Kenwood KDC-1016, KDC-115-S Service manual
CD RECEIVER
KDC-1016/115S
SERVICE MANUAL
© 1999-12 PRINTED IN JAPAN
B51-7574-00 (N) 1793
BAND
AUTO
Panel assy
(A64-1938-02)
ADJ
CLK
AME
Escutcheon
(B07-2181-02)
PWR OFF
SRC
LOUD A.ADJ CRSC
AUD
ATT
23456
1
SCAN RDM REP
Illustration is KDC-115S.
DC cord
(E30-4783-05)
:KDC-115S
Front glass
(B10-3146-03)
HIGH POWER 45Wx4
DC cord
(E30-4784-05)
:KDC-1016
KDC-115S
Extension cord
CD mechanism(22P) W05-0618-00
Escutcheon
(B07-2181-02)
PWR OFF
SRC
A.ADJ
LOUD
ATT
AUD
23456
1
SCAN RDM REP
Panel assy
(A64-1939-02)
ADJ
CLK
CRSC
BAND
AMEAUTO
Illustration is KDC-1016.
Parts No.
Front glass
(B10-3146-03)
KDC-1016
HIGH POWER 45Wx4
Mounting hardware assy
(J21-9491-03)
Screw set
(N99-1632-05)
Lever
(D10-3031-04)x2
Stay
(J54-0606-04)
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).
KDC-1016/115S
BLOCK DIAGRAM ........................................................................................ 3
COMPONENT DESCRIPTION ...................................................................... 4
MICRO COMPUTER’S DECRIPTION ........................................................... 6
ADJUSTMENT ............................................................................................. 8
PC BOARD .................................................................................................... 9
SCHEMATIC DIAGRAM ............................................................................. 15
EXPLODED VIEW ....................................................................................... 21
PARTS LIST ................................................................................................ 23
SPECIFICATIONS .................................................................... BACK COVER
CONTENTS
2
KDC-1016/115S
IC1
A1
(X13)
KEY
MUTE
B.U DET
B.U
ACC
P-CONT
MUTE
PRE
POWER IC
N.C./MPX
E-VOL.
FRONT Lch
FRONT Rch
REAR Lch
REAR Rch
J1
LED
CD MECHA
1 Lch
2 Rch
PRE OUT
IC2 IC4
IC6
SP OUT
REAR
RST SW
RST IC
KDC-1016
IC5
ACC DET
P-CONT
ANT-CONT
J1
J2
FM+B
AM+B
5V
AM BPF
FM BPF
SW5V
8V
ILLUMI
BU5V
SYSTEM u-COM
RST
ANT-CONT
7SEG LCD
ED1
SW14V
SERVO
Q30,31
Q32,33
Q23,24
SW
SVR
Q25
Q40
Q15
Q3,4
Q6,7
Q9-12
Q1,2
Q8 Q14
Q13
Q18-21
Q16,17
Q28,29
FM ANT
AM ANT
RF GND
FM+B
AM+B
OSC GND
OSC GND
OSC GND
N.C. (VT)
PLL +B
AM IFOUT
SDA
SCL
DIG GND
IF1+B
IF1 GND
S-METER
IF2 GND
SD
FM+B
SW5
ACC DET
B.U DET
SCK
MUTE
SDA
P CON
RESET
SW3
MO SW
MP IN
AM
MPX
OUT RR
OUT LR
OUT RF
LEVEL
SCK
SDA
OUT LF
STBY
P. MUTE
B.U
SMUTE
9
BU5V
AM+B
VDD 5V
LO/EJ
ANT CON
BEEP
SVR
AMP. STBY
SVR
AC GND(BEEP)
Rch
Lch
CD :3529mV
AM :546mV
FM :1781mV
RF GND
OSC GND
IF2 +B
AUDIO OUT
8V
S-METER
SD
PLL-CLK
PLL-DATA
BU5V
B.U.5V
8V
BU5V
AM: 170mV
FM: 400mV
M STOP
ILL
9
KS0-KS4
KI0-KI3
25
25
SEG1-SEG22
COM1-COM3
P. MUTE
8V
BU5V
SERVO
M RST
M MUTE
M DATA
M CLK
SW1
SW2
SW2
SW1
M CLK
M DATA
BU 5V
D GND
M MUTE
M RST
M STOP
AUDIO+B
Lch
GND
Rch
LO/EJ
MO SW
SERVO+B
SERVO GND
SW3
BU 5V
8V
SERVO
1200mV
BLOCK DIAGRAM
3
KDC-1016/115S
COMPONENT DESCRIPTION
ELECTRIC UNIT(X25-8420-XX)
Ref.No.
IC1 M38258MCD067FP System MI-COM.
IC2 TDA7400D E-VOL. & N.C. MPX
IC4 TDA7386 Power IC
IC5 PST9135NR Reset IC “Lo”: Detection voltage below 3.5V
IC6 HD74HC27FP Mute logic 3 input NOR gate x3
Q1 2SB1565(E,F)or2SB1655(E,F)
Q2 2SC2412Kor2SD601A ON during BU applied.
Q3
Q4
Q6 2SB1184
Q7 2SC2412Kor2SD601A Q6 is turned ON when Q7’s base goes “Hi”.
Q8 2SD2396 Servo AVR ON when the base goes “Hi”.
Q9
Q10
Q12 2SC2412Kor2SD601A
Q13 2SC2412Kor2SD601A
Q14 2SC2412Kor2SD601A ACC detection ON when the base goes “Hi” during ACC applied.
Q15 2SA1036K SW 5V ON when the base goes “Lo”.
Q16 2SB1277(Q,R)
Q17 DTC114YKorUN2214 ON during FM/AM reception
Q18 2SB1277(Q,R)
Q21 DTC114YKorUN2214 ON while power is on or CD loading/eject.
Q19 2SB709A
Q20
Q23
Q24
Q25 DTC114YKorUN2214 SVR SW POWER IC RESET is activated when the base goes “Hi”.
Q28 DTC143TKorUN2216
Q29 DTC143TKorUN2216
Q30 2SB1277(Q,R)
Q31 DTC124EKorUN2212 ON during FM reception
Q32 2SB1277(Q,R)
Q33 DTC124EKorUN2212 ON during AM reception
Q40 DTA144EKorUN2113 RESET SW
Component Name Application/Function Operation/Condition/Compatibility
BU 5V AVR
DTA124EKorUN2112orKRA103S
DTC144EKorUN2213orKRC104S
DTC144EKorUN2213orKRC104S
DTA124EKorUN2112orKRA103S
DTA124EKorUN2112orKRA103S
DTA124EKorUN2112orKRA103S
DTC144EKorUN2213orKRC104S
SW14V
Audio 8V AVR
Illumination AVR
BU detection(Momentary
power down detection)
P-ANT SW
P-CON SW
P-CON protection
Mute driver for Audio mute SW
E-VOL. mute SW E-VOL. is muted when the base goes “Hi”.
Audio mute SW Audio pre-outs are muted when the base goes “Hi”.
FM+B SW
AM+B SW
Inverted darlington connection
Audio 8V AVR and Servo AVR ON/OFF control
Q3 is turned ON when Q4’s base goes “Hi”.
Inverted darlington connection
Inverted darlington connection
ON when Q9’s base goes “Hi”.Q11 2SB1184
ON when the base goes “Hi” during BU applied.
Q16 is turned ON when Q17’s base goes “Hi”.
Q18 is turned ON when Q21’s base goes “Hi”.
Protect Q18 by turning ON when P-CON output is grounded.
Prevents Q19 tuning ON during start-up after power ON.
ON when the base goes “Lo”.
Q30 is turned ON when Q31’s base goes “Hi” .
Q32 is turned ON when Q33’s base goes “Hi” .
Audio mute is activated when the panel reset SW is pushed.
4
KDC-1016/115S
COMPONENT DESCRIPTION
CD PLAYER UNIT(X32-4700-00)
Ref.No.
IC1 AN8806SB RF amplifier
IC2 MN662774KC3
IC4 BA5917AFP BTL driver
IC5 TA78L05F 5V AVR
IC6 NJM4565MD Active filter Low pass filter
Q1 2SB1188 APC LD power control
Q2 DTC124EUA P ON SW
Q3 2SA1362(Y) A.8V SW
Q4 2SA1362(Y) D.5V SW
Q5 DTC124EUA MOTOR SW
Q8 DTC124EUA GAIN CONTROL SW
Component Name Application/Function Operation/Condition/Compatibility
Generation of RF signal based on the signals from the
APC 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.
Automatic adjustment(focusing, tracking, gain, offset
CD signal processor bult-in MI-COM.
and balance) operations. Digital signal
processing(DSP, PLL, sub-codes, CIRC error correction,
audio data interpolaration) operations.
Focusing coil, tracking coil, spindle motor and sled
motor driver
Q3 and Q4 are turned ON when Q2’s base goes “Hi”
during the source selected CD.
A8V line ON/OFF control ON, when the base goes ”Lo”.
D5V line ON/OFF control ON, when the base goes ”Lo”.
Q4 is turned ON when Q5’s base goes “Hi” during CD
loading or eject.
5
KDC-1016/115S
MICRO COMPUTER’S DESCRIPTION
Terminal Description
Pin No.
1 C1 I Not used(N.C.)
2 VL1 I LCD power supply input terminal
3 KI0 I Key return input
4 KI1 I Key return input
5 KI2 I Key return input
6 KS0 O Key scan output
7 KS1 O Key scan output
8 KS2 O Key scan output
9 KS3 O Key scan output
10 S METER I S-meter input from the front end
11 KS4 O Key scan output
12 BEEP O BEEP sound output
13 (NC) O Not used(N.C.)
14 (NC) O Not used(N.C.)
15 SW3 I
16 LO/EJ I/O
17 KI3 I Key return input
18 M RST O
19 M CLK I/O
20 SW2 I 12cm disc detection terminal
21 MO SW O
22 M STOP O
23 M MUTE I
24 SW1 I Loading detection “Lo”: CD chucking
25 M DATA I/O
26 SD I SD input from the front end “Hi”: Station detected
27 PLL CLK O Clock output to the front end
28 PLL DATA I/O
29 (NC) I Not used(N.C.)
30 AM+B O AM+B control “Hi”: during AM reception
31 FM+B O FM+B control “Hi”: during FM reception
32 SCK O Clock output to the E-VOL. IC
33 SDA I/O
34 (NC) O Not used(Pull down to GND)
35 RESET I Reset input terminal “Lo”: System reset
36 (NC) O Not used(N.C.)
37 (NC) O Not used(N.C.)
38 XIN -
39 XOUT -
40 VSS - Ground connection terminal connected to GND
41 IC2 TYPE 1 I IC2 setting terminal “Lo”: Initial value
42 IC2 TYPE 2 I IC2 setting terminal “Lo”: Initial value
6
Pin Name I/O Description Processing Operation
Down & limit switch detection input “Hi”: Chucking / “Lo”: Pickup most inner position
CD mecha.Loading/Eject switching output
Reset output to the MICOM. of CD mecha.
Clock input/output with the MICOM. of CD mecha.
CD mechanism loading motor control output
Stop request to the MICOM. of CD mecha.
Muting request from the MICOM. of CD mecha.
Data input/output with the MICOM.
of CD mecha.
Data input/output with the front end
Data input/output with the E-VOL. IC
Main clock resonator connection terminal
Main clock resonator connection terminal
“Lo”: Loading / “Hi”: Eject / “Hi-Z”: Stop
“Lo”: Reset
When the 12cm disc was detected, the input
becomes “Lo” temporarily.
“Hi”: Loading & Eject / “Lo”: other
“Lo”: Stop
“Lo”: Mute request
KDC-1016/115S
MICRO COMPUTER’S DESCRIPTION
Pin No.
43 (NC) O Not used(N.C.)
44 SEL 1 I Destination type input terminal 1 Pull down to GND
45 SEL 2 I Destination type input terminal 2
46 MUTE O Mute control output “Hi”: Mute ON / “Lo”: Mute OFF
47 STBY O Power IC standby control output “Hi”: POWER ON mode
48 SVR O Power lC reset terminal
49 ACC DET I ACC detection input “Hi”: ACC OFF / “Lo”: ACC ON
50 BU DET I
51 P MUTE O Power IC mute control “Lo”: Mute
52 ANT CON O Antenna control “Hi”: during FM/AM reception
53 P CON O Power control “Hi”: POWER ON mode except ALL OFF mode
54 ILL ON O
55 (NC) O Not used(N.C.)
56 SW5 O SW 5V control “Lo”: POWER ON mode, CD Loading/Eject
57 (NC) O Not used(N.C.)
58 (NC) O Not used(N.C.)
59 (NC) O Not used(N.C.)
60 (NC) O Not used(N.C.)
61 (NC) O Not used(N.C.)
62 (NC) O Not used(N.C.)
63 (NC) O Not used(N.C.)
64 (NC) O Not used(N.C.)
65 (NC) O Not used(N.C.)
66 (NC) O Not used(N.C.)
67 (NC) O Not used(N.C.)
68 (NC) O Not used(N.C.)
69 SEG22 O LCD segment output terminal
70 SEG21 O LCD segment output terminal
71 SEG20 O LCD segment output terminal
72 SEG19 O LCD segment output terminal
73 SEG18 O LCD segment output terminal
74 SEG17 O LCD segment output terminal
75 SEG16 O LCD segment output terminal
76 SEG15 O LCD segment output terminal
77 SEG14 O LCD segment output terminal
78 SEG13 O LCD segment output terminal
79 SEG12 O LCD segment output terminal
80 SEG11 O LCD segment output terminal
81 SEG10 O LCD segment output terminal
Pin Name I/O Description Processing Operation
KDC-115S : Pull down to GND
KDC-1016 : Pull up to BU 5V
When the momentary power down ,after ACC
OFF/ON is detected and after POWER OFF ,the
output goes “Hi” temporarily.
Momentary power down detection input
Illumination AVR ON/OFF control output
“Hi”: When momentary power down detected
or BU OFF / “Lo”: BU ON
“Hi”: POWER ON mode
7
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