KENWOOD KDC-CMP21V Service Manual

Cover page of KENWOOD KDC-CMP21V Service Manual

Service Manual for KENWOOD KDC-CMP21V, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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© 2004-3 PRINTED IN JAPAN
B53-0163-00 (N) 428
CD AUTO CHANGER PLAYER
KDC-CMP21V
SERVICE MANUAL
Holder assy
(J19-5146-02)
Tray
(J99-0614-01)
Cord with plug
(E30-4291-05)
(E30-4711-05)
(E30-6358-05)
When transporting this model, always attach CAUTION CARD and STEPPED SCREW (for transportation).
The MECHANISM OPERATION is the same as model KDC-C660.
Please refer to the service manual of model KDC-C660 (B51-7105-00).
Service jig
W05-0635-00
Parts No.
For initial position setting
Bracket (R)
(J19-5019-03)
Bracket (L)
(J19-5018-03)
Screw set
(N99-1645-15)
Cord with pinjack
(E30-6351-05)
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© 2004-3 PRINTED IN JAPAN
B53-0163-00 (N) 428
CD AUTO CHANGER PLAYER
KDC-CMP21V
SERVICE MANUAL
Holder assy
(J19-5146-02)
Tray
(J99-0614-01)
Cord with plug
(E30-4291-05)
(E30-4711-05)
(E30-6358-05)
When transporting this model, always attach CAUTION CARD and STEPPED SCREW (for transportation).
The MECHANISM OPERATION is the same as model KDC-C660.
Please refer to the service manual of model KDC-C660 (B51-7105-00).
Service jig
W05-0635-00
Parts No.
For initial position setting
Bracket (R)
(J19-5019-03)
Bracket (L)
(J19-5018-03)
Screw set
(N99-1645-15)
Cord with pinjack
(E30-6351-05)
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KDC-CMP2
1V
2
BLOCK
DIA
GRAM
BU14V
5V AVR
BU5V
BU3.3V
BU2.5V
SW
5V AVR
D5V (SW)
8V AVR
SW
5V REG (A)
SRV8V
BU
DETECT
A5V
NJM2880U33
SW3.3V
TR
SW5V
UPC2926T
SW2.6V
SHIFT
LEVEL
CONTROL IC
MICROPROCESSOR
AUDIO DAC
HD74LV157AT-E
AUDIO MUTE
LIM SW
LIM SW
SW
RESET
EEP-ROM
L.P.S
ARM SW
EJ SW
MG SW
N/PAL SW
SERVO,DSP
DECODER
MP3/WMA
VCD
DECODER
VIDEO AMP
DRAM
FLASH ROM
DC MOTOR
DRIVER
BTL
TR COIL
SLED
FO COIL
ELEVATOR
LO-EJ
SPINDLE/
C
B
A
E
F
PD
HOT
IC4
IC15
CQ RF,
MECHANISM
AUDIO
OUT
VIDEO
OUT
IC5
IC8
IC9
IC7
IC11
IC12
IC15
SYSTEM
IC1
IC2
Q90,91
IC14
NJM2890
M1
M2
M3
CHCLK
REQH
REQC
DATAH
DATAC
CHCON
CHRST
CHMUTE
N/PAL
PON
PON
PON
D5V (SW)
16MHz
PON
BU3.3V
BU5V
A5V
A or B
PON
PON
BU3.3V
D
ATA
S
E
L
12.5MHz
BU5V
GND
16.934MHz
SW3.3V
BU3.3V
BU2.5V
AB
SW5V
SW2.6V
75
470u
SW5V
27MHz
XTAL
SRV8V
10
C16M
BCLK,DATA,LRCK
CD PLAYER UNIT (X32-5650-00)
(X13- )
PICKUP ASSY
MECHANISM ASSY (X92-4950-00)
DPU1
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KDC-CMP21V
3
CD PLAYER UNIT (X32-5650-00)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
Reset IC
System microprocessor reset control IC
IC2
System microprocessor
Communication to head unit and control for mechanism control IC
IC3
EEPROM
LPS data backup memory (for MD position)
IC4
Mechanism control IC
Control for Mechanism assy, servo IC and MP3/WMA decoder
IC5
Video amp
Video amp for composite video signal
IC6
AVR
2.6V (for IC7 VCC)
IC7
Video decoder
Video CD decoder IC
IC8
DRAM
For playback video data
IC9
Flash ROM
Program memory for VCD decode
IC10
Selector
Select for VCD line or MP3/WMA data line
IC11
Decoder
MP3/WMA decoder IC
IC12
CD servo IC
RF amplifier built in digital servo and data processor IC
IC13
AVR
5.0V (for audio and IC14 VDD)
IC14
Audio DAC
Audio DA converter
IC15
Motor driver
Focusing coil, tracking coil, spindle motor and sled motor driver
IC16
AVR
5.0V (for IC7 VDD)
IC17
AVR
3.3V, 2.5V (for BU), IC4, IC11 VDD
IC18
AVR
3.3v (for IC12 VDD)
Q1,2
SW
AVR 8V control SW
Q3,6
SW
AVR 6.2V control SW
Q5
Driver
AVR 5V driver
Q7
SW
Select for 8V and 7V voltage
Q8
Driver
AVR 6.2V driver
Q11
Driver
AVR 8V driver
Q12
BU det
Backup line voltage detector
Q20
Parking det
Parking SW detector
Q21
Reset SW
Reset control SW (for system microprocessor)
Q22
SW
Changer muting control
Q23
SW
Changer control SW
Q24
SW
AVR 5V control SW
Q25,26
Level shift
Voltage level shift (5.0V
3.3V, 3.3V5.0V)
Q27,28
Audio muting SW
Q27 (for Lch), Q28 (for Rch)
Q40
SW
System reset for IC4
Q52
SW
System reset for IC7
Q70
Selector SW
Selector IC control SW
Q71
VC SW
Control for Q73
Q72
LD SW
Control for APC
Q73
VC SW
Eccentric disc SW (for sub beam F)
Q90~93
Audio muting SW
Q90,93 (Rch), Q91,92 (Lch)
Q100
Vref selector
Select for internal Verf or external Vref
COMPONENTS DESCRIPTION
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KDC-CMP21V
4
SYSTEM MICROPROCESSOR : 784214AGC-204 (X32: IC2)
Pin No.
Pin Name
I/O
Description / Processing Operation
1
PON
O
Power control output terminal (L : AVR power ON)
2NCO
NC (open)
3/MSTOP
O
Mechanism stop signal output terminal (L : Mechanism stop, H : NORMAL)
4PARK SW
I
Parking SW detect input terminal (H : Monitor ON, L : Monitor OFF)
5
NTSC/PAL
I
NTSC/PAL select terminal (H : PAL, L : NTSC)
6
RST
O
Servo IC reset signal output terminal (L : Reset)
7
/MUTEIN L
I
Lch muting signal input terminal (L : Muting ON)
8
/MUTEIN R
I
Rch muting signal input terminal (L : Muting ON)
9
VDD
-
BU5V (for ADC)
10
X2
-
X'tal 12.5MHz
11
X1
-
X'tal 12.5MHz
12
VSS
-
GND
13,14
XT2,XT1
-
NC
15
/RESET
I
Reset signal input terminal (L : Reset)
16
NC
-
NC
17
MGSW
I
Magazine in SW input terminal (H : Magazine pack in)
18
EJSW
I
Eject SW input terminal (H : Eject SW ON)
19
COMMSW
I
Select for OLD or NEW 5L line system control
20
NC
-
NC
21
CH-CON
I
Changer control for Head unit (H : System ON)
22
BUDET
I
Backup line voltage detect input terminal (H : Momentary power down)
23
AVDD
-
VDD for A/D converter (BU5V)
24
AVREF0
I
Vref for A/D converter (Sys 5V)
25
HOT
I
Rise in temperature detect input terminal (Detect level : 4V (90
°C))
26
LPS
I
Mechanical deck position detect input terminal
27
LOESW
I
Loading in SW input terminal (L : Loading complete)
28
NC
-
NC
29
TOFF
I
Tracking OFF mode detect terminal (H : Tracking OFF)
30
SRVSEL
I
Servo active mode terminal (No mechanism movement, H : Servo active mode)
31
SLNSA
I
SLED non-sensitive area ON/OFF terminal (L : Seld non-sensitive ON)
32
ADJSEL
I
Servo automatic adjustment ON/OFF terminal (L : Servo adjustment ON)
33
AVSS
-
GND
34,35
NC
-
NC
36
AVREF1
I
Vref for A/D converter (BU 5V)
37~39
NC
-
NC
40
DATAH
I
Data input terminal (for Head unit)
41
DATAC
O
Data output terminal (for Changer unit)
42
HCLK
I/O
Communication clock (for Head unit)
43
REQC
O
Communication request to Head unit
44
CHMUTE
O
Audio muting signal to Head unit (L : Muting ON)
45
/MUTE L
O
Lch audio muting signal output terminal (L : Muting ON)
MICROCOMPUTER'S TERMINAL DESCRIPTION
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KDC-CMP21V
5
Pin No.
Pin Name
I/O
Description / Processing Operation
46
/MUTE R
O
Rch audio muting signal output terminal (L : Muting ON)
47~71
NC
-
NC
72
VSS
-
VSS
73~75
NC
-
NC
76
ELVADJ
I
Mechanism deck position adjustment mode select terminal (L : Adjustment mode)
77~80
NC
-
NC
81
VDD
-
VDD (BU 5V)
82
NC
-
NC
83
REQH
Communication request from Head unit
84
SP/LO+
O
Spindle/Loading motor control terminal
85
SP/LO-
O
Spindle/Loading motor control terminal
86
ELV+
O
Elevator motor control terminal
87
ELV-
O
Elevator motor control terminal
88,89
NC
-
NC
90,91
TEST1,TEST2
I
Test mode terminal
92
8V/7V
O
Mechanism driver IC control terminal
93
EEPWR
I
EEPROM writing mode control terminal (H : Writing, L : NORMAL)
94
TEST/VPP
I
Flash ROM program mode control terminal
95
DATA
I/O
Serial data communication to mechanism control IC
96
/CLK
I/O
Serial clock communication to mechanism control IC
97
SDA
I/O
EEPROM data I/O terminal
98
SCL
O
EEPROM clock output terminal
99
NC
-
NC
100
ARMSW
I
ARM SW detector (H : Arm SW ON)
MECHANISM CONTROL IC : 91CW12AFG-5DN4 (X32 : IC4)
Pin No.
Pin Name
I/O
Description / Processing Operation
1
VREFL
I
Reference V input terminal (for ADC)
2AVSS
-
GND (for ADC)
3AVCC
-
BU3.3V (for ADC)
4NCO
NC (open)
5
20RST
O
Reset control terminal (for decoder, L : RESET, H : NORMAL)
6
20ACK
I
Acknowledge signal input terminal (for decoder)
7
20STBY
O
Stand-by control terminal (for decoder, H : STAND BY, L : NORMAL)
8,9
NC
O
NC (open)
10
20INT
I
Interrupt signal input terminal (for decoder)
11
FOGUP
I
Focus gain interrupt input terminal (H : Fo gain UP, L : NORMAL)
12
LZM
I
0bit MUTE detect (Lch) (L : MUTE OFF, H : MUTE ON)
13
RZM
I
0bit MUTE detect (Rch) (L : MUTE OFF, H : MUTE ON)
14,15
NC
O
NC
16
20CS
O
Chip select signal output terminal (for decoder)
17
20LP
O
Latch pules signal output terminal (for decoder)
MICROCOMPUTER'S TERMINAL DESCRIPTION

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