KENWOOD KDC-C467Y Service Manual

Cover page of KENWOOD KDC-C467Y Service Manual

Service Manual for KENWOOD KDC-C467Y, downloadable as a PDF file.

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COMPACT DISC AUTO CHANGER
KDC-C667
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
TEXT
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
COMPACT DISC AUTO CHANGER
KDC-C467
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
COMPACT DISC AUTO CHANGER
KDC-C467FM
NEW ANTI VIBRATION MECHANISM
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
1BIT 4D/A CONVERTER
COMPACT
DIGITAL AUDIO
PWR
TRACK
DISC
RDM
REP
Illustration is
KDC-C467FM/FMA.
Illustration is
KDC-C667/Y.
HOLDER ASSY
(J19-5075-02)
BLIND PLATE
(F19-1303-04)
TRAY
(J99-0612-01)
CORD WITH PLUG
(E30-4291-05
or E30-4954-05)
BRACKET (R)
(J19-5021-03)
BRACKET (L)
(J19-5020-03)
Illustration is
KDC-C467/Y.
MOUNTING
HARDWARE
ASSY x 2
(J21-9584-04)
: M type only
ADHESIVE
TAPE x 2
(J69-0506-04)
: M type only
SCREW SET
(N99-1645-15)
: except M type
SCREW SET
(N99-1628-15)
: M type only
REMOTO
CONTROLLER ASSY
(A70-0896-05)
: KDC-C467FM/FMA (E)
BATTERY (SIZE:AAA)
Not supplied as
service parts
DISPLAY UNIT ASSY
(T95-0247-08)
: KDC-C467FM (K)
(T95-0244-08)
: KDC-C467FM (E)
(T95-0251-08)
: KDC-C467FMA (E)
CASE
(A01-2723-08)
: KDC-C467FM (K)
(A01-2695-08)
: KDC-C467FM/FMA (E)
HOLDER ASSY
(B07-2138-08)
: KDC-C467FM/FMA
ANTENNA
ADAPTOR
(T90-0512-05)
: KDC-C467FM/FMA (E)
ANTENNA
ADAPTOR
(T90-0521-05)
: KDC-C467FM/FMA (E)
MAGICTAPE ASSY
(W01-0763-08)
: KDC-C467FM/FMA
© 2001-1 PRINTED IN JAPAN
B51-7732-00 (N) 3394
CD AUTO CHANGER
KDC-C467/Y/FM/FMA
KDC-C667/Y
SERVICE MANUAL
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
Parts No.
For initial position setting
W05-0635-00
When transporting these models, always attach CAUTION CARD and STEPPED SCREW (for transportation).
background image
COMPACT DISC AUTO CHANGER
KDC-C667
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
TEXT
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
COMPACT DISC AUTO CHANGER
KDC-C467
NEW ANTI VIBRATION MECHANISM
DISC NAME PRESET
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
COMPACT DISC AUTO CHANGER
KDC-C467FM
NEW ANTI VIBRATION MECHANISM
6 DISC
COMPACT
DIGITAL AUDIO
CD-R/RW
1BIT 4D/A CONVERTER
COMPACT
DIGITAL AUDIO
PWR
TRACK
DISC
RDM
REP
Illustration is
KDC-C467FM/FMA.
Illustration is
KDC-C667/Y.
HOLDER ASSY
(J19-5075-02)
BLIND PLATE
(F19-1303-04)
TRAY
(J99-0612-01)
CORD WITH PLUG
(E30-4291-05
or E30-4954-05)
BRACKET (R)
(J19-5021-03)
BRACKET (L)
(J19-5020-03)
Illustration is
KDC-C467/Y.
MOUNTING
HARDWARE
ASSY x 2
(J21-9584-04)
: M type only
ADHESIVE
TAPE x 2
(J69-0506-04)
: M type only
SCREW SET
(N99-1645-15)
: except M type
SCREW SET
(N99-1628-15)
: M type only
REMOTO
CONTROLLER ASSY
(A70-0896-05)
: KDC-C467FM/FMA (E)
BATTERY (SIZE:AAA)
Not supplied as
service parts
DISPLAY UNIT ASSY
(T95-0247-08)
: KDC-C467FM (K)
(T95-0244-08)
: KDC-C467FM (E)
(T95-0251-08)
: KDC-C467FMA (E)
CASE
(A01-2723-08)
: KDC-C467FM (K)
(A01-2695-08)
: KDC-C467FM/FMA (E)
HOLDER ASSY
(B07-2138-08)
: KDC-C467FM/FMA
ANTENNA
ADAPTOR
(T90-0512-05)
: KDC-C467FM/FMA (E)
ANTENNA
ADAPTOR
(T90-0521-05)
: KDC-C467FM/FMA (E)
MAGICTAPE ASSY
(W01-0763-08)
: KDC-C467FM/FMA
© 2001-1 PRINTED IN JAPAN
B51-7732-00 (N) 3394
CD AUTO CHANGER
KDC-C467/Y/FM/FMA
KDC-C667/Y
SERVICE MANUAL
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
Parts No.
For initial position setting
W05-0635-00
When transporting these models, always attach CAUTION CARD and STEPPED SCREW (for transportation).
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KDC-C467/Y/FM/FMA,C667/Y
2
BLOCK DIAGRAM
SW5V
LIM SW
L.P.S.
EJ SW
ARM SW
12.5MHz
X2
SPINDLE/LO-EJ
SLED
LOE SW
TR COIL
FO COIL
BTL
EEPROM
&TEXT DECODER
APC
SA5V
Q1
S8V
SYSTEM u-COM
IC7
IC1
RF AMP&SARVO DSP
16.93MHz
X1
P-ON
Q10
Q15,16
Q20
BU. DET
IC8
7
13
4
5
8
2
IC5
MG SW
8V AVR
S8V
S-RAM
24
C
2
BU14V
CH RST
AUDIO
OUT
5
5VREG
IC4
DA5V
S8V
3
HOT
IC9
RESET
7V/9V
5V
Q21,22
M5V1
M5V2
SW5V
S3
S2
S1
SW5V
M
M
&DC MOTOR
DRIVER
ELEVATOR
M
AVR
SA5V
Q9
&D/A CONVERTER
&SCF
MUTE
0bit
Q6,7
MUTE
Q4,5,8
SD5V
F
E
A
D
B
PD
M5V2
AVR
CH-MUTE
CH-CON
5L I/F
IC11
COMM SW
S4
to
HEAD
UNIT
ASSY
(X13)
(X32)
(X13)
(X92)
PICKUP
CN101
DRIVER
RESET
Q101,201
ACC
BATT
GND
DETECTION
ACC
(+5V)
AVR
u-COM
IC2
IC1
CN103
Q1,6
Q4,5
VDD
HOLD
P ON
PLL
63
31
67
12-17
26
61
29,30,60
74,77
IC1
LCD DRIVER
LCD1
19-22,32,66
19-22,32,66
CN101
CN1
6-43
RL1
CN105
RADIO
To
CN104
ANT IN
Q310
MODE 1,2
CH-CONTROL
Q306,
RIPPLE
FILTER
307
MIX
PILOT
STAGE
RF
IC301
MODULATOR
FM-St.
Q304,305
LEVEL CONTROL
AUDIO MUTE
Q309
ALC
DETECTION
IC302
AMP
DRIVER
ALC
MPX
EMPHASIS
IC4
AVR(+5.6V)
MODE 1,2
Q308
CD-CH
13P
IC101
ISOLATION
AMP.
L.P.F.
2nd.
IC102
+V(AUDIO)
+V(RF STAGE)
SIGNAL
(L/R)
CN102
KEY MATRIX
2,50-56
VDD
IC2
REMOTE
SENSER
3
1
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KDC-C467/Y/FM/FMA,C667/Y
3
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
RF amplifier built in digital servo and data processor IC. Focusing, tracking,
sled and spindle servo processing. Detection of dropout, anti-shock, track
IC1
UPD63711AGC
Servo IC
crossing and off-track conditions.
Automatic adjustment(focusing, tracking, gain, offset and balance)
operations. Digital signal processing(DSP, PLL, sub-codes, CD-TEXT
decode, CIRC error correction, audio data interpolaration)operations.
IC4
KIA78L05F
+5V AVR
Analogue output circuit power supply for D/A converter
Focusing coil, tracking coil, spindle motor and sled motor driver.
VO1-VO4 and VOL outputs ON/OFF function.
While MUTE1 goes "Hi", VO1 outputs are turned on.
While MUTE2 goes "Hi", VO2-VO4 and VOL outputs are turned on.
IC5
LA6576
Motor driver
VIN1 amplifier function(input selection and VREF selection)
1. Input selection.
While VIN SW terminal goes "Lo", IC pin 15, 16 and 17 inputs are selected.
While VIN SW terminal goes "Hi", IC pin 15, 18 and 19 inputs are selected.
2. VREF selection.
While VIN SW terminal goes "Lo", internal VREF(2.5V typical) is selected.
While VIN SW terminal goes "Hi", external VREF(IC pin 30 input) is selected.
IC7
UPD784214GC091
Mechanism MI-COM. Mechanism and servo control
BR24C02F-W
or CAT24WC02JI
IC8
or M24C02WMN6T
EEPROM
LPS data back-up memory
or S-24C02BFJA
or 24LC02BT-ISN
IC9
S-80830ANNP
Reset IC
When BU 5V voltage is less than 3.0V, IC outputs "Lo".
IC11 LC3564BT-70
S RAM
CD-TEXT data memory
Q1
MCH6101
APC
Laser diode auto power control
Q4
DTA124EK
0 bit mute (L CH.)
When 0 bit mute is activated, an emitter goes "Hi", and Q4 outputs "Hi".
Q5
DTA124EUA
0 bit mute (R CH.)
When 0 bit mute is activated, an emitter goes "Hi", and Q5 outputs "Hi".
Q6
DTC343TK
Mute SW (L CH.)
When 0 bit mute or A mute drive is activated, a base goes "Hi", and L
channel audio signal is muted.
Q7
DTC343TK
Mute SW (R CH.)
When 0 bit mute or A mute drive is activated, a base goes "Hi", and R
channel audio signal is muted.
Q8
DTA124EK
A mute drive
When audio mute of IC7 is activated, a base goes "Lo", and audio mute
drive signal is outputted.
Q9
2SB1202
Servo 5V AVR
Q9 is combined with IC5's pin 26 and 27 , and works as a driver of AVR.
Q10
2SB1295
P-ON 5V SW
While base goes "Lo", P-ON 5V is supplied to the microprocessor peripheral circuits.
Q11
DTC124EK
Reset SW
When System Reset has activated, a base goes "Hi", and Q11 is turned on.
Q13
DTC124EUA
CH CON SW
While CH CON or CH-CON2 mode is selected, a base goes "Hi", and Q13 is turned on.
Q14
DTA143EUA
CH MUTE SW
When MUTE REQUEST to H/U is outputted, a base goes "Lo", and Q14 is turned on.
Q16
2SC4081
SRV 8V AVR
Q16 is combined with Q15(X92-), and works as a pre-driver of AVR.
Q17
DTA143EK
SRV 8V AVR SW
When Q18's base goes "Hi", Q17 is turned on, and SVR 8V AVR is working.
Q18
DTC124EUA
Q19
DTC124EUA
7/9V SW
When a base goes "Hi", Q19 is turned on, and SVR 8V AVR is outputting +7V.
When a base goes "Lo", Q19 is turned off, and SVR 8V AVR is outputting +8.5V.
Q20
DTC124EK
BU DETECTION SW
While BACKUP is applied, a base goes "Hi", and Q20 is turned on.
When momentary power down has detected, a base goes "Lo", and Q20 is turned off.
Q21
2SB1202
BU 5V AVR
While BACKUP is applied, AVR outputs +5V.
Q22
2SC4081
Q21 and Q22 are inverted Darlington connection.
Q30
DTC114YUA
Eccentric disc SW
When an eccentric disc is detected, Q30 is turned on, and a preceding
beam is made to be delayed.
Q31
DTC124EUA
VIN SW
While spindle servo or disc loading/eject mode is selected, a base goes "Hi",
and Q31 is turned on.
GCD PLAYER UNIT (X32-5090-0X)
COMPONENT DESCRIPTION
background image
KDC-C467/Y/FM/FMA,C667/Y
4
COMPONENT DESCRIPTION
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
UPC7805AHF
BU 5V AVR
While BACKUP is applied, AVR outputs +5V.
IC2
LC72329-9274
System MI-COM.
System control
IC4
NJM78L05UA
5V AVR
Power supply for FM modulator and RF amplifier
IC101 NJM2060M
Isolation amp.
IC102 NJM4565MD
Low pass filter
IC301 BA1405F
FM ST modulator
IC302 NJM4565MD
1/2 VCC driver,
ALC detection amp.
Q1
DTC124EK
ACC detection
When Q4 is turned on , Q1 is turned on during ACC applied.
Q2
2SA1782(T,U)
POWER SW
When Q3's base goes "Hi", Q2 is turned on, and RF modulator circuit is working.
Q3
DTC124EK
Q4
DTC143TK
Reset SW
When RESET SW on display unit is pressed, Q4,Q1 and Q6 are turned off,
and IC2 is holding.
Q5
DTC143TK
CH RESET SW
When RESET SW on display unit is pressed, Q5 is turned off, and
SYSTEM RESET signal is outputted to CD changer.
Q6
DTA124EK
Hold detection SW
When RESET SW on display unit is pressed or ACC is OFF, Q6 is turned
off, and IC2 is holding.
Q8
DTC143TK
Relay driver
FM modulator output / Vehicles antenna input switching.
When a base goes "Hi", FM modulator output is selected.
Q9
2SC4640(T,U)
Ripple filter
Power supply for RF amplifier
Q101 2SK2158
ALC control SW
Q201 2SK2158
Q303 2SA1162(GR)
Pilot mix amp.
Q304 2SK2158
Level control SW
Level1/2 : OFF, Level3/4 : ON
Q305 2SK2158
Level control SW
Level2/4 : OFF, Level1/3 : ON
Q306 2SK508L
RF oscillator buffer
Q307 2SC2714(Y)
RF amp.
Q308 2SK2158
Mode(1/2) SW
Mode1 : ON, Mode2 : OFF
Q309 2SK2158
Audio mute
POWER ON mode : OFF, POWER OFFmode : ON
Q310 2SK2158
Mode(1/2) SW
Mode1 : OFF, Mode2 : ON
GRF MODULATOR UNIT
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
LC75852W
LCD driver with key-matrix
IC2
PNA4602M
Remote control light senser
Q1
DTC144EK
LED ON/OFF SW
When Q1's base goes "Hi", Q2 is turned on, and LED is turned on.
Q2
DTB123YK
Q3
DTA144EK
Key-matrix permition SW Ready on key-matrix
Q4
DTC144EK
When Q4's base goes "Hi", Q5 is turned on, and 5V is supplied to remote
Q5
DTA114EK
IC2 ON/OFF SW
control sensor.
GDISPLAY UNIT
background image
KDC-C467/Y/FM/FMA,C667/Y
5
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Description
Processing Operation
1
NOR/RW
O
CD-DA/CD-RW Switching
Not used(N.C.)
2
TSTB
O
CD-TEXT parameter strobe
3
P-CON
O
P-CON output
Not used(N.C.)
4
FOK
I
Focus OK input
"Hi" : Focus OK
5
XTALEN
O
Servo IC oscillation stop control
"Hi" : Oscillation stop
6
RST
O
Servo IC reset terminal
"Lo" : Reset
7
SAO
O
Servo IC command/parameter setting terminal
"Hi" : Parameter setting, "Lo" : Address resister setting
8
SSTB
O
Servo IC command/parameter setting strobe terminal
"Hi"
"Lo" : Serial data latch
9
VDD
-
Positive power supply connection terminal
Connected to D 5V lines.
10
X2
-
Main clock resonator connection terminal 2
11
X1
I
Main clock resonator connection terminal 1
12
VSS
-
Ground connection terminal
Connected to GND lines.
13
XT2
-
Sub clock resonator connection terminal 2
Not used(N.C.)
14
XT1
I
Sub clock resonator connection terminal 1
Not used(connected to GND lines.)
15
RESET
I
System reset input
"Lo" : System reset
16
FOGUP
I
Vibration detect input
"Hi" : Vibration detect
17
MGSW
I
Magazine switch input
"Hi" : Magazine in
18
EJSW
I
Eject switch input
"Hi" : Eject switch ON
19
COMMSW
I
5-line communication old/new switch input
"Hi" : New communication, "Lo" : Old communication
20
PACK
I
Text data pack synchronous signal input
"Hi"
"Lo" : The head of the pack data
21
CH-CON
I
Changer control input
"Hi" : Standby mode, "Lo" : Operation mode
22
BUDET
I
Momentary power down detection input
"Hi" : When momentary power down detected or BU OFF
"Lo" : BU ON
23
AVDD
-
A/D converter positive power supply connection terminal
Connected to D 5V lines.
24
AVREF0
I
A/D converter reference voltage input
Connected to PON 5V lines.
25
HOT
I
Rise in temperature detection input
26
LPS
I
LPS Mechanical deck position detection input
27
LOESW
I
Loading complete switch input
"Lo" : Loading complete
28
LIMSW
I
Limit switch input
"Lo" : Pickup most inner position
29
TOFF
I
Tracking OFF mode terminal
Not used(pull down to GND lines.)
30
ADJSEL
I
Servo automatic adjustment ON/OFF terminal
Not used(pull down to GND lines.)
31
TBANK
I
Tracking gain switching mode terminal
Not used(pull down to GND lines.)
32
SIM2
I
Destination input 2
Not used(pull down to GND lines.)
33
AVSS
-
A/D, D/A converter ground connection terminal
Connected to GND lines.
34
LPSCO
O
LPS A/D converter reference power control output
Not used(N.C.)
35
AMUTE
O
Audio mute output
"Lo" : Audio mute ON
36
AVREF1
I
D/A converter reference voltage input
Connected to D 5V lines.
37
SDI
I
Servo IC communication serial data input
38
SDO
O
Servo IC communication serial data output
39
SCK
O
Servo IC communication serial clock output
40
DATAH
I
Data input from H/U
GIC7 (CD PLAYER UNIT : X32-5090-0X)

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