KENWOOD KDC-MP2028_MP228_MP3029_MP4029_MP4029G.pdf
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Pobierz
CD RECEIVER
KDC-MP2028
KDC-MP228
KDC-MP3029
KDC-MP4029/G
SERVICE MANUAL
© 2004-12 PRINTED IN JAPAN
B53-0229-00
(
N
)
1033
PANEL ASSY
KDC-MP2028 (A64-3442-02)
PANEL ASSY
KDC-MP228 (A64-3443-02)
External Media Control
External Media Control
VOL
AUD
VOL
AUD
/C.S.
/C.S.
SET UP
MENU
SET UP
FF
SCAN
RDM
REP
F.SEL
M.RDM
FF
SCAN
RDM
REP
F.SEL
M.RDM
MENU
PANEL ASSY
KDC-MP4029 (A64-3447-02)
KDC-MP4029G (A64-3464-02)
PANEL ASSY
KDC-MP3029 (A64-3465-02)
External Media Control
VOL
AUD
VO
L
AUD
SET UP
SET UP
DISP
DISP
SCAN
RDM
REP
F.SEL
MENU
FF
SCAN
RDM
REP
F.SEL
M.RDM
MENU
FF
* REMOTE CONTROLLER ASSY (RC-517)
(A70-2069-05)
MOUNTING HARDWARE ASSY
(J21-9716-03)
PLASTIC CABINET ASSY
(A02-2736-03)
BATTERY
(Not supplied)
DC CORD
(E30-6415-15)
SCREW (4x16)
(N84-4016-48)
* ESCUTCHEON
(B07-xxxx-xx)
LEVER
(D10-4589-04) x2
SCREW SET
(N99-1757-05)
SPARE TDF PANEL
MAIN UNIT NAME
TDF PARTS No.
TDF NAME
KDC-MP2028
Y33-2120-63
TDF-MP52DB
KDC-MP228
Y33-2120-64
TDF-MP52D
KDC-MP3029
Y33-2130-62
TDF-MP3029
KDC-MP4029
Y33-2130-60
TDF-MP4029
* Depends on the model. Refer to the parts list.
KDC-MP4029G
Y33-2130-61
TDF-MP4029G
This product uses Lead Free solder.
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
BLOCK DIAGRAM
ELECTRIC UNIT (X34-)
L506
J4
FM AGC
ANT
AM+B
Q501
Q351,352
J6
AM AGC
PRE MUTE
PRE OUT
IC10
IC4
FM (J/K Type)
: 1800mV
1372mV
600mV
855mV
3600mV
3600mV
FM (E Type)
:
AM (J/K Type)
AM (E Type)
:
MPX OUT
SERVO
A8V
BU5V
:
CD or MD
MECHA
CD/MD RECEIVER
:
MPX IN
POWER IC
CHANGER
:
800mV
1200mV
E-VOL
IC6
AUDIO OUT
&
MUTE LOGIC
TUNER
J1
A8V
SP OUT
IC11
E2PROM
BU5V
Q51
IC8
J2
SURGE DET
RST IC
IC1
Q52
IC7
CHANGER
BU DET
BACK-UP
RDS
DECODER
Q53
AUDIO OUT
ACC DET
ACC
SYSTEM u-COM
TEL MUTE
P-ANT
P-CON
BACK-UP
IC3
Q151
POWER SUPPLY IC
PAN5V
BU5V
SWITCH UNIT (X16-)
PA N 5
PAN5V
P-CON
Q72,73
SERVO
ED1
P-ANT
IC1
IC3
Q155
SERVO
SW5V
AM+B
A8V
SW5V
AM+B
AUDIO+B
VCC
VFD
REMOTE
DSI
IC15
VFD DRIVER
VFD REG
with
BU5V
S11
KEY MATRIX
BU5V
.......
ILLUMI
.......
VOL
CD PLAYER UNIT (X32-5500-00)
CN1
DOUT
24
23
OPEN
IC1
IC3
MP3/WMA
DECODER
S2
Q1,4
LEVEL
SHIFT
4
12EJE
8
DPU1
S1
(OPTICAL PICKUP)
22
21
LOS
MECHANISM
CONTROL
IC8
CLK
BUFFER
LD
MICROPROCESSOR
DATA
20
IC9
DAC 3.3V
AVR
Q9,10
SW
CN2
A8V
A3.3V
A8V
L
AGND
19
18
17
16
PD
1
R
Q3,5,6
IC2
BU3.3V
E
MUTER
MUTEL
15
14
13
12
3
LEVEL
SHIFT
MRST
RF AMP/SERVO
CD SIGNAL
A
B
5
16
MSTOP
C
PROCESSOR
3
F
Q7
IC6
IC7
X1
Q8
APC
LEVEL SHIFT
BU 3.3V
DAC 3.3V
AVR
S3
16.898MHz
AVR
TR COIL
LOE/LIM
10
BU5V
BU5
9
7
6
FO COIL
4
DGND
IC5
DGND
SW3.3V
D5V
SW 3.3V
AVR
D5
DM1
SPINDLE
MOTOR
D5
5
4
3
2
PON
M
IC4
FCS
LO/EJ
4
TRK
2
MOTOR
4ch BTL
DRIVER
DM2
SPD
LOADING
MOTOR
S7V
4
SLD
& SLED
S7V
M
SGND
1
2
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
COMPONENTS DESCRIPTION
ELECTRIC UNIT (X34-3400-xx)
Ref. No.
Application / Function
Operation / Condition
IC1
SYSTEM
µ
-COM
System control.
IC3
POWER SUPPLY
DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output.
IC4
POWER IC
Audio signal amplifier.
IC6
MUTE LOGIC
Mute control.
IC7
RDS DECODER
For other models.
IC8
RESET
“L” when detection voltage goes below 3.6V.
IC10
E-VOL & TUNER
E-VOL, Tuner, Stereo decode.
IC11
E2PROM
Saves and writes tuner adjustment data.
IC15
VFD REGULATOR
11.3V output voltage for LED and VFD.
Q51
SERGE DET
“ON” when the base goes “H”.
Q52
BU DET
“ON” when the base goes “H”.
Q53
ACC DET
“ON” when the base goes “H”.
Q71
SERVO+B CONTROL SW
“ON” when the base goes “H”.
Q72,73
SERVO+B AVR
Output voltage level : 7.5V.
Q74
IC3 CONTROL SW
“ON” when the base goes “H” (Output voltage : 10.3V).
Q151
PANEL 5V SW
“ON” when the base goes “L”.
Q155
DSI ILLUMI SW
“ON” when the base goes “L”.
Q252
IC4 STBY SW
“ON” when the base goes “L”.
Q330
Q351, 352 MUTE DRIVER
“ON” when the base goes “L”.
Q351
Lch PRE MUTE SW
Pre-output is muted when the base goes “H”.
Q352
Rch PRE MUTE SW
Pre-output is muted when the base goes “H”.
Q501
AM RF AMP
Adjusts for AM-RF gain.
CD PLAYER UNIT (X32-5500-00)
Ref. No.
Application / Function
Operation / Condition
Focusing, tracking, sled and spindle servo processing.
MECHANISM CONTROL
Automatic adjustment (Focusing, tracking, gain, offset and balance) operations.
IC1
MICROPROCESSOR
Digital signal processing (DSP, PLL, sub-codes, CIRC error correction, audio data
interpolation) operations, and microcomputer function.
Generation of RF signal based on the signals from the APC circuit and pickup, and
RF AMP/SERVO CD
generation of servo error (Focusing error and tracking error) signals.
IC2
SIGNAL PROCESSOR
Detection of dropout, anti-shock, track crossing and off-track conditions, included
gain control function during CD-RW.
IC3
MP3/WMA DECODER
Focusing coil, tracking coil, spindle motor and sled motor driver, disc loading and
IC4
4ch BTL DRIVER
eject operation.
IC5
SW 3.3V AVR
IC6
BU 3.3V AVR
3.3V power supply for back-up.
IC7
BU 2.5V AVR
2.5V power supply for back-up.
3
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
COMPONENTS DESCRIPTION
Ref. No.
Application / Function
Operation / Condition
IC8
SELECTOR (SERIAL DATA)
Serial audio data switch.
IC9
DAC 3.3V AVR
3.3V power supply for IC2.
Q1
LEVEL SHIFT
3.3V to 5.0V.
Q3~7
LEVEL SHIFT
3.3V to 5.0V.
Q8
AUTOMATIC POWER CONTROL
LD driver.
Q9,10
SWITCH
Switch for anticipation sub-beam delay.
SWITCH UNIT (X16-2930-xx)
Ref. No.
Application / Function
Operation / Condition
IC1
VFD DRIVER
IC3
REMOTE SENSOR
Q1
GREEN LED SW
“ON” when the base goes “H”.
Q2
RED LED SW
“ON” when the base goes “H”.
Q21
PAN SW5V
“ON” when the base goes “H”.
DAUGHTER UNIT (X89-2690-10)
Ref. No.
Application / Function
Operation / Condition
Q221,222
2-PREOUT MUTE
“ON” when the base goes “H”.
Q225
2-PREOUT MUTE
“ON” when the base goes “H”.
4
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
MICROCOMPUTER’S TERMINAL DESCRIPTION
SYSTEM
µ
-COM : IC1 on X34- (ELECTRIC UNIT)
Active
Pin No.
Pin Name
I/O
Application
Processing Operation
(H/L)
1
DC ERR
I
DC offset detection input
2
LINE MUTE
I
Phone detection
NAVI MUTE : Over 2.5V, TEL MUTE : Below 1V
3
ROTARY CW
I
Rotary encoder input
4
AVSS
-
5
TUN TYPE1
I
E-VOL setting switch
Refer to “TUN TYPE” on the TRUTH TABLE
6
TUN TYPE2
I
E-VOL setting switch
Refer to “TUN TYPE” on the TRUTH TABLE
7
AVREF1
-
8
VFD DATAF
I
Data input from VFD driver
9
VFD DATAS
O
Data output to VFD driver
10
VFD CLK
O
Clock output to VFD driver
Display OFF, Key reset, TDF panel OFF : L
11
L
VFD RST
O
Reset output to VFD driver
Display ON, Key scan : H
12
VFD CE
O
Chip enable output to VFD driver
13
ROTARY CCW
I
Rotary encoder input
14
L
TDF DET
I
TDF panel detection
TDF panel OFF : H, TDF panel ON : L
15
PWIC BEEP
O
Beep output
16
LX DATA S
I
Data from slave unit
17
LX DATA M
O
Data to slave unit
18
LX CLK
I/O
LX-BUS clock
19
NC
-
Adjustment=H, PS1-1,2=L, PS1-3=Hi-Z,
20
L
TUN ADJ
I
For adjusting IC10
PS2-1,2=Hi-Z, TUN DATA, CLK=Hi-Z
21
TUN SD
I
Tuner search stop output
H : Station exists, L : Station does not exist
22
H
LX RST
O
Hard reset to slave unit
H : Reset, L : Normal condition
23
H
LX CON
O
Start-up request to slave unit
H : Slave unit ON, L : Slave unit OFF
24
LX REQ M
O
Communication request to slave unit
25
AUD SDA
I/O
Volume + tuner I2C data input and output
26
AUD SCL
I/O
Volume + tuner I2C clock input and output
27
H
PWIC STBY
O
Power IC standby output
Power IC ON : H, Power IC OFF : L
28
H
VOL MUTE
O
E-VOL mute output
L : Mute OFF, Hi-Z : Mute ON
29
L
PWIC MUTE
O
Power IC mute output
Power OFF : L, Standby : L, Tel mute : L
30
TUN FANC OUT
O
Tuner block (inside the
µ
-com) check
OK : L, NG : H
31
RESET2
O
Mute for reset
Output L
32
NC
-
33
VSS1
-
34
NC
-
35
L
ACC DET
I
ACC detection
ACC exists : L, ACC does not exist : H
5
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