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Marantz AV8003 - Service Manual

Marantz AV8003
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Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
AV Pre Tuner
AV8003 /
F B/K1B/N1B/U1B
AV8003
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. TECHNICAL DESCRIPTION ................................................................................................ 9
3. SERVICE MODE ................................................................................................................. 15
4. SYSTEM ERROR ............................................................................................................... 17
5. DUAL BACKUP MEMORY .................................................................................................. 21
6. UPDATE FIRMWARE .......................................................................................................... 22
Mode 1 : Update/Download MAIN CPU's software to internal Flash-ROM .................... 24
Mode 2 : Update/Download DSP's software to Flash-ROM ........................................... 30
Mode 3 : Update/Download HDMI CPU's software to internal Flash-ROM ................... 36
Mode 4 : Update/Download HD Radio CPU's software to internal Flash-ROM ............. 40
Mode 5 : Update/Download HD Radio Module's software ............................................. 48
Mode 6 : Update/Download DMP Sub CPU's software to internal Flash-ROM ............. 53
7. WIRING DIAGRAM ............................................................................................................. 61
8. BLOCK DIAGRAM .............................................................................................................. 63
9. SCHEMATIC DIAGRAM ...................................................................................................... 67
10. PARTS LOCATION ............................................................................................................ 101
11. EXPLODED VIEW AND PARTS LIST ............................................................................... 135
12. MICROPROCESSOR AND IC DATA ................................................................................ 139
13. ELECTRICAL PARTS LIST ............................................................................................... 183
14. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ............................. 255
AV8003
Part no. 90M46CW855000
First Issue 2008 05
MZ
TOP
ZONE
SPEAKER
DISPLAY
INPUT
7.1CH
DIRECT
PURE
PHONES
THX M-DA X
MODE
SURROUND
CLEARMEMORYT-MODEBANDEXITMENUZONE
ENTER
DOWN
VOLUME
UP
INPUT
SELECTOR
AUTO
SETUP MIC
HDMI
M-DAX
PURE DIRECT
POWER ON/OFF
STANDBY
AV PRE TUNER AV8003

Other manuals for Marantz AV8003

Questions and Answers

  • J
    Jorge ZunigaSep 4, 2025
    Why is there no output to Subwoofer Out on my Marantz AV8003?
    • F
      Frank ChoiSep 4, 2025
      If there is no output to the Subwoofer Out on your Marantz Amplifier, check if 'Subwoofer = NONE' has been selected in SETUP mode. If so, select 'Subwoofer = YES'.
  • P
    Paula TaylorSep 3, 2025
    What to do if I cannot get programmed station when the PRESET button is pressed on my Marantz AV8003?
    • R
      Rick ZamoraSep 3, 2025
      If you cannot get programmed station when the PRESET button is pressed on your Marantz Amplifier, the preset data may have been erased. Disconnecting the power plug for long periods of time will erase preset data. If that happens, input the preset data again.
  • R
    Robert HowardSep 2, 2025
    Why can't I select CSII mode on my Marantz AV8003?
    • L
      Leslie ChaseSep 2, 2025
      If you're unable to select CSII 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.
  • J
    John DaviesSep 1, 2025
    Why can't I select Neo:6 mode on my Marantz Amplifier?
    • D
      Denise BushSep 1, 2025
      If you're unable to select Neo:6 mode on your Marantz Amplifier, it's likely that the input signal is incompatible. Use a 2 channel DTS input signal, PCM input signal, or analog input signal.
  • 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.

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: HD64 F36049 HV Pin Description

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

IC17: M3087 BFKBGP Pin Description

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

IC91: R5 F21246 SNFP HD RADIO CPU Pin Description (;U only)

Details pin functions and modes for the HD Radio CPU.

IC33: TMS320 DA788 Terminal Functions

Lists terminal functions and descriptions for the TMS320DA788 DSP.

IC62: ADV7403 BSTZ-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.

Marantz AV8003 Specifications

General IconGeneral
Pre-out channels7.1
Pre-out connectivityYes
Audio output channels7.1 channels
Signal-to-Noise Ratio (SNR)105 dB
Power output per channel (20-20KHz@8 Ohm)- W
HDMI in4
Audio (L/R) in6
Digital audio optical in3
Ethernet LAN (RJ-45) ports1
Number of HDMI outputs2
Connectivity technologyWired
Speakers connectivity typeRCA
Audio formats supportedMP3, WAV, WMA
Image formats supportedJPG
Wi-FiNo
Supported radio bandsAM, FM
Supported video modes1080p
Supported graphics resolutions1920 x 1080 (HD 1080)
DisplayLCD
HDMI version1.3a
Product colorBlack
Audio decodersDolby 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 compatibilityNot supported
Power consumption (standby)0.7 W
Power consumption (typical)85 W
Cables includedAC
Weight and Dimensions IconWeight and Dimensions
Depth385 mm
Width440 mm
Height184.5 mm
Weight11600 g

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