Mitsubishi MOTORS DY-1MW7U53 Service Manual
DY-1MW7U53
Your company internal use only
MITSUBISHI MOTORS
SERVICE MANUAL
AM / FM-ST (MW / LW / FM-ST) ELECTRONIC TUNING RADIO,
CD PLAYER
Model : DY-1MW7U53
PART No: 8701A113
2006 DEC.
FEATURES and SPECIFICATIONS .................. 2
OPERATION .................................................. 3~5
RADIO DATA SYSTEM ...................................... 6
REAR VIEW and CONNECTORS ..................... 7
BLOCK DIAGRAM .............................................. 8
SYSTEM CONFIGURATION .............................. 8
DISASSEMBLING PROCEDURES .............. 9~11
EXPLODED VIEW and PARTS LIST ............... 12
SE012006113E
For the mecha part, please refer to the service manual of
CD7WMA(651)(2005 JUN.).
CONTENTS
IC EXPLANATION ...................................... 13~16
ELECTRICAL PARTS LIST ......................... 17,18
PARTS LAYOUT ON PRINTED CIRCUIT BOARD
PCB-MAIN ............................................... 19,20
SCHEMATIC DIAGRAM
PCB-MAIN .............................................. 21~25
VOLTAGE ............................................... 26,27
WAVEFORM ............................................... 28,29
MITSUBISHI ELECTRIC CORP. SANDA WORKS
Copyright (c) Mitsubishi Electric Corporation
FEATURES and SPECIFICATIONS
FEATURES
Radio
Manual preset function / Store 6 AM(MW) stations.
Manual preset function / Store some FM stations. (EU : 18
stations / AUS, CHINA, GCC and ROW : 6 stations)
Manual preset function / Store 6 LW stations. (EU only)
Auto Preset function / Store 6 AM stations and 6 FM stations. (AUS, CHINA, GCC and ROW only)
Auto Store function / Store 6 AM stations and 6 FM stations. (EU only)
Tune control function. (Rotary Switch)
ATC function. (Control BASS and TREBLE, Only AM
mode)
AM noise killer function. (AM-NK)
RDS function. (EU only)
CD Player
Power load / Power eject function.
Protecting laser pickup. (As high temperature)
Fast track up and Fast track down function.
Any Time Eject function. (All mode and ACC OFF)
Reload function.
Supporting 8cm / 12cm disc.
MP3 play function.
(MPEG1 AUDIO LAYER3, MPEG2 AUDIO LAYER3)
Shock proof memory.
Title display function.
Fast-forwarding and fast-reversing function.
[CD-DA]
Repeat function. (1 track)
Random function. (1 disc)
[MP3]
Folder Up / Down function. (TUNE knob)
Repeat function. (1 file / 1 folder)
Random function. (1 folder / All folder)
Audio Part
High power, 4 ch output. (4 load)
Adjustment of BASS, MID, TREBLE (± 6 step) and BALANCE, FADER (± 11 step). (TUNE knob)
Fixed-EQ (6 band x 4 ch) / Adjusting the sound filed char-
acteristic.
Auto loudness function / Changing the frequency charac-
teristic.
Limiting the value (BASS, TREBLE) as volume MAX.
Connecting the AMP and the RSES.
Customizing sound characteristic / Music type, Sound
Field, BASS, MID, TREBLE, FADER, BALANCE.
SPECIFICATIONS
AM (MW) Radio
Frequency Range
EU : 522 ~ 1611kHz (9kHz step)
AUS
CHI
NA : 531 ~ 1620kHz (9kHz step)
GCC : 531 ~ 1602kHz (1kHz step)
ROW : 531 ~ 1710kHz (1kHz step)
Sensitivity : Less than 32dB
Signal/Noise Ratio : More than 6dB
(15dBµV)
FM Stereo Radio
Frequency Range
EU / AUS / CHI
GCC / ROW : 87.5 ~ 108.0MHz (0.025MHz step)
Separation Characteristic : More than 14dB (43dBµV)
Signal/Noise Ratio : More than 17dB
LW Stereo Radio (EU only)
Frequency Range : 153 ~ 279kHz (1kHz step)
Sensitivity : Less than 32dB
Signal/Noise Ratio : More than 6dB
(15dBµV)
CD Player
Dynamic Range : More than 65dB
Signal/Noise Ratio : More than 65dB
Channel Separation : More than 55dB (1kHz)
Others
Power Supply : DC 13.2V (10.0~16.0V)
Battery Back Up Current : 1mA
Current Consumption : BATT 2.4A ± 20% (Output 1W)
Maximum Power Output : 35W x 4ch
Output Impedance : 4 (SP Output)
Dimensions : 178mm x 151.3mm x 100mm
Weight : 2.1kg
: 531 ~ 1710kHz (9kHz step)
NA : 87.5 ~ 108.0MHz (0.1MHz step)
Negative ground
( W x D x H )
Others
Sounding the beep as the long pushing button.
Interrupting the telephone voice.
Checking the speaker connection.
Operated the steering remote control.
Telephone mute function.
2
OPERATION
< SW-6ME7BLN, SW-6ME7BLP > (for EU)
Radio Mode
Preset Button ch1~6
Program Type/
Scan Button
Traffic Program Button
Volume Up Button
Volume Down Button
Power Button
CD Changer Mode
Fast Forward Button
Fast Reverse Button
Random Button
CD Disc Eject Button
Tune Up/Down
Button
FM/AM Changing Button Auto Tune Up/Down Button
CD Insertion Slot
Disc Up/Down Button
(only when using 6CD-
changer)
Disc Load Button
Repeat Button
CD Button
Display Button
Page Button
3
Folder Up/Down
Button
Sound/Menu
Changing Button
Track or File
Up/Down Button
< SW-6MA7BRN, SW-6MA7BRP > (for AUS)
Radio Mode
Preset Button ch1~6
Auto Program Button
Scan Button
Tune Up/Down
Button
CD Changer Mode
Fast Forward Button
Fast Reverse Button
Random Button
Volume Up Button
Volume Down Button
Power Button
FM/AM Changing Button Auto Tune Up/Down Button
CD Insertion Slot
Disc Up/Down Button
(only when using 6CD-
changer)
CD Disc Eject Button
Repeat Button
Folder Up/Down
Button
Sound/Menu
Changing Button
CD Button
Display Button
Disc Load Button
Page Button Track or File
Up/Down Button
4
< SW-6MX7BLN, SW-6MX7BLP > (for CHINA, GCC and ROW)
Radio Mode
Preset Button ch1~6
Auto Program Button
Scan Button
Volume Up Button
Volume Down Button
Power Button
CD Changer Mode
Fast Forward Button
Fast Reverse Button
Random Button
Tune Up/Down
Button
FM/AM Changing Button Auto Tune Up/Down Button
CD Insertion Slot
Disc Up/Down Button
(only when using 6CD-
changer)
CD Disc Eject Button
Repeat Button
CD Button
Display Button
Page Button
5
Disc Load Button
Folder Up/Down
Button
Sound/Menu
Changing Button
Track or File
Up/Down Button
RADIO DATA SYSTEM (EU only)
It automatically identifies RDS station by detecting RDS signal
transmitted from UKW stations.
1) PS (Program Service) Name
At the statement of RDS data receiving PS Name (station
name) should be displayed (priority over freq.).
2) TP (Traffic Program) and TA (Traffic Announcement)
a) Push TP button to activate TP function with " TP " indica-
tor in display.
When TA is received, display shows " TRAF INF " then
the station name of TA transmitter.
The unit can receive TA when broadcasted from not only
current station (If it is TP station) but the other network
stations supported by EON.
When TA is over, the original program (even CD) is re-
called and will be superseded again when the next TA is
broadcasted.
When you want to skip TA during receiving, just push TP
button to switch off TP mode.
b) If current station is not a RDS one, display shows " NO
RDS " then station frequency.
3) PTY (Program Type) Search
Your favorite program among 29 classifications can be se-
lected, then its qualified station is automatically searched.
a) Push PTY button to display PTY indicator and last PTY,
then searches stations with same PTY.
b)You can select your favorite PTY among the 29 catego-
ries classified in below using Tuning button or preset
button (CH1 to CH6) while PTY indicator appears in dis-
play.
c) When a desired PTY station can not be received the last
tuned station is restored with " EMPTY " displayed for 5
seconds.
4) PTY (Program Type) Language Selection
You can select your favorite language among English,
Swedish, French and German.
5) AF (Alternative Frequency)
With this function, the unit can keep the best receivable sta-
tion automatically among the same network as the current
station, when it becomes too weak and hard to listen.
(Initial setting at purchase is AF check ON.)
<AF check ON/OFF operation>
a) After switch off the power, then hold down CH5 button
and press the Power ON/OFF switch while 2 seconds.
At statement of AF check ON, display shows " AF ".
6) EMERGENCY ALARM
With this function, when the " Emergency Program " should
broadcasted the radio should receive it automatically at the
statement of ACC ON. At this time display shows " ALARM ".
7) CT (Clock Time)
Some RDS station broadcast time signal.
When CT function is ON, CT indicator appear in display,
and such a station is being received, this function automati-
cally adjusts clock to correct local time.
a) How to CT function ON/OFF
After switch off the power , then hold down CH4 button
and press the Power ON/OFF switch while 2 seconds.
At statement of CT check ON, display shows " CT ".
Classification Table of PTY
1 News (NEWS)
2 Current Affairs (AFFAIRS)
3 Information (INFO)
4 Sport (SPORT)
5 Education (EDUCATE)
6 Drama (DRAMA)
7 Culture (CULTURE)
8 Science (SCIENCE)
9 Varied (VARIED)
10 Pop Music (POP M)
11 Rock Music (ROCK M)
12 Easy Music (EASY M)
13 Light Classics (LIGHT M)
14 Classical (CLASSIC)
15 Other Music (OTHER M)
16 Weather Information (WEATHER)
17 Finance (FINANCE)
18 Children (CHILDREN)
19 Social (SOCIAL)
20 Religion (RELIGION)
21 Phone in (PHONE IN)
22 Travel (TRAVEL)
23 Leisure (LEISURE)
24 Jazz (JAZZ)
25 Country (COUNTRY)
26 Nation Music (NATION M)
27 Oldies (OLDIES)
28 Folk Music (FOLK M)
29 Documentary (DOCUMENT)
Initial Setting PTY in each CH button
CH No. PTY
CH 1 News (NEWS)
CH 2 Sport (SPORT)
CH 3 Weather Information (WEATHER)
CH 4 Pop Music (POP M)
CH 5 Rock Music (ROCK M)
CH 6 Classical (CLASSIC)
6
REAR VIEW and CONNECTORS
Panel / Amp
and AUX Input
18P Connector (P801)
6543
987 21
1011
1215161718 14 13
Power Supply, Speaker
20P Connector (P901)
10
6543
987 21
1920 11
1215161718 14 13
Main Antenna Socket
Sub Antenna Socket
Panel / Amp and AUX Input 18P Connector (P801)
Pin
No.
NAME
1 RADIO DISP DATA
2 RADIO SWITCH DATA
3 AMP DATA
4 OPTION Rch
5 OPTION GND
6 RSES/AUX Rch
7 HANDS FREE
8 HANDS FREE GND
9-
Power Supply, Speaker 20P Connector (P901)
Pin
No.
NAME
1 BATTERY (+)
2-
3 SPEAKER FL (+)
4 SPEAKER RL (+)
5 SPEAKER FR (+)
6 SPEAKER RR (+)
7 SHIELD GND
8-
9 REMOCON
10 ACCESSORY (+)
Pin
No.
NAME
10 SWITCH PANEL GND
11 AMP POWER ON
12 AMP DATA GND
13 OPTION Lch
14 RSES/AUX GND
15 RSES/AUX Lch
16 -
17 TEL MUTE
18 -
Pin
No.
NAME
11 POWER GND
12 -
13 SPEAKER FL (-)
14 SPEAKER RL (-)
15 SPEAKER FR (-)
16 SPEAKER RR (-)
17 ANTENNA +B
18 -
19 REMOCON GND
20 SPEED PULSE
7
BLOCK DIAGRAM
Antenna(Main)
<SCT1>
Antenna(Sub)
<SCT2>
Diversity
Circuit
<FE101>
World Band Tuner
(179E-2AF)
AM
FM
RDS
<P901>
20pin
Power Supply +BATT
ANT+B
Steering
Remote
Control
<P801>
18pin
Antenna Power
POWER-IC
(TDA7563)
BATT+
TEL-MUTE
HANDS-FREE
RSES/AUX
SAT
Sub-
Woofer
Amp
Panel/Display
AMP data/clk
display / switch
<IC307>
MUTE
UART
I/F
I/F
<IC8A1>
Single-END
MUTE
WDT
2nd
LPF
Woofer
<IC8C1>
<D201>
5.0V(for Tuner)
8.5V(for Tuner)
Audio -COM
(M30624MGP-349GP)
<IC800>
RR
RL
FR
FL
(AK4352)
Woofer
I2S
Sub-DSP
(AK7730AVT)
4Ch
<IC202>
Bus Buffer
(CD4066)
(SN74AHCT
244PWR)
RB531XN
CD L,R
DAC
5.0V
CD
I2C
(SN74LVTH244APWR)
5.0V
3.3V
8.0V
<J700>
<IC8N1>
EEPROM
<IC200>
Level conversion
Bus Buffer
Bus Buffer
(SN74AHCT244PWR)
<IC8C1>
3.3V
(DSP Analog)
3.3V
(DSP Digital)
3.3V
(DSP Analog)
I2S
(SAA7709/N103)
SPDIF
(DSP Digital)
FFC
Cereal
C-DSP
2Ch
<IC204>
3.3V
3.3V
(DSP Analog)
CD7WMA(950651)
Power
Supply
Analog LR
5 Line
SYSTEM CONFIGURATION
MAIN
ANTENNA
SW-6ME7BLN,etc.
8750A042 (Visteon)
ED-310RG-PJ2,etc.
AUX UNIT
SUB
ANTENNA
SWITCH
DISPLAY
RSES
OR
AUDIO UNIT
DY-1MW7U53
HANDS FREE KIT
SEPARATE
AMPLIFIER
CV-0MW7B51
8
+B
VEHICLE/
SEPARATE AMPLIFIER
REMOTE CONTROL
(STEERING)
ACC
ANTENNA
VEHICLE SPEED PULSE
TO SPEAKER HARNESS
DISASSEMBLING PROCEDURES
1. Removal of COVER (See Fig.1)
1) Unscrew the four screws ( 1 ).
2) Remove the COVER.
COVER
1
4(A)
2. Removal of CD7 (See Fig.2)
1) Unscrew the two screws ( 2 ).
2) Unscrew the two screws ( 3 ).
3) Remove the BRACKET-CD.
4) Remove the FLAT-CABLE 18P.
5) Remove the CD7.
CD7
FLAT-CABLE 18P
BRACKET-CD
3
Fig.1
2(A)
2
2(E)
Fig.2
9
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