KDC-5080-R
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CD RECEIVER
KDC-5080R/R Y,
KDC-6016R
SERVICE MANUAL
© 2000-2 PRINTED IN JAPAN
B51-7593-00 (N) 2209
KDC-5080R/RY
KDC-6016R
Plastic cabinet assy
(A02-1494-08)
Escutcheon assy
(B07-2195-08)
Escutcheon assy
(B07-2195-08)
Mounting hardware assy
(J21-9585-08)
LOUD
LOUD
45W 4
SCAN RDM REP
KDC-6016R
X
SCAN RDM REP
KDC-5080R
Front glass assy
(B10-3215-08)
D.SCN
M.RDM
MENU
AUD
Front glass assy
(B10-3214-08)
D.SCN
M.RDM
MENU
AUD
Remote controller assy
(A70-0883-05)
:KDC-6016R
Extension cord
CD mechanism(22P) W05-0618-00
Panel assy
(A64-2092-08)
PWR
OFF
X
45W 4
DISP
TI
NAME.S
VOL ADJ
DISP
TI
NAME.S
VOL ADJ
Escutcheon(J CAR)
(B07-2186-08)
:KDC-6016R
DISC
DISC
DISC
DISC
PTY
DAB
EJECT
Panel assy
(A64-2092-08)
PWR
OFF
PTY
DAB
EJECT
Parts No.
Stay
(J54-0611-08)
:KDC-6016R
DC cord
(E30-4868-08)
:KDC-6016R
Battery(size:AAA)
Not supplied as
service parts
DC cord
(E30-4869-08)
:KDC-5080R/RY
Screw set
(N99-1688-08)
Lever
(D10-4514-08)x2
Screw set
(N99-1689-08)
:KDC-6016R
Ant adapter
(T90-0523-05)
:KDC-5080R/RY
F1
F1
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-5080R/RY,6016R
CONTENTS
BLOCK DIAGRAM .........................................................................................3
COMPONENTS DESCRIPTION ....................................................................4
MICROCOMPUTER’S TERMINAL DESCRIPTION....................................... 6
TEST MODE .................................................................................................. 8
ATTENTION...................................................................................................9
PC BORD .....................................................................................................10
SCHEMATIC DIAGRAM ..............................................................................17
EXPLODED VIEW........................................................................................25
PARTS LIST .................................................................................................27
SPECIFICATIONS........................................................................................34
2
REAR
FRONT
REAR
FRONT
BU5V
SW5V
PNL5V
AIDIO 8V
SERVO 7.5V
ILL 11V
FRONT
10K
10K
REAR
FRONT
REAR
FM
AM
CD
CD-CH
2
POWER IC
BU 5V
SW 5V
PNL 5V
AUDIO 8V SW 14V
SERVO 7.5V
ILL 11V
BU 14V
RDS DETECTOR
TUNER
ANT
E PROM
E-VOL
NOISE AMP
CD
u-COM
CD-CH
RST
LCD-Dr
REMO
KEY MATRIX
LCD
TU100, Q100-104
IC1
RST SW
Q3
IC2
IC900
IC901
IC300
IC150
IC500
Q1
Q5
Q622, 625 Q621, 624
Q618, 620
Q612, 614, 615
Q610, 611
Q300-302
CD
AM(E)
AM(M)
FM(E)
FM(M)
CD-CH
1250mV
(E)
(M)
(E)
(M)
1200mV
FM(M)
CD
AM
FM(E)
CD-CH
FM(M)
CD
FM(E)
AM(M)
AM(E)
CD-CH
FRONT
REAR
CD-CH
CD
AM(E)
AM(M)
FM(E)
FM(M)
: 730mV
: 560mV
: 1280mV
: 1660mV
: 2900mV
: 2930mV
: 400Hz 40KHz Dev
: 400Hz 75KHz Dev
: 1KHz 0dB
: 400Hz 30% Mod
: 1KHz 0dB
: 2690mV
: 670mV
: 1180mV
: 2650mV
: 2650mV
: 510mV
: 1530mV
: 2690mV
: 1180mV
: 670mV
: 1530mV
: 510mV
: 170mV
: 350mV
: 150mV
: 140mV
AM+B
FM+B
SMETER
SD
SCL
SDA
IF COUNT
REQ C
REQ H
DATA C
DATA H
CLK
CH-CON
MUTE
RST
DATA S
DATA L
CE
INH
CLK
SRQ
MUTE
CLK
SW3
SW2
SW1
DATA S
DATA H
MO SW
STOP
RST
LO/EJ
CS
SDA
SCL
: 2930mVCD
: 2900mVCD-CH
: 560mV
: 730mV
: 1660mV
: 1280mVFM(E)
AM(M)
AM(E)
FM(M)
RDDA
QUAL
RDCL
AFC
NOISE
KDC-5080R/RY,6016R
BLOCK DIAGRAM
3
KDC-5080R/RY,6016R
COMPONENTS DESCRIPTION
MAIN UNIT
Ref.No.
IC1
IC2 S-80830ANNP Reset IC “Lo”: Detection voltage below 3.0V
IC3 HD74HC27FP Mute logic 3 input NOR gate x3
IC150 TDA7479D RDS decoder
IC300 TDA7400D E-VOL. & N.C. MPX
IC500 TDA7386 Power IC
Q1 2SA1576A SW 5V ON when the base goes “Lo”.
Q2 DTA124EUA
Q3 DTA144EUA Changer reset SW ON when the base goes “Lo”.
Q5 2SA1576A Panel 5V SW ON when the base goes “Lo” during the panel not detached.
Q100 2SA1703-AN
Q101 DTC144EUA ON during FM reception.
Q102 2SA1703-AN
Q103 DTC144EUA ON during AM reception.
Q104 2SC4081 Composite out buffer
Q300 DTA124EUA
Q301 DTC114TUA Q301 is turned On when Q300’s emitter goes “Hi”.
Q302 2SC4081 Noise buffer
Q303 DTC144EUA E-VOL. mute SW E-VOL. is muted when the base goes “Hi”.
Q350A,B
Q351A,B
Q500 DTC114YUA SVR SW POWER IC RESET is activated when the base goes “Hi”.
Q600 2SC4081
Q601 2SC4081 ACC detection ON when the base goes “Hi” during ACC applied.
Q604 2SA1703-AN
Q607 DTC114EUA ON during POWER ON mode except ALL OFF mode.
Q605 2SA1576A
Q606 DTA124EUA Prevents Q605 tuning ON during start-up after power ON.
Q610 2SB1565(E,F)
Q611 2SC4081 ON during BU applied.
Q612 2SD1760 Illumination AVR ON when the base goes “Hi”.
Q614 DTA124EUA
Q615 DTC124EUA
Q618 2SB1565(E,F)
Q620 2SC4081 Q618 is turned ON when Q620’s base goes “Hi”.
Q621 DTA124EUA
Q624 DTC144EUA Q621 is turned ON when Q624’s base goes “Hi”.
Q622 2SB1565(E,F)
Q625 2SC4081 Q622 is turned ON when Q625’s base goes “Hi”.
Component Name
784217AGF505
DTC343TK Audio mute SW Audio pre-outs are muted when the base goes “Hi”.
DTC343TK Audio mute SW Audio pre-outs are muted when the base goes “Hi”.
Application/Function Operation/Condition/Compatibility
System MI-COM.
Mute driver for Audio mute SW
FM+B SW
AM+B SW
Noise detection time constant SW
BU detection(Momentary power down detection)
P CON SW
P CON protection
BU 5V AVR
Illumination AVR SW Q614 is turned ON when Q615’s base goes “Hi”.
Servo AVR
SW 14V
Audio 8V AVR
ON when the base goes “Lo”.
Q100 is turned ON when Q101’s base goes “Hi”.
Q102 is turned ON when Q103’s base goes “Hi”.
OFF during FM seek, ON during FM reception.
ON when the base goes “Hi” during BU applied.
Q604 is turned ON when Q607’s base goes “Hi”.
Protect Q604 by turning ON when P-CON output is grounded.
Inverted darlington connection.
Inverted darlington connection.
Audio 8V AVR and Servo AVR ON/OFF control.
Inverted darlington connection.
4
KDC-5080R/RY,6016R
COMPONENTS DESCRIPTION
CONTROL
Ref.No.
IC900 LC75883E LCD driver with key-matrix
IC901 RS-171 Remote control IC
Q900 DTA124EUA Remote SW ON when the base goes “Lo”.
Q901 2SD2114K Key illumination green SW ON when the base goes “Hi”.
Q902 2SD2114K Key illumination red SW ON when the base goes “Hi”.
Q903 DTA124EUA Key-matrix permission SW ON when the base goes “Lo”.
CD PLAYER UNIT(X32-4700-00)
Ref.No.
IC1 AN8806SB RF amplifier
IC2
IC4 BA5917AFP BTL driver
IC5 TA78L05F 5V AVR
IC6 NJM4565MD Low pass filter
Q1 2SB1188 APC LD power control.
Q2 DTC124EUA P ON SW ON during the CD source selected.
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 ON during CD loading or eject action .
Q8 DTC124EUA GAIN CONTROL SW
UNIT
Component Name
Component Name
MN662774KC3 CD signal processor bult-in MI-COM.
Application/Function Operation/Condition/Compatibility
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, antishock, track crossing and off-track conditions.
Focusing, tracking, sled and spindle servo processing. Automatic adjustment(focusing, tracking, gain, offset and
balance)operations. Digital signal processing(DSP, PLL, subcodes, CIRC error correction, audio data interpolaration)operations.
Focusing coil, tracking coil, spindle motor and sled motor driver.
5
KDC-5080R/RY,6016R
MICROCOMPUTER’S TERMINAL DESCRIPTION
Terminal description
PinNo. Pin name I/O Description Processing Operation
1 ST TYPE1 I IC2 setting terminal “Lo”: Initial value
2 ST TYPE2 I IC2 setting terminal “Lo”: Initial value
3 JS TYPE1 I Genuine/After market distinction terminal “Hi”: Genuine, “Lo”: After market
4 TYPE1 I Destination type input terminal 1
5 TYPE2 I Destination type input terminal 2
6 TYPE3 I Destination type input terminal 3
7 NC O Not used
8 NC O Not used
9 VDD - Power supply connection terminal Connected to BU 5V lines.
10 NC O Not used
11 NC O Not used
12 NC O Not used
13 RDS DATA I Data input from the RDS decoder IC
14 RDS QUAL I Quality input from the RDS decoder IC
15 AFC O AFC control output
16 FM/AM SD I SD input from the tuner pack “Hi”: Station detected, “Lo”: Not detected
17 IF COUNT I Not used
18 NC O Not used
19 REMO I
20 AM+B O AM+B control “Hi”: During AM reception.
21 FM+B O FM+B control “Hi”: During FM reception.
22 TEST - IC test terminal(Not used) Connected to GND
23 IC2 SDA I/O Data input/output with the E-VOL. IC
24 IC2 SCK O Clock output to the E-VOL. IC
25 MUTE O Mute control output “Hi”: Mute ON, “Lo”: Mute OFF
26 SW5V O SW 5V control output
27 F/E DATA I/O Data input/output with the front end
28 F/E CLK O Clock output to the front end
29 CH CON O Changer control “Hi”: ON, “Lo”: Standby
30 CH REQH O Request output to changers “Lo”: Request
31 CD MUTE I
32 CD MRST O Reset output to the MI-COM. of CD mecha. “Lo”: Reset
33 CD MSTOP O Stop request to the MI-COM. of CD mecha. “Lo”: Stop
34 CD LO/EJ I/O CD mecha. loading/Eject switching output “Lo”: Loading, “Hi”: Eject, “Hi-Z”: Stop
35 CD LMON O
36 CD SW3 I Down & limit switch detection input
37 VDD - Power supply connection terminal Connected to BU 5V lines.
38 X2 - Main clock resonator connection terminal
39 X1 - Main clock resonator connection terminal
40 VSS - Ground connection terminal Connected to GND.
41 XT2 - Sub clock resonator connection terminal
42 XT1 - Sub clock resonator connection terminal
43 RESET I Reset input terminal “Lo”: System reset
44 NC O Not used
45 RDS CLK I Clock input from the RDS decoder IC
46 CH REQC I Request input from changers “Lo”: Request
47 LCD DATAL I Data input from the LCD driver IC
48 CD SW2 I 12cm disc detection terminal
49 CD SW1 I Loading detection “Lo”: CD chucking.
50 NC O Not used
Data input from the remote control light sensor
Muting request from the MI-COM. of CD mecha.
CD mechanism loading motor control output
“Hi”: During FM reception, “Lo”: During FM seek.
“Lo”: POWER ON mode or during CD loading or eject action.
“Lo”: Mute request
“Hi”: CD loading or eject action, “Lo”: other
“Hi”: Chucking, “Lo”: Pickup most inner position
When 12cm disc was detected, the input
becomes “Lo” temporarily.
6
KDC-5080R/RY,6016R
MICROCOMPUTER’S TERMINAL DESCRIPTION
PinNo. Pin name I/O Description Processing Operation
51 AVDD 52 AVREF0 53 PHONE I PHONE detection input
54 NC I Not used Pull down to GND.
55 NOISE I Noise detection input
56 S-METER I S-meter input from the front end
57 NC I Not used Pull down to GND.
58 NC I Not used Pull down to GND.
59 NC I Not used Pull down to GND.
60 NC I Not used Pull down to GND.
61 AVSS 62 NC O Not used
63 NC O Not used
64 AVREF1 65 CH DATAC I Data input from changers
66 CH-DATAH O Data output to changers
67 CH CLK I/O Clock input/output with changers
68 LCD DATAL I Data input from the LCD driver IC
69 LCD DATAS O Data output to the LCD driver IC
70 LCD CLK O Clock output to the LCD driver IC
71 NC O Not used
72 BEEP O BEEP sound output
73 NC O Not used
74 PNL DET1 I Panel detaching detection input “Hi”: Panel detached.
75 NC O Not used
76 LCD INH O INH output to the LCD driver IC “Lo”: LCD indication OFF.
77 LCD CE O CE output to the LCD driver IC “Hi”: Active
78 SRT SW1 I SRT position detection input
79 SRT SW2 I SRT position detection input Mask : (SW1, SW2)=(Lo, Lo)
80 NC O Not used
81 NC O Not used
82 NC O Not used
83 NC O Not used
84 NC O Not used
85 NC O Not used
86 NC O Not used
87 AMP SVR O Power lC reset output
88 AMP STBY O Power IC standby control output “Hi”: POWER ON mode
89 AMP MUTE O Power IC mute control output “Lo”: Mute
90 NC O Not used
91 ILL ON O Illumination AVR ON/OFF control output “Hi”: AVR ON
92 P ON O
93 SMALL I Small lights detection input “Lo”: During vehicle small lamps turn on.
94 P ANT O Antenna control output “Hi”: During FM/AM reception.
95 P CONT O Power control output
96 ACC DET I ACC detection input “Hi”: ACC OFF, “Lo”: ACC 0N
97 BU DET I Momentary power down detection input
98 AMP CONT O External amp. control output
99 NC O Not used
100 VSS - Ground connection terminal Connected to GND.
A/D converter power supply connection terminal
A/D converter reference voltage input terminal
A/D, D/A converter ground connection terminal
D/A converter reference voltage input terminal
Microprocessor peripheral power supply control output
Connected to BU 5V lines.
Connected to BU 5V lines.
1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE
Connected to GND.
Panel : (SW1, SW2)=(Hi, Hi)
Slide : (SW1, SW2)=(Hi, Lo)
When the momentary power down, after ACC OFF is detected and
after POWER OFF, the output goes “Hi” temporarily.
“Hi”: ACC ON or during CD loading or eject action.
“Hi”: POWER ON mode except ALL OFF mode.
“Hi”: When momentary power down detected or BU OFF, “Lo”: BU ON
7
KDC-5080R/RY,6016R
TEST MODE
•TEST MODE SPECIFICATIONS
(1) How to enter the test mode
While holding the FM and Preset 6 keys simultaneously,
reset the unit.
All indicators and display segments are ON at the start
of test mode.
(2) How to exit from the test mode
Reset the unit.
(Note) The test mode cannot be canceled by turning
Acc OFF, power OFF or momentary power down.
(3) Test mode specifications of the CD receiver
Each press of the Track Up key jumps to the following
tracks.
No. 9 ⇒No. 15⇒No. 10⇒No. 11⇒No. 12⇒No. 13⇒
No. 14⇒No. 9 (return to beginning)
Pressing the Track Down key jumps to the previous track
to the track being played.
(4) Audio
•The volume is -10 dB (displayed as 30).
•LOUD is OFF, and CRSC is also OFF whether the func-
tion is provided or not.
•With the Bass/Treble and Balance/Fader controls,
pressing the Up/Down key switch the setting alternately to:
Full Boost ⇒ Full Cut ⇒ Full Boost, Full Right⇒
Full Left ⇒ Full Right, or Full Front ⇒ Full Rear ⇒
Full Front.
•With the high-pass filter, pressing the Up key sets it
to Through/100 Hz/200 Hz and pressing the Down key
sets it to 200 Hz/100 Hz/Through.
•Other adjustments function in the same way as nor-
mal mode.
(5) Backup current measurement
When the unit is reset (backup turned on) while Acc is
OFF or when Acc is turned OFF in test mode, the MUTE
terminal goes on in 2 seconds, instead of 1.5 second.
(The panel, CD, C and MD mechanisms are not activated at this time.)
(6) Security code registration after E2PROM replacement
servicing (E/M type only)
1. Enter the test mode. (See (1) How to enter the test
mode.)
8
2. Press the SRC key to set All OFF.
3. Press and hold the AUDIO key for 1 second to enter
menu mode.
4. Press the FM/AM key to select "SECURITY".
5. Press and hold the Track Up/Down for 2 seconds.
6. Enter the code by pressing the Preset 1, 2, 3 and 4
keys.
Example: To enter "3510",
•Press the Preset 1 key 4 times.
• Press the Preset 2 key 6 times.
• Press the Preset 3 key 2 times.
• Press the Preset 4 key once.
7. Press and hold the DISPLAY key for 3 seconds to
display "APPROVED".
8. Quit the test mode (See (2) How to exit from the test
mode.)
(7) How to clear the simple security code (K type only)
1. While the code is requested, press and hold the DISP
key and press and hold the VOL Up key for 3 seconds.
("----" disappears.)
2. Enter "KCAR" from the remote control unit. (Same
operation as the '98 model)
• Press numeric key 5 twice then press the Track Up
key. (This enters "K".)
• Press numeric key 2 three times then press the Track
Up key. (This enters "A".)
• Press numeric key 2 once then press the Track Up
key. (This enters "A".)
• Press numeric key 7 twice then press the Track Up
key. (This enters "R".)
3. The security is canceled and the unit enters the
TUNER mode.
(8) Other
• The DNPP/SBF key of the remote control unit (RC-
510) functions as the menu mode ON/OFF key.
• The OPEN/CLOSE key of the remote control unit (RC-
510) functions as the audio adjustment mode ON/
OFF key.
• The menu is displayed by displaying only the required
features.
• Message such as "CODE OFF" is not displayed when
power is turned ON.
• The contrast can be adjusted only to 0/5/10 using the
Up/Down keys.
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