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Marantz NR1504 /U1B User Manual

Marantz NR1504 /U1B
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Service
Manual
•
Some illustrations using in this service manual are slightly different from the actual set.
•
Please use this service manual with referring to the operating instructions without fail.
•
For purposes of improvement, specications and design are subject to change without notice.
AV Surround Receiver
NR1504 /
U1B/N1B/N1SG
/K1B
NR1504
S0678-1V03DM/DG1305
Copyright 2013 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
Ver. 3
Please refer to the
MODIFICATION NOTICE.

Table of Contents

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Marantz NR1504 /U1B Specifications

General IconGeneral
Channels5.1
Power Output50W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)
HDMI Inputs6
HDMI Outputs1
Audio Return Channel (ARC)Yes
Network ConnectivityEthernet
AirPlayYes
DLNA CertifiedYes
3D Pass-ThroughYes
4K Pass-ThroughYes
DecodingDolby TrueHD, DTS-HD Master Audio
Frequency Response10 Hz - 100 kHz (+1, -3 dB)
Total Harmonic Distortion0.08%
Input Sensitivity200 mV
Signal-to-Noise Ratio98 dB
Tuner TypeAM/FM
Digital Inputs2 Optical, 1 Coaxial
Analog Inputs4
BluetoothNo
Wi-FiNo
Outputs1 Subwoofer

Summary

Marantz Design and Service

Ordering Parts

Information required for ordering replacement parts via mail or fax.

Shock, Fire Hazard Service Test

Procedure for leakage current and line-to-chassis resistance checks before customer return.

Note on Safety

Emphasizes using only designated parts marked with z for safety.

About This Manual

What You Can Do With This Manual

Explains search functionality in Acrobat Reader for reference numbers within the manual.

Jump to Schematic Diagram Connector

Describes how to use the search function to locate specific connectors in schematic diagrams.

Using Adobe Reader

Add Notes to Data (Sign)

Instructions on how to use the Sign function in Adobe Reader to add notes.

Magnify Diagrams - 1

Explains how to use Ctrl+Space and drag mouse to magnify specific areas of diagrams.

Print Magnified Manual Part

Details on how to print specific magnified sections of the manual.

Magnify Schematic / Printed Wiring Board Diagrams - 2

Magnify Schematic / Printed Wiring Board Diagrams - 3

Safety Precautions

Leakage Current Check

Requirements for leakage current and line-to-chassis resistance checks before returning the set.

Cautions During Servicing and Inspection

General cautions for servicing, including electric shock, disassembly, part usage, and wire arrangement.

Caution Concerning Important Safety Parts

Highlights the importance of using designated parts, indicated by z, for safety.

Note for Schematic Diagram

Note for Parts List

Instructions for Handling Semiconductors and Optical Unit

Technical Specifications

Audio Section

Specifications for power amplifier output, input sensitivity, frequency response, and S/N ratio.

Video Section

Specifications for standard and color component video connectors, including input/output levels and frequency response.

Tuner Section

Specifications for tuner receiving range, usable sensitivity, S/N, and total harmonic distortion.

General Specifications

General specifications including power supply, power consumption, and standby power consumption.

Dimension

Caution in Servicing

Initializing AV Surround Receiver

Procedure for initializing the AV receiver, typically after replacing μcom or related parts.

Service Jig

Information on required jigs (Extension cable kit, Writing kit) for servicing and firmware updates.

Disassembly

Front Panel Assy Disassembly

References for disassembling the Front Panel Assy, including exploded view and specific PCB details.

PCB RC5_MX Disassembly

References for disassembling PCB RC5_MX, including exploded view.

Radiator Assy Disassembly

References for disassembling the Radiator Assy, including exploded view and specific PCB details.

REG Assy Disassembly

References for disassembling the REG Assy, including exploded view and specific PCB details.

About Disassembly Photos

1. Front Panel Assy Disassembly

1. Front Panel Assy Disassembly (cont.)

2. Radiator Assy Disassembly

2. Radiator Assy Disassembly (cont.)

3. REG Assy Disassembly

4. PCB RC5_MX Disassembly

5. PCB HDMI Assy Disassembly

6. Power Trans Main Disassembly

6. Power Trans Main Disassembly (cont.)

7. AV Assy Disassembly

8. PCB SMPS Disassembly

9. PCB SPK Disassembly

Special Mode

Special Mode Setting Buttons

Explains the button combinations required to enter different special modes.

1. µcom/DSP Version Display Mode

1.1. Operation Specifications

Explains the purpose of the µcom/DSP version display mode.

1.2. Display Order

Defines the order in which version and error information is displayed.

1.3. Error Display

Condition

Lists conditions that trigger errors, such as FIRM CHECK NG or DIR NG.

Status

Displays the status codes shown on the FL display for various errors.

FL Display

Shows the text displayed on the FL display for different error conditions.

Troubleshooting Steps

Provides specific actions to take for troubleshooting errors like FIRM CHECK NG or DIR NG.

1.4. Version Display on the Setup Menu

2. Panel/Remote Lock Selection Mode

2.1. Behavior Specifications

Describes the mode's behavior, allowing switching between panel lock and remote control rejection.

2.2. Starting Up

Details the button sequence to enter the PANEL/REMOTE LOCK Selection mode.

2.3. Mode Selection and Display

Explains how to select modes and how they are indicated on the FL DISPLAY.

3. Service Related Selection Mode

3.1. Behavior Specifications

Describes the mode's behavior, allowing switching between diagnostic and protection history modes.

3.2. Starting Up

Details the button sequence to enter the Service Related Selection mode.

3.3. Canceling Diagnostic Mode

Instructions on how to exit the diagnostic mode.

3.4. Diagnostic Mode (Video/Audio Path Confirmation)

3.4.1. Specification

States the purpose of the diagnostic mode for confirming video and audio paths.

3.4.2. Starting Diagnostic Mode

Details the button sequence to enter the diagnostic mode.

3.4.3. Canceling Diagnostic Mode

Instructions on how to cancel the diagnostic mode.

3.4.4. Selecting Items

Explains how to navigate between video and audio items using the remote controller.

3.4.5 Video System Confirmation Items

3.4.6 Audio System Confirmation Items

Block Diagram: Video Signal Path

Block Diagram: HDMI Pass-Through

Block Diagram: HDMI CEC

Block Diagram: Audio Signal Path

Block Diagram: HDMI Audio (TV)

Block Diagram: GUI Menu Path

Block Diagram: Analog Signal Path

Block Diagram: Digital Signal Path

Block Diagram: HDMI Signal Path

Block Diagram: Analog A/D Path

3.5. Errors Checking Mode (Protection History)

3.5.1. Operation Specifications

Describes the function of the error mode for displaying protection history.

3.5.2. Display on FL Display

Details how protection incidents (ASO, DC, THERMAL) are displayed on the FL display.

3.5.3. Clearing the Protection History

3.6. Operation Info Mode

3.6.1. Specifications

Lists the types of information displayed in the Operation Info mode.

3.6.2. Display on FL Display

Details how to navigate and view information like operating time, power on count, and protection counts.

4. Dual Backup Memory

4.1. How to Operate

Step-by-step instructions for backing up and recovering settings using the Dual Backup Memory.

4.2. Service Precautions

Precautions for clearing the Dual Backup Memory, especially after replacing Flash ROM.

5. Protection Pass Mode

6. DM860A Reboot Mode

7. Network Initialization Mode

7.1. Behavior Specifications

Lists the network settings that are initialized by this mode.

7.2. Starting Up

Step-by-step instructions for initiating the NETWORK Initialization mode.

Jig for Servicing

Connection of PCB HDMI Jig

Details the preparation steps for connecting the PCB HDMI JIG, including required parts.

Disassembly Procedures

Outlines the procedures for disassembling the BACK PANEL and disconnecting the connector board.

Jig for Servicing (cont.)

Board to Board Connection Table

A table mapping pin numbers, reference numbers, and PCBs for board-to-board connections.

When Microprocessor is Replaced

Procedure for Upgrading Firmware Version

1. How to Update by DFW

Step-by-step guide for updating firmware using the DFW utility.

1.1. Preparations Before Operation

Lists the necessary preparations, including PC software, cables, and writing kits.

1.2. Connection of AV Receiver

Explains how to connect the AV receiver to a PC for firmware updating via the WRITING KIT.

Firmware Upgrade Procedure (cont.)

1.3. Turn On AV Receiver

Specific instructions for turning on the AV receiver while in WRITING mode.

1.4. Run the DFW

Instructions on how to launch the DFW firmware update application on the PC.

1.5. Communication Check

Steps to verify communication between the PC and the AV receiver before firmware download.

Firmware Upgrade Procedure (cont.)

1.6. Download Firmware

Instructions on how to load the firmware file into the DFW application.

1.7. Complete Firmware Updating

1.8. Notice for Firmware Update

2. How to Update by DPMS

2.1. Connecting to the Network

Lists system requirements for connecting to the network for firmware updates.

2.2. Checking and Updating Firmware

Steps for checking firmware availability and initiating the update process.

2.3. About DPMS Error Codes

2.3. About DPMS Error Codes (cont.)

2.3. About DPMS Error Codes (cont.)

2.3. About DPMS Error Codes (cont.)

2.3. About DPMS Error Codes (cont.)

Device Display During Firmware Update

3. How to Update by USB Memory

3.1. Connecting to USB

System requirements and guidelines for connecting a USB memory device.

3.2. Unzip Download File

Instructions on unzipping the downloaded file and copying the firmware folder to the USB drive.

3.3. Insert USB Memory into Port

3.5. Start Update

3.6. "USB Update Start" on FL Display

3.7. Push "ENTER" Key

3.8. Finish Firmware Update

3.3. About USB Firmware Update Error Codes

3.3. About USB Firmware Update Error Codes (cont.)

3.3. About USB Firmware Update Error Codes (cont.)

3.3. About USB Firmware Update Error Codes (cont.)

3.3. About USB Firmware Update Error Codes (cont.)

3.4. Device Display During Firmware Update

Adjustment: Audio Section

1. Preparation for Adjustment

Preparation steps for adjustment, including environmental conditions and presetting the unit.

2. Adjustment Procedure

Step-by-step instructions for adjusting idling current using a DC voltmeter and variable resistors.

Surround Sound Modes

Sound Modes and Surround Parameters

Table detailing available sound modes and adjustable surround parameters.

Sound Mode Reference

Input Signals and Sound Modes

Video Signals and Monitor Output Relationship

Trouble Shooting: Power Issues

1.1. Power Not Turn On

Flowchart to diagnose and resolve power-on issues, checking indicators, fuses, and voltage supplies.

1.2. Fuse is Blown

Describes checks for short circuits and defective parts related to blown fuses.

2. Analog Video Troubleshooting

Analog Video Troubleshooting (cont.)

HDMI Test Points

Video Test Points

3. HDMI/DVI Troubleshooting

3.1. No Picture or Sound Output

Flowchart to diagnose HDMI/DVI no picture or sound issues, checking cables, selectors, and player settings.

3.1. No Picture or Sound Output (cont.)

4. Audio Troubleshooting

4.1. Audio Check

Flowchart for diagnosing audio output problems across different input types (Analog, COAX/OPT, HDMI).

4.2. Power Amplifier (Main Unit) Troubleshooting

4.3. Analog Audio Troubleshooting

5. Network/USB Troubleshooting

5.1. Cannot Connect to Network

Flowchart to diagnose network connection problems, checking environment, settings, and internal circuits.

5.2. USB Device Not Recognized

5.3. No Picture or Sound Output from USB

HDMI Test Points

USB Test Points

AV Test Points

6. SMPS Troubleshooting

Operation Waveform for Each Part

Level Diagram: Front Channel

Level Diagram: Center Channel

Level Diagram: Subwoofer Channel

Level Diagram: Surround Channel

Level Diagram: Surround Back Channel

Level Diagram: Zone 2

Block Diagram: Grounding Connections

Power Diagram: VCC Distribution

Wiring Diagram

Printed Wiring Boards: HDMI & Front HDMI

Printed Wiring Boards: HDMI & Front HDMI (cont.)

Printed Wiring Boards: SPK, HDMI Guide, Side CNT

Printed Wiring Boards: SPK, HDMI Guide, Side CNT (cont.)

Printed Wiring Boards: AV PCB

Printed Wiring Boards: Front, USB, HP PCBs

Printed Wiring Boards: 7CH AMP PCB

Printed Wiring Boards: REG, SMPS, RC-5 MX

Printed Wiring Boards: Front-CNT, SMPS (cont.)

Schematic Diagrams (1/25): HDMI_ADV3002

Schematic Diagrams (2/25): HDMI_FRONT-HDMI

Schematic Diagrams (3/25): HDMI_ADV7623

Schematic Diagrams (4/25): HDMI_SLI11131A

Schematic Diagrams (5/25): HDMI_DSP

Schematic Diagrams (6/25): HDMI_DIR/AUDIO PLD

Schematic Diagrams (7/25): HDMI_MAIN-DAC

Schematic Diagrams (8/25): HDMI_DM860A

Schematic Diagrams (9/25): HDMI_NET-PHY

Schematic Diagrams (10/25): HDMI_CPU

Schematic Diagrams (11/25): HDMI_CPU-LEVEL-CHG

Schematic Diagrams (12/25): HDMI_DIGITAL-CNT

Schematic Diagrams (13/25): HDMI_D-SUPPLY

Schematic Diagrams (14/25): SPK_SIDE-CNT_SPK

Schematic Diagrams (15/25): SPK_SIDE-CNT_SIDE-CNT

Schematic Diagrams (16/25): AV_INPUT

Schematic Diagrams (17/25): AV_VIDEO

Schematic Diagrams (18/25): AV_TUNER

Schematic Diagrams (19/25): FRONT_FRONT

Schematic Diagrams (20/25): AMP_AMP1

Schematic Diagrams (21/25): AMP_AMP2

Schematic Diagrams (22/25): SMPS_REG_CNT_SMPS

Schematic Diagrams (23/25): SMPS_REG_CNT_REG

Schematic Diagrams (24/25): SMPS_REG_CNT_FRONT-CNT

Schematic Diagrams (25/25): SMPS_REG_CNT_RC5

Exploded View

Parts List of Exploded View

Packing View

Parts List of Packing View

Semiconductors: ICs

1. IC's

Lists IC components, providing pin functions and descriptions for ADV7623.

1. IC's (cont.)

1. IC's (cont.)

1. IC's (cont.)

ADV7623 Block Diagram

PCM9211 (DIGITAL : U2203) Pin Function

PCM9211 Block Diagram

ADSP21487KSWZ-2B Terminal Function

W9864G6JH-6 Block Diagram

W9864G6JH-6 Block Diagram (cont.)

W9864G6JH-6 Pin Description

MX29LV160DBTI-70G (DIGITAL : U1006) Block Diagram

PCM1690 Pin Function

PCM1690 Functional Block Diagram

EPM3032A (DIGITAL : IC1012) Block Diagram

R5F56108VNFP Terminal Functions

R5F56108VNFP Terminal Functions (cont.)

R5F56108VNFP Terminal Functions (cont.)

R5F56108VNFP Terminal Functions (cont.)

R5F56108VNFP Terminal Functions (cont.)

AD8195 Terminal Functions

ADV3002BSTZ Block Diagram

DIGITAL : IC1008 MX25L3206EM2I-12G

74VHC4051A (DIGITAL : U1001)

A3V56S30FTP (DIGITAL : U2604,U2605 ) Pin Configuration

H27U1G8F2BTR-BC (DIGITAL : U2603) Pin Description

H27U1G8F2BTR-BC Block Diagram

R2A15218FP (INPUT : IC5200) Pin Functions

2. FL Display

Anode Connection

5CH_AMP PCB Assy Parts List

5CH_AMP PCB Assy Parts List (cont.)

5CH_AMP PCB Assy Parts List (cont.)

5CH_AMP PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List

HDMI PCB Assy Parts List (cont.)

AV PCB Assy Parts List

AV PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

HDMI PCB Assy Parts List (cont.)

REG_SMPS PCB Assy Parts List

REG_SMPS PCB Assy Parts List (cont.)

SPK_SIDE_CNT PCB Assy Parts List

Exploded View: Front PCB Assy

Exploded View: Front PCB Assy (cont.)

Packing PCB Assy Parts List

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