Adcom GTP-880 owner manual Symptom Possible Reason Possible Solution

Page 49

Symptom

 

Possible Reason

 

Possible Solution

 

 

No sound

 

• Power AC lead unplugged or

 

• Check if AC lead is plugged in

 

 

power not switched on

 

and power switched on

 

 

• Tape Monitor selected

 

• De-select Tape Monitor mode

 

 

• Mute on

 

• Switch off Mute

 

 

• Power Amplifier not on

 

• Turn on the Power Amplifier

 

 

 

 

 

No sound on one channel

 

• Speaker not properly connected

 

• Check connections and speakers

 

 

or damaged.

 

• Check leads and connections

 

 

• Input lead disconnected or

 

• Select appropriate Surround

 

 

damaged

 

mode (large or small)

 

 

• In Setup “OFF” for surround

 

 

 

 

speaker selected

 

 

 

 

 

 

 

No sound on surround channels

 

• No surround mode selected

 

• Select a Surround Mode

 

 

• Mono sound source

 

• Test system with stereo or

 

 

• Speakers not properly

 

Dolby Surround material

 

 

connected

 

• Check speakers and connections

 

 

• Surround volume level too low

 

• Increase surround volume level

 

 

 

 

 

No sound on center channel

 

• In Setup “OFF” for center

 

• Select appropriate Center

 

 

speaker selected

 

mode (large or small)

 

 

• Speaker not connected properly

 

• Check speaker and connection

 

 

• Center volume level set too low

 

• Increase center volume level

 

 

 

 

 

“Dolby Digital” OR “DTS” auto-

 

• Source not connected using

 

• Connect digital output of source

detection function does not work

 

digital input

 

to GTP-880

 

 

• Bit Stream is PCM

 

• Check source material

 

 

 

 

 

Weak bass/diffuse stereo image

 

• Speakers wired out of phase

 

• Check connections to all

 

 

 

 

speakers in the system

 

 

 

 

 

Remote control handset not working

 

• Batteries dead, or incorrectly

 

• Check or replace batteries

 

 

inserted

 

• Remove obstruction

 

 

• IR transmitter or receiver

 

• Place unit away from direct sun,

 

 

windows obstructed

 

reduce amount of ambient light

 

 

• IR receiver in direct sun or very

 

 

 

 

bright ambient light

 

 

 

 

 

 

 

No sound with tuner

 

• Antenna leads incorrectly

 

• Check antenna connections to

 

 

connected

 

preamplifier

 

 

• Station not selected or weak

 

• Re-tune or switch off FM Mute

 

 

signal with FM Mute on.

 

 

 

 

 

 

 

Noise, hiss on AM and FM

 

• Weak signal

 

• Check station tuning. Adjust or

 

 

 

 

replace antenna.

 

 

 

 

 

Distortion on FM

 

• Multi-path signals or interfe-

 

• Check station tuning. Adjust or

 

 

ence from another station

 

replace antenna

 

 

 

 

 

Whistles or buzzes on FM & AM

 

• Interference from other

 

• Check station tuning. Switch off

 

 

electrical sources - computers,

 

or move the source of the

 

 

games consoles

 

electrical noise

 

 

 

 

 

Whistles or buzzes on AM

 

• Interference from fluorescent

 

• Check station tuning. Adjust or

 

 

lighting or electrical motor

 

replace AM antenna

 

 

 

 

 

No RDS name (PS)

 

• Station signal too weak.

 

• Check station tuning. Adjust or

 

 

• Station not transmitting RDS data

 

replace antenna

 

 

 

 

• No remedy

 

 

 

 

 

ADCOM GTP-880 Owner’s Manual 49

Page 48 Page 50
Image 49
Page 48 Page 50
Contents Page Welcome Setup Remote ControlDescription of Unit Outdoor Antenna Grounding Adcom Protection Plan USA only Unpacking the GTP-880Interface Overview Analog Direct Selections Bass & Treble AdjustmentsTo operate the tuner Source Buttons Volume controlSurround Format Information Surround Mode ButtonsAdditional Information Placement of your GTP-880 AC Input Video 2 Component Input Input & Output System ConnectionsMonitor Component Video Output 15 AM/FM Antenna Inputs20 12V DC Trigger main/room Composite Video main OutputRoom 2 Analog Audio Output 23 RS232 Control DB9Main Analog Audio outputs Connecting ComponentsDVD Player External AmplifierOutput jacks supplied by the GTP-880 are Audio Recorder CD PlayerVideo Components Video RecorderVideo Display Satellite Tuner or TelevisionPage Page Page Analog Source GTP-880 Tuner Preamp Connection DiagramConnection Diagram GTP-880 Video Outputs Power Button GRC-810 Remote ControlDirect Access Keypad Main ButtonVolume Up & Down Buttons Remote Features 32 Main ButtonOverview of the GRC-810 Direct Analog Input Buttons Navigation & Select Buttons48 Ch. Trim & FM/AM Button 49 Ch. Cal & Memory ButtonButtons Function CD Function VCR Vunction Video Page Programming Your Own Commands Using Pre Programmed CommandsDeleting Individual Commands Programming the GRC-810 RemoteProgramming Macro Buttons Deleting all the Commands for Every Source ComponentDeleting Macro Initiator Buttons Command GTP-880 Function Commandfront GTP-880 Function Input Configuration Setup OverviewOn Screen Display To turn the GTP-880 onSpeaker Placement Speaker ConfigurationTo configure an input To configure the GTP-880 for your speaker system To set the channel levels for you system Channel Configuration CalibrationTo adjust channel trim from the main menu To set channel levels using the test tone functionChannel Trim To adjust channel trim using the trim function Delay ConfigurationTo set the speaker distance delays for your speakers Sleep Timer Setting the OSD Time OutTo set the sleep timer from the main menu To set the front panel display brightnessPro Logic II and NE06 Music Config Analog Level Input and Peak IndicatorTo turn on theater compensation using the th-eq button Theater CompensationTo adjust the Plii Music Parameters Room Two ConfigurationTo adjust the room two settings To enable/disable Night Mode compensation To lock a specific surround modeDynamic Range Page Installer’s Notes System Reset Resolving ProblemsSymptom Possible Reason Possible Solution Servicing Caring for your GTP-880Preamplifier Analog Section GTP-880 SpecificationAdcom

GTP-880 specifications

The Adcom GTP-880 is a high-performance home theater preamp and processor that has garnered attention for its impressive features and audio quality. Designed for audiophiles and home theater enthusiasts alike, the GTP-880 stands out due to its versatile functionality and advanced technology.

One of the main features of the Adcom GTP-880 is its multi-channel audio processing capability. Supporting formats such as DTS, Dolby Digital, and several others, this preamp ensures that users experience immersive sound in their home theater systems. This cinematic audio experience is complemented by a well-executed surround sound setup, allowing users to achieve the kind of high-fidelity output traditionally found in professional environments.

The GTP-880 is also equipped with a range of inputs and outputs that enhance its versatility. It includes multiple digital inputs - including coaxial and optical options - alongside standard analog inputs. This extensive connectivity makes it easy to integrate various devices from CD players to gaming consoles, ensuring flexibility in how users configure their systems. Moreover, the inclusion of balanced XLR outputs aids in minimizing noise for clearer sound reproduction.

Technologically, the Adcom GTP-880 employs advanced circuitry designs that contribute to its high-performance audio. The use of high-quality components offers not only durability but also superior sound fidelity. It also features a sophisticated user interface that makes navigating options effortless, including customizing sound settings and adjusting levels.

In terms of build quality, the GTP-880 showcases an elegant design that fits seamlessly into most home entertainment setups. Its sturdy construction ensures reliability and longevity, while the sleek appearance makes it a visually appealing component in any audio setup.

Another notable characteristic is the remote control functionality, which adds convenience for users looking to manage their home theater system from a distance. Additionally, the unit provides multiple setup options, catering to different room acoustics and personal preferences.

In summary, the Adcom GTP-880 is a remarkable preamp and processor, marrying advanced audio processing technologies with excellent build quality and flexibility. Its blend of features allows for an unparalleled audio experience, making it an ideal choice for home theater aficionados seeking to elevate their audio experience. Whether it’s for movies, music, or gaming, the GTP-880 stands as a formidable choice in the landscape of home audio equipment.
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