We are backlogged and do not accept new repairs untill February 1, 2025. Please check later.
Adcom Audio Amplifier and Preamplifier Repair Services
We service and repair Adcom products many years and have good knowledge and big experience on all Adcom product line
starting from Adcom GFA-1A amplifier GFP-1 preamp up to Adcom GFR-700HD GTP-870HD receivers.
The service will cover any repair of Adcom ACE 515 AC enhancer.
Typical problems:
- no power
- wrong turn on off sequence
...
The repair service covers anu repair of Adcom ACE-615 AC enhancer....
The service will cover any repair of Adcom GCD-575 CD player.
Typical problems:
- NO DISK message
- track skipping...
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
...
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
...
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
...
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
...
The repair service will cover any repair of the Adcom GDV-850 Player.
No video
No audio
Track skipping
Bad DVD mechanism
...
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....
The repair service covers any repair of Adcom GFA-2535 power amplifier....
Any repair of unit - dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
The flat rate repair service will cover any repair of Adcom GFA-5006 amplifier board....
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....
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....
The service covers any repair of unit - dead channel, distortion, thumb, protection, thermal protection, overheating, output DC voltage, broken binding posts, input RCA connectors....
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....
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....
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...
The Repair Service covers any repair of Adcom GFA-5503 power amplifier.
overheating
thermal protection
distortion
sound cuts on off
blowing rail fuses
...
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
...
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 ...
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...
The servirce covers Adcom GFA-565 power amplifier voltage convertion from 110 volts to 220 volts or back....
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...
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...
The repair service will cover any repair of channel board for Adcom GFA-5802 power amplifier....
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...
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....
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.
...
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.
...
The repair service covers any repair of amplifier module for Adcom GFA-7400 power amplifier.
60 days warranty
...
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....
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.
...
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....
The repair service will cover any repair of channel board for Adcom GFA-7605 power amplifier....
The Repair Service covers any repair of Adcom GFA-7700 GFA-77xx series channel module (pcb)....
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
...
The repair service will cover any repair of channel board for Adcom GFA-7805 power amplifier....
The repair service will cover any repair of channel board for Adcom GFA-7807 power amplifier....
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...
The Repair Service covers any repair of Adcom GFA-6006 channel module...
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
...
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.
...
The repair serice will cover any repair of Adcom GFP750 preamplifier except volume control problem. Volume control for this unit is not available. ...
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...
The service covers any repair of an Adcom GSA-700 amplifier.
no power
no sound
bad channel
static, pops
...
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....
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....
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.
...
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...
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...
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....
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...
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...
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.
...
The Repair Service covers a repair of Adcom GTP-870 GTP-870HD receiver with following problems:
no standby, no power
powers up with I2C 12C error
powers up with E01 error
powers up with E02 error
switches inputs by itself or stuck on an input
switches surround modes by itself
volume control p...
Out of warranty units only. All repairs are performed to factory specifications with genuine ADCOM replacement parts.