We are backlogged and do not accept new repairs untill June 1, 2025. Please check later.
Adcom Audio Amplifier and Preamplifier Repair Services

Adcom ACE 515 AC enhancer Repair Service
The service will cover any repair of Adcom ACE 515 AC enhancer. Typical problems: - no power - wrong turn on off sequence ...
Adcom ACE-615 AC enhancer Repair Service
The repair service covers anu repair of Adcom ACE-615 AC enhancer....
Adcom GCD-575 Repair Service
The service will cover any repair of Adcom GCD-575 CD player. Typical problems: - NO DISK message - track skipping...
Adcom GCD-600 Repair Service
The repair service covers any repair of an Adcom GCD-600 CD player. Typical problems: No power Drawer doesn't open/close Carousel mechanism noise No audio one/both channels Static, distortion in audio Display problems Track skipping Weak laser pickup head ...
Adcom GCD-700 CD player Repair Service
The repair service covers any repair of an Adcom GCD-700 CD player. Typical problems: No power Drawer doesn't open/close Carousel mechanism noise No audio one/both channels Static, distortion in audio Display problems Track skipping Weak laser pickup head ...
Adcom GCD-750 CD player Repair Service
The repair service covers any repair of an Adcom GCD-750 CD player. Typical problems: No power Drawer doesn't open/close No audio one/both channels Static, distortion in audio Display problems Track skipping Weak laser pickup head ...
Adcom GDA-700 Repair Service
The Repair Service covers a repair of Adcom GDA-700 digital to analog converter with one of the problems: No power No output Sound distortion ...
Adcom GDV-850 Repair Service
The repair service will cover any repair of the Adcom GDV-850 Player. No video No audio Track skipping Bad DVD mechanism ...
Adcom GDV-870 Repair Service
The repair service covers any repair of an Adcom GDV-870 dvd player. Typical problems: No power, dead unit No display Has video but no sound Track skipping 60 days service warranty....
Adcom GFA-2535 Repair Service
The repair service covers any repair of Adcom GFA-2535 power amplifier....
Adcom GFA-5002 Repair Service
Any repair of unit - dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-5006 Amplifier Board Repair Service
The flat rate repair service will cover any repair of Adcom GFA-5006 amplifier board....
Adcom GFA-5006 Power Amplifier Repair Service
The Repair Service covers any repair of unit - dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts or input RCA connectors....
Adcom GFA-5300 Repair Service
The Repair Service covers any repair of the unit - dead channel, distortion, hum, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-535 Repair Service
The service covers any repair of unit - dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-5400 Repair Service
The repair service covers any repair of the unit - dead channel, distortion, turn on/off thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-545 Repair Service
The Repair Service covers any repair of the unit - dead channel, distortion, turn on off thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-5500 Repair Service
The service covers any repair of GFA-5500 power amplifier - dead channel, distortion, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors, etc...
Adcom GFA-5503 Repair Service
The Repair Service covers any repair of Adcom GFA-5503 power amplifier. overheating thermal protection distortion sound cuts on off blowing rail fuses ...
Adcom GFA-555 GFA-555II Repair Service
The service covers any repair of your GFA-555 dead channel distortion on/off thumbs protection thermal protection, overheating output DC voltage broken binding posts/ input RCA connectors ...
Adcom GFA-565 Repair Service
The Repair Service covers ANY repair of ONE Adcom GFA-565 power amplifier. GFA-565 is excellent power amplifier, but after 20years your amp may need a service or repair. Bad capacitor (click image to enlarge) Corroded board (Click image to enlarge) Huge corrosion (click image ...
Adcom GFA-565 2pcs Repair Service
The Repair Service covers ANY repair of TWO Adcom GFA-565 power amplifiers. GFA-565 is excellent power amplifier, but after 20years your amp may need a service or repair. Bad capacitor (click image to enlarge) Corroded board (Click image to enlarge) Huge corrosion (click image...
Adcom GFA-565 voltage convertion Repair Service
The servirce covers Adcom GFA-565 power amplifier voltage convertion from 110 volts to 220 volts or back....
Adcom GFA-5800 Repair Service
The service covers a repair of the power amplifier - dead channel, distortion, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors, etc * see some exceptions below...
Adcom GFA-5802 Repair Service
The service covers any repair of the power amplifier. Typical problems: - dead channel, distortion, protection, thermal protection, overheating, output DC voltage, broken binding posts or input RCA connectors, low bass responce, oscillation, etc...
Adcom GFA-5802 channel board Repair Service
The repair service will cover any repair of channel board for Adcom GFA-5802 power amplifier....
Adcom GFA-585 Repair Service
The Repair Service covers ANY repair of the Adcom GFA-585 power amplifier. GFA-585s are excellent power amplifiers, but over the years your amp may need a service or repair. There can be several problems in the amp but most of GFA-585s have problem with leaky electrolityc capacitors. Bad cap...
Adcom GFA-6000 Repair Service
Regular repair of Adcom GFA-6000 power amplifier - dead channel, distortion, thumb, protection, thermal protection, overheating, bias adjusting, output DC voltage, broken binding posts, input RCA connectors....
Adcom GFA-6006 power amplifier Repair Service
This service covers any repair of the unit. Usual symptoms: dead channel, distortion, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors. ...
Adcom GFA-7000 Repair Service
The repair service covers any repair of Adcom GFA-7000 power amplifier. Symptoms: dead channel, distortion, thumb, protection, thermal protection, overheating, bias adjusting, output DC voltage, broken binding posts, input RCA connectors. ...
Adcom GFA-7400 amplifier module Repair Service
The repair service covers any repair of amplifier module for Adcom GFA-7400 power amplifier. 60 days warranty ...
Adcom GFA-7500 channel module Repair Service
The repair service will cover any repair of channel board for Adcom GFA-7500 power amplifier. Fire damaged, water damaged, DIY boards, boards with missing parts are not accepted for this service....
Adcom GFA-7500 power amplifier Repair Service
This service covers any repair of Adcom GFA-7500 power amplifier. Covered problems: dead channel(s), distortion, thumb, protection, thermal protection, overheating, bias adjusting, output DC voltage, broken binding posts, input RCA connectors. ...
Adcom GFA-7605 GFA-7607 Repair Service
The Repair Service covers ANY repair of GFA-7605 GFA-7607 power amplifier- dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, broken input RCA connectors....
Adcom GFA-7605 GFA-7607 channel board Repair Service
The repair service will cover any repair of channel board for Adcom GFA-7605 power amplifier....
Adcom GFA-7700 channel board Repair Service
The Repair Service covers any repair of Adcom GFA-7700 GFA-77xx series channel module (pcb)....
Adcom GFA-7805 Repair Service
The repair service covers any repair of the Adcom GFA-7805 power amplifier. Typical problems: dead channel(s), distortion, protection, all protection LEDs are on, no sound thermal protection, overheating, output DC voltage, broken binding posts, input connectors hum without input signal ...
Adcom GFA-7805 channel board Repair Service
The repair service will cover any repair of channel board for Adcom GFA-7805 power amplifier....
Adcom GFA-7807 channel board Repair Service
The repair service will cover any repair of channel board for Adcom GFA-7807 power amplifier....
Adcom GFA-7807 power amplifier Repair Service
The repair service will cover any repair of Adcom GFA-7807 power amplifier. Typical problems: dead channel(s), distortion, protection, all protection LEDs are on, no sound thermal protection, overheating, output DC voltage, broken binding posts, input connectors hum without input signa...
Adcom GFA6006 channel module Repair Service
The Repair Service covers any repair of Adcom GFA-6006 channel module...
Adcom GFP-555 Repair Service
The Repair Service covers any repair of Adcom GFP-555 receiver. Typical symptoms: No power No output from a channel POPs, distortion 90 days warranty ...
Adcom GFP-565 Repair Service
The service covers any repair of GFP-565 preamplifier. Symptoms: bad channel, bad volume tone switching control, bad mode switches, pops, distortions, no power, turns off by itself, static, input problems, etc. ...
Adcom GFP-750 Repair Service
The repair serice will cover any repair of Adcom GFP750 preamplifier except volume control problem. Volume control for this unit is not available. ...
Adcom GFR-700 GFR-700HD Repair Service
The Repair Service covers any repair of Adcom GFR-700 GFR-700HD receiver with following problems: no standby, no power standby, no power powers up with I2C 12C error powers up with E01 or E02 error switches inputs by itself switches surround modes by itself the unit stucks on an input volu...
Adcom GSA-700 Repair Service
The service covers any repair of an Adcom GSA-700 amplifier. no power no sound bad channel static, pops ...
Adcom GSP-560 Repair Service
The repair service will cover a repair of the unit with following symptoms: no sound in a channel intermittently no sound protection, thermal protection broken binding posts broken input connectors Will not cover video problems....
Adcom GTP-400 Repair Service
The service covers any repair of Adcom GTP-400 tuner preamplifier.Typical problems: bad channel, bad volume tone switching controls, bad mode switches, pops, distortions, no power, turns off by itself, static, tuner problem no FM etc....
Adcom GTP-450 Repair Service
The service covers any repair of GTP-450. Symptoms: bad channel, volume, tone control problems listening, recording switches problems locked keys pops, distortions, no power, turns on off by itself, static, tuner problem, no FM etc. ...
Adcom GTP-500 Repair Service
The service will cover any repair of Adcom GTP-500 or GTP-500II preamplifier. Symptoms: tuner doesn't work or intermittently doesn't work or stops to work after few minutes, no FM no sound, no sound in one channel no power shuts down by itself pops when you switch record or listen input di...
Adcom GTP-550 GTP-600 Repair Service
The service covers a repair of Adcom GTP-550 GTP-600 preamplifier with following problems: - dead unit, - dead channel, - distortion, - broken input RCA connectors, - display problems, - video problems, - volume and other controls problem. The service includes diagnosing and repair of the un...
Adcom GTP-740 750 Repair Service
Regular repair of Adcom GTP-740 GTP-750 preamplifier - dead unit, dead channel, distortion, thumb, broken input RCA connectors, dim dark display, video problems, volume and other controls problem....
Adcom GTP-760 Repair Service
The repair service covers any repair of Adcom GTP-760 receiver. Typical problem: Dead unit, no lights, no display stanby LED is on, no display, no sound no audio in one or more channels volume control works but volume is not adjustable distorted video, dark horizontal lines on the screen, dist...
Adcom GTP-860 880 dark display Repair Service
The service will cover typical problem for GTP-860 GTP-880 - dark display. The problem: Some of the units have a design problem and a filament of the display is always heated, even the unit is in standby mode. It causes fast degradation of the display and diminished brightness. We replace bad dis...
Adcom GTP-860 GTP-860II Repair Service
The repair service covers any repair of Adcom GTP-860 receiver. Typical problems: No power, Dark display, No audio, missing channel, The unit switches inputs by itself. The unit or front panel locks by itself. ...