kenwood KDC-MP7028, KDC-MP728, KDC-MP8029, KDC-W7031, KDC-W7031Y Service Manual

CD RECEIVER

KDC-MP628 KDC-MP7028 KDC-MP728 KDC-MP8029 KDC-W7031/Y

SERVICE MANUAL

CD MECHANISM EXTENSION CORD (24P) : W05-0934-00

Panel assy KDC-MP628 (A64-3507-12)

ATT

VOLVOL

AUDAUD

System

SCAN

AME

AUTO

REP

RDM

KDC-MP628

SCRL

M.RDM

SWSW

C.S.

SRC

FFFF

ATT

VOLVOL

AUDAUD

Panel assy KDC-MP728 (A64-3506-12)

ATT

VOLVOL

AUDAUD

System

SCAN

AME

AUTO

REP

RDM

KDC-MP728

SCRL

M.RDM

SWSW

Panel assy KDC-W7031/Y (A64-3508-12)

ATT

VOLVOL

AUDAUD

System

AMETIMENU

SCAN

REP

RDM

KDC-W7031

SCRL

M.RDM

SWSW

C.S.

SRC

FFFF

ATT

VOLVOL

AUDAUD

SPARE TDF PANEL

MAIN UNIT NAME TDF PARTS No. TDF NAME KDC-MP628 Y33-2200-62 TDF-MP75D KDC-MP7028 Y33-2200-60 TDF-MP75DB KDC-MP728 Y33-2200-62 TDF-MP75D

PTY

SRC

FFFF

KDC-MP8029 Y33-2200-63 TDF-MP8029 KDC-W7031/Y Y33-2200-64 TDF-W7031

Panel assy KDC-MP7028 (A64-3665-02)

System

SCAN

AME

AUTO

REP

RDM

Panel assy KDC-MP8029 (A64-3513-12)

System

SCAN

AME

AUTO

REP

RDM

KDC-MP7028

SCRL

M.RDM

KDC-MP8029

M.RDM

SWSW

SCRL

SWSW

C.S.

SRC

FFFF

SRC

FFFF

Mounting hardware assy (J21-9716-03)

* DC cord (E30-xxxx-xx)

* DC cord (E30-6412-05)

Plastic cabinet assy (A02-2732-03)

* Escutcheon (B07-xxxx-xx)

* Antenna adaptor (T90-0523-05)

* Screw set (N99-xxxx-xx)

* Depends on the model. Refer to the parts list.

* Remote controller assy (RC-527) (A70-2067-05)

Lever (D10-4589-04) x2

This product uses Lead Free solder.

* Tapping screw (N09-xxxx-xx)

Battery (Not supplied)

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

BLOCK DIAGRAM

FRONT-END

E2PROM

FST

CN550

CD/MD

LX-BUS

BU5V

Q450

DSI

MPX

RDS

for

Q402,403

AM+B

SW5V

BU5V A8V SERVO D5V

BACK

SPECTRUM

ANALYZER

A8V

IC300

AUX FM/AM CDorMD CH

IC400

(X16-252)

IC104

SW5V

IC100

RESET IC

PANEL

IC5

RESET SW

KEY MATRIX

IC1

FLASH ROM

ROTARY ENCODER

IC2

SPECTRUM ANALYZER

IC6

REMOTE KEY ILLUMI

SPECTRUM ANALYZER

IC500

AGC

E-VOL/ SOURCE SELECTOR

MUTE 0,1

MUTE A,C

RDS DECODER

MD-DET

INSTALLER MEMORY ROM CORRECTION

BU5V

IC7

LEVEL SHIFT

IC4

ILL+B

Q3-5

A8V

WININ OFFSET

IC8

LEVEL SHIFT

PANEL u-COM

ED1

IC5 IC3

D3.3V D5VBU5V

IC1

A3.3V A5V

IC303IC301,302 IC306-308IC305

LPF DSP DAC LPF

IC304

LEVEL

D3.3V

SHIFT

MUTE A,C

SYSTEM u-COM

SW3.3V

Q9,10

FL3.3V

RST

Q7,8

SW5V

IC11

D3.3V

IC10

D2.5V

FL+B

STBY

Q11,13

MUTE

IC4

IC102

0,1,2

BU5V

IC800 Q800,802

A3.3V REF+B

Q801

SVR REF

IC103

MUTE DRIVER

RST

SW5V

Q100,101

PANEL OPEN/ CLOSE DET

PANEL MECHA

SERVO

D5V

Q22,23

IC450

Q31,33

Q63,64

IC60

IC80

SW5V

MOTOR DRIVER

SERVO

CD5V

DC/DC (VFD)

FL DC

Q608-613

PRE MUTE AMP

IC750

IC200

Q208,209

Q206

Q207

Q202

Q203,204

SURGE DET

Q205

BU5V

A8V

ILL+B

IC601-603

POWER IC

P-CON

ANT-CON

EXT AMP

DIMMER

ACC DET

B.U DET

Q20,21

Q12

IC10

IC601-603

DC/DC (5VPRE)

Q30,32

MOTOR +B

PANEL 5V

Q50-52

Q41,43,44

BU5V

SW14V

A8V

SW16V

ILL+B

Q40,

42,45

AUX IN

PRE OUT (FRONT)

PRE OUT (REAR)

PRE OUT (SW)

SP OUT(FL) SP OUT(FR) SP OUT(RL) SP OUT(RR)

WIRED REMOTE OPEL DISP

P CON

ANT CON

EXT.AMP.CON

DIMMER

LINE

ACC

BACK UP

CD PLAYER UNIT (X32-5740)

PICKUP

ACB

FO COIL

TR COIL

SPINDLE MOTOR

LOADING & SLED MOTOR

APC

IC3

MOTOR DRIVER

S.GND

IC7

RF AMP

+ SERVO PROCESSOR

+ MP3 DECODER

+ WMA DECODER

+ AAC DECODER

+ 1Mbit SRAM

VREF

CLOCK

16.934MHz

D.GND

DMUTE

IC4

MICRO PROCESSOR

CLOCK

16.00MHz

IC1

A3.3V REG

P-ON2

P-ON1

D.GND

IC2

IC6

D3.3V REG

D.GND

LPF

D.GND

IC5

BU3.3V REG

D.GND

(0-01)ONLY

D.GND

S.GND

MOTHER BOARD

A8V

L-ch R-ch

A.GND D.OUT

MRST

MSTOP

CLK

DATA

MUTE L

MUTE R

BU5V D.GND

D5.0V

LOE/LIM-SW

8EJE-SW

12EJE-SW

LOS-SW

S.GND S7.5V LO/EJ MOTOR

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

COMPONENTS DESCRIPTION

● ELECTRIC UNIT (X34-3xxx-xx)

Ref. No. Application / Function Operation / Condition

IC10 AUDIO8V REF POWER SUPPLY 1.27V output

IC60 SWITCHING REGULATOR CONTROLLER

IC80 FL+B VFD power supply (57V)

IC100 RESET IC "L" when detection voltage is 3.6V or less

IC102 SYSTEM µ-COM

IC103 MUTE DRIVER Mute control

IC104 E2PROM Installer memory

IC200 POWER CONTROL IC Power control switching

IC300 E-VOL & SOURCE SELECTOR Source / Volume / Tone control

IC400 RDS DECODER

VFD / Mechanism digital power supply.

OUT1 : VFD (4.7V), OUT2 : Mechanism digital (5V)

FM/AM tuner / Changer / CD mechanism / Panel / Volume / Tone control

IN1 IN2 PANEL MECHA

LLWAIT

IC450 PANEL MECHA MOTOR DRIVER

IC451 G-ANALYZER Analog gravity sensor

IC500 SPECTRUM ANALYZER BUFFER AMP & AGC Spectrum analyzer buffer / Auto gain control

IC600 ±9V AVR 5V pre-out power supply

IC601~603

IC750 POWER IC Front L/R and a rear L/R signal amplification

IC800 AUDIO3.3V REF SUPPLY / SVR6.8V REF SUPPLY

Q10,11 AUDIO8V AVR When Q11 base is “H”, A8V is output

Q12 SW14V When base is “H”, SW14V is output

Q20,21 B.U.5V AVR When backup is “ON”, BU5V is output

Q22,23 SW5V When Q23 base is “H”, SW5V is output

Q30,32 MOTOR+B AVR (PANEL MECHA) When Q9 base is “H”, 7.5V MOTOR+B is output

Q31,33 SERVO+B AVR When Q33 base is “H”, 8V SERVO+B is output

Q40,42,45 PANEL5V AVR When Q42 base is “H”, PANEL5V is output

Q41,43,44 ILLUMINATION AVR When Q43 base is “H”, 10.5V ILLUMI voltage is output

Q50~52 SW16W (SERGE PROTECTION) When Q51 base is “H”, SW16V (13V) is output

Q60 VFD (4.7V) AVR SW When base is “H”, VFD AVR is turned “OFF”

5V PREOUT AMP Buffer/Gained control

LHOPEN

HLCLOSE

HHSTOP

Supplying audio 3.3V reference voltage to E-VOL/LPF

Supplying SVR6.8V reference voltage to IC750 (POWER IC)

Q61

SWITCHING REGULATOR FREQUENCY

CONTROL SW (IC60)

F SEL1

(BASE)

F SEL2 (BASE)

L 400kHz 600kHz

H 650kHz 850kHz

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

COMPONENTS DESCRIPTION

Ref. No. Application / Function Operation / Condition

Q62 MECHA DIGITAL AVR SW When base is “H”, MECHA DIGITAL AVR is turned “OFF”

Q63 VFD (4.7V) AVR SWITCHING POWER DRIVER Controlled by IC60 and Q61 determines frequency

Q64 MECHA DIGITAL AVR POWER DRIVER Controlled by IC60 (Frequency is fixed to 400kHz)

Q80,81 VFD (57V) AVR SW When Q81 base is “H”, VFD (57V) is output

Q91 PANEL5V DISCHARGE SW When base is “H”, PANEL5V is discharged

Q100,101 PANEL DETECT SW When Q100 base is “L”, panel is detected

Q200,201 PREOUT MUTE DRIVER When base is “L”, MUTE DRIVER is turned “ON”

Q202 ACC DETECT SW When base is “H”, ACC voltage is detected

Q203,204 SERGE DETECT SW When Q204 base is “H”, IC750 (POWER IC) is turned to standby.

Q205 BU DETECT SW When Q35 base is “H”, backup voltage is detected

Q206 EXT AMP CONTROL BUFFER Output buffer from IC102 (µ-COM)

Q207 SMALL LAMP DETECT SW When base is “H”, small lamp is detected

Q208,209 POWER ANTENNA SW Q206 base is “H”, 14V POWER ANTENNA voltage is output

Q402,403 AM+B SW When Q403 base is “H”, AM+B is output

Q450 DSI DRIVER

Q500 SPECTRUM ANALYZER AGC CONTROLLER

Q600~602

Q603~605

Q606,607 AUDIO 10.5V AVR When Q606 base is “H”, 10.5V is output

Q608~613

Q800,802 REF+B AVR When Q800 base is “H”, 13V is output

Q801 SVR6.8V REF SUPPLY AGC CONTROLLER

PRE-AMP +9V AVR

PRE-AMP -9V AVR

PREOUT MUTE SW When base is “H”, pre-out is muted

When base is “H”, DSI is turned “ON”. When base is “L”, DSI is

turned “OFF”. When panel is off, DSI blinks.

When excess input is made, feed-back is interrupted which slows down output.

Q600 and Q602 function as differential amplifier.

Q601 functions as a driver and +9.4V is supplied to op amp for pre-out.

Q603 and Q605 function as differential amplifier.

Q604 functions as a driver and –9.1V is supplied to op amp for pre-out.

When backup voltage is down, feed-back is interrupted which slows down output.

● SWITCH UNIT (X16-2950-1x / X16-3122-72)

Ref. No. Application / Function Operation / Condition

IC1 ROM IC / FLASH ROM IC Display image data storage

IC2 SPECTRUM ANALYZER 6-ch band pass filter

IC4 PANEL µ-COM

IC5 RESET IC Functions when panel is attached

IC6 REMOTE CONTROL

IC7 LEVEL SHIFT Conversion from 5V level to 3.3V

IC8 LEVEL SHIFT Conversion from 3.3V level to 5V

IC9 BUFFER Functions when controlling fruorescent indicator tube (ED1)

IC10 2.5V REGULATOR For 2.5V power supply

IC11 3.3V REGULATOR For 3.3V power supply

Q1 TRIANGLE GREEN LED SW Lights up when base is “H”

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

COMPONENTS DESCRIPTION

Ref. No. Application / Function Operation / Condition

Q2 TRIANGLE RED LED SW Lights up when base is “H”

Q3 BLUE LED SW Lights up when base is “H”

Q4 GREEN LED SW Lights up when base is “H”

Q5 RED LED SW Lights up when base is “H”

Q6 SW3.3V SW When base is “L”, SW3.3V is supplied to IC1 and IC3

Q7,8 SW5V SW When Q8 base is “H”, SW5V is supplied to IC2 and IC6

Q9,10 FL3.3V SW

Q12 FL BLK SW When base is “H”, fruorescent indicator tube (ED1) lights up

Q11,13 FL+B SW

● CD PLAYER UNIT (X32-5740-0x)

Ref. No. Application / Function Operation / Condition

IC1 A3.3V regulator Power supply for audio 3.3V

IC2 Ope amp for low-pass filter

IC3 4ch BTL driver Driving spindle motor and loading/ejection operation

IC4 µ-com

IC5 Bu 3.3V regulator Power supply for backup 3.3V

IC6 D3.3V regulator Digital 3.3V power supply

IC7 Audio DAC built-in servo DSP MP3, WMA, and AAC compatible

IC8 Memory IC Used only for 0-02 destination

IC11 Buffer IC Level shift

Q1 A3.3V discharge circuit

Q4 Electric AMP Adjusts current to be sent to laser

Q5,6 SW 5V

Q7,8 SW 8V

D1 For electric AMP

When Q9 base is “H”, FL+3.3V (VDD1) is supplied to fruorescent indicator tube

When Q11 base is “H”, FL+B (VDD2) is supplied to fruorescent indicator tube

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

● SYSTEM MICROCOMPUTER : IC102 (X34- : ELECTRIC UNIT)

Pin No. Pin Name I/O Function Processing Operation

1 VREF - Analog reference voltage

2AVCC -

3 LX DATA S I Data from slave unit

4 LX DATA M O Data to slave unit

5 LX CLK I/O LX-BUS clock

6 WIRED REMO I External display remoter controller

7 LX MUTE I Mute request from slave unit H : MUTE ON, L : MUTE OFF

8AUD SDA O E-VOL data SPI communication

9AUD SEL O E-VOL control SPI communication

10 AUD SCL O E-VOL clock SPI communication

11 DAC RST O DAC reset L : DAC RESET

12 NC - Not used

13 BYTE - GND

14 CNVSS -

15 XCIN I Clock 32,768kHz

16 XCOUT I Clock 32,768kHz

17 RESET I Reset

18 XOUT - Clock 12MHz

19 VSS - GND

20 XIN - Clock 12MHz

21 VCC1 -

22 NMI I

23 PANEL DET I Panel detection H : No panel, L : Panel exists

24 RDS CLK I RDS decoder clock

25 LX REQ S I Communication request from slave unit

26 PON AM I/O AM power supply control AM in operation : H, AM not in operation : HI-Z

27 LX REQ M O Communication request to slave unit

28 TUN IFC OUT I Front-end IFC out H : Station exists, L : No station

29 RDS AFS L I/O Time constant switching when noise detected Refer to Truth Value Table (RDS AFS)

30 RDS AFS M I/O Time constant switching when noise detected Refer to Truth Value Table (RDS AFS)

31 RDS QUAL I RDS decoder QUAL

32 RDS DATA I RDS decoder DATA

33 PWIC BEEP O Beep

34 TUN SCL I/O Front-end I2C clock MAX 400kHz

35 TUN SDA I/O Front-end I2C data

36 SYS DATA O Inside-panel communication data MAX 500kbps

37 VCC1 -

38 PAN DATA I Inside-panel communication data MAX 500kbps

39 VSS -

40 SYS REQ O Communication request from system µ-com

41 PAN REQ I Communication request from panel

42 SDA I/O E2PROM I2C data MAX 100kHz

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Function Processing Operation

43 SCL I/O E2PROM I2C clock MAX 100kHz

44 PON PANEL I/O Panel 5V control

45 DSI I/O DSI control

46~49 NC - Not used.

50 PM MOT1 O Panel motor control 1 Refer to Truth Value Table (PANEL MOTOR)

51 PM MOT2 O Panel motor control 2 Refer to Truth Value Table (PANEL MOTOR)

52 EPM I Flash EPM

53 PM OPEN I Panel full open detection Refer to Truth Value Table (PANEL MECHA)

54~56 NC - Not used

57 P5V DIS I/O Panel 5V discharge control H : Discharge, Other : Hi-Z

58 PM CLOSE I Panel mechanism close detection Refer to Truth Value Table (PANEL MECHA)

59 ROMCOR DET I E2PROM write request H : Write

60 PM DET I Panel mechanism detection H : Function check in progress

61 SC CON O

62 NC - Not used

63 TUN TYPE1 I Destination setting 1 TUN TYPE1 : L, TUN TYPE2 : L

64 TUN TYPE2 I Destination setting 2 TUN TYPE1 : L, TUN TYPE2 : L

65,66 NC - Not used

68 CD LOS SW I CD loading detection

69 CD MUTE R I CD mute (Rch) request L : Rch mute request

70 CD MUTE L I CD mute (Lch) request L : Lch mute request

71 CD MRST O CD mechanism microcomputer reset L : Reset, H : Normal

72 CD MSTOP O CD mechanism microcomputer stop

73 NC - Not used

75 CD LOEJ I/O CD motor control Refer to Truth Value Table (CD MOTOR / CD LOEJ)

76 CD MOTOR O CD motor control Refer to Truth Value Table (CD MOTOR / CD LOEJ)

77 PON ILLUMI I/O Key illumination power supply control ON : H, OFF : Hi-Z

78 PON CD I/O CD/WMA power supply control At time of CD source: H, Other than CD : Hi-Z

79 PON O Power supply control POWER ON : H, POWER OFF : L

80 PON FL+B O

81 PON FDC I/O

82 F SEL1 O SW-Reg frequency switching

83 F SEL2 O SW-Reg frequency switching

84 DIAG I/O P-CON excess current surveillance

85 VCC2 -

86 EXT AMP CON I/O External amplifier control

87 VSS -

88~91

92 NC - Not used

CD DISC12 SW

CD LOE LIM SW

TYPE 1~TYPE4

Inside-panel communication (Chip enable when flash)

I 12cm CD detection

I CD detection (Chucking SW) H : Loading complete, L : No disc

Fruorescent indicator tube bias power supply control

Fruorescent indicator tube filament power supply control

I Destination switching

ON : H (Momentary power down/Panel detached)

11 Minutes after ACC OFF : Hi-Z

POWER OFF, ACC OFF : L

L : Mechanism microcomputer stop,

H : Mechanism microcomputer in operation

POWER ON : H, POWER OFF or display black out : L

POWER ON : L, POWER OFF or display black out : Hi-Z

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Function Processing Operation

95 OEM DISP CE I/O External display control request External display

96 NC - Not used.

97 P CON O External amplifier control POWER ON : H, POWER OFF or STANDBY : L

98 NC - Not used.

99 ANT CONT O Power antenna control TUNER ON : H

100 ILLUMI DET I Dimmer illumination detection L : ON, H : OFF

101 BU DET I Momentary power down detection BU : L, No BU or momentary power down : H

102 ACC DET I ACC power supply detection ACC ON : L, ACC OFF : H

103 (PWIC SVR) O SVR discharge circuit

104 PWIC MUTE O Power IC mute

105 PWIC STBY O Power IC standby control POWER ON : H, POWER OFF : L

106 LX CON O Start up request to slave unit H : SLAVE UNIT ON, L : SLAVE UNIT OFF

107 MUTE PRE R O Rch pre-out mute

108

109 MUTE 0 O E-VOL front mute ON : L, OFF : H

110 MUTE 1 O E-VOL rear mute ON : L, OFF : H

111 MUTE 2 O E-VOL sub mute ON : L, OFF : H

112 MUTE A O E-VOL spctrum analyzer mute ON : L, OFF : H

113 DSP MUTE I/O DSP mute ON : L, OFF : Hi-Z

114 MUTE C O E-VOL AFS mute ON : L, OFF : H

115 DSP INIT RST O DSP initial reset L : Reset, H : Reset release

116 DSP S RST O DSP system reset L : Reset, H : Reset release

117 DSP RQ O Request to DSP L : Request

118 DSP CS O DSP chip select L : Select

119 NC (GTEST) O Not used

120 LINE MUTE I Line mute detect

121 MD DET I For a terminal of MD receiver

122 PWIC DC DET I DC offset error detect

123 LX RST O Hard reset to slave unit H : Reset, L : Normal

124 G Y OUT I Analog Y gravity detect

125 G X OUT I Analog X gravity detect

126 RDS NOISE I FM noise detection

127 AVSS -

128 TUN SMETER I S-meter input

OEM DISP DATA

OEM DISP CLK

CD MUTE PRE L

I/O External display DATA External display

I/O External display CLK External display

H : 5 seconds after POWER OFF and momentary

power down, Then : L

L : When STANDBY source or momentary power

down, L : When TEL MUTE

L : When “MUTE PRE R” is “L” or at momentary

power down, H : Only when 2-zone

O Lch pre-out mute

L : When “MUTE PRE L” is “L” or at momentary power

down, H : Only when 2-zone

TEL MUTE : 1V or less,

NAVI MUTE : 1V or less, 2.5V or more

MICROCOMPUTER’S TERMINAL DESCRIPTION

Truth Value Table

CD MOTOR / CD LOEJ

CD MOTOR

Standby L Hi-Z

Eject H H

Load H L

Brake H Hi-Z

Use prohibited

PANEL MOTOR

OPEN CLOSE STOP WAIT

PM MOT1 L H H L

PM MOT2 H L H L

CD LOEJ

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

PANEL MECHA

FULL OPEN FULL CLOSE OTHER

PM OPEN H L L

PM CLOSE H L H

RDS AFS

RDS AFS M RDS AFS L

AFS LOW L L

AFS MID L Hi-Z Sound output with AF search

AFS HIGH Hi-Z Hi-Z Normal reception

No sound output with AF search

Condition

● PANEL MICROCOMPUTER : IC4 (X16- : SWITCH UNIT)

Pin No. Pin Name I/O Function Processing Operation

1~7 D14~D8 I/O Data input/output

8 3.3VDD - 3.3V

9 VSS - Connect to GND

10~17 D7~D0 I/O Data input/output

18 FLGCP1 O FL harmony control

19 NC - Not used

20 SYS REQ I System µ-com communication request H : Data communication

21 SC CON I

22 FL BK O Fruorescent indicator blackout control H : Fruorescent indicator turned on, L : turned off

23 2.5VDD - 2.5V

24 VSS - Connect to GND

25 NC - Not used

26,27 KS1, KS2 I/O Key scan L : Output, Hi-Z : Switching

28,29 TD0, TD1 - Not used

30,31 KS3, KS4 I/O Key scan L : Output, Hi-Z : Switching

32 TRST - Pull down

33 ROTARY CCW I Rotary A 1-pulse/2-click, 15-pulse/360°

34 ROTARY CW I Rotary B 1-pulse/2-click, 15-pulse/360°

35,36 TMS, TCM - Not used

37 3.3VDD - 3.3V

38 EVSS - Connect to GND

39 KS5 I/O Key scan L : Output, Hi-Z : Switching

40~42 KR1, KR2, KR3 I Key return

43 FLGCP2 O Fruorescent indicator harmony control

44 PAN REQ O Panel communication request H : Data communication in progress

System µ-com communication/Panel operation control

Lighting timing (brightness harmony) is controlled

with pulse interval. GCP=FLGCP1+FLGCP2

H : Panel operation

Lighting timing (brightness harmony) is controlled

with pulse interval. GCP=FLGCP1+FLGCP2

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Function Processing Operation

45 SYS DATA I Data reception from system µ-com UART communication 500kbps

46 PAN DATA O Data transmission from panel UART communication 500kbps

47 FL CLK O

48 KR4 INT I Key return Interruption possible

49 FL DATA1 O Fruorescent indicator serial control data

50 CLK IN3 I Serial synchronization clock Synchronized to Fruorescent indicator CLK

51 FL EL O Fruorescent indicator skip shift control H or Hi-Z : Odd number skip, L : Even number skip

52 FL DATA2 O Fruorescent indicator serial control data

53 CLK IN2 I Serial synchronization clock Synchronized to Fruorescent indicator CLK

54 FL LAT O Fruorescent indicator latch control

55 FL DATA3 O Fruorescent indicator serial control data

56 3.3VDD - 3.3V

57,58 X2,X1 I Clock 6.6MHz

59 CVSS - Connect to GND

60 CKSEL - Connect to GND

61 PSEL - Connect to VDD

62 2.5VDD - 2.5V

63 VSS - Connect to GND

64 MODE0 - Connect to GND

65 MODE1 - Pull down

66 PAN RST I Input from reset IC

67 AVDD1 I D/A conversion reference voltage Connect to D3.3V

68,69 NC - Pull down

70,71 AVSS1,AVSS0 - D/A conversion reference GND

72 AVDD0 - A/D conversion reference voltage Connect to D3.3V

73 WAVE IN I Voice input AD read

74 F01 I BPF (63Hz) AD read

75 F02 I BPF (150Hz) AD read

76 F03 I BPF (330Hz) AD read

77 F04 I BPF (1kHz) AD read

78 F05 I BPF (3.3kHz) AD read

79 F06 I BPF (10kHz) AD read

80 NC - Pull down

81 2.5VDD - 2.5V

82 VSS - Connect to GND

83 NC - Not used

84 TYPE I

86 REMO I Remote controller signal Detection with pulse width

87 PON FL+B O Fruorescent indicator bias power supply switch H : ON, L : OFF

88 PON FLVDD I/O

89 PON 5V I/O 5V power supply switch

NC (VREFCON)

Fruorescent indicator serial communication reference clock

Whether there is customizing or not designation setting

O Not used

Fruorescent indicator logic section power supply switch

Reference clock 4.125MHz

H : Flash ROM (This model), L : Mask ROM (Other model)

H : ON, Hi-Z : OFF

Remote controller IC / Space analyzer IC power

supply H : ON, Hi-Z : OFF

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Function Processing Operation

90~93 NC - Not used

94 WE I/O Memory data write permission L : Write, H : Wait SW3.3V start up : Hi-Z

95 OE I/O Memory data transmission permission

96,97 NC - Not used

98 3.3VDD - 3.3V

99 VSS - Connect to GND

100 FROMCHK - Not used

101 CE I/O Memory operation permission L : Operation, H : Wait SW3.3V start up : Hi-Z

102~104

105 ROMCOR SCL - Not used

106 ROMCOR SDA - Not used

107 NC (SEL E2P) - Not used

108

109 PON TRI RED I/O Triangle red light ON switch H : Light ON, Hi-Z : Light OFF

110 PON BLUE I/O Blue sub-illumination light ON switch H : Light ON, Hi-Z : Light OFF

111 SA RST O Spectrum analyzer IC reset H : Reset (1.8V or higher), L : Normal

112 3.3VDD - 3.3V

113 EVSS - Connect to GND

114 PON GREEN I/O Green key illumination light ON switch H : Light ON, Hi-Z : Light OFF

115 PON RED I/O Red illumination light ON switch H : Light ON, Hi-Z : Light OFF

116 PON SW3V I/O Rotary encoder power supply L : ON, Hi-Z : OFF

117 NC O Not used

118~123

124 2.5VDD - 2.5V

125 VSS - Connect to GND

126~133

134 3.3VDD - 3.3V

135 EVSS - Connect to GND

136~142

143 NC - Not used

144 D15 I/O Data input/output

NC - Not used

PON TRI GREEN

A21~A16 O Address output

A15~A8 O Address output

A7~A1 O Address output

I/O Triangle green light ON switch

L : Data transmission, H : Wait SW3.3V start up : Hi-Z

H : Light ON, Hi-Z : Light OFF, When blackout : Light ON

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

● MECHANISM MICROCOMPUTER : IC4 (X32- : CD PLAYER UNIT)

Pin No. Pin Name I/O Application

1NCONot used. Low-fixed

2 E2P_SCL I/O Rom correction E2P I2C clock

3~5 NC O Not used. Low-fixed

6 VDD - 5V electric potential

7 GND - GND electric potential

8,9 NC O Not used. Low-fixed

10,11 PON1,PON2 O Power ON/OFF control H : ON, L : OFF

12 LOE/LIM_SW I Down-limit SW detection L : Lim detection

13 DAC_MUTE O DAC MUTE control H : MUTE ON, L : MUTE OFF

14 DAC_RST O DAC RESET H : NORMAL, L : RESET

15 EMPH O External DAC Emphasis control

16,17 NC O Not used. Low-fixed

18 IC/Vpp - Write voltage (FLASH)

19 MUTE_L O Lch audio MUTE control L : MUTE ON, H : MUTE OFF

20 MUTE_R O Rch audio MUTE control L : MUTE ON, H : MUTE OFF

21 TYPE I DAC switching terminal

22 TEST_O 1 O TEST MODE O 1 (Not used.)

23 TEST_O 2 O TEST MODE O 2 (Not used.)

24 TEST_O 3 O TEST MODE O 3 (Not used.)

25 TEST_O 4 O TEST MODE O 4 (Not used.)

26 NC O Not used. Low-fixed

27 WAIT I Wait control signal detection

28~30 NC O Not used. Low-fixed

31 RESET I Reset detection H : NORMAL, L : RESET

32 XT1 I Not used.

33 XT2 - Not used.

34 REGC -

35 X2 -

36 X1 I

37 Vss - GND electric potential

38 VDD - 5V electric potential

39 NC O NC Output stopped in standby 3.3V driven

40 WRL I Multiplex WRITE signal 3.3V driven

41,42 NC O Not used. Low-fixed 3.3V driven

43 RD O Multiplex RD signal 3.3V driven

Processing Operation

Description

H : Emphasis ON, Used only with DXM-6590W.

L : Emphasis OFF With DXM-6580W, open and L-fixed.

L : Normal operation,

H : In writing.

H : DSP built-in DAC used,

L : DSP built-in DAC Not used.

* DXM-6580W : X92-5080-00, DXM-6590W : X92-5190-00

Remarks

Used only with DXM-6590W.

With DXM-6580W, open and L-fixed.

Used only with DXM-6590W.

With DXM-6580W, open and L-fixed.

H : DXM-6580W, L : DXM-6590W

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No. Pin Name I/O Application

44 ASTB O Multiplex ASTB signal 3.3V driven

45 NC O Not used. Low-fixed 3.3V driven

46 NC O Not used. Low-fixed 3.3V driven

47~54 AD0~AD7 I/O Multiplex address/data 3.3V driven

55 BVdd - Bus interface power supply

56 BVss - Bus interface GND

57~61 AB8~AB12 I/O Multiplex data/address 3.3V driven

62~65 NC O Not used. Low-fixed 3.3V driven

66 CS O Chip select control H : OFF, L : ON 3.3V driven

67 DSP RESET O DSP reset control H : NORMAL, L : RESET 3.3V driven

68~70 NC O Not used. Low-fixed 3.3V driven

71 Avdd -

72 Avss -

73 Avref I A/D por t reference voltage input

74 NC I Not used. Low-fixed

75 RAMSEL I

76 RZM I 0bit MUTE detection H : ≥1.7V, L : <1.7V

77 LZM I 0bit MUTE detection H : ≥1.7V, L : <1.7V

78 AAC I AAC compatibility switching

79 ASEL I Audio output polarity switching

80 E2P_WR I E2PROM write switching

81 TEST_I 0 I TEST MODE I 0 (Not used.)

82 TEST_I 1 I TEST MODE I 1 (Not used.)

83 TEST_I 2 I TEST MODE I 2 (Not used.)

84 TEST_I 3 I TEST MODE I 3 (Not used.)

85 NC I Not used. Low-fixed

86 NC O Not used. Low-fixed

87 MSTOP I Standby restart interruption H : STOP release, L : STOP

88 INTSV I Interruption from servo IC H : Interruption

89~92 NC O Not used. Low-fixed

93 D-MUTE O Driver MUTE H : OFF, L : ON

94 SYS_SDA I/O System µ-com I2C data Flash write port (SI0)

95 NC O Not used. Low-fixed Flash write port (SO0)

96 SYS_SCL I/O System µ-com I2C clock Flash write port (SCK0)

97~99 NC O Not used. Low-fixed

100 E2P_SDA I/O ROM correction E2P I2C data

With DRAM/No DRAM switching

for different models

Processing Operation

Description

H : With DRAM, L : No DRAM

H : AAC non-compatible, AAC non-compatible mode has priority

L : AAC compatible for both hardware and software.

H : Reverse output,

L : Non-reverse output

H : E2PROM WRITE,

L : NORMAL

Remarks

KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y

TEST MODE

● How to enter the test mode

In order to enter the test mode, reset the unit while simulta-

neously pressing down [1] and [3] keys.

● How to clear the test mode

The test mode is cleared in case of any of the following events:

resetting, momentary power down, Acc OFF, Power OFF and

removal of the panel.

● Initial conditions of the test mode

• Source is STANDBY.

• Displays lights are all turned on.

• The volume is at –10dB (The display is 30).

• Loudness (LOUD) is OFF.

• CRSC is OFF, regardless of whether there are switching

functions or not.

• SYSTEM Q is NATURAL (=FLAT).

• BEEP will sound anytime with a less than 1 second push.

• Auxiliary (AUX) is ON.

• DISPLAY TYPE is TYPE D.

• The Multi-function Key System are source dependent sys-

tems. (TUNER → Preset, CD / CD-CH → Scan, etc.)

• Display of TUNER sources will be as follows :

European Models : Upper Display=PS/frequency, Middle

Display=spectrum analyzer, Lower Display=multi-function

Other Models : Upper Display=SNPS, Middle Display =spec-

trum analyzer, Lower Display=multi-function

• CD source display will be as follows :

All Models : Upper Display=P-TIME, Middle Display= spec-

trum analyzer, Lower Display=multi-function

• SWPRE is SUB WOOFER.

● RDS automatic measurement

Conventionally, the PS display has been visually checked on

the production line. This will be replaced by a new processing.

The PS data will be received and the PS contents is to be

verified as “RDS_TEST”. When this is verified, the P-CON

terminal is forced to go OFF. (In this case, “ _ ” means blank.)

→ This will be a dedicated test mode processing.

On the P-CON, when power is turned off once and, then,

turned on again, (Power OFF → ON) the unit will be re-

started.

● Special display when set to TUNER

When in TUNER mode, if any of the following displays appear,

there is an abnormality with the front end.

• “TNE2P_NG” : At production site, the E2PROM is still with

the default (unspecified) value, due to the fact that the front-

end being shipped without going through the adjustment

process.

•“TNCON_NG” : In this condition, the communication with

the front-end is not possible.

● Forced switching of K3I

In TUNER FM mode, each time [6] key is pressed, the func-

tions move in the following cycle :

AUTO → forced WIDE → forced MIDDLE → force NARROW

→ AUTO

The initial condition is AUTO and the displays below will ap-

pear.

• AUTO : FMA

• Forced MIDDLE : FMM

• Forced WIDE : FMW

• Forced NARROW : FMN

● CD receiver test mode specifications

•Jumps are made to the following tracks by pressing the

[

] key.

No. 9 → No. 15 → No. 10 → No. 11 → No. 12 → No. 13 →

No. 22 → No. 14 → No. 9 (Returns to the beginning)

It must be noted, however, that when paying MP3 / WMA /

AAC disk, which contain 8 files or less, the first track and

the following tracks are played in order.

• When [ ] key is pressed, it goes down by 1 track.

• When a CD is used as a source, by pressing [1] key for less

than 1 second, a jump to the Track No. 28 is made.

• When a CD is used as a source, by pressing [2] key for less

than 1 second, a jump to the Track No. 14 is made.

• When a CD is used as a source, by pressing [3] key for less

than 1 second, a display of CD mechanism model name

and its version is made. When the pressing of [3] key for

less than 1 second is made for the second time, the normal

display is resumed. (Time code display)

• When a CD is used as a source, by pressing [6] key for less

than 1 second, a jump to the Track No. 15 is made. At the

same time, the volume value is set to 25 (2V PRE) and 27

(5V PRE).

TEST MODE

DATA

CLK

500msec

KDC-MP628/MP7028/MP728

MP8029/W7031/W7031Y

● Audio adjust mode

Model with no DSP

• By pressing [AUD] key for less than 1 second, the audio

adjustment mode can be entered.

• Using the remote controller [∗] key and [AUD] key, the au-

dio adjustment mode can be entered.

• Adjustment items of both the AUDIO FUNCTION MODE

and SETUP MODE are included.

• The initial item will be Fader, which is followed by : Balance

→ Bass Level → Middle Level → Treble Level → (Sub Woofer

Level) → HPF Front → HPF Rear → LPF Sub Woofer (Af-

ter this, it will be arbitrary)

• With the remote controller, continuous forwarding is pro-

hibited.

• Using the VOL knob, the Fader can be adjusted in 3 steps :

R15 ↔ 0 ↔ F15 (The initial value is 0)

• Using the VOL knob, the Balance can be adjusted in 3 steps

: L15 ↔ 0 ↔ R15 (The initial value is 0)

•Using the VOL knob, the Bass / Middle / Treble Level can

be adjusted in 3 steps : –8 ↔ 0 ↔ +8 (The initial value is 0)

• Using the VOL knob, the Sub Woofer Level can be adjusted

in 3 steps : –15 ↔ 0 ↔ +15 (The initial value is 0)

• Using the VOL knob, the Volume Offset can be adjusted in

2 steps : –8 ↔ 0 (The initial value is 0)

• Using the VOL knob, the HPF Front / Rear can be adjusted

in 2 steps : Through ↔ 180Hz (or 220Hz) (The initial value

is Through)

• Using the VOL knob, the LPF Sub Woofer can be adjusted

in 2 steps : 60Hz (or 50Hz) ↔ Through (The initial value is

Through)

• Using the VOL knob, the Sub Woofer Phase can be ad-

justed in 2 steps : Reverse ↔ Normal (The initial value is

Normal)

• Using the VOL knob, the Volume Offset can be adjusted in

2 steps : –8 ↔ 0 (The initial value is 0)

• Using the VOL knob, the Loudness ON/OFF can be ad-

justed in 2 steps : OFF ↔ ON (The initial value is OFF)

• 2-Zone ON/OFF can be adjusted in 2 steps : OFF ↔ ON

(The initial value is OFF)

• Bass f / Bass Q / Bass EXT / Middle f / Middle Q / Treble f

do no appear in audio adjustments.

● MENU items

• Push the [ ] (NEXT) key for at least 1 second to enter the

MENU.

• The [DNPP/SBF] and [DIRECT] keys on the remote con-

troller can also be used to enter the MENU.

• With the remote controller, continuous forwarding is pro-

hibited.

• When a CD is used as a source, the default item will be the

ACD F/W Version.

● 2-ZONE (Dual Zone) items

• When using sources other than the STANDBY source, us-

ing a short-press on [AUTO] or [TI] key, 2-ZONE ON/OFF

is achieved.

● Backup current measurement

When reset in Acc OFF (Back Up ON) condition, MUTE termi-

nal goes off after 2 seconds, instead of 15 seconds. (During

this time, the CD mechanism does not function.)

● OPEL communication items

During the test mode, OPEL communication line outputs the

following (At every 500msec, the output condition of the com-

munication line will be switched.)

● G sensor display items

When source is STANDBY, by short-pressing [ATT] key, the

display is switched to analogy meter display, in which vertical

G and horizontal G are displayed.

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