Denon RCD-M40 Service Manual

MODEL JP E3 E2 EK EA E1 E1C E1K
RCD-M40
P P P
RCD-M40DAB
P
D-M40S
P
CD RECEIVER
S1253V05DM/DG1605
Ver. 5
•
Please use this service manual with referring to the operating instructions without fail.
•
Some illustrations using in this service manual are slightly different from the actual set.
• For purposes of improvement, specications and design are subject to change without notice.
Please refer to the
MODIFICATION NOTICE.
e
SERVICE MANUAL
e
D&M Holdings Inc.
Copyright 2016 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.

Denon RCD-M40 Specifications

General

Digital tuner	Yes
CD changer	-
Product color	Black

Weight and Dimensions

Depth	234 mm
Width	145 mm
Height	238 mm
Weight	3500 g

Summary

ABOUT THIS MANUAL

What you can do with this manual

Explains how to search for reference numbers within schematics, diagrams, and parts lists.

Using Adobe Reader (Windows version)

Add notes to this data (Sign)

Instructions on using the 'Sign' function to add notes to the manual document.

Magnify schematic / printed circuit board diagrams

How to use Ctrl+Space and mouse to zoom in on diagrams for detailed viewing.

Print a magnified part of the manual

SAFETY PRECAUTIONS

Leakage current check

Procedures for checking leakage current and line-to-chassis resistance before returning the set.

Cautions during servicing and inspection

Essential safety warnings regarding electric shock, disassembly, parts, and wiring.

CAUTION Concerning important safety parts

NOTE FOR SCHEMATIC DIAGRAM

NOTE FOR PARTS LIST

INSTRUCTIONS FOR HANDLING SEMI-CONDUCTORS AND OPTICAL UNIT

Ground for Human Body

Guidance on using grounding bands to prevent electrostatic discharge when handling sensitive components.

Ground for Workbench

Instructions for grounding the workbench with conductive sheets to prevent static electricity damage.

WARNING AND LASER SAFETY INSTRUCTIONS

ESD WARNINGS (GB, NL, D, F, I)

Safety precautions for handling semiconductors susceptible to electrostatic discharge (ESD).

LASER SAFETY

Critical warnings about laser product safety and avoiding hazardous radiation exposure.

TECHNICAL SPECIFICATIONS

Audio section specifications

Details on CD player, amplifier, and tuner performance parameters.

Clock / Alarm / Sleep specifications

Technical details for the clock, alarm, and sleep timer functions.

General specifications

Power supply and power consumption details for the unit.

DIMENSION

CAUTION IN SERVICING

Initializing This Unit

Procedure to initialize the unit after replacing microcomputers or PCBs.

Support for Asia-Pacific tropical climate regions

Information on attaching tropical standard supporting parts for specific regions.

DISASSEMBLY

Explanatory Photos for DISASSEMBLY

The viewpoint of each photograph

Explanation of shooting directions (A, B, C, D) used in disassembly photos.

1. LOADER PANEL ASSY

2. FRONT PANEL ASSY

3. CD MECHA ASSY

4. HEAT SINK SUB ASSY

5. POWER and CONNECT PCB

6. MCU PCB

7. SPEAKER PCB

8. TRANS

NOTES ON HANDLING AND REPLACEMENT OF THE LASER PICK-UP

Protection of the LD

Precautions for protecting the laser diode during handling and soldering.

Precautions when handling the laser CD mechanism

Guidelines for preventing dust, shock, and direct laser exposure to the pick-up.

Cautions on assembling and adjustment

Safety measures for grounding, handling corrosive gases, and securing the mechanism.

Determining whether the laser pick-up is defective

Steps to diagnose a faulty laser pick-up by measuring waveforms and checking laser current.

SPECIAL MODE

Special mode setting button

How to enter special modes by pressing specific buttons while applying power.

1. Version Display Mode

2. Display check mode

3. Initialization (cold start)

4. CD test mode

4.1. Disc mounting

Procedure for opening the tray, placing a disc, and closing the tray to start disc chucking.

4.2. Servo check

Steps to check servo functions like LD ON, FOCUS ON, CLV ON, and TRACKING ON.

4.3. Pickup movement

4.4. Stop

4.5. All servo on

4.6. Adjustment value display

4.7. Displaying the laser current

4.7.1. Overwriting the stored data

How to save the current laser current value to EEPROM, overwriting stored data.

5. CD Heat run mode

5.1. Normal heat run mode

Plays discs to check heat run repetition counts and performs pickup movement.

5.2. Chucking mode

Checks heat run repetition count by repeating TOC read, track search, and tray open/close cycles.

5.3. Error display

6. Accumulated laser on time display mode

6.1. Resetting the count value

Resets the accumulated laser on time count value to zero.

7. Updating MAIN u-COM

8. Protection History Display Mode

VERSION DISPLAY OF DAB MODULE (RCD-M40DAB ONLY)

PROCEDURE AFTER REPLACING THE MICROPROCESSOR, ETC.

FIRMWARE UPDATE PROCEDURE

1. Updating via USB

Steps for updating the unit's firmware using a USB memory device.

1.4. MCU Updates

1.5. USB Device Updates

TROUBLE SHOOTING

1. VFD is not lit

Flowchart to diagnose and resolve issues where the Vacuum Fluorescent Display (VFD) does not light up.

2. No sound or noise is output

2.1. CD playback

Troubleshooting steps for diagnosing and fixing issues related to CD playback sound output.

2.2. DAB TUNER input (EK model only)

2.3. AM/FM TUNER input

2.4. iPod / USB Playback

MEASURING METHOD AND WAVEFORMS

NOTES

Important notes for measuring waveforms and using test discs.

1. DIGITAL PCB test point

Identifies test points on the DIGITAL PCB for waveform measurements.

2. INPUT PCB test point

3. WAVEFORMS

1. DISC PLAY RF WAVEFORM (EYE-PATTERN)

Displays eye-pattern waveforms for CD, CD-R, and CD-RW playback.

2. DISC DETECTION

Shows waveforms related to disc detection for CD, CD-R, and CD-RW.

3. TOC READ

3.1 CD(TCD784) READ

Displays TOC read waveforms for CD (TCD784) disc playback.

3.2 CD-R (TCDR082W) READ

Displays TOC read waveforms for CD-R (TCDR082W) disc playback.

3.3 CD-RW (TCDW082W) READ

Displays TOC read waveforms for CD-RW (TCDW082W) disc playback.

4. FOCUS ADJUSTMENT

4.1 CD(TCD784) FOCUS ADJUSTMENT

Shows focus adjustment waveforms for CD (TCD784).

4.2 CD-R (TCDR082W) FOCUS ADJUSTMENT

Shows focus adjustment waveforms for CD-R (TCDR082W).

4.3 CD-RW (TCDW082W) FOCUS ADJUSTMENT

Shows focus adjustment waveforms for CD-RW (TCDW082W).

5. CD Playback

6. USB playback

7. LOADER OPEN-CLOSE

LEVEL DIAGRAM

BLOCK DIAGRAM

POWER DIAGRAM

WIRING DIAGRAM

PRINTED WIRING BOARDS

POWER AMP (A SIDE)

POWER (A SIDE)

POWER AMP (B SIDE)

POWER (B SIDE)

FRONT (A SIDE)

FRONT (B SIDE)

SPEAKER (A SIDE)

SPEAKER (B SIDE)

CONNECTOR (A SIDE)

CONNECTOR (B SIDE)

SCHEMATIC DIAGRAMS (1/4)

SCH01 DIGITAL MCU&CD

Schematic diagram for the Digital MCU and CD sections of the unit.

SCHEMATIC DIAGRAMS (2/4)

SCH02 DIGITAL-USB

Schematic diagram for the Digital USB interface and decoder sections.

SCHEMATIC DIAGRAMS (3/4)

SCH03 INPUT

Schematic diagram detailing the input circuits, including DAB, Tuner, and AUX.

SCHEMATIC DIAGRAMS (4/4)

SCH04 MAIN

Main schematic diagram covering power amplification, speaker output, and front panel connections.

EXPLODED VIEW

PACKING VIEW

SEMICONDUCTORS

1. IC's

Lists and details of major semiconductors (ICs) used in the unit.

MB9AF316NA (DIGITAL : IC11) Pinout

BX8804 Terminal Function

BX8804 (DIGITAL : IC31) Pinout

TC94A92FG (DIGITAL : IC21) Pinout

TC94A92FG Block Diagram

TC94A92FG Terminal Function

CVIIP4001CRLTF Pinout

CVIIP4001CRLTF Block Diagram

CVIIP4001CRLTF Pin Descriptions

NJW1194V Pinout

NJW1194V Block Diagram

PCM5100 PWR (INPUT : IC52)(DIGITAL : IC36) Pinout

DIR PCM9211 Pinout

PIN CONFIGURATIONS

PIN FUNCTIONS

DIR PCM9211 Block Diagram

2. FL DISPLAY

ANODE CONNECTION

INPUT PCB ASS'Y

MAIN PCB ASS'Y

DIGITAL PCB ASS'Y

PACKING

TROPICAL