is to help in solving problems with Xantech PA640. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Xantech PA640 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
