Marantz AV8003 Service Manual (English)

Other manuals for Marantz AV8003

User Guide107 pages

Specifications5 pages

Manual31 pages

Owner's Manual103 pages

Questions and Answers:

J
Jennifer GonzalezAug 23, 2025
What to do if there is no sound and picture output even when the power is on in my Marantz Amplifier?
- A
  April ClarkAug 23, 2025
  If there is no sound and picture even when your Marantz Amplifier is powered on, there might be several reasons: * The mute function could be activated. Try canceling mute using the remote controller. * The input or power amp might not be connected correctly. Refer to the connection diagram and ensure all cables are correctly connected. * The master volume control might be turned down. Adjust the master volume. * The function selector position may be incorrect. Select the correct position.
D
Dr. Jason OconnellAug 31, 2025
Why can't I select Pro Logic IIx mode on my Marantz Amplifier?
- J
  Janice KingAug 31, 2025
  If you're unable to select Pro Logic IIx mode on your Marantz Amplifier, it's likely that the input signal is incompatible. Use a 2 channel Dolby Digital input signal, PCM input signal, or analog input signal.
A
Abigail WilliamsAug 30, 2025
Why can't I select EX/ES mode on my Marantz Amplifier?
- A
  Andrew BeckAug 30, 2025
  If you cannot select EX/ES mode on your Marantz Amplifier, it could be due to: * 'Surround center = NONE' being selected in SPEAKERS SIZE SETUP. Make the correct setting. * The input signal being incompatible. Use a 5.1channel source.
C
Chris BradleyAug 29, 2025
Why is noise heard during FM reception on my Marantz AV8003 Amplifier?
- B
  Brian HartAug 29, 2025
  If you're experiencing noise during FM reception on your Marantz Amplifier, it could be because the radio waves from the broadcasting station are weak. Consider installing an FM outdoor antenna.
R
Robert WashingtonAug 28, 2025
Why is noise heard during AM reception on my Marantz AV8003?
- R
  rosejohnAug 29, 2025
  If you hear noise during AM reception on your Marantz Amplifier, it might be due to reception being affected by other electrical fields. Try changing the location where the AM indoor antenna is set up.
E
emilyhortonAug 28, 2025
Why is FM or AM reception failing on my Marantz AV8003?
- E
  edwardgonzalezAug 28, 2025
  If FM or AM reception is failing on your Marantz Amplifier, the antenna connection may be incomplete. Correctly connect the indoor FM and AM antennas to the FM and AM antenna outlets.
J
Justin PatrickAug 27, 2025
How to troubleshoot no audio output from the surround back speakers on Marantz AV8003 Amplifier?
- A
  Amanda PaulAug 27, 2025
  If there is no audio output from the surround back speakers on your Marantz Amplifier, consider the following: * Ensure the power amp and speakers are connected correctly, referring to the connection diagram. * The surround mode may not be EX/ES mode. Set surround mode to EX/ES. * Verify that 'Surround back = NONE' has not been selected in SPEAKERS SIZE SETUP. Make the correct setting if needed.
J
Jason WoodAug 26, 2025
How to troubleshoot no audio output from the surround speakers on Marantz AV8003?
- P
  phoganAug 27, 2025
  If you are experiencing no audio output from the surround speakers on your Marantz Amplifier, consider these possibilities: * Check that the power amp and speakers are connected correctly, referring to the connection diagram. * If 'STEREO' is selected for Surround mode, no sound will be output from the surround speaker. Set another Surround mode. * Ensure that 'Surround = NONE' has not been selected in SETUP mode. Make the correct setting if needed.
M
Maria FloresAug 25, 2025
How to troubleshoot no audio output from the center channel speaker on Marantz AV8003?
- C
  Cameron Brown MDAug 26, 2025
  If there is no audio output from the center channel speaker of your Marantz Amplifier, check the following: * Ensure the power amp and speakers are correctly connected by referring to the connection diagram. * If 'STEREO' is selected for Surround mode, no sound will be output from the center speaker. Set another Surround mode. * Verify that 'Center = NONE' has not been selected in SETUP mode. If so, make the correct setting.
K
Kimberly CookAug 25, 2025
How to fix Marantz Amplifier remote controller if it fails to control the unit?
- M
  Michelle FrenchAug 25, 2025
  If the remote controller is not working with your Marantz Amplifier, consider these potential causes: * The batteries may be depleted. Replace all batteries with new ones. * The remote controller mode might be incorrect. Switch the remote controller to the correct mode for the component you're controlling. * The distance between the unit and the remote may be too far. Move closer to the unit. * There might be an obstruction blocking the signal. Remove any objects blocking the path between the unit and the remote.

Marantz AV8003 Specifications

General

Pre-out channels	7.1
Pre-out connectivity	Yes
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	105 dB
Power output per channel (20-20KHz@8 Ohm)	- W
HDMI in	4
Audio (L/R) in	6
Digital audio optical in	3
Ethernet LAN (RJ-45) ports	1
Number of HDMI outputs	2
Connectivity technology	Wired
Speakers connectivity type	RCA
Audio formats supported	MP3, WAV, WMA
Image formats supported	JPG
Wi-Fi	No
Supported radio bands	AM, FM
Supported video modes	1080p
Supported graphics resolutions	1920 x 1080 (HD 1080)
Display	LCD
HDMI version	1.3a
Product color	Black
Audio decoders	Dolby Digital EX, Dolby Digital Plus, Dolby Pro Logic IIz, Dolby TrueHD, DTS, DTS 96/24, DTS-ES, DTS-HD, DTS-HD Master Audio, THX Surround EX
Apple docking compatibility	Not supported
Power consumption (standby)	0.7 W
Power consumption (typical)	85 W
Cables included	AC

Weight and Dimensions

Depth	385 mm
Width	440 mm
Height	184.5 mm
Weight	11600 g

Summary

Technical Specifications

FM Tuner Section Specifications

Technical specifications for the FM tuner, including frequency range and sensitivity.

AM Tuner Section Specifications

Technical specifications for the AM tuner, including frequency range and selectivity.

HDMI Section Specifications

HDMI version and specifications for input and output.

Audio Section Specifications

Technical specifications for audio inputs, outputs, and frequency response.

Video Section Specifications

Technical specifications for video formats, levels, and frequency response.

General Unit Specifications

Power requirements, consumption, and weight of the unit.

Unit Dimensions

Physical dimensions of the AV Pre Tuner in inches and millimeters.

Included Accessories

List of accessories provided with the AV Pre Tuner.

Surround Mode Operations

AUTO Mode

Unit automatically detects and selects the optimal surround mode based on input signal.

SOURCE DIRECT & PURE DIRECT Modes

Modes that bypass processing for purer audio or reduced noise.

EX/ES Modes

Provides 6.1 channel surround for Dolby Digital EX and DTS-ES sources.

Dolby Processing Modes

Explains Dolby Digital, Pro Logic IIx, and GAME modes.

DTS Processing Modes

Covers DTS, Neo:6 Cinema/Music, and 96/24 formats.

THX Processing Modes

Details THX Cinema, Surround EX, ULTRA2 Cinema, and Music modes.

Specialized Surround Modes

Covers THX Games and Neural Surround technologies.

Caution Notes for Surround Modes

Important notes regarding DTS, Dolby Digital EX, PCM, and HDCD playback.

Technical Description

THX Technology Overview

Explains THX standards and technologies for movie soundtracks.

THX Surround EX Technology

Details joint development of Dolby Labs and THX Ltd. for surround sound.

Advanced Speaker Array (ASA)

Proprietary THX technology for optimal surround sound experience.

Boundary Gain Compensation (BGC)

Feature to improve bass balance and reduce room acoustics issues.

Neural-THX Surround Technology

Advanced surround technology for music and stereo material delivery.

DTS Digital Surround

Premium quality discrete multichannel digital audio for movies and music.

Dolby Pro Logic IIx Technology

Immersive 7.1-channel listening experience for stereo and 5.1 sources.

Dolby Virtual Speaker

Creates virtual surround sound using only two speakers.

Service Mode

Accessing Service Mode

Step-by-step instructions to enter the service mode.

Checking Firmware Versions

Displays software versions for various internal components.

Product Reset Procedure

Resets unit settings to factory defaults by holding ZONE and TOP buttons.

System Error

Check 1: EEP-ROM Interface Errors

Identifies communication errors with the EEP-ROM.

Check 2: Power Supply Error Detection

Detects abnormalities in ±15V and +5VD power supplies.

Check 3: Circuit Timing for Normal Operation

Details timing signals required for normal operation startup.

Check 4: HD Radio Error Detection

Lists HD Radio error detections and corresponding check points.

Dual Backup Memory

Operating Backup and Recovery

Instructions for saving and restoring arbitrary product settings.

Service Precautions for Memory Clearing

Procedure to clear Dual Backup Memory after component replacement.

Update Firmware

Mode 1: MAIN CPU Software Update

Procedure to update/download software for the MAIN CPU.

Mode 2: DSP Software Update

Procedure to update/download software for the DSP.

Mode 3: HDMI CPU Software Update

Procedure to update/download software for the HDMI CPU.

Mode 4: HD Radio CPU Software Update

Procedure to update/download software for the HD Radio CPU.

Mode 5: HD Radio Module Software Update

Procedure to update/download software for the HD Radio Module.

Mode 6: DMP Sub CPU Software Update

Procedure to update/download software for the DMP Sub CPU.

Necessary Equipment for Update

Lists required items for firmware updating/downloading.

Wiring Diagram

Block Diagram

Schematic Diagram

Parts Location

Component PWB Parts Location

Visual guide to component placement on various PWBs.

XM PWB Parts Location

Visual guide to component placement on XM PWBs (U Only).

Exploded View and Parts List

Exploded View

Diagram showing the physical assembly and breakdown of the unit.

Parts List

Detailed list of all parts with part numbers and descriptions.

Microprocessor and IC Data

IC81: HD64F36049HV Pin Description

Details pin functions, modes, and descriptions for the HD64F36049HV IC.

IC17: M3087BFKBGP Pin Description

Details pin functions, modes, and descriptions for the M3087BFKBGP IC.

IC91: R5F21246SNFP HD RADIO CPU Pin Description (/U only)

Details pin functions and modes for the HD Radio CPU.

IC33: TMS320DA788 Terminal Functions

Lists terminal functions and descriptions for the TMS320DA788 DSP.

IC62: ADV7403BSTZ-110 Pin Description

Details pin functions and descriptions for the ADV7403 Video Scaler IC.

Electrical Parts List

Resistors

List of resistors with their part numbers and specifications.

Capacitors

List of ceramic capacitors with their part numbers and specifications.

Electrolytic Capacitors

List of electrolytic capacitors with their part numbers and specifications.

Film Capacitors

List of film capacitors with their part numbers and specifications.

Replace Microprocessor

Microprocessor Replacement Correspondence

Guidelines for checking software contents after microprocessor or flash ROM replacement.

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