Marantz SR7400 manual Troubleshooting, Symptom Cause Remedy

Page 43

ENGLISH

TROUBLESHOOTING

In case of trouble, check the following before calling for service:

1.Are the connections made properly ?

2.Are you operating the unit properly following the user’s guide ?

3.Are the power amplifiers and speaker working properly ?

If the unit does not operate properly, check items shown in the following table.

If your trouble cannot be recovered with the remedy actions listed in the following table, malfunction of the internal circuitry is suspected; immediately unplug the power cable and contact your dealer, nearest Marantz authorized dealer or the Marantz Service Center in your country.

SYMPTOM

CAUSE

REMEDY

 

 

 

SR7400 cannot be turned up.

The power plug is not connected.

Connect the power plug to the outlet.

 

 

 

No sound and picture are

Mute is on.

Cancel mute using the remote control unit.

output even when power is on.

 

 

The input cable is not connected correctly.

See the connection diagram and connect the

 

 

 

cables correctly.

 

 

 

 

The master volume control is turned all

Adjust the master volume.

 

the way down.

 

 

 

 

 

The function selector position is wrong.

Select correct position.

 

 

 

No speaker output.

The headphones are connected to the

Disconnect the headphones. (Speakers will not

 

headphone jack.

output sound when headphones are connected.)

 

 

 

Incorrect Audio or Video for

Input cable connected incorrectly.

Connect the cable correctly by referring to the

selected source.

 

connection diagram.

 

 

 

Incorrect Audio from a channel.

Speaker cable connected incorrectly.

Connect the cable correctly by referring to the

 

 

connection diagram.

 

 

 

No Audio output from the

The center speaker cable connection is

Connect the cable correctly.

center channel speaker.

incomplete.

 

 

STEREO has been selected for Surround

When STEREO is selected for Surround mode, no

 

mode.

sound will be output from the center speaker. Set

 

 

another Surround mode.

 

Center = NONE has been selected in

Make the correct setting.

 

SETUP mode.

 

 

 

 

No Audio output from the

The surround speaker cable connection

Connect the cable correctly.

surround speakers.

is incomplete.

 

 

 

 

 

STEREO has been selected for Surround

When STEREO has been selected for Surround

 

mode.

mode, no sound will be output from the surround

 

 

speaker. Set another Surround mode.

 

 

 

 

Surround = NONE has been selected in

Make the correct setting.

 

SETUP mode.

 

 

 

 

No Audio output from the

The surround back speaker cable

Connect the cable correctly.

surround back speakers.

connection is incomplete.

 

 

Surround mode is not EX/ES mode.

Set surround mode EX/ES.

 

 

 

 

Surround back = NONE has been

Make the correct setting.

 

selected in SPEAKERS SIZE SETUP

 

 

 

 

SYMPTOM

CAUSE

REMEDY

Can not select EX/ES mode.

Surround center= NONE has been

Make the correct setting.

 

selected in SPEAKERS SIZE SETUP

 

 

 

 

 

Input signal is incompatible.

Use 5.1channel source.

 

 

 

Can not select Pro Logic IIx

Input signal is incompatible.

Use 2 channel Dolby Digital input signal, PCM input

mode.

 

signal or analog input signal.

 

 

 

Can not select Neo:6 mode.

Input signal is incompatible.

Use 2 channel Dolby Digital input signal, PCM input

 

 

signal or analog input signal.

 

 

 

Can not select CSII mode.

Input signal is incompatible.

Use 2 channel Dolby Digital input signal, PCM input

 

 

signal or analog input signal.

 

 

 

No output to Sub Woofer Out.

Sub-woofer = NONE has been selected

Select Sub-woofer = YES.

 

in SETUP mode.

 

 

 

 

Noise is produced during DTS-

Analog has been selected for input.

Be sure to perform digital connection, select digital

encoded CD or laser disc play.

 

input, then play.

 

 

 

A specific channel does not

Nothing recorded on source.

Check the encoded channel on the source side.

produce output.

 

 

 

 

 

FM or AM reception fails.

Antenna connection is incomplete.

Correctly connect the indoor FM and AM antennas

 

 

to FM and AM antenna outlets.

Noise is heard during AM

Reception is affected by other electrical

Try changing location where the AM indoor

reception.

fields.

antenna is set up.

 

 

 

Noise is heard during FM

The radio waves from the broadcasting

Install an FM outdoor antenna.

reception.

station are weak.

 

 

 

 

Cannot get programmed

Preset data has been erased.

Disconnecting power plug for long periods of time

station when the PRESET

 

will erase preset data. If that happens, input the

button is pressed.

 

preset data again.

 

 

 

Control with the remote

Batteries are consumed.

Replace all the batteries with new ones.

control unit fails.

 

 

Remote controller's function - key

Select different position from which equipment will

 

 

setting is wrong.

be controlled.

 

 

 

 

The distance between this SR7400 and

Move closer to this SR7400.

 

the remote commander is too far.

 

 

 

 

 

Something is blocking SR7400 and the

Remove offending object.

 

remote commander.

 

 

 

 

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Contents Model SR7400 User Guide Product may fall, causing serious injury to Outlet before cleaning. Do not use liquidCleaners or aerosol cleaners. Use a damp Cloth for cleaningPower Lines An outside antenna system Power-Cord Protection Power-supply cordsProduct during a lightning storm, or when it is Lightning and power-line surgesTable of Contents About Dolby Pro Logic PrecautionsIntroduction DescriptionAccessories FeaturesRemote Controller RC1400 Input Function Selector PCM FL DisplaySBR, C Rear PanelDigital Input Dig.1 6 / Output coaxial, optical When AMP mode is selectedNames and Functions Audio IN/OUT CD, TAPE, CD-R, TV, DVD, VCR1, DSS/VCR2LCD Indicators Loading Batteries Remote Control RangeBattery Replacement Interval Safety Precautions for BatteriesGeneral Information of RC1400 Setting the TimeConnecting Speakers Speaker PlacementConnections Insert the banana plug Connecting Audio ComponentsBanana plug connections are also possible Tighten the knob by turning clockwise and thenComponent jack Connecting Video ComponentsThere are 3 types of video jacks on the rear panel Video jackMD Deck Connecting Multi Channel Audio SourceConnecting AN External Power Amplifier Sacd Multi Channel PlayerConnecting the supplied AM loop antenna Connecting the Antenna TerminalsMultiroom Select the AMP mode on the remote control SetupOn Screen Display Menu System YES Speaker SetupLarge SmallPreference Multi Room SurroundPL II PRO Logic II Music Parameter CS II Circle Surround ParameterCH Input Level DC Trigger SetupTo set on or OFF, press or cursor button Selecting AN Input Source Selecting the Surround ModeAdjusting the Tone Bass Treble Control Video ConvertDolby Digital Surround ModeUsing the Sleep Timer Temporarily Turning OFF SoundDts, Neo6 Cinema, Neo6 Music DTS-ES Discrete 6.1, MatrixNeo6 Cinema, Neo6 Music SBL Other Function HT-EQ Recording AN Analog SourceSpeaker A/B CH InputListening to the Tuner Preset MemoryUsing the SR7400 Using the remote control unit Basic Operation Tuner← Down → B → C ... Z → 1 → 2 → 3 .... → → + → / → Blank → aSystem Multi Room Playback Using Multi Speaker TerminalsMulti Room Playback Using Multi RoomControlling a Marantz VCR VCR Mode Remote Controller OperationControlling Marantz Components Turns the CD recorder on and off Normal operation status When operating non-Marantz AV equipment productsThis example shows how to set a DVD player Basic OperationCodes from the initial settings, or remote codes This remote control is capable of learningStoring codes used by other remote controls that Control will transmit either the Marantz presetErasing direct buttons Erasing buttonsProgramming Macros Or cursor buttons to move to Press the 5 numeric button to select MPress Cursor button to next SpaceReceiving remote control Clone ModeTransmitting remote control More SetupInterval time Symptom Cause Remedy TroubleshootingGeneral Malfunction Memory backupTechnical Specifications Dimensions Setup Codes Tape Deck Iii VCR DVD R E C T B U T T O N FunctionsIs a registered trademark
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SR7400 specifications

The Marantz SR7400 is a distinguished audio receiver designed to provide an excellent home theater experience. Launched in the early 2000s, the SR7400 has maintained its reputation as a premium choice for audiophiles and home cinema enthusiasts due to its robust build and extensive feature set.

One of the main highlights of the SR7400 is its 7.1-channel amplification, capable of delivering a powerful and engaging sound experience. Rated at 90 watts per channel, it ensures ample output for most home environments, making it suitable for both movies and music alike. The receiver supports a variety of surround sound formats, including Dolby Digital, DTS, and Pro Logic II, enabling users to enjoy dynamic audio from their favorite media.

The SR7400 is equipped with advanced circuitry, including Marantz's proprietary HDAM (Hyper Dynamic Amplification Module) technology. This innovation enhances audio performance by minimizing distortion and improving signal clarity. The design emphasizes a high current capability, providing a lively and detailed sound stage, essential for engrossing home theater experiences.

Another significant feature is the SR7400's multi-room capability, allowing different audio sources to be played in separate zones of the house. This flexibility makes it ideal for larger homes where the desire for sound in multiple rooms is a common preference.

In terms of connectivity, the receiver boasts a comprehensive array of inputs and outputs, including multiple HDMI inputs, digital coaxial and optical connections, as well as traditional analog inputs. This versatility allows for seamless integration with various audio and video components, such as DVD players, gaming consoles, and streaming devices.

Additionally, the SR7400 supports the Audyssey MultEQ, an automatic calibration system that optimizes the audio settings based on the room's acoustics. This feature ensures that listeners experience balanced sound regardless of their positioning within the space.

In conclusion, the Marantz SR7400 combines cutting-edge technology with user-friendly features, making it a remarkable choice for anyone looking to enhance their home audio experience. With its powerful amplification, advanced audio processing capabilities, and versatile connectivity options, it remains a sought-after receiver for a truly immersive sound experience.
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