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RETURNING YOUR PRODUCT FOR SERVICE 

Returning a product to LDG is easy. We do not require a return merchandise authorization. 

Visit the Customer Support Center and download the LDG Product Repair Form. On the Repair 
Form tell the LDG technicians exactly what happened or didn’t happen and why you believe the 
product needs servicing. The technician attempts to duplicate the problem(s) you had based on how 
well you describe it so take the time to be accurate and complete.  

Ask your shipper for a tracking number or a delivery verification receipt. This way you know the 

product arrived safely at LDG. Be sure to give us your email address so our shipper can alert you 
online when your product is en-route back to you. We regret that we are not staffed to provide 
periodic updates on the status of repairs. We can only indicate the repair is in process until it ships 
back to you. Please be assured that our staff makes every effort to complete repairs ahead of our 
published wait time. Your patience is appreciated.  

Repairs can take six to eight weeks, but are usually faster than this. The most recent information 

on returning products for service is found at the LDG Customer Support Center.  

Mail your carefully packaged repair with the Repair Form to: 

 

LDG Electronics, Inc. 

Attn: Repair Department 

1445 Parran Rd 

St. Leonard, MD 20685 

 

PRODUCT FEEDBACK 

We encourage product feedback! Tell us what you really think of your LDG product. In a card, 

letter, or email (preferred) tell us how you used the product and how well it worked in your 
application. Send along a photo or even a schematic or drawing to illustrate your narrative. We like 
to share your comments with our staff, our dealers, and even other customers at the LDG website.  

 

http://www.ldgelectronics.com

 

 

 

 

 

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Содержание ALK-2

Страница 1: ...S MANUAL MANUAL REV A PAGE 1 LDG Electronics 1445 Parran Road St Leonard MD 20685 2903 USA Phone 410 586 2177 Fax 410 586 8475 ldg ldgelectronics com www ldgelectronics com LDG ALK 2 Two Port Audio Li...

Страница 2: ...g to know your ALK 2 4 Front Panel 4 Rear Panel 5 Pinouts 5 Block Diagram 6 Installation 7 Operation 7 Desktop Local Operation 7 Remote Operation 7 Application Information 7 Examples 7 Technical Suppo...

Страница 3: ...s home stereo audio iambic paddles straight keys linear amplifier control cables headphone audio etc 2 Connect at 12 volt power supply capable of supplying 100 mA to the 2 5 x 5 5 mm coaxial power jac...

Страница 4: ...e at least twice the length of the longest antenna transmission line or support dimension GETTING TO KNOW YOUR ALK 2 Your ALK 2 is a quality precision instrument that will give you many years of outst...

Страница 5: ...dustry standard convention for color coding The red jacks connect to the 1 8 jack s right audio channel and the white RCA jacks connect to the 1 8 jack s left audio channel One port is a common port a...

Страница 6: ...PAGE 6 For each of the three ports Port 1 Port 2 and Common the 1 8 stereo jack pinout is as follows BLOCK DIAGRAM The following is a block diagram of the ALK 2...

Страница 7: ...mode This mode uses the fact that the ALK 2 relays are non latching relays and will revert to their normally closed position when no power is applied To use remote mode push the pushbutton so that it...

Страница 8: ...Dealers also ready to help you make that purchase decision TWO YEAR TRANSFERRABLE WARRANTY Your product is warranted against manufacturer defects in parts and labor for two full years from the date o...

Страница 9: ...on the status of repairs We can only indicate the repair is in process until it ships back to you Please be assured that our staff makes every effort to complete repairs ahead of our published wait t...

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