KENWOOD KDC-MP4028, KDC-MP428, KDC-MP6029 Service Manual
CD RECEIVER
KDC-MP4028
KDC-MP428
KDC-MP6029
SERVICE MANUAL
© 2005-2 PRINTED IN JAPAN
B53-0245-00 (N) 764
PANEL ASSY
KDC-MP4028 (A64-3481-02)
ATT
VOLVOL
AUDAUD
SETSETUPUP
MENUMENU
FFFF
PANEL ASSY
KDC-MP6029 (A64-3482-02)
ATT
P
R
E
O
U
VOLVOL
AUDAUD
SETSETUPUP
T
MENUMENU
FFFF
MOUNTING HARDWARE ASSY
(J22-0011-03)
KDC-
SCAN RDM REP M.RDMF.SEL
KDC-
SCAN RDM REP M.RDMF.SEL
SCRL
AUTO
MP4028
C.S.
DISPDISP
AME
SWSW
SPARE TDF PANEL
SCRL
AUTO
MP6029
DISPDISP
AME
SWSW
PLASTIC CABINET ASSY
(A02-2743-03)
PANEL ASSY
KDC-MP428 (A64-3483-02)
MP428
SCRL
C.S.
DISPDISP
ATT
VOLVOL
AUDAUD
SETSETUPUP
MENUMENU
FFFF
SCAN RDM REP M.RDMF.SEL
KDC-
MAIN UNIT NAME TDF PARTS No. TDF NAME
KDC-MP4028 Y33-2150-60 TDF-MP54DB
KDC-MP428 Y33-2150-63 TDF-MP54D
KDC-MP6029 Y33-2150-61 TDF-MP6029
REMOTE CONTROLLER ASSY (RC-517)
(A70-2069-05)
AUTO
AME
SWSW
DC CORD
(E30-6414-05)
* ESCUTCHEON
(B07-xxxx-xx)
* Depends on the model. Refer to the parts list.
LEVER
(D10-4589-04) x2
SCREW SET
(N99-1757-05)
MOUNTING HARDWARE (L)
(J22-0258-04)
BATTERY
(Not supplied)
SCREW SET
(N99-1763-05)
MOUNTING HARDWARE (R)
(J22-0259-04)
This product uses Lead Free solder.
KDC-MP4028/MP428/MP6029
BLOCK DIAGRAM
(X34- )
BU5V
OPEL DISP
MARINE DISP
LAND ONLY
TUN8V
SW5
AM+B
A1
FRONT-END
W1
A8V
PRE+B
PREF
SERVO+B
IC2
E-VOL
J2
MUTE
MUTE DC-DET
38
IC1
LX-BUS
713
3
BU
SYSTEM u-COM
12
IC7
BU5
FLIP
DET
(X16- )
RESET
BU5
CN
5
PAN5V
BU5
FLIP DET
RESET
IC2
REMOTE
SW5
S1
ROTAR Y
ENCODER
SW5
Q4
SW5V
PAN5
IC1
VFD DRIVER
A8V
1
Q304Q13
EJECT & DSI
ILLUMI
ILL+B
9
DME1
COLOR
SELECT
CD MECHA
1
Q10,11
D5V
2
10
BU5
D5V(FL+B)
KEY
ILLUMI
S4
EJECT
SW
ED1
2
9
KEY
MATRIX
BU5
1
1
BU5
BU
IC4
PW-IC SP-OUT
3
1
Q402-405
MUTE
IC6
MUTE
LOGIC
BU5
DC-CN etc
PHONE
DIMMER/ACC DET
BU DET/ANT CON
P CON/PON
PON CD/PON ILL
VFD
Q111
BU DET
Q114
RST
SERVO+B
J1
FRONT L/R
REAR L/R
J3
PRE-OUT
FRONT/REAR
SW5
P ON
BU5
D5
PREF
A8V
AM+B
AM+B
TUN8V
SW5
ILL+B
PON ILL
PRE+B
Q3,11
IC11
For 4VPRE
1/2VCC
Q300,301
Q302,303
Q305,306
SW5V
AM+B
TUNER
8V
SW
ILL+B
PHONE
DIMMER
ACC DET
BU DET
ANT CON
P CON
Q108
DIMMER
Q112
ACC-DET
Q109,110
SURGEDET
Q111
BU-DET
Q101,102
ANT-CON
Q103,106
PCON-SW
Q1,2
IC12
IC3
Q7,8
Q4,9
IC5
Q15,16
PHONE
BU5V
CD5V
A8V
CD
SERVO
SW14V
ILLUMI
+B
4V
PRE+B
BU5
BU5
BU5
PON CD
P ON
P ON
P ON
J1
DC-CN
PHONE
ILLUMI
ACC
B.U.
P-ANT
P-CON
PICKUP
ACB
EF
FO COIL
TR COIL
SPINDLE
MOTOR
LOADING &
SLED
MOTOR
CD PLAYER UNIT (X32-5740)
IC7
RF AMP
+
SERVO
PROCESSOR
+
MP3 DECODER
APC
IC3
MOTOR
DRIVER
S.GND
+
WMA DECODER
+
AAC DECODER
+
1Mbit SRAM
VREF
CLOCK
16.934MHz
D.GND
DMUTE
IC4
MICRO
PROCESSOR
P-ON2
P-ON1
CLOCK
16.00MHz
IC1
A3.3V REG
D.GND
IC6
IC2
IC5
BU3.3V REG
D3.3V REG
D.GND
D.GND
SW
LPF
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
S3
LOE/LIM-SW
S4
8EJE-SW
S2
12EJE-SW
S1
LOS-SW
S.GND
S7.5V
LO/EJ
MOTOR
2
KDC-MP4028/MP428/MP6029
COMPONENTS DESCRIPTION
● ELECTRIC UNIT (X34-338x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 SYSTEM µ-COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone.
IC2 E-VOL Controls the source, volume, tone.
IC3 A8V REF POWER SUPPLY Outputs 1.27V.
IC4 POWER IC Amplifies the front L/R and the rear L/R.
IC5 ILL+B POWER SUPPLY Outputs 1.225V.
IC6 MUTE LOGIC Controls logic for muting.
IC7 RESET IC “L” when detection voltage goes below 3.6V.
IC11
IC12 SW REGULATOR Power supply for FL+B and CD mecha D5V.
IC902 SVR/3.3V SUPPLY Outputs SVR voltage and 3.3V.
Q1,2 B.U. 5V AVR While BU is applied, BU5V AVR is output.
Q3,11 SW5V When Q11’s base goes “H”, SW5V is output.
Q4,9 SW14V When Q9’s base goes “H”, SW14V is output.
Q5,6 AUDIO 8V AVR When Q6’s 2nd pin goes “H”, A8V AVR outputs 8.0V.
Q7,8 SERVO+B AVR When Q8’s base goes “H”, AVR 7.5V is output.
Q12 IC12 SW When Q12’s base goes “L”, IC12 turns on.
Q13 PANEL 5V When Q13’s base goes “L”, PANEL 5V is output.
Q14
Q15,16 4V PRE+B When Q15’s base goes “H”, 12V is output.
Q101,102 P-ANT SW When Q102’s base goes “H”, P-ANT SW 14V is output.
Q103,106 P-CON SW When Q106’s base goes “H”, AVR 14V is output.
Q104,105 P-CON PROTECTION
Q108 SMALL LAMP DET SW When Q108’s base goes “H”, Q108 turns on.
Q109,110 SERGE DET When Q109’s base goes “H”, IC4 state is changed into standby.
Q111 B.U. DET When Q111’s base goes “H”, Q111 turns on.
Q112 ACC DET When Q112’s base goes “H”, Q112 turns on.
Q113 MUTE DRIVER When the base goes “L”, preout mute driver turns on.
Q114 MUTE DRIVER When reset functions, Q114 turns on.
Q115,116 PREOUT MUTE DRIVER When the base goes “L”, preout mute driver turns on.
Q299 TUNER 8V SW When Q299’s 2nd pin goes “H”, tuner 8V is output.
Q300,301 AM+B When Q301’s base goes “H”, AM+B is output.
Q302,303 TUNER 8V When Q303’s base goes “H”, tuner 8V is output.
Q304 DSI DRIVER
Q305,306 SW ILL+B When Q306’s base goes “H”, SW ILL+B 11V is output.
Q400~405 PREOUT MUTE SW When the base goes “H”, preout is muted.
Q905~907 SVR+B SVR voltage is supplied from the outside.
4V PREOUT POWER SUPPLY
4V PRE+B If Q15’s emitter shorts GND, Q14’s emitter level goes GND, after that Q14’s B-E level goes
(SHORT PROTECTION) over 0.6V, Q14 turns on, and Q15 turns off.
Outputs reference voltage for 4V preout.
When P-CON output voltage fallen is detected, protection functions.
Protects Q103 malfunction when P-CON SW turns on.
DSI lights when the base is “H”. DSI turns off when the base is “L”.
DSI turns on and off when panel is taken off.
3
KDC-MP4028/MP428/MP6029
COMPONENTS DESCRIPTION
● SWITCH UNIT (X16-291x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 VFD DRIVER
IC2 REMOTE CONTROL
Q4 SW 5V The power supply of IC2 turns on when Q4’s base goes “L”.
Q10 RED LED SW RED LED turns on when Q10’s base goes “H”.
Q11 GREEN LED SW GREEN LED turns on when Q11’s base goes “H”.
● CD PLAYER UNIT (X32-5740-00)
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 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
4
KDC-MP4028/MP428/MP6029
MICROCOMPUTER’S TERMINAL DESCRIPTION
● SYSTEM µ-COM : IC1 on X34- (ELECTRIC UNIT)
Pin No. Pin Name I/O Application Processing Operation
1 REMO I Remote control signal Detects puls width
2 LX MUTE I Mute request from slave unit H : MUTE ON, L : MUTE OFF
3AUD SDA I/O E-VOL data
4AUD SEL O E-VOL control
5AUD SCL O E-VOL clock output
6 BYTE - GND
7 CNVSS 8 XCIN I Oscillator terminal 32.768kHz
9 XCOUT - Oscillator terminal
10 RESET I Reset detection
11 XOUT - Oscillator terminal
12 VSS 13 XIN I Oscillator terminal 12.0MHz
14 VCC1 15 NMI I
16 CN DET I Panel communication detection H : Panel off, L : Panel on
17 NC 18 LX REQ S I Communication request from slave unit
19 PON AM I/O AM power supply control AM is received : H, AM is not received : Hi-z
20 LX REQ M O Communication request to slave unit
21 TUN IFC OUT I Front-end IFC output H : Station exists, L : Station does not exsist
22 RDS AFS L I/O Function for models of European Market
23 RDS AFS M I/O Function for models of European Market
24,25 NC 26 PWIC BEEP O Beep
27 TUN SCL I/O Front-end I2C clock MAX 400kHz
28 TUN SDA I/O Front-end I2C data
29 VFD SYS DATA O VFD data
30 VFD PAN DATA I VFD data
31 VFD CL O VFD clock 125kHz
32 VFD INH O VFD data blanking H : VFD turns on, L : VFD turns off
33 SDA I/O CD mecha I2C data
34 SCL I/O CD mecha I2C clock
35 PON PANEL I/O Panel 5V control
36 DSI I/O DSI / Eject LED control
37,38 NC 39 EPM I To VSS via a resister
40 PANEL DET I Panel detection L : Panel off, H : Panel on
ON : L
Momentary power down, panel off, 11 munits after ACC OFF : Hi-Z
OFF : Hi-z, Panel off : Puls drives, Illumination on and power on : H
5
KDC-MP4028/MP428/MP6029
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Application Processing Operation
41 NC 42 ROMCOR DET I To VSS via a resister
43 NC 44 VFD CE O VFD control request
45 ROTARY CW I VOL key Detects puls width
46 ROTARY CCW I VOL key Detects puls width
47
48 CD LOS SW I CD loading detection
49 CD MUTE R I Rch CD source mute request L : Rch mute request, H : Other condition
50 CD MUTE L I Lch CD source mute request L : Lch mute request, H : Other condition
51 CD MRST O CD mecha µ-com reset L : Reset, H : Other condition
52 CD MSTOP O CD mecha µ-com stop H : Mecha µ-com functions, L : Mecha µ-com stops
53 CD DISC8 SW I 8cm disc detection
54
55 CD LOEJ I/O CD motor control
56 CD MOTOR O CD motor control
57 PON ILLUMI I/O Key illumination power supply ON : H, OFF : Hi-Z
58
59 PON O Power supply control POWER ON : H, POWER OFF : L
60 VCC2 61 NC 62 VSS 63~65 TYPE 1~3 I Destination switch
66,67 TUN TYPE1,2 I Destination setting
68
69
70 OEM DISP CE I/O External display chip enable External display
71 EJECT I Eject key L : Eject
72 P CON O External amp control POWER ON : H, POWER OFF and STBY : L
73 KEY REQ I Communication request from VFD driver
74 ANT CON O Power antenna control TUNER ON : H
75 ILLUMI DET I Dimmer illumination detection L : ON, H : OFF
76 BU DET I Momentary power down detection BU exists : L, Momentary power down or no BU : H
77 ACC DET I ACC detection ACC exists : L, ACC does not exist : H
78 (PWIC SVR) O SVR discharge circuit
79 PWIC MUTE O Power IC mute Standby source or momentary power down : H, Tel mute : L
80 PWIC STBY O Power IC standby control POWER ON : H, POWER OFF : L
81 LX CON O Start-up request to slave unit H : Slave unit ON, L : Slave unit OFF
CD DISC12 SW
CD LOE LIM SW
PON PANEL CD
OEM DISP DATA
OEM DISP CLK
I 12cm disc detection
I CD detection (Chucking switch) H : Loadind ends, L : No disc
Refer to “CD MECHA CONTROL OPERATION” on the TRUTH TABLE
Refer to “CD MECHA CONTROL OPERATION” on the TRUTH TABLE
O
Panel 5V and CD/WMA power supply control
I/O External display data External display
I/O External display clock External display
POWER ON : L, POWER OFF : H
Becomes “L” earlier than mecha stops when reset functions.
Becomes “H” in 5 seconds during POWER OFF momentary
power down, after that it becomes “L”.
6
KDC-MP4028/MP428/MP6029
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Application Processing Operation
82 MUTE PRE R O Rch preout mute
83 MUTE PRE L O Lch preout mute
84 MUTE 0 I/O E-VOL front mute L : MUTE ON, Hi-Z : MUTE OFF
85 MUTE 1 I/O E-VOL rear mute L : MUTE ON, Hi-Z : MUTE OFF
86 MUTE 2 I/O Mute except E-VOL front/rear L : MUTE ON, Hi-Z : MUTE OFF
87 LINE MUTE I Line mute detection TEL MUTE : Below 1V, NAVI MUTE : Below 1V or over 2.5V
88 NC 89 PWIC DC DET I DC offset detection
90 LX RST O Hard reset to slave unit H : Reset, L : Other condition
91 MUTE C I/O E-VOL mute L : MUTE ON, Hi-Z : MUTE OFF
92 NC 93 RDS NOISE I FM noise detection
94 AVSS 95 TUN SMETER I S-meter input
96 VREF 97 AVCC 98 LX DATA S I Data from slave unit
99 LX DATA M I/O Data from slave unit
100 LX CLK I/O LX-BUS clock
Becomes “H” when “CD MUTE R” is “L” or momentary power
down happens.
Becomes “H” when “CD MUTE L” is “L” or momentary power
down happens.
TRUTH T ABLE
CD MECHA CONTROL OPERATION
CD MECHA OPERATION CD MOTOR CD LOEJ
Stop L L
Load H L
Eject H H
Brake H Hi-z
● MECHANISM µ-COM : IC4 on 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
Processing Operation
Description
Remarks
7
KDC-MP4028/MP428/MP6029
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Application
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
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
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
8
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-MP4028/MP428/MP6029
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Application
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
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
9
KDC-MP4028/MP428/MP6029
TEST MODE
● How to enter the test mode
While simultaneously pressing “1” and “3” keys, press “RESET” button.
● How to release the test mode
Press “RESET” button. (The release cannot be achieved in
the conditions of POWER OFF and ACC OFF.)
● Initial conditions of the test mode
• The source is “STANDBY”.
• The displays all lit up.
• The volume is at –10dB (The display shows “30”).
• LOUD is “OFF”.
• CRSC is “OFF”.
• SYSTEM Q is “NATURAL”.
• BEEP is sounded at all time with the key depressed f or less
than 1 second.
• AUX is “ON”.
• SWPRE is “SW”.
●
Special displays when all indicator lights are lighted
When keys are pressed while all indicators for the STANDBY
sources are lighted, the following displays will appear.
“1” Version display
key (Display) Example : 416K -1.02
(416K : Development name, -1.02 : Version)
“2” Serial number display (8 digits)
key (Display) : x x x x x x x x
“3” • When pressed for less than 1 second
key : POWER ON time display
(Display) : PON x x x x x MAX 65,535 (hours)
* The display is cleared by pressing the key for more than
2 seconds.
“4” • When pressed for less than 1 second
key : CD operation time display
(Display) : CDT x x x x x MAX 65,535 (hours)
* The display is cleared by pressing the key for more than
2 seconds.
“5” • When pressed for less than 1 second
key : CD EJECT number display
(Display) : EJC x x x x x MAX 65,535 (times)
* The display is cleared by pressing the key for more than
2 seconds.
“6” • When pressed for less than 1 second
key : Panel open/close number display
(Display) : PC x x x x x x MAX 65,535 (times)
* The display is cleared by pressing the key for more than
2 seconds.
“
”• When pressed for less than 1 second
key : CD mechanism error log display
(Display) : I2C_OK_ _ → ERR_1-xx → ERR_2-xx →
ERR_3-xx → All lights light up
I2C_NG_ _ → ERR_1-xx → ERR_2-xx →
ERR_3-xx → All lights light up
(“ERR_1-xx” is the most recent error.)
Communication OK : I2C_OK_ _
Communication error : I2C_NG_ _
Communication error not detected
: ERR_n – – – (n : 1~3)
Communication error detected
: ERR_n-xx (n : 1~3 xx : Error code)
* The display is cleared by pressing the key for more than
2 seconds.
10
KDC-MP4028/MP428/MP6029
SPECIAL MODE
● Security
•
How to enter the forced POWER ON mode
While “– – – –” is being displayed, while simultaneously
pressing “Q” key and “4” key, press “RESET” button, With
this, it is possible to turn the power on for 30 minutes only.
•How to clear the programmable security code
(KDC-MP4028/MP428 only)
1. While “– – – –” is being displayed, press “ ” for 3 seconds
or more while pressing the “A UTO” key. This makes the “– –
– –” display disappear.
2. Input “KCAR”, using the remote controller.
Press “5” key of the remote controller twice (Input for “K”)
and press “
Press “2” k e y of the remote controller 3 times (Input for “C”)
and press “ ” key.
Press “2” key of the remote controller once (Input for “A”)
and press “ ” key.
Press “7” key of the remote controller twice (Input for “R”)
and press “ ” key.
3. The security is cleared and the unit enters ST ANDBY source
mode.
4. If wrong codes are input, “– – – –” will be displayed again.
” key.
•How to register the security code on the “Car
Audio P assport” sheet after replacing FRONT-END
UNIT (A1) (KDC-MP6029 only)
1. Enter the test mode. (Ref er to “How to enter the test mode”.)
2. In the test mode, press “MENU” key to enter the MENU
mode.
When “SECURITY” is displayed, press “
than 1 second) to enter the security registration mode.
3. Input the security code, using “FM” / “AM” / “ ” / “ ”
keys.
“FM” key : number up / “AM” key : number down
” key : cursor to right / “ ” key : cursor to left
“
4. After inputting the code, press “
more which causes “RE-ENTER” to be displayed. This is
for “confirming” the code. Use the method in above No. “3”
to re-enter the code.
5. Then, press “ ” key for 3 seconds or more, which will display “APPR OVED”. This completes the security code registration.
6. Release the test mode. (Refer to “How to release the test
mode”.)
* All clear cannot be used to clear the security code.
” key for 3 seconds or
” key (for less
● Clearing CD mechanism error log information
1. While pressing “Q” key and “ATT” key simultaneously, press
“RESET” button to initialize the log information.
2. When the initialization is finished, the follo wing displa ys will
be made.
Normal completion : CD_O_ _ _
Abnormal completion : CD_X_ _ _
3. Release Method: Press “RESET” button. (The last screen
will not be maintained.)
● Clearing DC offset error detection information
1. While pressing “3” and “6” keys simultaneously, press “RESET” button to enter the error display mode.
2. In the display, when “STANDBY” is sourced, the current error condition is displayed.
When detected : DC_ERR_ _
When not detected : DC_OK_ _ _
3. When “TI” key is pressed for less than 1 second during error display, the detection information is cleared.
4. Release Method : Press “RESET” button. (The last screen
will not be maintained.)
● FM/AM channel space switching
When in the conditions of ACC ON and POWER OFF, while
depressing “1” key and “5” key simultaneously, press “SRC”
key.
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