© 1999-11 PRINTED IN JAPAN
B51-7562-00 (N) 1794
CD RECEIVER
SERVICE MANUAL
KDC-315S/V/415S
KDC-4015/4016/CG
SRC
LOUD
SRC
LOUD
PWR
OFF
AME
ADJ
A.ADJ
CRSC
CLK
SCAN
RDM
REP
D.SCN
M.RDM
KDC-415S
45W 4
X
CD MD-CHANGER CONTROL
DISC
DISC
AUTO
PWR
OFF
AME
ADJ
A.ADJ
CRSC
CLK
SCAN
RDM
REP
D.SCN
M.RDM
KDC-4015
45W 4
X
CD MD-CHANGER CONTROL
DISC
DISC
AUTO
SRC
LOUD
PWR
OFF
AME
ADJ
A.ADJ
CRSC
CLK
SCAN
RDM
REP
D.SCN
M.RDM
KDC-4016
45W 4
X
CD MD-CHANGER CONTROL
DISC
DISC
AUTO
SRC
LOUD
PWR
OFF
AME
ADJ
A.ADJ
CRSC
CLK
SCAN
RDM
REP
D.SCN
M.RDM
KDC-315S
45W 4
X
CD MD-CHANGER CONTROL
DISC
DISC
AUTO
Extension cord
Parts No.
CD mechanism(22P)
W05-0618-00
The MECHANISM OPERATION DESCRIPTION is the same as model KDC-S3007 and KDC-5050RG.
Please refer to the service manual for model KDC-S3007(B51-7029-00) or KDC-5050RG(B51-7099-00).
Plastic cabinet assy
(A02-1486-13)
Stay
(J54-0606-04)
Mounting hardware assy
(J21-9491-03)
Screw set
(N99-1632-05)
Screw set
(N99-1610-15)
DC cord
(E30-4784-05)
:KDC-4016/CG
DC cord
(E30-4783-05)
:KDC-315S/V/415S/4015
Lever x2
(D10-3031-04)
Escutcheon
(B07-2181-02)
Front glass
(B10-3121-01):KDC-315S
Panel assy
(A64-1887-02):KDC-315S
Escutcheon
(B07-2181-02)
Front glass
(B10-3119-01)
Panel assy
(A64-1885-02)
Escutcheon
(B07-2181-02)
Front glass
(B10-3120-01)
Panel assy
(A64-1886-02)
Escutcheon
(B07-2181-02):KDC-4016
Front glass
(B10-3124-01)
Panel assy
(A64-1890-02):KDC-4016
Battery(size:AAA)
Not supplied as
service parts
Remote controller assy
(A70-0883-05)
:KDC-315V/415S/4015/4016/CG
(B07-2184-02):KDC-4016CG
(A64-2025-02):KDC-4016CG
(B10-3189-01):KDC-315V
(A64-2054-02):KDC-315V
Illustration is KDC-315S.
KDC-315S/V/415S
4015/4016/CG
2
BLOCK DIAGRAM
BLOCK DIAGRAM ........................................................................................ 2
COMPONENTS DESCRIPTION ................................................................... 3
TERMINAL DESCRIPTION........................................................................... 5
ADJUSTMENT ............................................................................................. 7
PC BOARD .................................................................................................... 8
SCHEMATIC DIAGRAM ............................................................................. 15
EXPLODED VIEW....................................................................................... 23
PARTS LIST ................................................................................................ 26
SPECIFICATIONS .................................................................... BACK COVER
CONTENTS
FM+B
AM+B
ACC DET.
BU DET.
WITH
LCD DRIVER
KEY MATRIX
LCD
REMOTE
A8V
SERVO
SW14V
ILLUM
SW5V
BU5V
P-CON
ANT-CON
MUTE DRIVER
MUTE
POWER IC
u-COM
and
PRE OUT
SP-OUT
ACC
ANT-CONT
P-CON
BACK UP
E-VOL
PAN 5V SW
170mV
1200mV
1200mV
MPX
CONTROL
Q202,203
Q200,201
IC2
Q153,154(KDC-315S/V)
Q155,156
IC5,
IC4
Q13
Q12
Q17-20
Q15,16
Q1,2
Q14
Q5,6
Q7
Q3,4
Q8-11
Q207
IC1
IC2
TUN5V
PROTECTION
THERMAL
RST
RST SW
IC1
IC3,Q50
382mV
KDC-4016/CG
Q151-154(KDC-415S/4015/4016/CG)
S-METER
CH
MO SW
SERVO
LO/EJ
STOP
RST
CS
MUTE
SRQ
DATA S
DATA M
CLK
SW3
SW2
SW1
A8V
RST
DATA C
REQ H
CH-CON
DATA H
REQ C
CLK
CD
AM
FM
MUTE
D
ATA
S
CLK
CE
D
ATA
L
RDCK
RDD
A
QU
A
L
NOISE
SD
A
SCL
A8V
BU5V
UP
AUDIO OUT
BU5V
MUTE
PAN 5V
SD
A
SCL
VDD
PHONE
ACC DET.
BU DET.
REMO
AFC
SD
DSI
SW5V
BU5V
AM+B
FM+B
SD
S-METER
PAN 5V
BACK
P
ANEL
PANEL
QUAL
SVR SW
SVR
Q150
VDD 5V
IF1/IF2/PLL+B
LEVEL
3529mV
AM
FM
561mV
1605mV
CD-CH
CD
3529mV
KDC-315S/V/415S
4015/4016/CG
3
COMPONENT DESCRIPTION
SWITCH UNIT(X13-9680-1X)
Ref.No. Component Name
Application/Function
Operation/Condition/Compatibility
IC1
LC75853NE
LCD driver with key-matrix
IC2
RS-171
Remote control light sensor
Q1
DTA114EKorUN2111 key-matrix permission SW
Ready on key-matrix
ELECTRIC UNIT(X25-8430-XX)
Ref.No. Component Name
Application/Function
Operation/Condition/Compatibility
IC1
UPD780058GC144 System MI-COM.
IC2
TDA7400D
E-VOL. & N.C. MPX
IC3
PST9130NR
Reset IC
"Lo": Detection voltage below 3.0V
IC4
TDA7386
Power IC
IC5
HD74HC27FP
Mute logic
3 input NOR gate x3
Q1
2SB1565F(E,F)
BU 5V AVR
Inverted darlington connection
Q2
2SC1740S
ON during BU applied
Q3
DTA124EKorUN2112
SW14V
Audio 8V AVR and Servo AVR ON/OFF control
Q4
DTC144EKorUN2213
Q3 is turned ON when Q4's base goes "Hi".
Q5
2SB1184
Audio 8V AVR
Q5 is turned ON when Q6's base goes "Hi".
Q6
2SC1740S
Inverted darlington connection
Q7
2SD2396F40
Servo AVR
ON when the base goes "Hi".
Q8
DTC144EKorUN2213
Q9
DTA124EKorUN2112
Illumination AVR
Q10 is turned ON when Q8's base goes "Hi".
Q10
2SB1184
Q11
2SC1740S
Q12
2SC1740S
BU detection(Momentary power down detection)
ON when the base goes "Hi" during BU applied.
Q13
2SC1740S
ACC detection
ON when the base goes "Hi" during ACC applied.
Q14
2SA1036K
SW 5V
ON when the base goes "Lo".
Q15
2SB1277(Q,R)
P-ANT SW
Q15 is turned ON when Q16's base goes "Hi".
Q16
DTC114YKorUN2214
ON during FM/AM reception
Q17
2SB1277(Q,R)
P-CON SW
Q17 is turned ON when Q20's base goes "Hi".
Q20
DTC114YKorUN2214
ON while power is on or CD loading/eject.
Q18
2SA1037K
P-CON protection
Protect Q17 by turning ON when P-CON output is grounded.
Q19
DTA124EKorUN2112
Prevents Q18 tuning ON during start-up after power ON.
Q50
DTC144EKorUN2213 RESET SW
System RESET is activated when the panel reset SW is pressed.
Q150 DTC114YKorUN2214 SVR SW
POWER IC RESET is activated when the base goes "Hi".
Q151 DTC143TKorUN2216
Q152 DTC143TKorUN2216
Audio mute SW
Audio pre-outs are muted when the base goes "Hi".
Q153 DTC143TKorUN2216
Q154 DTC143TKorUN2216
Q155 DTA124EKorUN2112 Mute driver for Audio mute SW
ON when the base goes "Lo".
Q156 DTC144EKorUN2213 E-VOL. mute SW
E-VOL. is muted when the base goes "Hi".
Q200 2SB1277(Q,R)
FM+B SW
Q200 is turned ON when Q201's base goes "Hi".
Q201 DTC124EKorUN2212
ON during FM reception
Q202 2SB1277(Q,R)
AM+B SW
Q202 is turned ON when Q203's base goes "Hi".
Q203 DTC124EKorUN2212
ON during AM reception
Q207 2SA1037K
Panel detection SW
ON when the base goes "Lo" during the panel closed.
KDC-315S/V/415S
4015/4016/CG
4
COMPONENT DESCRIPTION
CD PLAYER UNIT(X32-4600-00)
Ref.No. Component Name
Application/Function
Operation/Condition/Compatibility
Generation of RF signal based on the signals from the APC
IC1
AN8806SB
RF amplifier
circuit and pickup, and generation of servo error(focusing error
and tracking error) signals. Detection of dropout, anti-shock,
track crossing and off-track conditions.
Focusing,tracking,sled and spindle servo processing. Auto
IC2
MN662770KA7
CD signal processor bult-in MI-COM.
matic adjustment(focusing, tracking, gain, offset and balance)
operations. Digital signal processing(DSP, PLL, sub-codes, CIRC
error correction, audio data interpolaration) operations.
IC4
BA5917AFP
BTL driver
Focusing coil, tracking coil, spindle motor and sled motor
driver
IC5
TA78L05F
5V AVR
IC6
NJM4565MD
Low pass filter
Q1
2SA1362(Y)
APC
LD power control
Q2
DTC124EUA
POWER SW
Power on during the source selected CD
Q3
2SA1362(Y)
A.8V SW
A8V line ON/OFF control
Q4
2SA1362(Y)
D.5V SW
D5V line ON/OFF control
Q5
DTC124EUA
MOTOR ON SW
Power on during CD roading or eject action
Q6
2SA1576A
TE LEVEL SW
OFF during CDR play
KDC-315S/V/415S
4015/4016/CG
Terminal description
Pin No.
Pin Name
I/O
Description
Processing Operation
1
AV CONT
O
A/D converter reference voltage control output
"Hi": ON / "Lo": OFF
2
IC2 TYPE0
I
IC2 setting terminal
"Lo": Initial value
3
IC2 TYPE1
I
IC2 setting terminal
"Lo": Initial value
4
AVSS
-
Ground connection terminal
connected to GND
5
M MUTEL
I
Muting request from the MICOM. of CD mecha.
"Lo": Mute request
6
N.C
O
Not used
7
AVREF1
I
D/A converter reference voltage input
8
ILLUMI
O
Illumination AVR ON/OFF control output
"Hi": AVR ON
9
L RES
O
Reset output to the LCD driver IC
"Lo": Reset
10
PANEL
I
Panel open/close detection input
"Lo": Panel closed
11
L DATAL
I
Data input from the LCD driver IC
12
L DATAS
O
Data output to the LCD driver IC
13
L CLK
O
Clock output to the LCD driver IC
14
N.C
O
Not used
15
N.C
O
Not used
16
CH-DATAC
I
Data input from changers
17
CH-DATAH
O
Data output to changers
18
CH-CLK
I/O
Clock input/output with changers
19
L CE
O
CE output to the LCD driver IC
"Hi": Active
20
N.C
O
Not used
21
M RST
O
Reset output to the MICOM. of CD mecha.
"Lo": Reset
22
M STOP
O
Stop request to the MICOM. of CD mecha.
"Lo": Stop
23
MOSW
O
CD mechanism loading motor control output
"Hi": Loading & Eject / "Lo": other
24
PLL SCL
O
Clock output to the tuner pack
25
AM+B
O
AM+B control
"Hi": during AM reception
26
FM+B
O
FM+B control
"Hi": during FM reception
27
M-SCL
I/O
Clock input/output with the MICOM. of CD mecha.
28
DSI
O
DSI output
"Hi": LED ON
29
LO/EJ
I/O
CD mecha.Loading/Eject switching output
"Lo": Loading / "Hi": Eject
30
SW3
I
Down & limit switch detection input
"Hi": Chucking / "Lo": Pickup most inner position
31
R DATA
I
Data input from RDS decoder
32
R QUAL
I
Quality input from RDS decoder
33
VSS1
-
Ground connection terminal
connected to GND
34
SD
I
SD input from the tuner pack
"Hi": Station detected
35
IC2 SCL
O
Clock output to the E-VOL. IC
36
M-SDA
I/O
Data input/output with the MICOM. of CD mecha.
37
PLL SDA
I/O
Data input/output with the tuner pack
38
IC2 SDA
I/O
Data input/output with the E-VOL. IC
39
MUTE
O
Mute control output
"Hi": Mute ON / "Lo": Mute OFF
40
N.C
O
Not used
TERMINAL DESCRIPTION
5