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Service Manual Ver. 2 CD RECEIVER Click here! RCD-M41 Online service parts list RCD-M41DAB http://dmedia.dmglobal.com/Document/DocumentDetails/23162 Online Parts List (P5 to P7) WEB owner’s manual http://manuals.denon.com/RCDM41/NA/EN/index.php http://manuals.denon.com/RCDM41/EU/EN/index.php http://manuals.denon.com/RCDM41/AP/ZH/index.php ) CAUTION IN SERVICING ELECTRICAL MECHANICAL REPAIR INFORMATION UPDATING • For purposes of improvement, specifications and design are subject to change without notice. Please refer to the MODIFICATION NOTICE.
CAUTION IN SERVICING SAFETY PRECAUTIONS NOTE FOR SCHEMATIC DIAGRAM NOTE FOR PARTS LIST INSTRUCTIONS FOR HANDLING SEMICONDUCTORS AND OPTICAL UNIT WARNING AND LASER SAFETY INSTRUCTIONS Online Parts List Accessing the Parts List Logging in to New SDI and Accessing the Parts List Accessing the Part List from the Model Asset Screen PRINTED CIRCUIT BOARDS Parts Table Downloading the Parts List as an Excel File...
SAFETY PRECAUTIONS ◎ Make a safety check after servicing! The following items should be checked for continued protection of the customer and the service Check that all screws, parts and wires removed or disconnected when servicing have been put back technician.
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NOTE FOR SCHEMATIC DIAGRAM WARNING AND LASER SAFETY INSTRUCTIONS WARNING: WARNING WAARSCHUWING Parts indicated by the z mark have critical characteristics. Use ONLY replacement parts recommended Alle IC’s en vele andere halfgeleiders zijn gevoelig All ICs and many other semi-conductors are voor elektrostatische ontladingen (ESD).
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Online Parts List Accessing the Parts List Logging in to New SDI and Accessing the Parts List (1) Click the URL link on the cover of the service manual. (1) Access New SDI from the URL below. Examples of display <http://dmedia.dmglobal.com>...
Accessing the Part List from the Model Asset Screen Downloading the Parts List as an Excel File (1) Display Model Asset from New SDI. (1) Displays the Parts List. Click the Download icon. (2) Click the section displayed as ▼ Link to Part Lists under the model name. NOTE : If the ▼...
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Searching Part Numbers or Ref. Numbers You can search a Parts List for part numbers or Ref. numbers. (1) Enter the part number or Ref. number in the search window of the Parts List, and press the search button. (2) The search results are displayed. The name of the sheet in which the search part is used and the part’s line are displayed.
CAUTION IN SERVICING. Initializing This Unit Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment, or the digital PCB. 1. Press the power operation button to turn off the power, and remove the AC plug from the socket. 2.
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SCHEMATIC DIAGRAMS SCH01_CPU 161129 Added R217 47 ohm Connected BT_RX line CPU Part TO 2A TO 3A R101 AD_MONI1 R392 R102 FLAG2 R103 Q122 FLAG1 KRC102S R104 +3V3_ST AMP_PROT C101 DGND BT_RX 47/6.3-Z8155 DIR_DI DIR_DO R235 160928 DIR_CE Added R233, R235(10K) TO 4A R233 FPC101...
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SCH02_DSP TO A3 TO A1 TO A2 TO CPU PART DSP Part TO A0 161201 Added connection for CD solution 161201 Added connection for CD solution R222 RESET BT_RST R224 R245 BT_CTS AD_MONI1 AD_MONI1' R226 BT_RTS R247 TO BT UNIT R228 FLAG2 FLAG2'...
PRINTED CIRCUIT BOARDS MAIN, INPUT, CNT 1, CNT 2, REGULATOR 1, REGULATOR 2, DAB EK Only, GUIDE R, GUIDE F, SUB GUIDE F , GUIDE Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). MAIN (A SIDE) MAIN (B SIDE) INPUT (A SIDE) INPUT (B SIDE) DAB (A SIDE)
WIRING DIAGRAM RCD-M41 WIRING DIAGRAM FRONT PCB 3P WIRE FFC 17P FFC 10P 3P WIRE 3P Wafer 12P WIRE CD MECHA 5P WIRE 6P WIRE FFC 16P MAIN PCB 5P WIRE 6P WIRE FFC 16P RESET GND1 GND1 MAIN MUTE...
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SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. The semiconductor which described a detailed drawing in a schematic diagram are omitted to list. 1. IC's MB9AF344 (MAIN : IC101) Terminal Function Pin Name Alternate Symbol Description INT00_0/SIN3_1/MADATA00_1 TU_INT...
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BU9546KV (MAIN : IC104) Pin Name Alternate Symbol Description AVRH AVSS AN08/SOT2_2/MAD16_1 TU_RST TUNER RESET AN09/SCK2_2/MAD17_1 DAB_CLK/TU_CLK DAB CLOCK / TUNER CLOCK AN10/SIN4_1/INT05_1/MAD18_1 DAB_DA/TU_SDA I/O DAB DATA / TUNER DATA DAB POWER ON / TUNER POWER AN11/SOT4_1/MAD19_1 DAB_ON/TU_ON AN16/SCK0_0/TIOA7_1 KEY2 KEY INPUT 2 AN17/SOT0_0/TIOB7_1 UPDATE TX...
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MECHANICAL DISASSEMBLY Flowchart 1. LOADER PANEL 2. FRONT PANEL ASSY 3. MECHA ASSY 4. HEAT SINK SUB ASSY 5. REAR PANEL 6. PCB ASSY 7. MAIN PCB 8. TRANS EXPLODED VIEW PACKING VIEW...
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DISASSEMBLY Flowchart • Remove each part following the flow below. • Reassemble the removed parts in the reverse order. • Read "SAFETY PRECAUTIONS" before reassembling the removed parts. • If wire bundles are removed or moved during adjustment or part replacement, reshape the wires after completing the work. Failure to shape the wires correctly may cause problems such as noise. •...
• The photographs with no shooting direction indicated were taken from the top of the unit. (1) Remove the screws. • Photos of RCD-M41 E1C are used in this manual. The viewpoint of each photograph (Shooting direction : X) [View from the top] ↓Shooting direction: B↓...
EXPLODED VIEW Parts List http://dmedia.dmglobal.com/Document/DocumentDetails/23162 S5X4 S5X11 S6X2 S5X9Only DAB S1 X2 12-2 S3X4 S1X3 S1 X4 S8X1 Only DAB S4 X1 S1 X1 S1X1 S1 X1 S3X4 S4 X3 S1X6 32 X2 S1X3 S1 X1 S1X1 S1X2 S1X1 S7 X2 S1X2 9 X4 S7X2 Only BK MODEL...
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PACKING VIEW Parts List http://dmedia.dmglobal.com/Document/DocumentDetails/23162 7-11. ZIPPERBAG(A4size) 7-1. Notes on RADIO 7-8. Cautions on Using Batteries (E2/EK/E1C Only) Front 7-2. SAFETY INST. SC-M41 7-4. WARRANTY (E3 Only) Front 7-3. INST. Manual Paper (E1C/JP Only) 7-9. INST. Manual CD (E3/E2/EK Only) 7-6.
REPAIR INFORMATION TROUBLE SHOOTING SPECIAL MODE 1. The unit does not power on (No.1) Special mode setting button 2. The unit does not power on (No.2) 1. Version Display Mode 3. VFD is not lit 2. Display check mode 4. The disc does not load, does not play, etc. 3.
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TROUBLE SHOOTING 1. The unit does not power on (No.1) 2. The unit does not power on (No.2) Check the state / soldering for the following parts. Check Power Supply Voltages for +3V3_ST ST-BY PART The red LED is blinking. "2.
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3. VFD is not lit 4. The disc does not load, does not play, etc. Check the state / soldering for the following parts. Check the Pickup. Check Power Supply Voltages for VFD. ST-BY PART No abnormalities in "4. Notes on Handling the Replace the mechanical.
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5. No audio output from Tuner 6. No audio output from DAB (EK Only) Is the antenna connected normally? Connect the antenna. Is the antenna connected normally? Connect the antenna. Check the state / soldering for the following parts. Check the state / soldering for the following parts. Check Power Supply Voltages for Tuner module.
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7. No audio output from Bluetooth. 8. No audio output from this unit. Check the state / soldering for the following parts. Check Power Supply Voltages for Audio. Check the state / soldering for the following parts. Check Power Supply Voltages for Bluetooth. DSP Part AMP ASSY SPK Part...
MEASURING METHOD AND WAVEFORMS 1. TEST POINT 2. WAVEFORMS Connect the GND (-) probe of the oscilloscope to the specified reference voltage points to check the 1. DISC PLAY RF WAVEFORM (EYE-PATTERN) waveforms. 1.1 CD(TCD784) PLAY NOTE Measuring Disc : CD/TCD-784 (It is recommended to use extension wires between the probe and test points.) •...
NOTES ON HANDLING AND REPLACEMENT OF THE LASER PICK-UP 1. Protection of the LD Solder a part of the LD circuit to short-circuit. After connecting the circuit, remove the soldering form. Precautions when handling the laser CD mechanism 2. Precautions when handling the laser CD mechanism •...
SPECIAL MODE Special mode setting button b No. 1 - 8 : While holding down buttons "A" and "B" simultaneously, insert the AC plug into the wall outlet to turn on the power. Mode Button A Button B Descriptions The firmware version is shown on the display. Version Display Mode (See 1.
1. Version Display Mode 3. Initialization Mode 1.1. Actions 3.1. Actions Version information is displayed when the device is started in this mode. Make sure to initialize this unit after replacing the microcomputer or any peripheral equipment, or the PCB. 1.2.
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4. Test mode 4-3. Pickup movement 4.1. Actions (1) Press the " 8 or 9 " buttons to move the pickup to the inner or outer circumference. Release the button to stop the pickup. A mode for starting Servo check, Pickup movement, Stop, All servo on, Adjustment value display, Dis- (2) You can also stop the pickup by pressing the "...
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4-6. Adjustment value display 4-7. Displaying the laser current 4-6.1. Display Order • Press and hold the " 2 " button for at least 1 second while stopped (CD TEST MODE) to turn the laser ON and measure and display the laser current. (1) When "SOURCE"...
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5. Heat run mode 5-2. Chucking mode (1) Press the " 2 " button once while stopped after the CD heat run mode starts and TOC reading is com- 5.1. Actions pleted. Executes each heat run mode. (2) Repeat TOC reading → search of first track on disc → OPEN tray → CLOSE tray → TOC reading. The heat run repetition count is shown in the time display area.
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5.3. Error display 6. Accumulated laser on time display mode 6.1. Actions ( 13 lit) • The laser drive time is added and the result is displayed. EX-XX • Each count is 10 minutes (truncated if less than 10 minutes). ( EX-XX : Error Code) •...
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7. Protection History Display Mode 8. Version Display of DAB Module (RCD-M41DAB Only) (1) While holding down buttons the "SOURCE" and " 9 " buttons simultaneously, insert the AC plug (1) Insert the AC plug and turn on the power. to turn the power on.
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UPDATING PROCEDURE AFTER REPLACING THE PCB. PROCEDURE AFTER REPLACING THE U-COM, ETC. FIRMWARE UPDATE PROCEDURE 1. Items necessary for update 2. Updating via System u-com (IC101) 3. Updating via Disc (IC109) 4. Updating via DSP (IC109)
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PROCEDURE AFTER REPLACING THE PCB. PROCEDURE AFTER REPLACING THE U-COM, ETC. The procedure after replacing the printed circuit boards is as follows. The procedure after replacing the u-COM (microprocessor), flash ROM, etc. is as follows. (1) Change the resistor for setting the region. Implement the update method when the DIGITAL PCB or network module is replaced.
FIRMWARE UPDATE PROCEDURE 1. Items necessary for update Items necessary for update are as follows. Offered / not Offered Update Type Needed Part for Update Requirement Standard Service Equipment Purchase from D&M Article code Download from SDI Not offered by D&M RS-232C cable 9P (Male), Straight 8U-210100S WRITING KIT...
2. Updating via System u-com (IC101) 2.1. Items to Be Prepared 2.3. Installing the Software Install the writing software "FLASH MCU Programmer for FM3/FM4" on your computer. (1) Obtain "pcwfm3-v01l07.zip" from SDI. (2) Personal Computer (Be installed "FLASH MCU Programmer for FM0+/FM3/FM4"). (3) RS-232C cable (9P (Male), Straight).
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2.4. Run the FLASH MCU Programmer (5) The following display appears when the firmware update is complete. Click "OK". (1) Press the power button to turn on the power. (2) Execute "FLASH MCU Programmer for FM3/FM4" after installing it on your computer. (1) Double-click FLASH MCU Programmer to launch FLASH MCU Programmer Start.
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3. Updating via Disc (IC109) 4. Updating via DSP (IC109) 4.1. Preparation The latest firmware can be written to a disc for update. 3.1. Support Disc ・Use the Disc created in "3.2. How to create a disc". (1) Preparation 4.2. Starting up •...
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