Page 1
Model : DY-3A66U-AL
SERVICE MANUAL
AM/FM-ST ELECTRONIC TUNING RADIO
with CD CHANGER
MITSUBISHI
PART No. MN141332
DY-3A66U-AL
SE002405023E
FEATURES AND SPECIFICATIONS................. 2
OPERATION ...................................................... 3
CONNECTORS ............................................... 4,5
DISASSEMBLING PROCEDURES................. 6,7
BLOCK DIAGRAM.............................................. 8
EXPLODED VIEW, AND PARTS LIST .............. 9
IC EXPLANATION....................................... 10,11
ELECTRICAL PARTS LIST......................... 12,13
PRINTED CIRCUIT BOARD
PCB-MAIN ............................................... 14,15
PCB-SUB .................................................... 16
SCHEMATIC DIAGRAM
PCB-MAIN,SUB.......................................17~21
VOLTAGE ............................................... 22,23
WAVEFORM .................................................... 24
CONTENTS
2005 MAR.
Page 2
2
FEATURES AND SPECIFICATIONS
SPECIFICATIONS
AM Radio
Frequency Range : 531 ~ 1,710kHz
Sensitivity : Less than 28dB
Signal/Noise Ratio : More than 45dB
(60dBµV)
FM Stereo Radio
Frequency Range : 87.5 ~ 108.0MHz
Limiting Sensitivity : Less than 10dB
Signal/Noise Ratio : More than 55dB
(40dBµV)
CD Player
Laser : Semiconductor Laser
DA Convertor : 1bit
Dynamic Range : More than 65dB
Signal/Noise Ratio : More than 65dB
Channel Separation : More than 50dB (1kHz)
Others
Power Supply : DC 13.2V (11~16V)
Test Voltage 13.2V
Negative ground
Battery Back Up Current : Less than1.0mA
Current Consumption : ACC 2.1A ± 20% (Output 1W)
Maximum Power Output : 45W x 4 (SP output)
Output Impedance : 4 (SP Output)
Dimensions : 178mm x 151.3mm x 100mm
( W
x
D x H )
Weight : 2.0kg
FEATURES
Radio
AM can preset the 6 station and FM (FM1/FM2) can preset
the 12 station.
It is able to memory by keep pushing the preset memory
button.
TUNE control by Rotary SW.
ATC function to control BASS/TREBLE sound quality
according to electric field strength when AM is received.
AM noise killer function.
SCAN function : Seeking receivable stations and receiving
5 seconds in each station.
CD Player
In-dash CD auto changer (6disc) function.
Power Loading / Power Eject function.
Equipped with the shock proof memory.
(16M-DRAM)(CD-DA:10.4sec)
Skip recovered function.
(Recovered the condition before skip.)
Protected function of laser pickup stopping at high temperature.
Quick truck selection function.
Any time Eject function. (Eject at the all mode included
ACC OFF.)
Scan function : 10 sec
Reload function.
Available for loading 12cm disc only.
MP3 play function.
(MPEG1 AUDIO LAYER3, MPEG2 AUDIO LAYER3)
Repeat function. (One tune)
Random play function.
Fast-forwarding and fast-reversing function.
MP3
Folder Up/Down function by TUNE knob.
Audio Part
High power, 4 channel output. (4 load)
Adjustment of BASS,TREBLE,BALANCE,and FADER by
Rotary SW.
ITM (Independent Tone Memory) function to memorize
amount of BASS/TREBLE adjustment according to mode.
Fixed EQ matched to car room sound filed characteristic.
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.
Others
M-BUS is used the method of communication with CD
changer.
The beep sounds, to check an operation, by using a button
with hold-pushing operation function.
Rheostat function. (The intensity of buttons, panel and LCD
can adjust to link with the intensity of vehicle's instrument
panel lighting).
The connection of speaker wiring can check by test mode of
the beep in the vehicle's assembly line.
Steering Remote control.
Hands free function.
VES (Video Entertainment System) function.
Page 3
3
OPERATION
RADIO & AUDIO PART
CD Load / Eject
Button
Power Switch
Volume Adjustment Knob
Change Radio
(FM AM)
Auto Tune
UP/DOWN Button
Audio Adjustment
Switch Knob
(Manual Tune
UP/DOWN Button)
CD CHANGER PART
Preset Memory Button
(AM-6 / FM-12)
CD Button
Track Select
UP / DOWN Button
Disc Select Button
Repeat / Random
Button
Radio SCAN
UP Button
READY INDICATOR
FF / REW Button
<< UNIQUE PANEL : SW-744, SW-745 >>
CDDA
Push the button 1.5 seconds
or more.
MP3
Folder select
UP/DOWN Knob
CD SCAN UP
Button
Audio Adjustment
Switch Knob
Power Switch
Volume Adjustment Knob
Page 4
4
17 LAMP
18 LAMP
19 SENCE CAR
20 VDD
21 TUNE2
22 TUNE1
9 AD2
10 AD1
11 GND
12 ENABLE(LED)
13 DATA(LED)
14 LAMP GND
15 LAMP GND
16
1 LATCH(LED)
2 CLOCK(LED)
3
4 AUDIO-SW
5 VOL2
6 VOL1
7 EJECT-SW
8 POWER-SW
Pin
No.
Name
Pin
No.
Name
Pin
No.
Name
22P Connector
CONNECTORS
1234567891011
12131415 16171819202122
22P Connector
< FRONT SIDE VIEW >
Page 5
5
Pin
No.
1 Signal GND
2 Lch
3
4 Rch
5
6
7 ACC (+)
Name
Pin
No.
8
9 Battery (+)
10 Illumination Level
11 M-BUSY
12 M-SCK
13 M-DATA
H Shield Earth
Name
CD Changer 13P DIN SocketPower supply 14P Connector
8 Speaker FL (-)
9 Illumination (-)
10 Battery (+)
11 Accessory (+)
12
13 Speaker RL (-)
14 Speaker RR (-)
1 Speaker FR (+)
2 Speaker FL (+)
3 Illumination (+)
4 Antenna + B
5 Speaker RL (+)
6 Speaker RR (+)
7 Speaker FR (-)
Pin
No.
Name
Pin
No.
Name
Remote control 10P Connector
6 REMO-OUT
7 Telephone Mute
8 Telephone GND
9 M-BUSY
10 Shield Earth(M-BUS)
1 REMO-IN
2
3 Telephone Signal
4 M-SCK
5 M-DATA
Pin
No.
Name
Pin
No.
Name
Antenna Socket
12345
6
7
141312 1110 9 8
14P Connector
CD Changer
13P DIN Socket
1
23
4
5
6
7
13
12 1110 9
8
H
12345
6
710 9 8
10P Connector
< REAR SIDE VIEW >
Page 6
6
2. Removal of CDX2 (See Fig.2)
1) Unscrew the six screws ( 2 ) .
2) Remove the HEAT-SINK.
3) Unscrew the four screws ( 3 ) .
4) Remove the BRACKET-CDX
and FLAT-CABLE.
5) Remove the CDX2.
Fig.2
DISASSEMBLING PROCEDURES
1. Removal of COVER (See Fig.1)
1) Unscrew the four screws ( 1 ) .
2) Remove the COVER.
Fig.1
1
4
COVER
2
6
3
2
3
2
CDX2
HEAT-SINK
FLAT-CABLE
BRACKET-CDX
Page 7
7
4. Removal of PCB-MAIN and PCB-SUB (See Fig.4)
1) Unscrew the two screws ( 5 ), and three screws ( 6 ) .
2) Remove the FLAT-CABLE.
3) Remove the CHASSIS-L and the CHASSIS-R and PCB-SUB.
4) Unscrew the one screw ( 7 ) and two screws ( 8 ) and
three screws ( 9 ).
5) Remove the PCB-MAIN.
Fig.4
3. Removal of LEAD-CONNECTOR (See Fig.3)
1) Unscrew the four screws ( 4 ) .
2) Remove the CHASSIS-F and HOLDER-CON.
5) Remove the LEAD-CONNECTOR.
Fig.3
4
2
4
2
HOLDER-CON
LEAD-CONNECTOR
CHASSIS-F
8
2
9
3
6
2
7
5
CHASSIS-R
PCB-MAIN
5
6
FLAT-CABLE
CHASSIS-L
PCB-SUB
Page 8
8
BLOCK DIAGRAM
AM/FM
TUNER
RADIO 10V
POWER SUPPLY
AUDIO 8.5V
POWER SUPPLY
AM NK
HA12181
PRE AMP
NJM4565V
POWER-IC
TDA7560
LOW PASS
FILTER
NJM2100
M-BUS
BUFFER
PRE AMP
NJM4565V
PANEL 5V
POWER
SUPPLY
LAMP+
POWER
SUPPLY
DIGITAL 3.3V
POWER
SUPPLY
DSP
AK7740
ANALOG 3.3V
POWER
SUPPLY
MECHA DSP 3.3V
POWER SUPPLY
DIGITAL 6.2V
POWER SUPPLY
BUS BUFFER
SN74LV541A
BATTERY 5V
POWER SUPPLY
MECHA SERVO 8V
POWER SUPPLY
RHEOSTAT
Page 9
9
EXPLODED VIEW, AND PARTS LIST
ABC
1
2
3
4
A
4
A
4
D
2
A
2
A
2
B
2
B
6
C
3
E
A
A
A
B
M001
M002
M003
M004
M005
M006
M007
M008
M009
M010
M011
M012
M013
M014
M015
M016
M017
1
1
2
2
4
4
3
3
M001 246L341O5 FLAT-CABLE 18P B-2
M002 246L43311 LEAD-CONNECTOR-22P B-3
M003 560J30110 CHASSIS-B C-3
M004 560J30310 CHASSIS-L A-2
M005 560J30311 CHASSIS-R C-2
M006 560J30210 CHASSIS-F A-3
M007 591K38610 COVER A-1
M008 591K50410 HOLDER-CON A-3
M009 591K49410 BRACKET-CDX C-1
M010 246L346O7 FLAT-CABLE 18P B-1
M011 635J08310 HEAT-SINK C-2
M012 592L966O2 HOLDER-IC B-2
M013 643L015O3 SHEET A-3
M014 943M179O5 NAME-CARD A-1
M015 851L262O4 LABEL-CAUT B-1
M016 941L73813 CDX2(533) B-1
M017 643L13911 SHEET-M-BASE B-1
A 653P11046 SCREW-S-PAN 3X6 B 653P11048 SCREW-S-PAN 3X10 C 653P11049 SCREW-S-PAN 3X12 D 669L057O1 SCREW-TAP 3X6 E 669L077O2 SCREW-TAP 3X6 -
Ref.No. Part No. Description Index
Page 10
10
IC201,960,961 LF33ABPT
1
INHIBIT
CONTROL
V
IN
3
V
OUT
2
GND
REFERENCE
VOLTAGE
TERM.
PROTECTION
DRIVER
CURRENT
LIMIT
DUMP
PROTECTION
START
INHIBIT
ERROR
AMPLIFIER
IC EXPLANATION
1
14
2
5
11
IF AGC
DETECTION
OUTPUT AF AGC
15 12
13
16
4
7
3
68
10
9
IF
INPUT
A
F
INPUT
PHASE
CONDENSER
HOLDING
CONDENSER
BY-PASS
CAPACITOR
AF
OUTPUT
IF AGC
IF
AMP
.
LPF
DETECTION
PULSE
DETECTION
CONSTANT
CURRENT
SOURCE
CIRCUIT
HPF 1
LPF
AF
AMP.
AF
AGC
OR
PULSE
DETECTION
(1)
HPF
NOISE
AGC
GATEPULSE
GENERATO
R
CONSTANTVOLTAGE
CIRCUIT
SW1
SW2
PHASE
CIRCUIT
LEVEL
DIFFERENTIAL
DETECTION
CIRCUIT
SW3
CONSTANT
CURRENT
CIRCUIT
(WAVEFORM
COMPENSA
TION)
SW4
SW5
BYPASS
AMPLIFIER
(WAVEFORM
COMPENSA
TION)
BUFFER
AMPLIFIER
PULSE
DETECTION
(2)
GATEPULSE (1)
GATEPULSE
(2)
(1)
(2)
1
19
2
3
4
5
6
7
8
9 11
12
13
14
15
16
17
18
OE1
OE2
A1
A2
A3
A4
A5
A6
A7
A8 Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
IC302 SN74LV541APWIC802 PST9136
5
4
3
VCC
OUT
GND
CO1
OP1
+
+
IC1 HA12181FP-EL
Page 11
11
IC380 RC2100M/NJM2100M
IC330 TDA7560
1
2
3
4
8
7
6
5
OUTPUT A
INPUT A
+ INPUT A
VCC
+ VCC
OUTPUT B
INPUT B
+ INPUT B
IC321,390,421 NJM4565V-TE1
OUT1
-- IN1
+IN1
V--
V+
OUT2
-- IN2
+IN2
3
2
1
4
6
7
8
5
AB
1
4
Vcc1
ST-BY
25
HSD/V
OFF
DET
9
OUT1+
7
OUT1P-GND1
5
OUT2+
3
OUT2P-GND2
17
OUT3+
19
OUT3P-GND3
21
OUT4+
23
24
18
2
8
13
1
10
16
OUT4P-GND4
AC-GND SVR TAB S-GND
22
MUTE
11
IN1
12
IN2
15
IN3
14
IN4
1
Vcc2
HSD
IC301 AK7740
LRCLK
LRCLK
RQ
*SW1,SW2,SW3,ISEL[2:0],
OUTAE control register
SDOUTA
OUTAE
SW3
SW0
SDATA
SDATA
SDATA
SW2
SW2
SW1
DSP
CONTROLLER
ADC
VREF
DAC1
DAC2
72kbit DLRAM
SDINA
SDIN
RQ
SI SI
SO SO
SDINA
SDIN
ISEL[2:0]
SDOUTD1
SDOUTD2
SDOUT
SCLK SCLK
RDY RDY
DRDY DRDY
JX JX
BITCLK
BITCLK
CLKOUT
CLKOUT
XTI
XTI
XTO
XTO
SMODE
SMODE
INIT_RESET
INIT_RESET
R_RESET
R_RESET
AINL-
AINL-
AINL+
AINL+
AINL1
AINL2
AINL3
AINL4
AINR-
AINR-
AINR+
AINR+
AOUTL
AOUTR
AOUTL
AOUTR
AINR1
AINR2
AINR3
AINR4
VREFH
VCOM
AOUTL1
AOUTL2
AOUTR1
AOUTR2
SDOUT
Pin No.
1
2
3
4
5
6
7
8
9
10
Pin Name
AINL3
AINR2
AINL2
AINR1
AINL1
VREFH
AVDD
AVSS
DVSS
DVDD
Pin No.
11
12
13
14
15
16
17
18
19
20
Pin Name
XTI
XTO
CLKO
JX
SMODE
LRCLK
BITCLK
SDIN
SDINA
SDOUTA
Pin No.
21
22
23
24
25
26
27
28
29
30
Pin Name
SDOUT
DRDY
DVSS
DVDD
RDY
SO
SI
SCLK
RQ
S_RESET
Pin No.
31
32
33
34
35
36
37
38
39
40
Pin Name
INIT_RESET
DVDD
DVSS
BVSS
AOUTR2
AOUTL2
AOUTR1
AOUTL1
AVDD
VCOM
Pin No.
41
42
43
44
45
46
47
48
Pin Name
AVSS
AINR-
AINR+
AINLAINL+
AINR4
AINL4
AINR3
Page 12
12
103L199O9 R-CHIP 0
103L299O9 R-CHIP 0
103L249O9 R-CHIP 0
103L290O5 R-CHIP 22
103L290O9 R-CHIP 47
103L291O1 R-CHIP 68
103L291O3 R-CHIP 100
103L291O9 R-CHIP 330
103L241O9 R-CHIP 330
103L292O1 R-CHIP 470
103L292O2 R-CHIP 560
103L292O5 R-CHIP 1k
103P502O5 R-CHIP 1k
103L292O6 R-CHIP 1.2k
103L292O7 R-CHIP 1.5k
103L292O8 R-CHIP 1.8k
103L292O9 R-CHIP 2.2k
103L192O9 R-CHIP 2.2k
103L293O0 R-CHIP 2.7k
103L193O0 R-CHIP 2.7k
103L293O1 R-CHIP 3.3k
103L193O1 R-CHIP 3.3k
103L193O2 R-CHIP 3.9k
103L293O2 R-CHIP 3.9k
103L293O3 R-CHIP 4.7k
103P503O3 R-CHIP 4.7k
103L293O4 R-CHIP 5.6k
103L293O5 R-CHIP 6.8k
103L293O6 R-CHIP 8.2k
103L293O7 R-CHIP 10k
103L293O8 R-CHIP 12k
103P503O8 R-CHIP 12k
103P503O9 R-CHIP 15k
103L293O9 R-CHIP 15k
103L294O0 R-CHIP 18k
103L294O1 R-CHIP 22k
103L294O3 R-CHIP 33k
103L294O5 R-CHIP 47k
103L294O7 R-CHIP 68k
103L294O9 R-CHIP 100k
103P504O9 R-CHIP 100k
103L295O1 R-CHIP 150k
103L295O2 R-CHIP 180k
Q927 260L020O9 TR 2SB1240Q
Q980 260P11410 TR 2SB1561Q
Q201,205,etc. 260P68210 TR 2SD2375OP
Q762,772,etc. 260M061O6 TR-CHIP 2SA1037AR
Q31 260P11710 TR-CHIP 2SA1364
Q1,2,etc. 260M061O5 TR-CHIP 2SC2412S
Q940 260P102O1 TR-CHIP 2SD2318
Q941 260P12510 TR-CHIP 2SD2537
103L295O3 R-CHIP 220k
103L295O6 R-CHIP 390k
R8N1,8N2,8N8 109P01218 R-NETWORK-CHIP 1k
R3N1 109P01219 R-NETWORK-CHIP 4.7k
R8N4,8N7 109P01213 R-NETWORK-CHIP 10k
R8N5 109P01216 R-NETWORK-CHIP 47k
R8N6 109P01225 R-NETWORK-CHIP 100k
141L180O6 C-CERAMIC-CHIP 5pF
141L181O3 C-CERAMIC-CHIP 12pF
141L181O9 C-CERAMIC-CHIP 22pF
141L182O7 C-CERAMIC-CHIP 47pF
141L183O5 C-CERAMIC-CHIP 100pF
141L160O5 C-CERAMIC-CHIP 470pF
141L160O9 C-CERAMIC-CHIP 1000pF
141L185O9 C-CERAMIC-CHIP 1000pF
141L161O1 C-CERAMIC-CHIP 1500pF
141L161O3 C-CERAMIC-CHIP 2200pF
141L161O5 C-CERAMIC-CHIP 3300pF
141L161O7 C-CERAMIC-CHIP 4700pF
141L162O1 C-CERAMIC-CHIP 0.01µF
141L162O3 C-CERAMIC-CHIP 0.015µF
141L164O3 C-CERAMIC-CHIP 0.033µF
141L164O5 C-CERAMIC-CHIP 0.068µF
141L164O6 C-CERAMIC-CHIP 0.1µF
141L063O2 C-CERAMIC-CHIP 0.1µF
141L164O8 C-CERAMIC-CHIP 0.22µF
141L069O5 C-CERAMIC-CHIP 1µF
C951 181P73110 C-ELE-CHIP 100uF/10V
C326,954 181P73111 C-ELE-CHIP 220µF/10V
C302,304,etc. 181P73123 C-ELE-CHIP 10µF/16V
C322,323,etc. 181P73149 C-ELE-CHIP 4.7µF/35V
C370,390,etc. 181P73162 C-ELE-CHIP 2.2µF/50V
Part No. L
141L06xOx 2.0mm
141L16xOx 1.6mm
141L18xOx 1.6mm
Part No. L
103L19xOx 2.0mm
103L24xOx 3.2mm
103L29xOx 1.6mm
103P50xOx 1.6mm
ELECTRICAL PARTS LIST
< Chip Parts (Resistors & Capacitors) >
SOLDERING PART
L
CHIP PARTS (CAPACITORS)
CHIP PARTS (RESISTORS)
Ref. No. Part No. Description Ref. No. Part No. Description
TRANSISTOR
Page 13
13
X301 285P11422 CRYSTAL
X801 285P093O1 CRYSTAL
H-TR-1,4 593L34010 HOLDER TR
H-TR-2,3,5 593L29210 HOLDER-TR
LC301,302 409P047O1 LC-MULTIPLE-CHIP
LC321,370,etc. 409P023O1 LC-MULTIPLE-CHIP
F925 299P128O3 PROTECTOR
Z2,701 299P136O2 PROTECTOR
PLATE1,3,4 443P01012 TERMINAL
FE1 295P21613 TUNER
IC301 263P22010 IC AK7740
IC1 266L067O1 IC HA12181FP-EL
IC201,960,961 266P61410 IC LF33ABPT
IC321,390,421 266L065O9 IC NJM4565V-TE1
IC802 266L064O5 IC PST9136
IC380 266L034O9 IC RC2100M/NJM2100M
IC302 263P99010 IC SN74LV541APW
L801~811,etc. 351P091O8 COIL-CHIP
L901 351P11310 COIL-CHOKE
L902 351P048O1 COIL-CHOKE
L1 351P082O6 COIL-CHOKE-CHIP
L201 351P081O6 COIL-CHOKE-CHIP
L3 351P083O6 COIL-CHOKE-CHIP
L301,302,etc. 351P095O4 COIL-CHOKE-CHIP
L940 351P082O0 COIL-CHOKE-CHIP
IC330 266P62810 IC TDA7560
IC801 262P51710 IC µ PD70F3035BYGC-8EU
D901,903 264L042O1 DIODE ERA15-02
D201,940 264P607O1 DIODE-CHIP 1SR154-400
D203,204,etc. 264L060O1 DIODE-CHIP 1SS355
D944 264P617O1 DIODE-CHIP MC2836-T50-1
D943 264P618O1 DIODE-CHIP MC2838-T50-1
D902 264P516O1 DIODE-CHIP S3D6600
D205 264L067O3 DIODE-Z-CHIP MA8051M
D941,990 264L067O2 DIODE-Z-CHIP MA8056H
D202,802 264P584O1 DIODE-Z-CHIP MA8068M
D807~813 264P584O5 DIODE-Z-CHIP MA8075H
D801,942 264P584O7 DIODE-Z-CHIP MA8082M
D980 264P584O9 DIODE-Z-CHIP MA8091L
D910,911 264P585O6 DIODE-Z-CHIP MA8110M
D375,475.etc. 264P588O6 DIODE-Z-CHIP MA8270M
Q750,760,770 260L010O1 TR-CHIP 2SD601AS
Q752 260L042O4 TR-CHIP DTA114T
Q333,942 260M061O1 TR-CHIP DTA124E
Q202,207,991 260L030O5 TR-CHIP DTA143E
Q967 260L030O3 TR-CHIP DTA144E
Q332 260L042O2 TR-CHIP DTA144T
Q944 260L057O1 TR-CHIP DTB123Y
Q928 260M061O9 TR-CHIP DTC114E
Q801,943 260L042O7 TR-CHIP DTC114T
Q301~303 260L014O8 TR-CHIP DTC123E
Q3,103,etc. 260M061O2 TR-CHIP DTC124E
Q32,203,etc. 260L014O2 TR-CHIP DTC143E
Q802 260L030O2 TR-CHIP DTC144E
Q321,421,etc. 260L033O1 TR-CHIP DTC323T
DIODE
IC
Ref. No. Part No. DescriptionRef. No. Part No. Description
CONNECTORS
OTHERS
RESISTOR
COIL
RF901 103L390O2 R-FUSE
P804 452L083O8 CONNECTOR 8P
P903 452P23210 CONNECTOR 10P
P803 452L094O2 CONNECTOR 12P
P901 452L34211 CONNECTOR 14P
P201,210 452P136O8 CONNECTOR 18P
P211 452L274O8 CONNECTOR 18P
P801 452L218O8 CONNECTOR
ANT1 449L076O3 SOCKET-ANT
P902 449L098O3 SOCKET-DIN
Page 14
Page 15
Page 16
Page 17
Back side
Back side
Back side
Model: DY-3A66U-AL PCB-MAIN,SUB
Vol.1
Vol.2
Vol.3
Vol.4
SCHEMATIC DIAGRAM
17
Page 18
18
SCHEMATIC DIAGRAM PCB-MAIN,SUB MODEL:DY-3A66U-AL Vol.1
Page 19
19
SCHEMATIC DIAGRAM PCB-MAIN,SUB MODEL:DY-3A66U-AL Vol.2
Page 20
20
Back side
Back side
Back side
SCHEMATIC DIAGRAM PCB-MAIN,SUB MODEL:DY-3A66U-AL Vol.3
Page 21
21
SCHEMATIC DIAGRAM PCB-MAIN,SUB MODEL:DY-3A66U-AL Vol.4
Page 22
V
OLTAGE
Model : DY-3A66U-A
L
1. -COM
IC801 PCB-MAIN
Pin Pin
No.
A
M FM CD No.
A
MFMCD
1 DISP-SO Serial data output to DS
P
O L 0 0 0 51 N.C. Not used O L - - 2 DSP-CLK Serial clock output to DSP O L 0 0 0 52 N.C. Not used O L - - 3 M-DATA-IN M-BUS serial data inpu
t
I L 5 5 5 53 N.C. Not used O L - - -
4 M-DATA-OUT M-BUS serial data outpu
t
O L 5 5 5 54 N.C. Not used O L - - 5 M-CLK M-BUS clock output I/O L 5 5 5 55 BVdd VDD 5V - - 5 5 5
6 Evdd VDD5V - - 5 5 5 56 BVss GND - - 0 0 0
7 Evss GND - - 0 0 0 57 P-MUTE Power IC mute control outpu
t
OH555
8 OFFSET Offset detection mode change output O H 0 0 0 58 CAR-TYPE1 Switching car type check terminal I L 0 0 0
9 CD-ACC ON CDX2 ACCON output O H 0 0 0 59 CAR-TYPE2 Switching car type check terminal I L 0 0 0
10 CD-MTS communication request output to CDX2 O L 5 5 5 60 CAR-TYPE3 Switching car type check terminal I L 0 0 0
11 CD-STM communication request input from CDX2 I L 5 5 5 61 CAR-TYPE4 Switching car type check terminal I L 0 0 0
12 CD-DSTM Serial data input from CDX2 I L 5 5 5 62 N.C. Not used O L - - 13 CD-DMTS Serial data output to CDX2 O L 0 0 0 63 DSP-REQ Communication request output to DSP O H 5 5 5
14 CD-CLK Serial clock input from CDX2 I L 5 5 5 64 DSP-RD
Y
Communication possibility input from DSP I H 0 0 0
15 N.C. Not used O L - - - 65 DSP-DRD
Y
Communication possibility input from DSP I H 5 5 5
16
A
M-ON
A
M power supply outpu
t
O H 5 0 0 66 N.C. Not used O L - - -
17 FM-ON FM power supply outpu
t
O H 0 5 0 67 DSPO-SRESET DSPO system reset output O L 5 5 5
18 IC/VPP GND - - 0 0 0 68 DSP-IRESET DSPO, DSPI initial reset outpu
t
OL555
19
A
CC-5V ON
A
CC 5V outpu
t
O H 5 5 5 69 N.C. Not used O L - - -
20
A
NT-ON
A
NT +B outpu
t
O H 5 5 5 70 DSP-ON DSP-IC power control outpu
t
OH555
21 ST Stereo inpu
t
IL555 71Avdd
A
/D converter analog power suppl
y
--555
22 SD Stop level inpu
t
IL555 72Avss
A
/D converter ground power suppl
y
--000
23 IF-REQ IF output request O H 5 5 5 73
A
VREF VDD 5V - - 5 5 5
24 POWER-ON1 Power ON O H 5 5 5 74
A
/D KEY1
A
/D key1 inpu
t
I-555
25 POWER-ON2 Power ON O H 5 5 5 75
A
/D KEY2
A
/D key2 inpu
t
I-555
26 N.C. Not used O L - - - 76 REMO(D/C) Remote controller code input I - 5 5 5
27 N.C. Not used O L - - - 77 S-METER Electric field level inpu
t
I - 3.6 4.3 0
28 N.C. Not used I L 0 0 0 78 CAR-SENCE Car type change inpu
t
I - 2.5 2.5 2.5 *3
29 N.C. Not used O L - - - 79 INIT1 Initialization change inpu
t
I-555
30 N.C. Not used O L - - - 80 HSD Offset detection input I L 0 0 0
31 RESET System reset inpu
t
- - 5 5 5 81 RTS PC communication request input I L 0 0 0
32 XT1 Sub clock (Not used) - - 0 0 0 82 CD-MUTEIN CDX2 mute input I L 0 0 0
33 XT2 Sub clock (Not used) - - - - - 83 TEL-MUTE Telephone mute input I H 5 5 5
34 REGC Regulator output smoothly capacito
r
- - 3 3 3 84 N.C. Not used O L - - 35 X2 Main clock - 12MHz - - - - - *1 85 N.C. Not used O L - - 36 X1 Main clock - 12MHz - - - - - *1 86
A
CC-IN
A
CC detection inpu
t
IH555
37 Vss GND - - 0 0 0 87 BATT-IN BATT detection input I L 0 0 0
38 Vdd VDD 5V - - 5 5 5 88 EJECT-KEY Eject key inpu
t
IL555
39 CLOCKOUT Clock output (Not used) O - - - - 89 DSP RDY CHEC
K
DSP rdy terminal check inpu
t
IL555
40 POWER-KEY Power-KEY inpu
t
I L 5 5 5 90 M-BUS
Y
M-BUS busy outpu
t
I/O L 5 5 5
41
A
UDIO-KE
Y
A
udio-KEY inpu
t
I L 5 5 5 91 N.C. Not used O L - - -
42 SW1 Encoder KEY2 inpu
t
I - 5/0 5/0 5/0 *2 92 N.C. Not used O L - - -
43 SW2 Encoder KEY1 inpu
t
I - 5/0 5/0 5/0 *2 93ALL-MUTE
A
ll mute outpu
t
OL555
44 VOL1 VOL pulse signal1 inpu
t
I - 5/0 5/0 5/0 *2 94 IIC-DATA IIC-data output (TUNER, EEPROM) O L 5 5 5
45 VOL2 VOL pulse signal2 inpu
t
I - 5/0 5/0 5/0 *2 95 CTS PC communication request output O L 0 0 0
46 LED-LATCH LED driver-IC communication latch output O H 0 0 0 96 IIC-CLK IIC clock output (TUNER, EEPROM) O L 5 5 5
47 LED-DATA-IN LED driver-IC communication serial data output O L 0 0 0 97 PC-MAIN PC communication serial data input I L 0 0 0
48 LED VDD ON Panel ON outpu
t
O L 5 5 5 98 MAIN-PC PC communication serial data output O L 0 0 0
49 LED-CLK LED driver-IC communication serial clock output O L 0 0 0 99 N.C. Not used O L - - 50 LED-ENABLE LED driver-IC movement request output O L 0 0 0 100 DSP-SI DSP serial data inpu
t
IL000
Note:
*1 : The port is oscillation port. Do not touch it.
*2 : The value is alternated by volume control knob.
*3 : Using PS24 panel
RemarkRemark Pin Name Function I/O
Voltage [V] Voltage [V]
Pin Name Function I/O ACT ACT
22
Page 23
2. ELECTRIC VOL IC 3. POWER IC
4. POWER SOURCE
IC301 PCB-MAIN IC330 PCB-AF
FM 98.1MHz, VOL MIN FM 98.1MHz, VOL MIN
BATT, ACC 13.2V
BATT, ACC 13.2V BATT, ACC 13.2V
(E)
: Emitter, (C): Collector
Unit: V
Pin Pin Voltage
No. AM FM CD No. [V]
Q940
(E)
5.3
1 AINL3 1.5 1.5 1.5
1 TAB 0
Q941
(E)
5.3
2 AINR2 1.5 1.5 1.5
2 POWER-GND(FR) 0
3 AINL2 1.5 1.5 1.5 3 RR- 6.3
4 AINR1 1.5 1.5 1.5 4 STBY 5.2 Q944 (C) 5.2
5 AINL1 1.5 1.5 1.5 5 RR+ 6.3
6 VREFH 3.3 3.3 3.3 6 VCC(Rch) 13.2
7 AVDD 3.3 3.3 3.3 7 FR- 6.3 Q980 (C) 10.5
8 AVSS 0 0 0 8 POWER GND(RR) 0
9 DVSS 0 0 0 9 FR+ 6.3
10 DVDD 3.3 3.3 3.3 10 SVR 6.2 Q31 (C) 8.3
11 XTI - - - *1 11 FR IN 6.2
12 XTO - - - *1 12 RR IN 6.2
13 CLKO 0 0 0 13 PRE(SIG) GND 0 Q983 (E) 8.4
14 JX 3.3 3.3 3.3 14 RL IN 6.2
15 SMODE 3.3 3.3 3.3 15 FL IN 6.2
16 LRCLK - - - 16 AC-GND 0 Q201 (E) 6.4
17 BITCLK - - - 17 FL+ 6.2
18 SDIN - - - 18 POWER GND(RL) 0
19 SDINA - - - 19 FL- 6.2 IC201 (5) 3.3
20 SDOUTA - - - 20 VCC(Lch) 13.2
21 SDOUT - - - 21 RL+ 6.2
22 DRDY 3.3/0 3.3/0 3.3/0 22 MUTE 4.3 Q205 (E) 7.6
23 DVSS 0 0 0 23 RL- 6.2
24 DVDD 3.3 3.3 3.3 24 POWER GND(FL) 0.0
25 RDY 3.3 3.3 3.3 25 HSD 13.2 Q990 (E) 5.6
26 SO 3.3 3.3 3.3
27 SI 3.3/0 3.3/0 3.3/0
28 SCLK 3.3 3.3 3.3 IC960 (5) 3.3
29 RQ 3.3/0 3.3/0 3.3/0 IC961(5) 3.3
30 S_RESET 3.3 3.3 3.3
31 INIT_RESET 3.3 3.3 3.3
32 DVDD 3.3 3.3 3.3 Q965 (E) 10
33 DVSS 0 0 0
34 BVSS 0 0 0
35 AOUTR2 1.5 1.5 1.5
36 AOUTL2 1.5 1.5 1.5
37 AOUTR1 1.5 1.5 1.5
38 AOUTL1 1.5 1.5 1.5
39 AVDD 3.3 3.3 3.3
40 VCOM 1.7 1.7 1.7
41 AVSS 0 0 0
42 AINR- - - 43 AINR+ - - 44 AINL- - - 45 AINL+ - - 46 AINR4 1.5 1.5 1.5
47 AINL4 1.5 1.5 1.5
48 AINR3 1.5 1.5 1.5
Note:
*1 : The port is oscillation port. Do not touch it.
BATT 5V
BATT 6.2V
ACC 5V
RADIO 10V
Pin Name Remark
Voltage [V]
Pin Name
ILL ON
AUDIO 8.5V
RADIO 8V
BATT 3.3V
MECHA 8
V
PANEL 5
V
DSP 3.3V
23
Page 24
WAVEFORM
Model: DY-3A66U-AL
(1) M-Bus Communication Waveform (2) CD Communication Waveform
Pin No. Pin Name Pin No. Pin Name
CH1 11 M-BUSY CH1 12 D-MTS
CH2 12 M-SCK CH2 13 SCK
CH3 13 M-DATA CH3 14 D-STM
CH4 15 MTS
CH5 16 STM
* No connection with M-Bus units (500ms/div) * 20µs/div
* Connection with M-Bus units (100ms/div)
* Connection with M-Bus units (50µs/div)
P201P902
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
CH4
CH5
24
Page 25
Model : DY-3A66U-AL-2-T
SERVICE MANUAL
AM/FM-ST ELECTRONIC TUNING RADIO
with CD CHANGER
PART No. MN141332
DY-3A66U-AL-2-T
SE012906123E
FEATURES and SPECIFICATIONS .................. 2
OPERATION ...................................................... 3
SYSTEM CONFIGURATION.............................. 4
CONNECTORS ............................................... 4,5
DISASSEMBLING PROCEDURES................. 6,7
BLOCK DIAGRAM.............................................. 8
EXPLODED VIEW and PARTS LIST ................. 9
IC EXPLANATION....................................... 10,11
ELECTRICAL PARTS LIST......................... 12,13
PARTS LAYOUT ON PRINTED CIRCUIT BOARD
PCB-MAIN ............................................... 14,15
SCHEMATIC DIAGRAM
PCB-MAIN .............................................. 16~20
VOLTAGE ............................................... 21,22
WAVEFORM .................................................... 23
2006 DEC.
MITSUBISHI MOTORS
Your company internal use only
Copyright (c) Mitsubishi Electric Corporation
MITSUBISHI ELECTRIC CORP. SANDA WORKS
CONTENTS
Page 26
2
FEATURES and SPECIFICATIONS
SPECIFICATIONS
AM Radio
Frequency Range : 531 ~ 1710kHz (9kHz step)
Sensitivity : Less than 28dB
Signal/Noise Ratio : More than 45dB
(60dBµV)
FM Stereo Radio
Frequency Range : 87.5 ~ 108.0MHz (100kHz step)
Limiting Sensitivity : Less than 10dB
Signal/Noise Ratio : More than 55dB
(40dBµV)
CD Player
Laser : Semiconductor Laser
DA Convertor : 1bit
Dynamic Range : More than 65dB
Signal/Noise Ratio : More than 65dB
Channel Separation : More than 50dB (1kHz)
Others
Power Supply : DC 13.2V (11~16V)
Test Voltage 13.2V
Negative ground
Battery Back Up Current : Less than 1.0mA
Current Consumption : ACC 2.1A ± 20% (Output 1W)
Maximum Power Output : 45W x 4 (SP output)
Output Impedance : 4 (SP Output)
Dimensions : 178mm x 151.3mm x 100mm
( W x D x H )
Weight : 2.0kg
FEATURES
Radio
AM can preset the 6 stations and FM (FM1/FM2) can preset the 12 stations.
It is able to memory by keep pushing the preset memory
button.
TUNE control by Rotary SW.
ATC function to control BASS/TREBLE sound quality
according to electric field strength when AM is received.
AM noise killer function.
SCAN function : Seeking receivable stations and receiving
5 seconds in each station.
CD Player
In-dash CD auto changer (6disc) function.
Power Loading / Power Eject function.
Equipped with the shock proof memory.
(16M-DRAM)(CD-DA:10.4sec)
Skip recovered function.
(Recovered the condition before skip.)
Protected function of laser pickup stopping at high tem-
perature.
Quick truck selection function.
Any time Eject function. (Eject at the all mode included
ACC OFF.)
Scan function : 10sec
Reload function.
Available for loading 12cm disc only.
MP3 play function.
(MPEG1 AUDIO LAYER3, MPEG2 AUDIO LAYER3)
Repeat function. (One tune)
Random play function.
Fast-forwarding and fast-reversing function.
MP3
Folder Up/Down function by TUNE knob.
Audio Part
High power, 4 channel output. (4 load)
Adjustment of BASS, TREBLE, BALANCE and FADER by
Rotary SW.
ITM (Independent Tone Memory) function to memorize
amount of BASS/TREBLE adjustment according to mode.
Fixed EQ matched to car room sound filed characteristic.
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.
Others
M-BUS is used the method of communication with CD
changer.
The beep sounds, to check an operation, by using a button
with hold-pushing operation function.
Rheostat function. (The intensity of buttons, panel and LCD
can adjust to link with the intensity of vehicle's instrument
panel lighting.)
The connection of speaker wiring can check by test mode of
the beep in the vehicle's assembly line.
Steering Remote control.
Hands free function.
VES (Video Entertainment System) function.
Page 27
3
OPERATION
RADIO & AUDIO PART
CD Load / Eject
Button
Power Switch
Volume Adjustment Knob
Change Radio
(FM AM)
Auto Tune
UP/DOWN Button
Audio Adjustment
Switch Knob
(Manual Tune
UP/DOWN Knob)
CD CHANGER PART
Preset Memory Button
(AM-6 / FM-12)
CD Button Track Select
UP / DOWN Button
Disc Select Button
Repeat / Random
Button
Radio SCAN
UP Button
READY INDICATOR
FF / REW Button
<< UNIQUE PANEL : SW-744, SW-745 >>
CDDA
Push the button 1.5 seconds
or more.
MP3
Folder select
UP/DOWN Knob
CD SCAN UP
Button
Audio Adjustment
Switch Knob
Power Switch
Volume Adjustment Knob
Page 28
4
17 LAMP
18 LAMP
19 SENCE CAR
20 VDD
21 TUNE2
22 TUNE1
9 AD2
10 AD1
11 GND
12 ENABLE(LED)
13 DATA(LED)
14 LAMP GND
15 LAMP GND
16
1 LATCH(LED)
2 CLOCK(LED)
3
4 AUDIO-SW
5 VOL2
6 VOL1
7 EJECT-SW
8 POWER-SW
Pin
No.
Name
Pin
No.
Name
Pin
No.
Name
Panel 22P Connector
CONNECTORS
1234567891011
12131415161718 19 20 2122
Panel 22P Connector
< FRONT SIDE VIEW >
SYSTEM CONFIGURATION
TELEPHONE
UNIQUE PANEL
MODULE
SW-744,745
22P
MAIN ANTENNA
AUDIO UNIT
DY-3A66U-AL-2-T
13P 10P
REMOTE CONTROL
(STEERING)
DISPLAY
MN141556
(Yazaki)
CD CHANGER
MN141331
(Matsushita)
MR588144,45
(MMC)
Page 29
5
Pin
No.
1 Signal GND
2 Lch
3
4 Rch
5
6
7 ACC (+)
Name
Pin
No.
8
9 Battery (+)
10 Illumination Level
11 M-BUSY
12 M-SCK
13 M-DATA
H Shield Earth
Name
CD Changer 13P DIN SocketPower supply 14P Connector
8 Speaker FL (-)
9 Illumination (-)
10 Battery (+)
11 Accessory (+)
12
13 Speaker RL (-)
14 Speaker RR (-)
1 Speaker FR (+)
2 Speaker FL (+)
3 Illumination (+)
4 Antenna + B
5 Speaker RL (+)
6 Speaker RR (+)
7 Speaker FR (-)
Pin
No.
Name
Pin
No.
Name
Remote control 10P Connector
6 REMO-OUT
7 Telephone Mute
8 Telephone GND
9 M-BUSY
10 Shield Earth(M-BUS)
1 REMO-IN
2
3 Telephone Signal
4 M-SCK
5 M-DATA
Pin
No.
Name
Pin
No.
Name
Antenna Socket
12345
6
7
141312 1110 9 8
Power supply
14P Connector
CD Changer
13P DIN Socket
1
23
4
5
6
7
13
12 1110 9
8
H
12345
6
710 9 8
Remote control
10P Connector
< REAR SIDE VIEW >
Page 30
6
DISASSEMBLING PROCEDURES
2
6(C)
3
2(A)
3
2(A)
CDX3
HEAT-SINK
FLAT-CABLE 18P
BRACKET-CDX3
1
4(A)
COVER
2. Removal of CDX3 (See Fig.2)
1) Unscrew the six screws ( 2 ).
2) Remove the HEAT-SINK.
3) Unscrew the four screws ( 3 ).
4) Remove the BRACKET-CDX3
and FLAT-CABLE 18P.
5) Remove the CDX3.
Fig.2
1. Removal of COVER (See Fig.1)
1) Unscrew the four screws ( 1 ).
2) Remove the COVER.
Fig.1
Page 31
7
6
2(B)
7
5
CHASSIS-R
PCB-MAIN
5
6
CHASSIS-L
3(E)
9
2(B)
8
(B)
(A)
(A)
(A)
4
2(A)
4
2(A)
HOLDER-CON
LEAD-CONNECTOR-22P
CHASSIS-F
4. Removal of PCB-MAIN (See Fig.4)
1) Unscrew the two screws ( 5 ) and three screws ( 6 ).
2) Remove the CHASSIS-L and the CHASSIS-R.
3) Unscrew the one screw ( 7 ), two screws ( 8 ) and
three screws ( 9 ).
4) Remove the PCB-MAIN.
Fig.4
Fig.3
3. Removal of LEAD-CONNECTOR-22P (See Fig.3)
1) Unscrew the four screws ( 4 ).
2) Remove the CHASSIS-F and HOLDER-CON.
3) Remove the LEAD-CONNECTOR-22P.
Page 32
8
BLOCK DIAGRAM
AM/FM
TUNER
RADIO 10V
POWER SUPPLY
AUDIO 8.5V
POWER SUPPLY
AM NK
HA12181
PRE AMP
NJM4565V
POWER-IC
TDA7560
LOW PASS
FILTER
NJM2100
M-BUS
BUFFER
PRE AMP
NJM4565V
PANEL 5V
POWER
SUPPLY
LAMP+
POWER
SUPPLY
DIGITAL 3.3V
POWER
SUPPLY
DSP
AK7740
ANALOG 3.3V
POWER
SUPPLY
MECHA DSP 3.3V
POWER SUPPLY
DIGITAL 6.2V
POWER SUPPLY
BUS BUFFER
SN74LV541A
BATTERY 5V
POWER SUPPLY
MECHA SERVO 8V
POWER SUPPLY
RHEOSTAT
ANT1
FE1
Q980
Q983
IC1
IC321,421
IC330
P901
Q910,911,etc.
CDX3 MECHA
P201
IC201
Q201
IC801
Q940
IC302
Q205
IC380
P902 P903
Q750,760,
770,etc.
IC390
Q990
IC960 IC961
IC301
Q965
P803
P804
13P DIN SOCKET
Page 33
9
EXPLODED VIEW and PARTS LIST
4
A
4
A
4
D
2
A
2
A
2
B
6
C
A
A
A
B
M002
M003
M004
M005
M031
M032
M008
M034
M011
M033
M036
M039
M038
2
2
1
1
B
2
1
2
3
M036
M036
3
E
M035
M037
M030
A
BC
M002 246L43311 LEAD-CONNECTOR-22P B-3
M003 *560J30111 CHASSIS-B C-3
M004 560J30314 CHASSIS-L A-2
M005 560J30315 CHASSIS-R C-2
M008 *591K50411 HOLDER-CON A-3
M011 635J08311 HEAT-SINK C-2
M030 246L222O0 FLAT-CABLE 18P B-1
M031 *560J35111 CHASSIS-F A-3
M032 591K55310 COVER A-1
M033 593L69911 HOLDER-IC B-2
M034 *593L80911 BRACKET-CDX3 C-1
M035 642K14611 SHEET-CD A-3
M036 *643L49311 SHEET A-3,B-3
M037 *643L56610 CUSHION B-2
M038 940L10114 CDX3(955050) B-1
M039 943M215O2
NAME-CARD(DY-3A66U-AL-2-T)
A-1
A 653P11046 SCREW-S-PAN 3X6 B 653P11048 SCREW-S-PAN 3X10 C 653P11049 SCREW-S-PAN 3X12 D 669L057O1 SCREW-TAP 3X6 E 669L077O2 SCREW-TAP 3X6 -
Ref. No. Part No. Description Index
* : Marked parts are unregistered.
Page 34
10
IC EXPLANATION
IC201,960,961 LF33ABPT
IC321,390,421 NJM4565V-TE1IC802 PST9136
IC1 HA12181FP-EL
5
4
3
VCC
OUT
GND
CO1
OP1
OUT1
-- IN1
+IN1
V--
V+
OUT2
-- IN2
+IN2
3
2
1
4
6
7
8
5
AB
1
INHIBIT
CONTROL
V
IN
3
V
OUT
2
GND
REFERENCE
VOLTAGE
TERM.
PROTECTION
DRIVER
CURRENT
LIMIT
DUMP
PROTECTION
START
INHIBIT
ERROR
AMPLIFIER
1
14
2
5
11
IF AGC
DETECTION
OUTPUT AF AGC
15 12
13
16
4
7
3
68
10
9
IF
INPUT
AF
INPUT
PHASE
CONDENSER
HOLDING
CONDENSER
BY-PASS
CAPACITOR
AF
OUTPUT
IF AGC
IF
AMP
.
LPF
DETECTION
PULSE
DETECTION
CONSTANT
CURRENT
SOURCE
CIRCUIT
HPF 1
LPF
AF
AMP.
AF
AGC
OR
PULSE
DETECTION
(1)
HPF
NOISE
AGC
GATEPULSE
GENERATO
R
CONSTANTVOLTAGE
CIRCUIT
SW1
SW2
PHASE
CIRCUIT
LEVEL
DIFFERENTIAL
DETECTION
CIRCUIT
SW3
CONSTANT
CURRENT
CIRCUIT
(WAVEFORM
COMPENSA
TION)
SW4
SW5
BYPASS
AMPLIFIER
(WAVEFORM
COMPENSA
TION)
BUFFER
AMPLIFIER
PULSE
DETECTION
(2)
GATEPULSE (1)
GATEPULSE
(2)
(1)
(2)
Page 35
11
IC380 RC2100M/NJM2100M
IC301 AK7740
IC302 SN74LV541APW
IC330 TDA7560
1
19
2
3
4
5
6
7
8
9 11
12
13
14
15
16
17
18
OE1
OE2
A1
A2
A3
A4
A5
A6
A7
A8 Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
1
2
3
4
8
7
6
5
OUTPUT A
INPUT A
+ INPUT A
VCC
+ VCC
OUTPUT B
INPUT B
+ INPUT B
6
4
25
HSD/V
OFF
DET
9
OUT1+
7
OUT1-
P-GND1
5
OUT2+
3
OUT2P-GND2
17
OUT3+
19
OUT3P-GND3
21
OUT4+
23
24
18
2
8
13
1
10
16
OUT4P-GND4
22
11
12
15
14
20
HSD
ST-BY
MUTE
IN1
IN2
IN3
IN4
AC-GND SVR TAB S-GND
Vcc1 Vcc2
LRCLK
LRCLK
RQ
*SW1,SW2,SW3,ISEL[2:0],
OUTAE control register
SDOUTA
OUTAE
SW3
SW0
SDATA
SDATA
SDATA
SW2
SW2
SW1
DSP
CONTROLLER
ADC
VREF
DAC1
DAC2
72kbit DLRAM
SDINA
SDIN
RQ
SI SI
SO SO
SDINA
SDIN
ISEL[2:0]
SDOUTD1
SDOUTD2
SDOUT
SCLK SCLK
RDY RDY
DRDY DRDY
JX JX
BITCLK
BITCLK
CLKOUT
CLKOUT
XTI
XTI
XTO
XTO
SMODE
SMODE
INIT_RESET
INIT_RESET
R_RESET
R_RESET
AINL-
AINL-
AINL+
AINL+
AINL1
AINL2
AINL3
AINL4
AINR-
AINR-
AINR+
AINR+
AOUTL
AOUTR
AOUTL
AOUTR
AINR1
AINR2
AINR3
AINR4
VREFH
VCOM
AOUTL1
AOUTL2
AOUTR1
AOUTR2
SDOUT
Pin No.
1
2
3
4
5
6
7
8
9
10
Pin Name
AINL3
AINR2
AINL2
AINR1
AINL1
VREFH
AVDD
AVSS
DVSS
DVDD
Pin No.
11
12
13
14
15
16
17
18
19
20
Pin Name
XTI
XTO
CLKO
JX
SMODE
LRCLK
BITCLK
SDIN
SDINA
SDOUTA
Pin No.
21
22
23
24
25
26
27
28
29
30
Pin Name
SDOUT
DRDY
DVSS
DVDD
RDY
SO
SI
SCLK
RQ
S_RESET
Pin No.
31
32
33
34
35
36
37
38
39
40
Pin Name
INIT_RESET
DVDD
DVSS
BVSS
AOUTR2
AOUTL2
AOUTR1
AOUTL1
AVDD
VCOM
Pin No.
41
42
43
44
45
46
47
48
Pin Name
AVSS
AINR-
AINR+
AINLAINL+
AINR4
AINL4
AINR3
Page 36
12
L2,30,etc. 103L199O9 R-CHIP 0
L303,R11,etc. 103L299O9 R-CHIP 0
R948 103L290O5 R-CHIP 22
R376,385,etc. 103L290O9 R-CHIP 47
R387 103L291O1 R-CHIP 68
R321,421,etc. 103L291O3 R-CHIP 100
R211 103L241O9 R-CHIP 330
R209 103L291O9 R-CHIP 330
R910,912,922 103L292O1 R-CHIP 470
R760,770 103L292O2 R-CHIP 560
R203,205,etc. 103L292O5 R-CHIP 1k
R213 103P502O5 R-CHIP 1k
R201,761,etc. 103L292O6 R-CHIP 1.2k
R913 103L292O7 R-CHIP 1.5k
R386,919 103L292O8 R-CHIP 1.8k
R925~930 103L192O9 R-CHIP 2.2k
R16,17,etc. 103L292O9 R-CHIP 2.2k
R934,935 103L193O0 R-CHIP 2.7k
C988,R763,etc. 103L293O0 R-CHIP 2.7k
R901,902 103L193O1 R-CHIP 3.3k
R32,206,etc. 103L293O1 R-CHIP 3.3k
R334,335 103L193O2 R-CHIP 3.9k
R762,772,938 103L293O2 R-CHIP 3.9k
R101,102,etc. 103L293O3 R-CHIP 4.7k
R212 103P503O3 R-CHIP 4.7k
R751 103L293O4 R-CHIP 5.6k
R8,753 103L293O5 R-CHIP 6.8k
R314,414 103L293O6 R-CHIP 8.2k
R6,7,etc. 103L293O7 R-CHIP 10k
R2 103L293O8 R-CHIP 12k
R382,389,482 103P503O8 R-CHIP 12k
R384,484 103L293O9 R-CHIP 15k
R381,388,etc. 103P503O9 R-CHIP 15k
R4 103L294O0 R-CHIP 18k
R202,210,etc. 103L294O1 R-CHIP 22k
R10 103L294O3 R-CHIP 33k
R204,208,etc. 103L294O5 R-CHIP 47k
R5 103L294O7 R-CHIP 68k
R1,807 103L294O9 R-CHIP 100k
R392~395 103P504O9 R-CHIP 100k
R917,920 103L295O1 R-CHIP 150k
C393 141L180O6 C-CERAMIC-CHIP 5pF
C20 141L181O3 C-CERAMIC-CHIP 12pF
C307,308,etc. 141L181O9 C-CERAMIC-CHIP 22pF
C913 141L182O7 C-CERAMIC-CHIP 47pF
C380,386,etc. 141L183O5 C-CERAMIC-CHIP 100pF
C377,477 141L160O5 C-CERAMIC-CHIP 470pF
C17,31,etc. 141L160O9 C-CERAMIC-CHIP 1000pF
C384,385,484 141L185O9 C-CERAMIC-CHIP 1000pF
C329,429,etc. 141L161O1 C-CERAMIC-CHIP 1500pF
C103,104,etc. 141L161O3 C-CERAMIC-CHIP 2200pF
C7 141L161O5 C-CERAMIC-CHIP 3300pF
C13,383,etc. 141L161O7 C-CERAMIC-CHIP 4700pF
C8,11,etc. 141L162O1 C-CERAMIC-CHIP 0.01µF
C101,102 141L162O3 C-CERAMIC-CHIP 0.015µF
C2,4~6 141L164O3 C-CERAMIC-CHIP 0.033µF
C3 141L164O5 C-CERAMIC-CHIP 0.068µF
C391,392 141L063O2 C-CERAMIC-CHIP 0.1µF
C201,204,etc. 141L164O6 C-CERAMIC-CHIP 0.1µF
C9,19 141L164O8 C-CERAMIC-CHIP 0.22µF
C18,313,314 141L069O5 C-CERAMIC-CHIP 1µF
C370,390,etc. 181P73162 C-ELE-CHIP 2.2µF/50V
C322,323,etc. 181P73149 C-ELE-CHIP 4.7µF/35V
C302,304,etc. 181P73123 C-ELE-CHIP 10µF/16V
C951 181P73110 C-ELE-CHIP 100µF/10V
C326,954 181P73111 C-ELE-CHIP 220µF/10V
R3 103L295O2 R-CHIP 180k
R829,918,etc. 103L295O3 R-CHIP 220k
R337 103L295O6 R-CHIP 390k
R8N1,8N2,8N8 109P01218 R-NETWORK-CHIP 1k
R3N1 109P01219 R-NETWORK-CHIP 4.7k
R8N4,8N7 109P01213 R-NETWORK-CHIP 10k
R8N5 109P01216 R-NETWORK-CHIP 47k
R8N6 109P01225 R-NETWORK-CHIP 100k
Part No. L
141L06xOx 2.0mm
141L16xOx 1.6mm
141L18xOx 1.6mm
Part No. L
103L19xOx 2.0mm
103L24xOx 3.2mm
103L29xOx 1.6mm
103P50xOx 1.6mm
ELECTRICAL PARTS LIST
< CHIP PARTS (RESISTORS & CAPACITORS) >
SOLDERING PART
L
CHIP PARTS (RESISTORS)
Ref. No. Part No. Description Ref. No. Part No. Description
CHIP PARTS (CAPACITORS)
TRANSISTORS
Q927 260L020O9 TR 2SB1240Q
Q980 260P11410 TR 2SB1561Q
Q201,205,etc. 260P68210 TR 2SD2375OP
Q762,772,etc. 260M061O6 TR-CHIP 2SA1037AR
Q31 260P11710 TR-CHIP 2SA1364
Q1,2,etc. 260M061O5 TR-CHIP 2SC2412S
Q940 260P102O1 TR-CHIP 2SD2318
Page 37
13
P804 452L083O8 CONNECTOR 8P
P903 452P23210 CONNECTOR 10P
P803 452L094O2 CONNECTOR 12P
P901 452L34211 CONNECTOR 14P
P201 452P136O8 CONNECTOR 18P
ANT1 449L076O3 SOCKET-ANT
P902 449L098O3 SOCKET-DIN
L801~811,etc. 351P091O8 COIL-CHIP
L902 351P048O1 COIL-CHOKE
L901 351P11310 COIL-CHOKE
L201 351P081O6 COIL-CHOKE-CHIP
L940 351P082O0 COIL-CHOKE-CHIP
L1 351P082O6 COIL-CHOKE-CHIP
L3 351P083O6 COIL-CHOKE-CHIP
L301,302,etc. 351P095O4 COIL-CHOKE-CHIP
RF901 103L390O2 R-FUSE
IC302 263P99010 IC SN74LV541APW
IC330 266P62810 IC TDA7560
IC801 262P54422 IC µPD703035BYGC-J18-8EU
Q941 260P12510 TR-CHIP 2SD2537
Q750,760,770 260L010O1 TR-CHIP 2SD601AS
Q752 260L042O4 TR-CHIP DTA114T
Q333,942 260M061O1 TR-CHIP DTA124E
Q202,207,991 260L030O5 TR-CHIP DTA143E
Q967 260L030O3 TR-CHIP DTA144E
Q332 260L042O2 TR-CHIP DTA144T
Q944 260L057O1 TR-CHIP DTB123Y
Q928 260M061O9 TR-CHIP DTC114E
Q801,943 260L042O7 TR-CHIP DTC114T
Q301~303 260L014O8 TR-CHIP DTC123E
Q3,103,etc. 260M061O2 TR-CHIP DTC124E
Q32,203,etc. 260L014O2 TR-CHIP DTC143E
Q802 260L030O2 TR-CHIP DTC144E
Q321,421,etc. 260L033O1 TR-CHIP DTC323T
D901,903 264L042O1 DIODE ERA15-02
D201,940 264P607O2 DIODE-CHIP 1SR154-400
D203,204,etc. 264L060O1 DIODE-CHIP 1SS355
D944 264P617O1 DIODE-CHIP MC2836
D943 264P618O1 DIODE-CHIP MC2838
D902 264P516O1 DIODE-CHIP S3D6600
D205 264L067O3 DIODE-Z-CHIP MA8051M
D941,990 264L067O2 DIODE-Z-CHIP MA8056H
D202,802 264P584O1 DIODE-Z-CHIP MA8068M
D807~813 264P584O5 DIODE-Z-CHIP MA8075H
D801,942 264P584O7 DIODE-Z-CHIP MA8082M
D980 264P584O9 DIODE-Z-CHIP MA8091L
D910,911 264P585O6 DIODE-Z-CHIP MA8110M
D375,475,etc. 264P588O6 DIODE-Z-CHIP MA8270M
Ref. No. Part No. Description
Ref. No. Part No. Description
IC301 263P22010 IC AK7740
IC1 266L067O1 IC HA12181FP-EL
IC201,960,961 266P61410 IC LF33ABPT
IC321,390,421 266L065O9 IC NJM4565V-TE1
IC802 266L064O5 IC PST9136
IC380 266L034O9 IC RC2100M/NJM2100M
DIODES
RESISTORS
COILS
CONNECTORS
OTHERS
X801 285P093O1 CRYSTAL
X301 285P11422 CRYSTAL
FE1 295P21620 TUNER
F925 299P128O3 PROTECTOR
Z21 299P135O2 PROTECTOR-CHIP
Z701 299P136O2 PROTECTOR-CHIP
LC321,370,etc. 409P023O1 LC-MULTIPLE-CHIP
LC301,302 409P047O1 LC-MULTIPLE-CHIP
PLATE1,3,4 443P01012 TERMINAL
H-TR-2,3,5 593L29212 HOLDER-TR
H-TR-1,4 593L70010 HOLDER-TR
IC
Page 38
PCB-MAIN
TO CDX3
PARTS LAYOUT ON PRINTED CIRCUIT BOARD
MODEL : DY-3A66U-AL-2-T (PARTS SIDE)
14
Page 39
PCB-MAIN
PARTS LAYOUT ON PRINTED CIRCUIT BOARD
MODEL : DY-3A66U-AL-2-T (PATTERN SIDE)
15
Page 40
16
Vol.1
Vol.2
Vol.3
Vol.4
PCB-MAIN MODEL : DY-3A66U-AL-2-T
SCHEMA TIC DIAGRAM
Page 41
17
SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.1
Page 42
18
SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.2
Page 43
19
SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.3
Page 44
20
SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.4
Page 45
V
OLTAGE
MODEL : DY-3A66U-AL-2-
T
(Pin numbers are as measurement points.)
1. -COM
IC801 PCB-MAIN
A
M 999kHz 74dB V, FM 98.1MHz 68dB
V
BATT, ACC 13.2V
Pin Pin
No.
A
M FM CD No.
A
MFMCD
1 DISP-SO Serial data output to DSP O L 0 0 0 51 - Not used O L - - 2 DSP-CLK Serial clock output to DSP O L 0 0 0 52 - Not used O L - - 3 M-DATA-IN M-BUS serial data inpu
t
I L 5 5 5 53 - Not used O L - - -
4 M-DATA-OUT M-BUS serial data outpu
t
O L 5 5 5 54 - Not used O L - - 5 M-CLK M-BUS clock output I/O L 5 5 5 55 BVdd VDD 5V - - 5 5 5
6 Evdd VDD5V - - 5 5 5 56 BVss GND - - 0 0 0
7 Evss GND - - 0 0 0 57 P-MUTE Power IC mute control output O H 5 5 5
8 OFFSET Offset detection mode change output O H 0 0 0 58 CAR-TYPE1 Switching car type check terminal I L 0 0 0
9 CD-ACC ON CDX2 ACCON output O H 0 0 0 59 CAR-TYPE2 Switching car type check terminal I L 0 0 0
10 CD-MTS communication request output to CDX2 O L 5 5 5 60 CAR-TYPE3 Switching car type check terminal I L 0 0 0
11 CD-STM communication request input from CDX2 I L 5 5 5 61 CAR-TYPE4 Switching car type check terminal I L 0 0 0
12 CD-DSTM Serial data input from CDX2 I L 5 5 5 62 - Not used O L - - 13 CD-DMTS Serial data output to CDX2 O L 0 0 0 63 DSP-REQ Communication request output to DSP O H 5 5 5
14 CD-CLK Serial clock input from CDX2 I L 5 5 5 64 DSP-RD
Y
Communication possibility input from DSP I H 0 0 0
15 - Not used O L - - - 65 DSP-DRD
Y
Communication possibility input from DSP I H 5 5 5
16
A
M-ON
A
M power supply outpu
t
O H 5 0 0 66 - Not used O L - - -
17 FM-ON FM power supply outpu
t
O H 0 5 0 67 DSPO-SRESET DSPO system reset output O L 5 5 5
18 IC/VPP GND - - 0 0 0 68 DSP-IRESET DSPO, DSPI initial reset outpu
t
OL555
19
A
CC-5V ONACC 5V outpu
t
O H 5 5 5 69 - Not used O L - - -
20
A
NT-ON
A
NT +B output O H 5 5 5 70 DSP-ON DSP-IC power control outpu
t
OH555
21 ST Stereo inpu
t
IL555 71Avdd
A
/D converter analog power suppl
y
--555
22 SD Stop level inpu
t
IL555 72Avss
A
/D converter ground power suppl
y
--000
23 IF-REQ IF output request O H 5 5 5 73
A
VREF VDD 5V - - 5 5 5
24 POWER-ON1 Power ON O H 5 5 5 74
A
/D KEY1
A
/D key1 inpu
t
I-555
25 POWER-ON2 Power ON O H 5 5 5 75
A
/D KEY2
A
/D key2 inpu
t
I-555
26 - Not used O L - - - 76 REMO(D/C) Remote controller code input I - 5 5 5
27 - Not used O L - - - 77 S-METER Electric field level inpu
t
I - 3.6 4.3 0
28 - Not used I L 0 0 0 78 CAR-SENCE Car type change inpu
t
I - 2.5 2.5 2.5 *3
29 - Not used O L - - - 79 INIT1 Initialization change inpu
t
I-555
30 - Not used O L - - - 80 HSD Offset detection input I L 0 0 0
31 RESET System reset inpu
t
- - 5 5 5 81 RTS PC communication request input I L 0 0 0
32 XT1 Sub clock (Not used) - - 0 0 0 82 CD-MUTEIN CDX2 mute input I L 0 0 0
33 XT2 Sub clock (Not used) - - - - - 83 TEL-MUTE Telephone mute input I H 5 5 5
34 REGC Regulator output smoothly capacito
r
- - 3 3 3 84 - Not used O L - - 35 X2 Main clock - 12MHz - - - - - *1 85 - Not used O L - - 36 X1 Main clock - 12MHz - - - - - *1 86
A
CC-IN
A
CC detection inpu
t
IH555
37 Vss GND - - 0 0 0 87 BATT-IN BATT detection input I L 0 0 0
38 Vdd VDD 5V - - 5 5 5 88 EJECT-KEY Eject key inpu
t
IL555
39 CLOCKOUT Clock output (Not used) O - - - - 89 DSP RDY CHEC
K
DSP rdy terminal check input I L 5 5 5
40 POWER-KEY Power-KEY inpu
t
I L 5 5 5 90 M-BUS
Y
M-BUS busy outpu
t
I/O L 5 5 5
41
A
UDIO-KE
Y
A
udio-KEY inpu
t
I L 5 5 5 91 - Not used O L - - -
42 SW1 Encoder KEY2 inpu
t
I - 5/0 5/0 5/0 *2 92 - Not used O L - - -
43 SW2 Encoder KEY1 inpu
t
I - 5/0 5/0 5/0 *2 93ALL-MUTE
A
ll mute output O L 5 5 5
44 VOL1 VOL pulse signal1 inpu
t
I - 5/0 5/0 5/0 *2 94 IIC-DATA IIC-data output (TUNER, EEPROM) O L 5 5 5
45 VOL2 VOL pulse signal2 inpu
t
I - 5/0 5/0 5/0 *2 95 CTS PC communication request output O L 0 0 0
46 LED-LATCH LED driver-IC communication latch output O H 0 0 0 96 IIC-CLK IIC clock output (TUNER, EEPROM) O L 5 5 5
47 LED-DATA-IN LED driver-IC communication serial data output O L 0 0 0 97 PC-MAIN PC communication serial data input I L 0 0 0
48 LED VDD ON Panel ON outpu
t
O L 5 5 5 98 MAIN-PC PC communication serial data output O L 0 0 0
49 LED-CLK LED driver-IC communication serial clock output O L 0 0 0 99 - Not used O L - - 50 LED-ENABLE LED driver-IC movement request output O L 0 0 0 100 DSP-SI DSP serial data inpu
t
IL000
Note:
*1 : The port is oscillation port. Do not touch it.
*2 : The value is alternated by volume control knob.
*3 : Using PS24 panel.
RemarkRemark Pin Name Function I/O
Voltage [V] Voltage [V]
Pin Name Function I/O ACT ACT
21
Page 46
2. ELECTRIC VOL IC 3. POWER IC
4. POWER SOURCE
IC301 PCB-MAIN IC330 PCB-AF
FM 98.1MHz, VOL MIN FM 98.1MHz, VOL MIN
BATT, ACC 13.2V
BATT, ACC 13.2V BATT, ACC 13.2V
(E)
: Emitter, (C): Collector
Unit: V
Pin Pin Voltage
No. AM FM CD No. [V]
Q940
(E)
5.3
1 AINL3 1.5 1.5 1.5
1 TAB 0
Q941
(E)
5.3
2 AINR2 1.5 1.5 1.5
2 POWER-GND(FR) 0
3 AINL2 1.5 1.5 1.5 3 RR- 6.3
4 AINR1 1.5 1.5 1.5 4 STBY 5.2 Q944 (C) 5.2
5 AINL1 1.5 1.5 1.5 5 RR+ 6.3
6 VREFH 3.3 3.3 3.3 6 VCC(Rch) 13.2
7 AVDD 3.3 3.3 3.3 7 FR- 6.3 Q980 (C) 10.5
8 AVSS 0 0 0 8 POWER GND(RR) 0
9 DVSS 0 0 0 9 FR+ 6.3
10 DVDD 3.3 3.3 3.3 10 SVR 6.2 Q31 (C) 8.3
11 XTI - - - *1 11 FR IN 6.2
12 XTO - - - *1 12 RR IN 6.2
13 CLKO 0 0 0 13 PRE(SIG) GND 0 Q983 (E) 8.4
14 JX 3.3 3.3 3.3 14 RL IN 6.2
15 SMODE 3.3 3.3 3.3 15 FL IN 6.2
16 LRCLK - - - 16 AC-GND 0 Q201 (E) 6.4
17 BITCLK - - - 17 FL+ 6.2
18 SDIN - - - 18 POWER GND(RL) 0
19 SDINA - - - 19 FL- 6.2 IC201 (5) 3.3
20 SDOUTA - - - 20 VCC(Lch) 13.2
21 SDOUT - - - 21 RL+ 6.2
22 DRDY 3.3/0 3.3/0 3.3/0 22 MUTE 4.3 Q205 (E) 7.6
23 DVSS 0 0 0 23 RL- 6.2
24 DVDD 3.3 3.3 3.3 24 POWER GND(FL) 0.0
25 RDY 3.3 3.3 3.3 25 HSD 13.2 Q990 (E) 5.6
26 SO 3.3 3.3 3.3
27 SI 3.3/0 3.3/0 3.3/0
28 SCLK 3.3 3.3 3.3 IC960 (5) 3.3
29 RQ 3.3/0 3.3/0 3.3/0 IC961(5) 3.3
30 S_RESET 3.3 3.3 3.3
31 INIT_RESET 3.3 3.3 3.3
32 DVDD 3.3 3.3 3.3 Q965 (E) 10
33 DVSS 0 0 0
34 BVSS 0 0 0
35 AOUTR2 1.5 1.5 1.5
36 AOUTL2 1.5 1.5 1.5
37 AOUTR1 1.5 1.5 1.5
38 AOUTL1 1.5 1.5 1.5
39 AVDD 3.3 3.3 3.3
40 VCOM 1.7 1.7 1.7
41 AVSS 0 0 0
42 AINR- - - 43 AINR+ - - 44 AINL- - - 45 AINL+ - - 46 AINR4 1.5 1.5 1.5
47 AINL4 1.5 1.5 1.5
48 AINR3 1.5 1.5 1.5
Note:
*1 : The port is oscillation port. Do not touch it.
BATT 5V
BATT 6.2V
ACC 5V
RADIO 10V
Pin Name Remark
Voltage [V]
Pin Name
ILL ON
AUDIO 8.5V
RADIO 8V
BATT 3.3V
MECHA 8
V
PANEL 5
V
DSP 3.3V
22
Page 47
WAVEFORM
MODEL : DY-3A66U-AL-2-T
(Pin numbers are as measurement points.)
(1) M-Bus Communication Waveform (2) CD Communication Waveform
Pin No. Pin Name Pin No. Pin Name
CH1 11 M-BUSY CH1 12 D-MTS
CH2 12 M-SCK CH2 13 SCK
CH3 13 M-DATA CH3 14 D-STM
CH4 15 MTS
CH5 16 STM
No connection with M-Bus units (500ms/div) 20µs/div
Connection with M-Bus units (100ms/div)
Connection with M-Bus units (50µs/div)
P201P902
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
CH1
CH2
CH3
CH4
CH5
23
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