KENWOOD KDC-MP5028, KDC-W6031, KDC-W6031Y Service Manual

CD RECEIVER

KDC-MP5028/MP528 /W6031/W6031Y

SERVICE MANUAL

© 2005-2 PRINTED IN JAPAN B53-0241-00 (N) 1553

CD MECHANISM EXTENSION

CORD (24P) : W05-0934-00

KDC-MP5028

Panel assy (A64-3509-12)

Escutcheon (B07-3125-01)

KDC-MP528

Panel assy (A64-3510-12)

Escutcheon (B07-3126-01)

KDC-W6031 KDC-W6031Y

Panel assy (A64-3512-12)

Escutcheon (B07-3126-01)

DC cord	DC cord	Plastic cabinet assy	Lever	Mounting hardware assy
(E30-6412-05)	(E30-6414-05)	(A02-2732-03)	(D10-4589-04) x2	(J21-9716-03)

Remote controller assy	Size AA battery	Antenna adaptor	Screw set	Screw set
(A70-2067-05)	(Not suplied)	(T90-0523-05)	(N99-1723-05)	KDC-MP5028/MP528:
				(N09-6212-05)
				KDC-W6031/W6031Y:
				(N09-6280-05)

RC-527

TDF PANEL INFORMATION

	MODEL	TDF PANEL No.	TDF NAME
	KDC-MP5028	Y33-2180-61	TDF-MP55DB
Depends on the model.	KDC-MP528	Y33-2180-62	TDF-MP55D
Refer to the parts list.	KDC-W6031/W6031Y	Y33-2180-64	TDF-W6031

This product uses Lead Free solder.

2

ELECTRIC UNIT (X34-342x-xx/3762-71)

F/E

FST

IC9 RDS

		BU
	A8V	LX-BUS
	AM+B
	SW5
	SW5

A8V	CD5V
SERVO+B	BU5V
AUX	CD MECHA
	DXM6580W
	DXM6800W
IC2

OPELDISP MARINEDISP

5

	BU	PW-IC SVR
	IC4
	PW-IC	SP-OUT
		R/L
		R/R
		F/L
		F/R

EXT CONT

Q107 EXT-AMP

		A8V	E-VOL
	A8V		IC2-6
		PRE+B
	IC11
		3.3VREF.
	4VPRE-REF.	MUTE	DC-DET

AM+B

A8V

AM+B Q300

P-M+B IC8

MOTOR DRIVER

SLIDE	SW
MECHA
DET	FUNCTION
	IC7

8

3 8 2

2

4	3	2	10	3	4
IC1
	SYSTEM u-COM
2			5

MOTOR+B	RST		EEP-DET
SLIDE	BU5
MECHA			DSI/
		PAN5	GUIDE ILL
			ILL+B
(X16- )		CN/FPC
			Q2
			PAN5	F+/F-
			SW

Q400-405		PRE-OUT(2V/4V)		PHONE
	PRE-OUT	FRONT
		REAR
	MUTE			DIMMER
		SUB-WOOFER
SW5	2	IC902
IC10				ACC DET
EEPROM	PW-IC SVR	SVR/	A8V
	3.3VREF.	3.3VREF.	SVR+B
	PW-IC	E-VOL
BU5		BU5
2
		MUTE
3		BU DET		BU
TYPE-SW				DET
2		RST		Q101
OEM TYPE-SW				ANT-SW

PHONE Q108 DIMMER Q112 ACC-DET

Q109

SURGE

DET

Q111 BU-DET Q103 PCON-SW

DC-CN etc

11EXT CONT/PHONE DIMMER/ACC DET BU DET/ANT CON P CON/PON

PON PAN CD/PON ILL PON PAN

		Q13
BU5	PAN5V	PAN5V
	PON PAN
	(PWR OFF ONLY)
F+/F-

ANT CON		P CON
	Q3
SW5	SW5V
	P ON
BU5
CD5V
BU5	PON PAN CD
P-M+B
	Q9
SERVO+B	CD SERVO	P ON
P ON

Q1 BU5V

IC12

PAN/

CD5V

Q7

PANEL M+B

Q4 SW14V

CN-DET		Q6
		SW
				DISP BLACK
			FL+B			FL
RESET	ROTARY	IC1		OUT SW
	ENCODER
					ILL
		FL DRIVER		55
IC2	Q1			Q4,5
		PAN5
SW5	SW5V			KEY-ILLUMI	KEY	KEY
REMO				SW	ILLUMI	MATRIX

		Q5		Q9
	A8V	A8V
			SVR+B	SVR+B
		Q18		IC5
		PAN
	ILL+B			ILL+B
		ILL+B
	PON ILL		P ON	Q15
			PRE+B	4V
				PRE+B

DC-CN

EXT-CONT PHONE ILLUMI ACC B.U. P-ANT P-CON

MP5028/MP528-KDC /W6031/W6031Y

DIAGRAM BLOCK

9

								KDC-MP5028/MP528
			BLOCK DIAGRAM						/W6031/W6031Y
		CD PLAYER UNIT (X32-5740)							MOTHER
			IC7			IC1			BOARD
PICKUP			RF AMP			A3.3V REG		SW	A8V
			+
			SERVO				IC2
			PROCESSOR
A	B		+				LPF		L-ch
			MP3 DECODER						R-ch
E	F
C		APC	+						A.GND
			WMA DECODER						D.OUT
			+		IC4
			AAC DECODER
			+						MRST
			1Mbit SRAM						MSTOP
			VREF
		IC3							CLK
FO COIL									DATA
			CLOCK	D.GND					MUTE L
					MICRO
TR COIL			16.934MHz						MUTE R
					PROCESSOR		IC5	D.GND
SPINDLE							BU3.3V REG		BU5V
		MOTOR						D.GND	D.GND
MOTOR
		DRIVER		DMUTE		P-ON2			D5.0V
LOADING &
						P-ON1		S3
SLED									LOE/LIM-SW
MOTOR						D.GND
					CLOCK			(0-01)ONLY
					16.00MHz		IC6	S4
									8EJE-SW
							D3.3V REG
		S.GND					D.GND	S2	12EJE-SW
							D.GND	S1	LOS-SW
								S.GND	S.GND
									S7.5V
									LO/EJ
									MOTOR

3

KDC-MP5028/MP528 /W6031/W6031Y

COMPONENTS DESCRIPTION

● SWITCH UNIT (X16-2920-11/3142-70)

	Ref. No.	Application / Function	Operation / Condition / Compatibility
	IC1	VFD Driver
	IC2	Remote Control IC
	Q1	SW5	The power supply for IC2 is turned on when Q1’s base level goes “L”.
	Q2,Q3	FL+ SW	The power supply for filament is turned on when Q3’s base level goes “H”.
	Q4	GREEN LED SW	GREEN LED is turned on when Q4’s base level goes “H”.
	Q5	RED LED SW	RED LED is turned on when Q5’s base level goes “H”.
	Q6,Q7	VFL SW	The power supply for IC1’s VFL is turned on when Q7’s base level goes “H”.
	Q8	GREEN LED SW	GREEN LED (TRIANGLE LED) is turned on when Q8’s base level goes “H”.
		(TRIANGLE LED)

● CD PLAYER UNIT (X32-5740-0x)

Ref. No.	Application / Function	Operation / Condition / Compatibility
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	-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

● ELECTRIC UNIT (X34-342x-xx/3762-71)

Ref. No.	Application / Function	Operation / Condition / Compatibility
IC1	System -com
IC2	E-vol IC
IC3	Regulator IC for A8V
IC4	Power IC
IC5	Regulator IC for ILL+B (10.65V)
IC6	Logic IC for muting
IC7	Reset IC
IC8	Motor Driver IC for Slide panel mecha
IC9	RDS Decoder IC
IC10	Rom IC for Installer-Memory and Rom-Correction

4

KDC-MP5028/MP528 /W6031/W6031Y

COMPONENTS DESCRIPTION

	Ref. No.	Application / Function	Operation / Condition / Compatibility
	IC11	AMP for 4V Pre-Out Ref.
	IC12	Switching regulator IC for CD mecha D5V and FL filament
	IC902	AMP for Power IC SVR and E-vol IC 3.3V Ref.
	Q1,2	B.U.5V AVR	While BU is applied, BU5V AVR outputs 5V.
	Q3,11	SW5V	When Q11’base goes Hi, SW5V outputs 5V.
	Q4,906	SW14V	When Q4’base goes Hi, SW14V outputs 14V.
	Q5,6	AUDIO8V AVR	When Q6’base goes Hi, A8V AVR outputs 8.3V.
	Q7,8	MOTOR+B AVR	When Q8’base goes Hi, M+B AVR outputs 8.3V.
	Q9,10	SERVO+B AVR	When Q10’base goes Hi, S+B AVR outputs 7.7V.
	Q12	SW for IC12	When Q12’base goes Lo, IC12 is turned on.
	Q13	PAN5V	When Q13’base goes Lo, PAN5V outputs 5V.
	Q14	4V PRE+B Short Protection	If Q15’Emitter short to GND, between Q14’Base to Emitter more than
			0.6V, Q14 ON and Q15 is turned off.
	Q15,16	4V PRE+B	When Q15’base goes Hi, 4V PRE+B outputs 12V.
	Q17,18	ILL+B SW	When Q17’base goes Hi, ILL+B SW outputs 10.65V.
	Q101,102	P-ANT SW	When Q102’base goes Hi, P-ANT SW outputs 14V.
	Q103,106	P-CON SW	When Q106’base goes Hi, P-CON SW outputs 14V.
	Q104,105	P-CON Protection	Protects Q104 from being triggered erroneously. This is achieved by
			turning on output protection when P-CON output grounding is detected.
	Q107	Ext Amp Control Buffer
	Q108	Small lamp det SW	When Q108’base goes Hi, Q108 is turned on.
	Q109,110	Surge det	When Q109’base goes Hi, Q109, Q110 are turned on.
	Q111	BU det	When Q111’base goes Hi, Q111 is turned on.
	Q112	ACC det	When Q112’base goes Hi, Q112 is turned on.
	Q113	Mute driver	When Q113’base goes Lo, mute driver is turned on.
	Q114	Mute driver	When Q114’base goes Lo, mute driver is turned on.
	Q115,116	Mute driver	When a base goes Lo, mute driver is turned on.
	Q300,301	AM+B SW	When Q301’base goes Hi, AM+B is out.
	Q304	DSI (Disabled System Indicator)	DSI blinks when Q304’base goes “H/L”
	Q400~405	Pre-out mute SW	When a base goes Hi, Pre-out is muted.
	Q905	SVR+B AVR	When Q905’base goes Hi, SVR+B AVR outputs 14V.

5

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

● MECHANISM MICROCOMPUTER 703030BYGCJ09A (X32-574 : IC4)

	Pin No.	Pin Name	I/O	Application	Processing Operation	Remarks
					Description
	1	NC	O	Not 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	Used only with DXM-6590W.
						With DXM-6580W, open and L-fixed.
	14	DAC_RST	O	DAC RESET	H : NORMAL, L : RESET	Used only with DXM-6590W.
						With DXM-6580W, open and L-fixed.
	15	EMPH	O	External DAC Emphasis control	H : Emphasis ON,	Used only with DXM-6590W.
					L : Emphasis OFF	With DXM-6580W, open and L-fixed.
	16,17	NC	O	Not used.	Low-fixed
	18	IC/Vpp	-	Write voltage (FLASH)	L : Normal operation,
					H : In writing.
	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	H : DSP built-in DAC used,	H : DXM-6580W, L : DXM-6590W
					L : DSP built-in DAC Not used.
	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

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

6

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

	Pin No.	Pin Name	I/O	Application	Processing Operation	Remarks
					Description
	43	RD	O	Multiplex RD signal		3.3V driven
	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 port reference voltage input
	74	NC	I	Not used.	Low-fixed
	75	RAMSEL	I	With DRAM/No DRAM switching	H : With DRAM, L : No DRAM
				for different models
	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	H : AAC non-compatible,	AAC non-compatible mode has priority
					L : AAC compatible	for both hardware and software.
	79	ASEL	I	Audio output polarity switching	H : Reverse output,
					L : Non-reverse output
	80	E2P_WR	I	E2PROM write switching	H : E2PROM WRITE,
					L : NORMAL
	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

7

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

● MAIN MICROCOMPUTER 30624MWPA35GP (X34 : IC1)

	Pin No.	Pin Name	Module	I/O	Application	Truth	Processing Operation Description
			(functional)			Value Table
	1	REMO	EXTRA	I	Remote controller signal input		Pulse width is detected.
	2	LX_MUTE	LX_M	I	Mute request from slave unit		H : Mute ON, L : Mute OFF
	3	AUD_SDA	AUDIO	I/O	E-VOL data output terminal
	4	AUD_SEL	AUDIO	O	E-VOL control terminal
	5	AUD_SCL	AUDIO	O	E-VOL clock output terminal
	6	BYTE	COM	-
	7	CNVSS	COM	-
	8	XCIN	COM	I
	9	XCOUT	COM	I
	10	RESET	COM	-
	11	XOUT	COM	-
	12	VSS	COM	-
	13	XIN	COM	-	12.0MHz
	14	VCC1	COM	-
	15	NMI	COM	I	Not used.
	16	CN_DET	EXTRA	I	Panel communication detection		H : No PANEL, L : With PANEL
	17	RDS_CLK	TUNER	I	RDS decoder CLK input terminal
					(RDS Model only)
	17	NC		O	Not used. (Other than RDS Model)		Output L-fixed
	18	LX_REQ_S	LX_M	I	Communication request from slave unit
	19	PON_AM	Power supply	I/O	AM power supply control		AM in operation : H,
							AM not in operation : Hi-z
	20	LX_REQ_M	LX_M	O	Communication request to slave unit
	21	TUN_IFC_OUT	TUNER	I	F/E IFC OUT input terminal		H : With station, L : No station
	22	RDS_AFS_L	TUNER	I/O	Constant switching at noise detection	r	Refer to truth value table.
	23	RDS_AFS_M	TUNER	I/O	Constant switching at noise detection	r	Refer to truth value table.
	24	RDS_QUAL	TUNER	I	RDS decoder QUAL input terminal
					(RDS Model only)
	24	NC		O	Not used. (Other than RDS Model)		Output L-fixed
	25	RDS_DATA	TUNER	I	RDS decoder DATA input terminal
					(RDS Model only)
	25	NC		O	Not used. (Other than RDS Model)		Output L-fixed
	26	PWIC_BEEP	PWIC	O	Beep output
	27	TUN_SCL	TUNER	I/O	F/E I2C clock input/output terminal		(MAX400kHz)
	28	TUN_SDA	TUNER	I/O	F/E I2C data input/output terminal
	29	VFD_SYS_DATA	toPANEL	O	VFD data output terminal		Data output
	30	VFD_PAN_DATA	toPANEL	I	VFD data input terminal		Data input
	31	VFD_CL	toPANEL	O	VFD clock output terminal		125kHz
	32	VFD_INH	toPANEL	O	VFD data blanking output		H : Light ON, L : Light OFF
	33	SDA/CD_SDA	CD	I/O	CD mechanism I2C data input/output
					terminal
	33	SDA/ROMCOR_SDA	EXTRA	I/O	ROM correction E2PROM I2C data
					input/output terminal
	34	SCL/CD_SCL	CD	I/O	CD mechanism I2C clock output
					terminal

8

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

	Pin No.	Pin Name	Module	I/O	Application	Truth	Processing Operation Description
			(functional)			Value Table
	34	SCL/ROMCOR_SCL	EXTRA	I/O	ROM correction E2PROM I2C clock
					output terminal
	35	PON_PANEL	Power supply	I/O	Panel 5V control terminal		POWER ON : Hi-Z, POWER OFF : L,
							50Ms before PON_PANEL/CD turns H : L
	36	DSI	EXTRA	I/O	DSI control terminal		OFF : Hi-z No PANEL : Pulse driven
							ILL_ON, OPEN (When Power_ON) : H
	37	PM_MOT1	P-MECHA	O	Panel motor control 1	w	Refer to truth value table.
	38	PM_MOT2	P-MECHA	O	Panel motor control 2	w	Refer to truth value table.
	39	ELM	COM	I	FLASH EPM input terminal
	40	PM_OPEN	P-MECHA	I	Panel full open detection	e	Refer to truth value table.
	41	PM_CLOSE	P-MECHA	I	Panel mechanism close detection	e	Refer to truth value table.
	42	ROMCOR_DET	EXTRA	I	E2PROM write request		H : Writing
	43	PM_DET	P-MECHA	I	Panel mechanism detection		H : Function check in progress
	44	VFD_CE	toPANEL	O	VFD_control request
	45	ROTARY_CW	toPANEL	I	VOL key input		Pulse width is detected.
	46	ROTARY_CCW	toPANEL	I	VOL key input		Pulse width is detected.
	47	CD_DISC12_SW	CD	I	CD disc detection terminal (12cm)
	48	CD_LOS_SW	CD	I	CD loading detection terminal
	49	CD_MUTE_R	CD	I	CD MUTE(Rch) request terminal		H : Normal, L : Rch mute request
							Effective only for CD
	50	CD_MUTE_L	CD	I	CD MUTE(Lch) request terminal		H : Normal, L : Lch mute request
							Effective only for CD
	51	CD_MRST	CD	O	CD mechanism -com RST terminal		H : Normal, L : Reset
	52	CD_MSTOP	CD	O	CD mechanism -com stop terminal		H : CD mechanism -com in operation
							L : CD mechanism -com stop
	53	NC	CD	O	Not used.		Output L-fixed
	54	CD_LOE_LIM_SW	CD	I	CD detection terminal (Chucking SW)		H : Loading complete, L : No disc
	55	CD_LOEJ	CD	I/O	CD motor control terminal	q	Refer to truth value table.
	56	CD_MOTOR	CD	O	CD motor control terminal	q	Refer to truth value table.
	57	PON_ILLUMI	Power supply	I/O	Key Illumi power supply control		ON : H, OFF : Hi-Z
					Panel 5V/CD WMA Power supply		POWER ON : L POWER OFF : H, when
	58	PON_PANEL_CD	Power supply	O			RESET, L before M-STOP. Refer to timing
					control terminal
							chart
	59	PON	Power supply	O	Power supply control		POWER ON : H, POWER OFF : L
	60	VCC2	COM	-
	61	EXT_AMP_CON	EXTRA	I/O	External AMP control
	61	NC		O	Not used. (Destination with no external		Output L-fixed
					AMP control)
	62	VSS	COM	-
	63~65	TYPE_1~TYPE_3	TYPE	I	Destination switching	y	Refer to truth value table.
	66	TUN_TYPE1	TYPE	I	Destination setting 1	t	Refer to truth value table.
	67	TUN_TYPE2	TYPE	I	Destination setting 2	t	Refer to truth value table.
	68	OEM_DISP_DATA	EXTRA	I/O	External display data		External display
	68	NC		O	Not used. (M-destination only)		Output L-fixed
	69	OEM_DISP_CLK	EXTRA	I/O	External display CLK		External display
	69	NC		O	Not used. (M-destination only)		Output L-fixed

9

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

	Pin No.	Pin Name	Module	I/O	Application	Truth	Processing Operation Description
			(functional)			Value Table
	70	OEM_DISP_CE	EXTRA	I/O	External display control request		External display
	70	NC		O	Not used. (M-destination only)		Output L-fixed
	71	NC	EXTRA	O	Not used.		Output L-fixed
	72	P_CON	Power supply	O	External AMP control terminal		POWER ON : H, POWER OFF : L,
							STANDBY source : L
	73	KEY_REQ	toPANEL	I	Communication request from VFD driver		Connect to VFD_PAN_DATA
	74	ANT_CON	EXTRA	O	Power antenna control		TUNER ON : H
	75	ILLUMI_DET	EXTRA	I	Dimmer Illumi control		L : ON, H : OFF
	76	BU_DET	EXTRA	I	Momentary power down detection		With BU : L,
							No BU, Momentary power down : H
	77	ACC_DET	EXTRA	I	ACC Power supply detection		With ACC : L, No ACC : H
	78	(PWIC_SVR)	PWIC	O	SVR discharge circuit		When POWER OFF and momentary
							power down, for 5 sec. : H, Then, : L
	79	PWIC_MUTE	PWIC	O	Power IC MUTE terminal		When STANDBY source and momentary
							power down : L, When TEL MUTE : L
	80	PWIC_STBY	PWIC	O	Power IC standby control		POWER ON : H, POWER OFF : L
	81	LX_CON	LX_M	O	Boot up request to slave unit		H : Slave unit ON, L : Slave unit OFF
							When CD MUTE R is L : H (When CD)
	82	MUTE_PRE_R	AUDIO	O	PRE_OUT MUTE Rch		At momentary power down : H
							Refer to timing chart. Only with 2-zone
							and NAVI interruption : L-fixed
							When CD MUTE L is L : H (When CD)
	83	MUTE_PRE_L	AUDIO	O	PRE_OUT MUTE Lch		At momentary power down : H
							Only with 2-zone and
							NAVI interruption : L-fixed
	84	MUTE_0	AUDIO	I/O	E-VOL FRONT MUTE terminal		L : MUTE ON, Hi-Z : MUTE OFF
	85	MUTE_1	AUDIO	I/O	E-VOL REAR MUTE terminal		L : MUTE ON, Hi-Z : MUTE OFF
	86	MUTE_2	AUDIO	I/O	E-VOL OTHER MUTE terminal		L : MUTE ON, Hi-Z : MUTE OFF
	87	LINE_MUTE	EXTRA	I	Line mute detection		TEL MUTE : 1V or less
							NAVI MUTE : 2.5V or more
	88	NC		O	Not used.		Output L-fixed
	89	PWIC_DC_DET	PWIC	I	DC Offset detection terminal
	90	LX_RST	LX_M	O	Hard resetting to slave unit		H : Reset, L : Normal
	91	MUTE_C	AUDIO	I/O	E-VOL MUTE terminal (For AFS)		L : MUTE ON, Hi-Z : MUTE OFF
	92	NC		O	Not used.		Output L-fixed
	93	RDS_NOISE	TUNER	I	FM noise detection terminal
	94	AVSS	COM	-
	95	TUN_SMETER	TUNER	I	S-meter output
	96	VREF	COM	-			Connect to P_ON
	97	AVCC	COM	-			Connect to VCC
	98	LX_DATA_S	LX_M	I	Data from slave unit
	99	LX_DATA_M	LX_M	I/O	Data to slave unit
	100	LX_CLK	LX_M	I/O	LX BUS clock

10

KDC-MP5028/MP528 /W6031/W6031Y

MICROCOMPUTER’S TERMINAL DESCRIPTION

PANEL General Purpose Port Functional Allocation

Pin No.

Active (H/L)

Pin Name

I/O

Application

Processing Operation Description

68

H

RED

O

RED LED control terminal

RED : H

GREEN : L

69

H

GREEN

O

GREEN LED control terminal

RED : L

GREEN : H

70

L

PON

O

Panel SW5V control terminal

SW5V ON : L

SW5V OFF : H

71

H

DBO

O

Triangle LED control terminal (eXcelon only)

DISPLAY BLACKOUT ON : H

DISPLAY BLACKOUT OFF : L

71

NC

O

Not used. (Other than eXcelon)

Output L-fixed

Truth Value Table

q CD_MOTOR, CD_LOEJ

CD_MOTOR

CD_LOEJ

Stop

L

L

Load

H

L

Eject

H

H

Brake

H

Hi-z

w PANEL MOTOR CONTROL

OPEN

CLOSE

STOP

WAIT

PM_MOT1

L

H

H

L

PM_MOT2

H

L

H

L

e PANEL MECHANISM CONTROL

FULL_OPEN

FULL_CLOSE

OTHER

PM_OPEN

H

L

L

PM_CLOSE

H

L

H

r AFS CONTROL

RDS_AFS_M

RDS_AFS_L

Condition

AFS LOW

L

L

No sound output with AF search

AFS MID

L

Hi-Z

Sound output with AF search

AFS HIGH

Hi-Z

Hi-Z

Normal reception

t TUNER TYPE

TUN_TYPE1 (66PIN)

TUN_TYPE2 (67PIN)

Third party model

L

L

OEM Model 1

L

H

OEM Model 2

H

L

OEM Model 3

H

H

y Destination

TYPE3

TYPE2

TYPE1

Destination

0

0

0

KDC-X589

0

0

1

KDC-MP5028

0

1

0

KDC-MP528

0

1

1

KDC-W6531

1

0

0

KDC-W6031

1

0

1

KDC-X7529

11

KDC-MP5028/MP528 /W6031/W6031Y

TEST MODE

● How to enter the test mode

In order to enter the test mode, reset the unit while simultaneously 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 short push.

•Auxiliary (AUX) is ON.

•SWPRE is SUB WOOFER (2 PREOUT models).

● 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 restarted.

● 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” : 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 functions move in the following cycle : AUTO → forced WIDE → forced MIDDLE → force NARROW → AUTO. The initial condition is AUTO and the displays below will appear.

•AUTO : FM1_98.1A

•Forced WIDE : FM1_98.1W

•Forced MIDDLE : FM1_98.1M

•Forced NARROW : FM1_98.1N

● CD receiver test mode specifications

•In the display mode, the initial setting is P-TIME.

•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 one track.

•When playing MP3 / WMA / AAC disks, the file format is displayed immediately before playing each file.

(“MP3”, “WMA”, “AAC”)

•When a CD is used as a source, by short-pressing [1] key, a jump to the Track No.28 is made.

•When a CD is used as a source, by short-pressing [2] key, a jump to the Track No.14 is made.

•When a CD is used as a source, by short-pressing [3] key, a display of CD mechanism model name and its version is made. When the short-pressing of [3] key is made for the second time, the normal display is resumed. (Time code display)

	Display	6 8 0 0	: 0 1	2 3
	contents
	Model Name			Version

•When a CD is used as a source, by short-pressing [6] key, a jump to the Track No.15 is made. At the same time, the volume value is set to 25 (2V PRE) and 27 (4V PRE).

● Audio Adjust mode

•By short-pressing [AUD] key, the Audio Adjust mode is entered.

•As with the [AUD] key, [*] key on the remote controller can be used to enter the Audio Adjust mode.

•As for the adjustment items, items for both the AUDIO FUNCTION MODE and SETUP MODE are included.

•The first item is the Fader which is followed by : Balance →

Bass Level → Middle Level → Treble Level → ( Sub Woofer Level ) → HPF Front → HPF Rear → LPF Sub Woofer. (Af-

12