Mitsubishi DY-1MU3E21-T User manual

SERVICE MANUAL
MITSUBISHI ELECTRIC CORP. SANDA WORKS
Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
SE050613063E Ver.pptx14E DY-1MU3E21-T
● FEATURES .........................................................................2
● SPECIFICATIONS ..............................................................3
● OPERATION .......................................................................4
● CONNECTORS ..................................................................5
● SYSTEM CONFIGURATION ..............................................6
● BLOCK DIAGRAM ..............................................................7
● DISASSEMBLING PROCEDURES ............................. 8~13
● PARTS LIST......................................................................14
● ELECTRICAL PARTS LIST........................................ 15~21
● PARTS LAYOUT ON PRINTED CIRCUIT BOARD .... 22~25
● SCHEMATIC DIAGRAM
PCB-MAIN ..............................................................26,27
PCB-PANEL.................................................................28
● VOLTAGE .........................................................................29
● WAVEFORM .............................................................. 30~32
MITSUBISHI MOTORS
USB, AM / FM-ST ELECTRONIC TUNING RADIO,
CD PLAYER
CONTENTS
2014 May.
Model : DY-1MU3E21-T
MELCO Code : 34W824
PART No. : 8701A368

2Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
FEATURES
< Audio Part >
●Built-in high-power 4-ch amplifier. (Supporting 4Ωload)
●Bass, Treble, Fader and Balance control with audio control buttons.
●Volume level control with up/down button.
(BASS, TREBLE : ±6step / FADER, BALANCE : ±11step)
●Auto loudness to change frequency characteristics in response to volume levels.
●Controlling tone control amount of BASS / TREBLE at maximum volume level.
< Radio Part >
●Memory/call operation with preset memory buttons.
(FM1, FM2, AM : A maximum of 6 stations respectively)
< CD Part >
●Powered loading and ejecting function.
●Dropout recovery function to return to previous playback point upon dropout or error.
●Laser pickup high-temperature protecting function to terminate playback when
ambient temperature rises.
●Track selecting function to enable instant random access to songs.
●Any Time Eject.
(Allowing disk eject (powered eject) in all modes including ACC OFF.)
●RELOAD function. (Avoid keeping disk ejection status.)
●Title display function.
●Supporting 12-cm CD only. (Not supporting 8-cm CD)
●Supporting mp3. (MPEG1 AUDIO LAYER3, MPEG2 AUDIO LAYER3)
[CD-DA]
●Repeat play. (One-song repeat function and disk repeat function)
●Random play function. (Random play in disk)
●Fast forward/Rewind function.
[MP3]
●Repeat play function. (One-song repeat in folder)
●Random play function. (Random play in folder, random play in all folders of disk)
●Fast forward/Rewind function.
< USB Part >
1) Playback of compressed and non-compressed audio files in USB mass storage.
●USB2.0 Full-speed compatible.
●MP3/WMA/AAC playback.
●File information acquisition.
●Bus power supported.
2) iPod control/playback by USB connection.
●USB2.0 Full-speed compatible.
●Supporting iPod control.
●Playback of audio files in iPod.
●Supporting iPod charger by bus power.
< Others >
●Clock function 12-hour indication.
●Generates operating tone for confirmation using hold-down button.
●Setting test mode for speaker wiring connection diagnosis (oscillating tone output)
and distortion tone check in vehicle assembly lines.
●Stereo AUX input front terminal provided.
●Power shutoff operation by holding down center encoder key.
●BT-HFM connection function.
(*1) : Compatible with 256MByte or larger memory.
Compatible with 128MByte memory in FAT16 format only.
Not compatible with HUB class memory.
(*2) : Compatible with mass-storage class supporting digital audio player (DAP).
Sub class: SCSI, Protocol: Not compatible except for Bulk-Only.
Not compatible with devices supporting MTP only.
(*3) : May not be playable depending on driving voltage or power consumption of device.
(*4) : May not be playable depending on specifications of card reader or memory card.
USB device Flash
Memory DAP HDD
Compatible X X O
O
(*1)
O
(*2) (*3) (*4)
HUB iPod
Card
reader
CD/DVD
/FDD
△△
The following table shows an example of compatible USB devices:
Compatible = O : Playable (recommended)
Compatible = : Playable (not recommended)
Compatible = X : Not playable
△
Compatible USB device

3Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
SPECIFICATIONS
< AM Radio >
●Frequency Range : 530~1710kHz (10kHz step)
●Practical Sensitivity : Less than 34dBμV
●Signal/Noise Ratio : More than 45dB
(60dBμV)
< FM Stereo Radio >
●Frequency Range : 87.75~107.9MHz (200kHz step)
●Limiting Sensitivity : Less than 10dBμV
●Signal/Noise Ratio : More than 55dB
(40dBμV)
< CD Player >
●Dynamic Range : More than 65dB
●Signal/Noise Ratio : More than 65dB
●Channel Separation : More than 55dB (1kHz)
< USB Interface >
●Dynamic Range : More than 65dB
●Signal/Noise Ratio : More than 65dB
●Channel Separation : More than 55dB (1kHz)
< Others >
●Power Supply : DC 13.2V (10~16V)
Test Voltage 13.2V
Negative ground
●Backup Current : Less than 1.6mA
●Current Consumption : typ. 2.5A
(CD1kHz 0dB Output 1W : Ta=25℃
The apparatus of USB is not connected.)
●Maximum Power Output : 35W x 4
●Output Impedance : 4Ω(SP Output)
●Working Temperature Range
CD : -20℃~ +70℃
RADIO, Other modes : -30℃~ +70℃
●Storage Temperature Range : -40℃~ +80℃
●Dimensions (W x D x H) : 293.0mm x 121.9mm x 188.9mm
●Weight : 1.65kg

4Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
OPERATION
AUX 4P Jack

5Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
CONNECTORS
Antenna Socket USB device
4P Connector
Power supply,
Speaker and Remote controller
20P Connector
PinNo. Signal Name PinNo. Signal Name
1 BATTERY (+) 11 POWER GND
2 ILLUMINATION (+) 12 ILLUMINATION (-)
3 SPEAKER FL (+) 13 SPEAKER FL (-)
4 SPEAKER RL (+) 14 SPEAKER RL (-)
5 SPEAKER FR (+) 15 SPEAKER FR (-)
6 SPEAKER RR (+) 16 SPEAKER RR (-)
7 - 17 ANTENNA +B
8 - 18-
9 REMOCON 19 REMOCON GND
10 ACCESSORY (+) 20 VEHICLE SPEED PULSE
Power supply, Speaker and Remote controller 20P Connector
USB device 4P Connector PinNo. Signal Name
1 USB VBUS
2 USB DATA -
3 USB DATA +
4 USB GND
SH USB SH
AUX 4P Jack (Panel side) PinNo. Signal Name
1 -
2 AUX-GN D
3 AUX-R
4 AUX-L
IE-BUS and HFM
18P Connector
PinNo. Signal Name PinNo. Signal Name
1 IE-BUS(+) 10 IE-BUS (-)
2 IE-BUS POWER ON 11 IE-BUS SHIELD GND
3 - 12 -
4 - 13-
5 - 14 -
6 HFM S-INPUT LEFT 15 -
7 HFM S-INPUT RIGHT 16 HFM S-INPUT GND
8 - 17 HFM SHIELD GND
9 - 18-
IE-BUS and HFM 18P Connector

6Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
SYSTEM CONFIGURATION

7Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
BLOCK DIAGRAM

8Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
DISASSEMBLING PROCEDURES
M015 : NAME-CARD(DY-1MU3E21-T)
*It is assembling procedure. Disassembling procedure is in reverse.

9Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
DISASSEMBLING PROCEDURES
Ⓒx 4
●Disassembling procedures
In reverse of assembling procedures.
●Assembling procedures
1. Lock connector after inserting M001 to the connector of S2-DY as figure below.
Then insert reverse side to M001 and lock the connector.
2. Screw M014 and S2-DY with Ⓒ. (4 places)
3. Stick M009 on M014. (Follow lower right figure)
4. Insert 2 tabs of M005 to the rectangle hole of S2-DY,
and fit tabs on the 2 sides of M005, the screw M005 with Ⓐ.
Ⓐx 2
M009 : SHEET-HS
M009 M014
M009 M014
M014 : CD8-MECHA(955823)
M001 : FLAT-CABLE 18P
S2-DY
M005 : COVER-U
M014 : CD8-MECHA(955823)
M009 : SHEET-HS
M001 : FLAT-CABLE 18P
M014
M014
No. Screw Tighten torque(N・m)
Ⓐ3X6 0.8 +0.2/-0.1
Ⓒ2.6X6S 0.6 +0.2/-0.1

10 Your company internal use only.Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3E21-T
DISASSEMBLING PROCEDURES
●Disassembling procedures
In reverse of assembling procedures.
●Assembling procedures
1. Fit tab of S2-DY on S2-PANEL. (8 places)
*Then, put FFC through A.
2. Lock FFC after screw S2-DY and S2-PANEL with Ⓒ. (4 places)
*FFC locked after bend standard of reinforcement sheet.
(Follow FIGURE 1)
Ⓒx 2
Ⓒx 2
S2-DY
S2-PANEL
No. Screw Tighten torque(N・m)
Ⓒ2.6X6S 0.6 +0.2/-0.1
S2-DY