User manual ADCOM GFP-750

[. . . ] Perhaps Audio Magazine said it best: "No competing company I know can provide a similar balance of sound quality, power and affordability. " AWARD WINNING Innovation is our stronghold, and our numerous awards year after year prove that we're never satisfied to rest on our reputation. From our legendary high current amplifiers to our state-of-theart digital processors, Adcom components consistently impress even the most demanding audiences. Adcom components have won over 25 Product of the Year and Special Recognition citations from Audio Video International, 3 Diapason D'Or Awards, 7 Consumer Electronics Show Design and Engineering Awards, and have appeared on Stereophile's "Recommended Components" lists over 70 times since 1988. A reputation worth its weight in gold. ENGINEERING PASSION Every Adcom component is not only designed to reproduce the highest quality sound and picture, but to also deliver the greatest possible value. [. . . ] Refer all servicing to qualified service personnel. The unit must be connected to a power supply only of the type and voltage specified on the rear panel. Connect the component to the power outlet only with the supplied power supply cable or an exact equivalent. Do not defeat grounding and/or polarization provisions. The cable should be connected to a 3-pin polarized wall outlet, matching the wide blade of the plug to the wide slot of the receptacle. Do not route the power cord where it will be crushed, pinched, bent, exposed to heat, or damaged in any way. Pay particular attention to the power cord at the plug and where it exits the back of the unit. The power cord should be unplugged from the wall outlet if the unit is to be left unused for a long period of time. Immediately stop using the component and have it inspected and/or serviced by a qualified service agency if: · the power supply cord or plug has been damaged; · objects have fallen or liquid has been spilled into the unit; · the unit has been exposed to rain; · the unit shows signs of improper operation; or · the unit has been dropped or damaged in any way. Placing the GFP-715 Although the GFP-715 does not generate much heat, it is good practice to ensure the amplifier's long-term, trouble-free operation to provide adequate ventilation for the unit. Therefore, the GFP-715 should be kept away from external sources of heat such as radiators and hot-air ducts. We recommend that you exercise care when placing components on top of the GFP-715. If the fuse blows always ADCOM GFP-715 Owner's Manual | 7 SYMPTOM Power LED does not glow. No sound POSSIBLE REASON AC Power Cord(s) not plugged in. INPUT(s) or OUTPUT(s) connector disconnected or loose. Ground loop (difference in ground voltages between components). Problem with source unit (CD, tape, etc. ), or RCA cable connecting that source unit to the preamp. Some major appliance, dimmer, halogen or fluorescent light is creating interference. POSSIBLE SOLUTION Plug in AC Power Cord(s). Check connection of 12V DC trigger at source. Verify both connections on that channel. If Cable TV is not present (see Note 2). Try different source (tuner, tape, etc. ) and/or different RCA cable. Make sure all appliances, dimmers and suspect lights are off. Power LED glows, but no sound One channel not producing sound Hum from all speakers at any volume Hum from all speakers (hum goes up or down with volume) Hum from the amplifier itself Troubleshooting Use the troubleshooting notes above to solve common situations that don't require professional attention. [. . . ] This warranty gives you specific rights and you may have other rights which vary from state to state. No person, agent, distributor, dealer, or company is authorized to change, modify or extend the terms of these warranties in any manner whatsoever. Your Responsibilities The above warranties are subject to the following conditions: (1) You must retain and present your dated invoice or bill of sale to provide proof of original purchase from an ADCOM Authorized Dealer and coverage under the warranty period. (2) You must notify us within ten (10) days after you discover a defective product or part. (3) All warranty servicing of this product must be done by ADCOM or an authorized ADCOM Service Center. [. . . ]