Mitsubishi Electric DY-2X64WT-2-TH Bedienungsanleitung
SERVICE MANUAL
FM / AM ELECTRONIC TUNING RADIO,
CD PLAYER with CD CHANGER CONTROL
FEATURES/SPECIFICATIONS .................................. 2
OPERATION
DETACHABLE KEY BOARD (DKB) PART ....................... 3
RADIOPART .................................................................... 3
CD, CD CHANGER PART .................................................. 4
AUDIO & OTHERS PART .................................................. 5
REAR VIEW and CONNECTORS .............................. 6
SYSTEMCONFIGURATION ....................................... 7
BLOCK DIAGRAM ...................................................... 8
DISASSEMBLING PROCEDURES ...................... 9~11
EXPLODED VIEW and PARTS LIST ........................ 12
IC EXPLANATION ............................................... 13~16
ELECTRICAL PARTS LIST ................................. 17,18
PARTS LAYOUT ON PRINTED CIRCUIT BOARD
PCB-MAIN................................................................. 19,20
PCB-PANEL .................................................................... 21
SCHEMATICDIAGRAM
PCB-MAIN................................................................ 22~26
PCB-PANEL .................................................................... 27
VOLTAGE ................................................................. 28
WAVEFORM ............................................................. 29
CONTENTS
PART No : 8701A053
Model : DY-2X64WT-2-TH
For the mecha part, please refer to the service manual of CD7WMA(211) (2006 JUL.).
MITSUBISHI ELECTRIC CORP. SANDA WORKS
SE011306093E Copyright (c) Mitsubishi Electric Corporation
MITSUBISHI MORTORS
DY-2X64WT-2-TH
2006 SEP.Your company internal use only
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2
FEATURES / SPECIFICATIONS
FEATURES
Audio Amp
Including high power 4CH Amp.
Adjustment of BASS,TREBLE, FADER and BALANCE by the
audio adjustment button.
Sound preset function. (Sound adjustment state can preset
the 6 sorts.)
Auto loudness function varies a frequency characteristic by
volume.
The function that controls the amount of change in the low /
high frequency tone (BASS / TREBLE) adjustment with the
maximum volume.
ATC (Auto Tone Control) function that controls the low / high
frequency tone (BASS / TREBLE) by radio-field strength at
the receipt of AM.
Radio
FM and AM can preset the 6 stations.
Improvement in the tuning operationality by the Auto store
function.
TUNE button is a double function button operating of auto-
matic tuning and manual tuning.
CD Player
Power Loading / Power Eject function.
Skip recovered function.
(Recovered the condition before skip.)
Protected function of laser pick-up stopping at high tempera-
ture.
Quick track selection function.
Fast-forward / fast-rewind replay function.
Repeat function. (One tune)
Scan function : 10 sec
Available for loading both 8cm and 12cm disc.
Random play function.
Any time Eject function. (Eject at the all mode included ACC
OFF.)
CD-MP3 reproduction function.
(CD-DA/MP3 coexistence disc, TITLE/ID3tag display, MPEG-
1 AUDIO Layer3, MPEG-2 AUDIO Layer3)
Others
CD auto changer / in-dash CD changer operating function.
M-BUS is used the method of communication with CD auto
changer, in dash CD changer, MD player and LCD monitor.
The connection of speaker wiring can check by test mode of
the beep in the vehicle's assembly line.
Each mode is display on the connected LCD monitor (audio
display).
Control of panel buttons illumination and the connected
LCD illumination brightness by rheostat.
Telephone mute function.
Telephone voice interrupt function.
Stereo AUX input terminal equipnment.
Even during BATT OFF, the channel preset memory is re-
tained (usage of EEPROM).
The beep sounds, to check an operation, by using a button
with hold-pushing operation function (using the buzzer on the
vehicle side).
Theft prevention security function by PANEL OUT. (Blink
alarm-flash LED at ACC OFF.)
Put out lights of the lamp by PANEL OUT at ILL ON.
SPECIFICATIONS
FM Radio
Frequency Range : 87.5 ~ 108.0MHz
(SEEK:50kHz / STEP:25kHz)
Intermediate Frequency : 10.7MHz
Sensitivity (-3dB Limiting) : Less than 14dB(µV)
AM Radio
Frequency Range : 531 ~ 1629kHz
(SEEK:9kHz,1kHz / STEP:1kHz)
Intermediate Frequency : 450kHz
Sensitivity (20dB S/N) : Less than 32dB(µV)
CD Player
Laser : Semiconductor Laser
DA Convertor : 16bit
Dynamic Range : More than 65dB
Signal/Noise Ratio : More than 65dB
Channel Separation : More than 40dB
Others
Power Supply : DC 12V (11~16V)
Test Voltage 13.2V
Negative ground
Battery Back Up Current : Less than1.0mA
Current Consumption : ACC 2.4A ± 20%
(Output 1W)
: ACC 10A ± 20%
(MAX.Output)
Maximum Power Output : 25W x 4
Output Impedance : 4
Dimensions : 178(W) x 169(D) x 50(H)mm
Weight : 1.3kg
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3
Detachable Key Board (DKB)
To effectively prevent theft of the car stereo, the Control Key
Board can be removed rendering the set absolute use-
less.
How to remove the Key Board:
Slide the RELEASE switch rightward, and take the Key
Board out of panel when it comes lose. (When the Key
Board is removed, the power is turned off.)
How to reinstall the Key Board:
Side it in its original position and push it in slightly until it is
locked. (At that time, the power is automatically switched
on.)
Always keep the surface of electric contacts of the Key
Board clean to prevent malfunctions due to the dust or rust.
Alarmed Flash
When switching off the ignition key, the set flashes the red
ALARMED light to indicate the set under armed condition
against the theft.
OPERATION
DETACHABLE KEY BOARD (DKB) PART
RELEASE Switch
ALARM FLASH
PARTIAL PANEL OUT
RADIO PART
RADIO ON Button (AM)
Memory and Preset Channel Button
Memory : Push the button 1.5 seconds or more.
Preset : Push the button less than 1.5 seconds.
Tuning Up/Down Button
Step : Push the button less than 0.5 seconds.
Seek : Push the button 0.5 seconds or more.
Power ON/OFF (Push)
Volume Control(Endless) RADIO ON Button (FM) SCANButton
Automatic tuning in improvement button.
(Reception for the 10 seconds)
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4
CD Mode Button
CD CD-X CD Changer
CD Changer Disc Selection Down Button
CD, CD CHANGER PART
CD Scan Button
Track Selection Up Button
(Push the button less than 0.5 seconds)
Fast-forward Button
(Push the button 0.5 seconds or more)
Track(File) Selection Up Button (MP3)
(Push the button 0.5 seconds or more)
CD Changer Disc Selection Up Button
EJECT Button CD SLOT
Repeat Play Button Track Selection Down Button
(Push the button less than 0.5 seconds)
Fast-rewind Button
(Push the button 0.5 seconds or more)
Track(File) Selection Down Button(MP3)
(Push the button less than 0.5 seconds)
<Coexistence Disc Operation Transition>
(Push the button less than 1.5 seconds,
and the operation sound is generated.)
CD-DA MP3 AUX
FOLDER Selection Up Button(MP3)
FOLDER Selection Down Button(MP3) PAGE Sender Button(MP3)
Random Play Button
TEXT Selection Button(MP3)
<For CD-TEXT>
Display usually(Track and elapsed time) Disc Name Track Name
<For MP3>
[Title display usually]
Display usually(FOLDER, Track and elapsed time) FOLDER Name File Name
[ID3-TAG Title display]
Display usually(FOLDER, Track and elapsed time) Album(assistance display) (in
two seconds)Album Title Track(assistance display) (in two seconds)FileName-
Folder Name Artist(assistance display) (in two seconds)Artist
The display mode is changed by the pushing the botton long press.
[Title display usually] [ID3-TAG Title display]
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5
AUDIO & OTHERS PART
1)Level Control BASS/TREBLE/FADER/BALANCE
Push the AUDIO Button to select function among BASS/
TREBLE/FADER/BALANCE.
At the each AUDIO mode, push AUDIO Control Up/Down
Button to change its level according to the indication as the
right or below display.
After 7 seconds, the previous screen will be automatically
resumed.
AUDIO Control
BASS _+
TREBLE _+
FADER R F
BALANCE L R
Button
Up
Down
Power ON/OFF (Push)
Volume Control (Endless)
AUDIO Control Up Button
AUDIO Control Down Button
DISPLAY Button
SCANButton
When the scan operation reaches the first track of
which first 10 seconds was played, it is automati-
cally and normal playback starts.
AUDIO Control
Mode Selection Button
BASS TREBLE FADER BALANCE
Cancel
ID code
Function Setting OFF Button Function Setting ON Button
AUDIO Control Memory and Preset Channel Button
Memory : Push the button 1.5 seconds or more.
Preset : Push the button less than 1.5 seconds.
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6
REAR VIEW and CONNECTORS
1: M-BUSY
2: M-DATA
3: REMO SIG 1
4: _
5: TEL MUTE 1
6: TEL SIG 1
7: TEL GND 1
8: M-SCK
9: Shield Earth
10: REMO SIG 2
11: _
12: Aux L
13: Aux R
14: Aux GND
14P CONNECTOR (J802)
1: Signal GND
2: BUS L
3: _
4: BUS R
5: _
6: _
7: Accessory ( + )
DIN 13P CD Changer CONNECTOR (J801)
1: Speaker FR ( + )
2: Speaker FL ( + )
3: Illumination ( + )
4: Antenna +B
5: Speaker RL ( + )
6: Speaker RR ( + )
7: Speaker FR ( _)
8: Speaker FL ( _)
9: Illumination ( _)
10: Battery ( + )
11: Accessory ( + )
12: _
13: Speaker RL ( _)
14: Speaker RR ( _)
14P CONNECTOR (P901)
12345
6
7
14 13 12 11 10 9 8
43 21
87 6 5
12 11 10 9
13
H
14P CONNECTOR (J802) DIN 13P CD Changer
CONNECTOR (J801)
TERMINAL EARTH
ANTENNA SOCKET
1234567
891011121314
14P CONNECTOR (P901)
8: _
9: Battery ( + )
10: Illumination ( + )
11: M-BUSY
12: M-SCK
13: M-DATA
H: Shield Earth
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8
BLOCK DIAGRAM
EEPROM
BR93LC56FV
MAIN µ-COM
µPD780076GK-699-9ET
Panel Key
PLL-IC
LC72151VS
RDS Decoder
BU1924F
ELE-VOL
LC75411UES
PCB-PANEL
PCB-MAIN
M-Bus
CCB-Bus
TUNER
184E-3AF
(F.E.+FM-IF)
Connector
P901
Connector
J801
M-Bus
Buffer
8V Power
Supply Circuit
Power-IC
LA4742
Low-Boost
Circuit
CD-7
Mecha
5V Power
Supply Circuit
Output
9V Power
Supply Circuit
Connector
P801
12V
Connector
J802
RV meter
PST-3464
RESET
XTAL
8MHz
ANALOG SW
CD4066BPWR
BUFFER
NJM4565V
3.3V Power
Supply circuit
S-818A33AUC-BGN
FE1 IC201 IC802
X201
XTAL
4.332MHz
IC101
XTAL
10.35MHz
X101
IC305
X801
IC301
IC3A1
IC302
IC803
IC981
LEVEL SHIFTER
IC804 IC805
BUFFER AMP
NJM4565V
IC303
IC304
BUFFER AMP
NJM4565V
Antenna
SN74AHC2G34HDCTR
LEVEL SHIFTER
SN74AHCT244
IC801
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9
DISASSEMBLING PROCEDURES
2. Removal of CD7 (See Fig.2)
1) Unscrew the four screws ( ).
2) Remove the FLAT-CABLE 18P.
3) Remove the CD7.
1
2
3
1
2
4 (M)
COVER
PLATE-SPR
PLATE-SPR
(J)
1
(J)
(Fig.1)
3
4 (L)
CD7
FLAT-CABLE 18P
(Fig.2)
1. Removal of PLATE-SPR and COVER (See Fig.1)
1) Unscrew the two screws ( ).
2) Remove the two PLATE-SPR.
3) Unscrew the four screws ( ).
4) Remove the COVER.
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10
3. Removal of HEAT-SINK and BRACKET-DECK (See Fig.3)
1) Unscrew the two screws ( ) and the two screws ( ).
2) Remove the HEAT-SINK.
3) Remove the two screws ( ).
4) Remove the BRACKET-DECK.
4. Removal of ASSY-PNL and CHASSIS-F (See Fig.4)
1) Remove the ASSY-PNL and SHEET-CD.
2) Remove the two screws ( ).
3) Remove the CHASSIS-F.
4
5
6
7
5
62 (M)
42 (P)
HEAT-SINK
BRACKET-DECK
(M)
5(M)
(Fig.3)
7
2 (M)
ASSY-PNL
SHEET-CD
CHASSIS-F
(Fig.4)
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