Kenwood KDC-M6021/G User manual

This service manual does not include information on the CD mechanism assembly (exploded view, parts list,
schematic diagram or mechanism operation description).
For such information, please refer to the CD mechanism assembly service manual (X92-4460-0x : B51-7891-00).
Antenna adaptor
(T90-0523/0534-05)
Screw set
(N99-1656-05)
Lever
(D10-4589-04)x2
Mounting hardware assy
(J21-9716-03) Escutcheon
(B07-3055-02): KDC-M6021
(B07-3054-02): KDC-M6021G
Plastic cabinet assy
(A02-1486-13)
DC cord
(E30-4958-05)
Front glass
(B10-4195-01) Panel assy
(A64-2606-02)
KDC-M6021G
Front glass
(B10-4179-01) Panel assy
(A64-2601-02)
KDC-M6021
©2002-1 PRINTED IN JAPAN
B51-7894-00 (S) 1928
CD RECEIVER
●
SERVICEMANUAL
KDC-M6021/G
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G
2
BLOCK DIAGRAM
CH
CD MECHA
F/E
FM+B
PLL+B
AM+B
BUFF E-VOL
SYSTEM
MI-COM
DECODER
RDS
MP3
NORMAL
WIRED
OEM DISP
RST IC
DET
FLIP
LCD (NEGA)
MATRIX
KEY
G/R SW RST SW
REMO ON
BACKLIGHT
LCD
W-ILL
DRIVER
LCD REMO
GUIDE
ILL SW
OPEN
OUT
REMO/
BU5VSW5V
SERVO
+B
PANEL
2WAY MUTE
ACC DET
DIMMER
TEL-MUTE
ACC
DIMMER
POWER IC SP OUT
MUTE PRE OUT (FRONT)
MUTE PRE OUT (NF/REAR)
MUTE
DRIVER
OP AMP
SWITCHED
PROTECTION
THERMAL
NOISE
BUFFER
5V
BU DET
SW14V
A8V
CD
MACHA+B
ILLUMI
+B
(for MP3)
EJECT ILL/DSI
(SW AND LED)
EJECT KEY
X89-252
BACK UP
P-CON P-CON
Q45,47
Q46,48
IC7 IC1
& N.C. MPX
IC2
Q52
IC8
Q54 S1
AVR
LCD
ED1
Q7
Q3,4
IC2
Q6
IC1
Q5
Q16,17
Q18
Q14,15
IC11,Q51
Q19-22
Q33
Q34
Q26
Q13 Q11,12
Q55
Q27,29,30,32
IC6
Q43 Q7,8
IC4
Q5,6
Q1,2
IC3,
ANT-CON
DATA C
CH-CON
DATA H
REQ H
RST
CLK
REQ C
CD MECHA+B
SERVO+B
PLL DATA
PLL CLK
M STOP
M RST
SW4
MUTE R
MUTE L
LO/EJ
MOSW
SW2
SW3
SW1
S-METER
IFC OUT
SW5V
3
PANEL DET GUIDE ILL
MP IN
AFS
LEVEL
RDDA
FM
AM
A 8V
(for MP3)
BU5V
A8V 3
2
2
3
10
7
3
SW5V
10
SDA
SCL
AUDIO OUT
7
BACK UP
3
2
O-CLK
O-DATA
O-CE
REMO
RESET
BU5V MUTE
DRIVER
PANEL5V
PANEL5V
5
CD
AM+B
FM+B
S-METER
RDCK
RQUAL
BU5V
5
BU5V
FLIP DET L DATAS L CE L CLK L DATAL L-INH DIMMER-CON EJECT EJECT ILLUMI/DSI ILL ON CD MECHA+B
SW5V
(E) TYPE
CD (MP3,NORMAL)
3600mVCHANGER
FM
AM 1372mV 855mV
3600mV
2
2
BU5V
8
2
2
2
QUAL
S MUTE
REAR L/R
FRONT L/R
AFS
NOISE
N/F SW
PRE MUTE
N/F MUTE
P MUTE
MUTE
BEEP
BU5V
MUTE
DRIVER
P-ON
PANEL5V
SW5V
CH-AUX
MODE
PRE OUT OUTPUT VOLTAGE
DIMMER
PHONE
ACC DET
BU DET
251mV
230mV
1200mV
(MP3,NORMAL)
1200mV
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KDC-M6021/G
3
COMPONENT DESCRIPTION
●SWITCH UNIT (X16-1662-70)
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
IC1 LC75808W LCD driver with key matrix
IC2 RS-171 Remote control sensor IC
Q1 DTA114EUA Key permission SW For the key scanning start and the key detection SW
Q3 2SD2114K Key illumination red SW When a base goes Hi, RED LEDs are turned on.
Q4 2SD2114K Key illumination green SW When a base goes Hi, GREEN LEDs are turned on.
Q5 2SC4081 VLCD AVR For LCD driver IC
Q6 DTA114EUA REMO SW While a base goes Lo, PAN 5V is supplied to the remote control sensor IC.
Q7 2SC4081 Dimmer SW Usually Q7's base goes Hi. When DIMMER mode is selected, pulse
wave shape is applied to Q7's base.
●ELECTRIC UNIT (X25-9202-71)
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
IC1 UPD703030GFA03 System MI-COM.
IC2 TDA7407D E.VOL & N.C.MPX IC
IC3 TC74HC02AF Mute logic 2-input NOR x 4
IC4 TA8273H Power IC
IC6 NJM2123V-TE2 Switched Op. Amp.
IC7 SAA6581T RDS decoder
IC8 S-80837ANNP Reset IC When BU 5V voltage is less than 3.7V, IC outputs Lo.
IC11 SI-8050JD CD+5V AVR DC/DC converter
Q1 DTC143TUA Audio mute SW When a base goes Hi, Front R Ch. pre-out is muted.
Q2 DTC143TUA Audio mute SW When a base goes Hi, Front L Ch. pre-out is muted.
Q5 2SD2114K Audio mute SW When a base goes Hi, NON-F R Ch. pre-out is muted.
Q6 2SD2114K Audio mute SW When a base goes Hi, NON-F L Ch. pre-out is muted.
Q7 DTA124EUA Mute driver for pre-out mute SW When a base goes Lo, Q7 is turned on for driving NON-F mute SW.
Q8 DTA124EUA Mute driver for pre-out mute SW When a base goes Lo, Q8 is turned on for driving Front mute SW.
Q11 2SC4081 BU 5V AVR While BACKUP is applied, BU 5V AVR outputs +5V.
Q12 2SA2057 Q11 and Q12 are inverted Darlington connection.
Q13 2SA1576A SW 5V While a base goes Lo, SW 5V is supplied to the microprocessor
peripheral circuits.
Q14 2SC4081 A.+8V AVR
When Q14's base goes Hi, Q15 is turned on, and A.+8V AVR outputs +8.3V.
Q15 2SA2057 Q14 and Q15 are inverted Darlington connection.
Q16 DTC124EUA A.+8V AVR and SERVO +B AVR ON/OFF control
Q17 DTA124EUA SW14V While Q16's base goes Hi, Q17 is turned on, and A.+8V AVR and
SERVO +B AVR are working.
Q18 2SD2375 SERVO +B AVR When Q18's base goes Hi, SERVO +B AVR outputs +7.6V.
Q19 DTC124EUA ILL +B AVR SW ILL +B AVR ON/OFF control
Q20 DTA124EUA While Q19's base goes Hi, Q20 is turned on, and ILL +B AVR is working.
Q21 2SB1184 ILL +B AVR While Q22's base goes Hi, Q21 is turned on, and AVR outputs +10.7V.
Q22 2SC4081 Q21 and Q22 are inverted Darlington connection.
Q26 DTC144EUA
Small lamp detection SW
When vehicle small lamps turn on, Q26's base goes Hi, and Q26 is
turned on .
Q27 DTC114YUA P-CON SW When Q27's base goes Hi, Q32 is turned on.
Q32 2SB1277(Q,R) or 2SB1434 Works during POWER ON mode.
Q29 DTA124EUA P-CON. protection inhibit SW Prevents Q30 tuning ON during start-up after power ON.
Q30 2SA1576A P-CON. protection SW Protect Q32 by turning ON when P-CON output is grounded.
While BACKUP is applied, a base goes Hi, and Q33 is turned on.
Q33 2SC4081 BU detection SW When momentary power down has detected, a base goes Lo, and
Q33 is turned off.
Q34 2SC4081 ACC detection SW While ACC is applied, a base goes Hi, and Q34 is turned on.
Q42 DTC124EUA E. VOL. mute SW When BU detection SW or MI-COM.'s mute is working, a base goes
Hi, and Q42 is turned on.
Q43 DTC143TUA Noise buffer
Q45 DTC124EUA FM+B SW When Q45's base goes Hi, Q47 is turned on, and A.+8V is supplied to
Q47 2SB1277(Q,R) or 2SB1434 the F/E. Works during FM reception mode or RDS reception mode.
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KDC-M6021/G
4
Q46 DTC124EUA AM+B SW When Q46's base goes Hi, Q48 is turned on, and A.+8V is supplied to
Q48 2SB1277(Q,R) or 2SB1434 the F/E. Works during AM reception mode.
Q51 2SC4081 CD+5V AVR SW When a base goes Hi, CD+5V AVR is working.
Q52 DTC143TUA Composite signal buffer
Q53 DTA114YUA EJECT illumination/DSI SW When a base goes Lo, Q53 is turned on.
Q54 DTA114YUA Guide illumination SW When a base goes Lo, Q54 is turned on.
Q55 2SA1576A Panel 5V SW When a base goes Lo, Q55 is turned on.
Ref.No. Component Name Application/Function Operation/Condition/Compatibility
COMPONENT DESCRIPTION
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KDC-M6021/G
5
●IC1 (ELECTRIC UNIT : X25-9202-71)
Pin No. Pin Name I/O Description Processing Operation
1 L-DATAS O Data line to LCD driver
2 L-CLK O Clock output to LCD driver
3 PLL-DATA I/O Data input/output terminal with F/E
4 PLL-CLK I/O Clock output to F/E
5 AM+B I/O AM+B control Hi: During AM reception
6 FM+B I/O FM+B control Hi: During FM reception, Hi: During FM reception
if with RDS, RDBS
7 CH-CON O Changer control output Lo: Standby mode, Hi: Operation mode
8 CH-RST O Reset output to changers : Reset
9 EVDD - Positive power supply connection terminal Connected to BU 5V lines.
10 EVSS - Ground connection terminal Connected to GND lines.
11 AFS O Noise detection time constant switching terminal Hi: During FM reception, Lo: During FM seek or AF search
12 BEEP O BEEP sound output
13 REMO I Data input from the remote control light sensor or
wired remote control
14 AUX SW I/O CH/AUX inputs selector terminal Not used(N.C.)
15 N/F SW O N/F selector terminal Hi: Rear/N-F pre-outs are selected to Front output.
Lo: Rear/N-F pre-outs are selected to Rear output.
16 IC2-SDA I/O Data line with IC2,CD mechanism MI-COM.
17 IC2-SCL I/O Clock line with IC2,CD mechanism MI-COM.
18 PRE-MUTE I/O Pre-out mute control terminal Lo: When momentary power down detected, when
M-MUTE input is Lo.
19 N/F-MUTE O N-F pre-out mute control terminal
Lo: When momentary power down detected, N-F pre-
outputs selecting or OFF, when M-MUTE inputs is Lo.
20 DIMMER-CON O Dimmer control output Hi: Dimmer OFF, Pulse wave shape: Dimmer ON
21 TEST - Test terminal Not used(Connected to GND lines)
22 SVR O Power IC SVR control output Not used(N.C.)
23 P-MUTE O Power IC mute output Lo: ALL OFF mode, POWER OFF mode, TEL MUTE on
24 P-STBY O Power IC STBY control output Hi: Power IC on, ALL OFF mode, Lo: Power IC off
25 MUTE O Mute control output Lo: Mute off, Open: Mute on
26 SW5V I/O SW5V control terminal Lo: SW5V on, Hi-Z: SW5V off
27 BU DET I Momentary power down detection input
Hi : When momentary power down detected or BU OFF
Lo : BU ON
28 ACC DET I ACC detection terminal Hi: ACC OFF, Lo: ACC ON
29 N.C O Not used(N.C.)
30 DIMMER I Small lights detection input Lo: During vehicle small lamps turn on.
31 N.C O Not used(N.C.)
32 P-CON I/O Power control output Hi-Z: POWER OFF mode, ALL OFF mode, Hi:
POWER ON mode
33 ANT-CON O Antenna control output Hi: During TUNER mode, TI reception mode, last
FM mode
34 RESET I Reset input terminal Lo: System reset
35 XT1 I Sub clock resonator connection terminal Clock count during POWER OFF mode
36 XT2 - Sub clock resonator connection terminal
37 REGC - Capacitor conection terminal for regulator inside microprocessor
38 X2 - Main clock resonator connection terminal
Oscillation: POWER ON mode, Oscillation stop:
POWER OFF mode or momentary power down detected
39 X1 I Main clock resonator connection terminal
40 VSS - Ground connection terminal Connected to GND lines.
41 VDD - Positive power supply connection terminal Connected to BU 5V lines.
42 CLKOUT O Internal system clock output Not used(N.C.)
43 CD MECH +B I/O MP3 CD mechanism power supply control output Lo: Power supply on, Hi-Z: Power supply off
44 P-ON I/O SW14V control terminal Lo: POWER OFF mode, Hi: POWER ON mode
45 O-DATA I/O Data line with the external display device Lo: The model without the external display device
46 O-CLK I/O Clock line with the external display device Lo: The model without the external display device
47 O-CE I/O CE line with the external display device Lo: The model without the external display device
48 N.C O Not used(N.C.)
MICROCOMPUTER'S TERMINAL DESCRIPTION
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KDC-M6021/G
6
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O Description Processing Operation
49 TYPE0 I Destination type selection terminal 0
50 TYPE1 I Destination type selection terminal 1
51 TYPE2 I Destination type selection terminal 2
52 IC2 TYPE0 I IC2 setting terminal Lo: Initial value
53 IC2 TYPE1 I IC2 setting terminal Lo: Initial value
54 PANEL DET I Panel detaching detection input Lo: Panel attached, Hi: Panel detached
Lo: Illmination on, Hi-Z: Illumination off
55 GUIDE ILL O Guide illumination control output Lights-on: Panel tilted
Lights-out: Panel detached
56 M-MUTE L I Mute request (L Ch.) from CD MECHA. MI-COM. Lo: Mute request
57 M-MUTE R I Mute request (R Ch.) from CD MECHA. MI-COM. Lo: Mute request
58 BVDD - Positive power supply connection terminal Connected to BU 5V lines.
59 BVSS - Ground connection terminal Connected to GND lines.
60 M RST O Reset output to CD mechanism MI-COM. Lo: Reset
61 M STOP O Stop request to CD mechanism MI-COM. Lo: Stop mode, Hi: Operation mode
62 N.C O Not used(N.C.)
63 CD SW3 I CD down SW detection input Hi: Chucking
64 LO/EJ I/O CD mechanism loading/Eject switching output Hi: Eject, Lo: Loading, Hi-Z: Stop or Break
65 MOSW O CD mechanism loading motor control output Hi: CD loading/eject action or Break, Lo: other
66 V-ILL CLK I/O Clock line with the D/A converter for variable illumination Not used(N.C.)
67 L INH O INH output to LCD driver IC Lo: When momentary power down detected or
Reset
68 V-ILL DATA I/O Data line with the D/A converter for variable illumination Not used(N.C.)
69 L CE O CE output to LCD driver IC
70 PANEL 5V I/O Panel 5V control terminal Lo: 5V on, Hi-Z: 5V off
71 ILL ON I/O ILL+B control terminal Hi: ILL+B on, Hi-Z: ILL+B off
Lo: Illmination on, Hi-Z: Illumination off
72 EJECT ILL/DSI I/O Eject key illumination control terminal Lights-on at the panel tilted during POWER ON mode
Flashing at the panel detached during POWER ON mode
73 AVCONT O A/D converter reference voltage control output Hi: Active, Connected to AVREF terminal
74 AVDD - Positive power supply connection terminal Connected to BU 5V lines.
75 AVSS - Ground connection terminal Connected to GND lines.
76 AVREF I A/D converter reference voltage input terminal
77 PHONE I PHONE detection input 1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE
78 E2PROM DET I EEPROM detection input Lo: No EEPROM, Hi: EEPROM
79 N.C I Not used(pull down to GND lines)
80 N.C I Not used(pull down to GND lines)
81 FLIP DET I Panel connector removing and installing detection input Lo: Panel attached normally, Hi: Panel detached or tilted
82 N.C I Not used(pull down to GND lines)
83 NOISE I FM noise detection input
84 S-METER I S-meter input from F/E
85 R-DATA I Data input from the RDS decoder IC
86 R-QUAL I Quality input from the RDS decoder IC
87 IFC-OUT I F/E IFC OUT input terminal Hi: Station detected (Vth=2.5V)
88 CH-MUTE I Mute request from changers Hi: Mute request
89 CH-REQH O Request output to changers Lo: Request
90 R-CLK I Clock input from the RDS decoder IC
91 CH-REQC I Request input from changers Lo: Request
92 KEY-REQ I Communication request from LCD driver IC
93 CD SW1 I Loading SW detection input Lo: Loading start
94 CD SW2 I 12cm disc detection SW input Lo: 12cm disc detected
95 EJECT I Eject key detection input Lo: Eject key on
96 CD SW4 I 8cm disc detection SW input Not used(N.C.)
97 CH-DATAC I Data input from changers
98 CH-DATAH O Data output to changers
99 CH-CLK I/O Clock input/output with changers
100 L DATAL I Data input from the LCD driver IC
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KDC-M6021/G
7
7. Audio-related specifications
• A short press of the Q key initiates the audio adjustment
mode.
• Pressing the ∗key on the remote initiates the audio
adjustment mode.
• Fader is selected to the initial item.
• Continuous holding of a remote control key is inhibited.
• Bass, Middle and Treble are adjusted in 3 steps of Min /
Center / Max with the Track Up/Down keys.
• Balance is adjusted in 3 steps of Left Max / Center / Right
Max with the Track Up/Down keys.
• Fader is adjusted in 3 steps of Rear Max / Center / Front
Max with the Track Up/Down keys.
8. Menu-related specifications
• A short press of the MENU key initiates the Menu mode.
• Pressing the DNPP/SBF key on the remote initiates the
Menu mode.
• Continuous holding of a remote control key is inhibited.
9. Backup current measurement
When the unit is reset while ACC is OFF (i.e. by turning
Backup ON), the MUTE terminal goes OFF in 2 seconds in
place of 15 second. (The CD mechanism is not activated at
this time.)
10. Special display when the display is all on
Pressing the Preset keys while the power is ALL OFF
displays the following information.
PRESET 1 Version display
(8 digits, Month/Day/Hour/Minute)
(Display) xxxxxxxx : System microcomputer
PRESET 3
Short press : View power ON time.
(The All OFF period is not counted.)
Long press/hold : Clear power ON time at
the power ON time displaying.
(Display) PON xxxxx Max. 65535 (hours)
z
PRESET 4
Short press : Display CD operation time.
Long press/hold : Clear CD operation time at
the CD operation time displaying.
(Display) CDT xxxxx Max. 65535 (hours)
PRESET 5
Short press : Display CD ejection count.
Long press/hold : Clear CD ejection count at
the CD ejection count displaying.
(Display) EJC xxxxx Max. 65535 (times)
PRESET 6
Short press : Display Panel open/close count.
Long press/hold : Clear Panel open/close count
at the Panel open/close count.
(Display) PC xxxxxx Max. 655350 (times)
TEST MODE
1. How to enter the test mode
While holding the Preset 1 and Preset 3 keys, reset the
unit.
2. How to exit from the test mode
Reset the unit, ACC OFF, power OFF and Panel detached.
(Note) The test mode cannot be terminated by momentary
power down.
3. Initial status in the test mode
• Sources : ALL OFF
• Display : All segments are lit.
• Volume : -10 dB (displayed as "30")
• Loudness : OFF
• CRSC : OFF regardless of the presence of
switching function.
• SYSTEM Q : Flat
• BEEP :
When pressing any keys, the buzzer
generates a beep at any time.
4. Special display in Tuner mode
When any of the following messages is displayed in Tuner
mode, the F/E may be abnormal.
• "TNE2P NG": The EEPROM is set to the default (unstable
values) because the F/E was shipped without passing
through the adjustment process, etc.
• "TNCON NG": Communication with the F/E is not
possible.
5. Forced switching of K3I
Each press of the Preset 6 key in Tuner mode should switch
K3I from AUTO →Forced Wide →Forced Middle →Forced
Narrow →AUTO.
The initial status is AUTO and the display shows these
modes as follows.
• AUTO : FMA
• Forced Wide : FMW
• Forced Middle : FMM
• Forced Narrow : FMN
6. Test mode specifications of the CD receiver
• Forced ejection is inhibited in the reset start operation.
When the unit is reset while a CD is loaded in it, the CD
is not recognized by resetting.
• Each press of the Track Up key jumps to the following
track numbers:
No. 9 →No. 15 →No. 10 →No. 11 →No. 12 →No. 13
→No. 14 →No. 9 (The cycle restarts from here.)
• Each press of the Track Down key jumps to the previous
track number to the track being played.
• When the number of total trucks of the MP3 disc is less
than 9, 1st truck is played.
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KDC-M6021/G
8
TEST MODE
■ Security-related information
1. Forced Power ON mode (All models)
Even when the security (Mask key) is approved, resetting
the unit while holding the ATT and Preset 4 keys makes it
possible to turn the power ON for 30 minutes.
After 30 minutes have elapsed, it is not possible to return
to the previous condition unless the unit is reset again.
2. Method of registration of the security code after
EEPROM (Tuner Unit Ass'y) replacement (Code
security model)
1. Enter the test mode. (See 1. How to enter the test mode)
2. Press the MENU key to enter the Menu mode.
3. When the message "Security" is displayed, press and
hold the Track Up/Down key for 1 second to enter the
security registration mode.
4. Enter the code using the FM/AM/Track Up/Track Down
keys.
• FM key : Number up
• AM key : Number down
• Track Up key : Cursor right shift
• Track Down key : Cursor left shift
5. Hold down the Track Up key for at least 3 seconds and
the message, "RE-ENTER" appears, so once again enter
the code according to Step 4 above.
6. Press and hold the Track Up key for 3 seconds until
"APPROVED" is displayed.
7. Exit from the test mode. (See 2. How to exit from the test
mode)
(Note) All Clear is not applicable to the security code of
this model.
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ABC ED F G IH
1
2
3
4
5
6
7
3
1
2 4
1 36
3768
SRC
ATT
FM
AM
AUD RST 123456 DISP TI
KS1
KS2
KI4
KI1
KI5
KS4
KS3
KI2
KI3
IC2
D5 D6
D7
ED1
D18
D19
D8
D9
D10
D11
D12
D13
D14
D15 D16 D17
D20 D21
18
17
16
2
1
2
15
1
S1
J1
CN1
15
16
1
2
1
17
18
2
S1
J1
CN1
Refer to the schematic diagram for the values of resistors and capacitors.
PC BOARD (Component Side View)
SWITCH UNIT SWITCH UNIT
SWITCH UNIT
(X16-1662-70)
.ON.feR sserddA
CIQ
2B2
SWITCH UNIT
(X16-1662-70)
.ON.feR sserddA
CIQ
1H5
1H3
3H6
4H6
5G3
6H2
7G6
PC BOARD (Foil Side View)
DAUGHTER UNIT DAUGHTER UNIT
X16-1662-70 (J74-1314-02) X89-2522-70 (J74-1325-02) X89-2522-70 (J74-1325-02) X16-1662-70 (J74-1314-02)
910
EB
EB
EB
EB
BE
BE
C7
C8
C9
R20
R9
C1
C2
C3
C4
C5
R27
R29
C6
R18
R19
R28
C10
C11
R23
CP1
R12
R30
R31
R1
R2
R3
R17
R21
R22
R4
R5
R6
R7
R8
R10
R11
R14
R15
R16
1
15
2
16
1
25 26
50
51
75
76
100
ILL-GND
KI5
KS4
VLCD1
L-INH
RST
FLIP DET
ESD-GND
REMO
KI4
KI2
KS2
KS3
KI3
KS1
KI1
L-DATAL
LED+B
L-CLK
L-CE
D-GND
PAN 5V
L-DATAS
DIMMER
Q7
Q3
Q6
Q5
Q4 IC1
D26
Q1
J1
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

RQPN OMLJ K
1
2
3
4
5
6
7
R501 C501
C134
C120
C502
W111
C122
R52
R60
R57
R25
R24
R23
R74 R78
R17
R18
R198
R197
R199
R103
R108
R105
R210
R211
R212
R208
R209
R217
R216 R213 R214
R237 R239
R240
R245
R228
R224
R225
R101
R102
R207
R170
R171 R258 R256
R174
R248 R246
R206
R203
R253
R255
C104
C93
C206
R32
R31
R54
R53
R4 R3 R9 R10
R16 R15
X2
W107/R26
W101
W102
W103
L10
R269
R270 R271
C203
R218
R229
R227
R226
X1
C209
BE EB
EB BE
BE
EB
EBBE
EB
BE
EB
EB
BE
1
4
8
5
1
89
16
17
148
17
814
1
30
80
51 81
100
50
31
12
4
3
15
9
1
161
8
14
1528
PLL
CLK
PLL
DATA
RST
TEST
BU5V
C92
C25
C56
C76
L9
C36
R79
R80
R93
R59
R58
X3
L2
C74
C19 C20
C23
C18
C17
C2C1
C21
C22
C73
C54
C27
C29
C24
C30
C28
C102
C136
C138
C101
C91
C94
C202
C59
C55
C52
C103
C63
C64
C58
C57
C16
C15
C14 C13
L1
R92
L6
L7
L3
R141R142
L8
C62
C61
C60
R84
R85
L11
125
EB
BE
1
4
EB
BE
224
9
13 2
1
8
916
1
96 1
EBBEBE
24 2
23 1
18
17
2
1
11
1012687412
3
1
24
IC5
IC9
D120
IC2
IC7
D102
Q16
Q14
Q13
Q17
Q53
Q3 Q4 Q1
Q8
Q10Q9
Q42
Q2
IC8
D114
IC10
IC11
IC6
IC1
D103
D104
D105
D106
D107
D108
D101
CN4
D18
Q15
Q12
Q18
S1
J1
CN2
D1
CN3
D38
D34
D71
D39
D33
D30
D14
D32
Q32
D44
D42
D41
D45
D46
D47
D6
D2
D4
D5
D17
D12
IC4
WH1
D16
J2
A1
D31
D115
D13
Q47
D19
D35
D36
P1
Q48
D15
Q31
D118
D117
CN1
PC BOARD (Component Side View)
ELECTRIC UNIT
Refer to the schematic diagram for the values of resistors and capacitors.
11 12
ELECTRIC UNIT
(X25-9202-71)
.ON.feR sserddA
CIQ
1N5
2P3
4P2
6N4
7Q5
8M5
11M6
1L2
2L2
8L3
21L5
31M5
41M4
51L4
61L5
71L5
81L5
23N3
24P3
74P4
84P4
35P5
X25-9202-71 (J74-1387-12)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

STU WV X Y AAZ
1
2
3
4
5
6
7
Refer to the schematic diagram for the values of resistors and capacitors. 13 14
PC BOARD (Foil Side View)
ELECTRIC UNIT
(X25-9202-71)
.ON.feR sserddA
CIQ
3W4
5Y3
6Y3
7Y3
11Y5
91T6
02T6
12T6
22T6
62X3
72W3
92V3
03V3
33Y3
43X3
34U3
54U4
64U4
15X6
25T5
45W7
55V6
ELECTRIC UNIT
X25-9202-71 (J74-1387-12)
E
B
EB BEBE
EB
EB
EB
EB
BEBE
EB
EB
EB
BE
EB
EB
BE BEBE
EBEB
BE
C121
R106
C51
C408
C409
C406
C411
R272
R502
C403
C401
C402
R7/W109
R8/W110
R215
C407
R205
C81
C405
C410
C412
C413
R100
R62
C65
R63
R104
R64
C117
C118
TH1
R81
C34
C33
C35
R82
R83
R87
R55
R13
R56
R1
R61
R14
R2
R167 R165
R163
R181
R185
R168
R126
R124
R122
R123
R121
R127
R5
R6
R166
R11
R125
R12
R128
R169
R180
R186
R164
R184
R183
R196
R175
R222
R115
R113
R220
R221
R310
R129
R219
R238
R234
R235
R236
R241
R91
R244
R242
R243
R94
R223
R232
R233
R230
R231
R263
R178
R303
R182
R264
R257
R261
R260 R259
R312
R301
R302
R304
R308
R306
R311
R266 R265
R262
R307
R268 R267
R173
R305
R195
R143
R247
R309
R202
R130
R249
R250
R162
R254
R251
R193R194
R252
R172
R144
R90
C78
C205
C72
C77
C75
C204
C156
C140
C139
C157
C79
C201
C158
C105
C53
C42
C135
C207
C71
C43
C106
C44
C41 R41
R42
R51
R27
R29
R77
R88
R89
R73
R65
R76
R28
C82
C80
C137
R19
R21
R30
R22
R20
W106
C84
C85
C83 C86
C89C90
C88
C87
W108
R86
W100
R45
R46
C107
C208
W104
W105
R204
17
148
D119
D113
D40
IC3
Q21
D23
D28
D24 D22
D26
D3
D25
D21
D27
Q54
Q55
Q11
Q7
Q52
Q29
Q30
Q27
Q20
Q22
Q26
Q19
Q45
Q46
Q51
Q43
Q33
Q34
D37
Q6Q5
Q28
D112
D111
D110
D109
D116
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

ABCDEFG IH
1
2
3
4
5
6
7
CAUTION:For continued safety, replace safety critical components only with
manufacturer’s recommended parts (refer to, parts list). Indicates safety critical
components.To reduce the risk of electric shock, leakage-current or resistance
measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the customer.
DC voltages are as measured with a high impedance voltmeter.Values may vary slightly
due to variations between individual instruments or/and units.
Q18
D118
D117
D116
D119
D120
S1 Q54
D33 D34
D6
Q19 Q20
Q16
Q17
D2
D28
D27
D26
D25
Q11
D31
D30
Q27
Q13
Q26
Q34Q33
D17
Q32
Q29
Q30
Q14
Q15
Q12
D3
D13
D15
D21
D22
D23
D24
D4
D5
D71
D114
D16
D18
D14
D12
SW 14V
CN4
D39 D38
SYSTEM
MI-COM.
P-CON.
SW
WIRED REMO/
OEM DISP OUT
ILL +B
+B AVR
SERVO
A.+8V
AVR
SW 5V
BU 5V AVR
LOGIC
MUTE
P-CON SW
IC
RESET
POWER
IC
ILLUMINATION SW
GUIDE
DETECTION SW
SMALL LAMP
SW
BU DETECTION
SW
ACC DETECTION
B LINE
GND LINE
SIGNAL LINE
P-CON. PROTECTION
INHIBIT SW
D1
J1
D32
Q22 Q21
ILL +B
AVR SW
CN2 CN3
D113 Q55
PANEL
5V SW
P1
D106
/DSI SW
D112
Q53
ILLUMINATION
EJECT
D110 D109 D108 D107
D101D103D105 D102
AVR
to CD MECHA.
PANEL DET SW
PROTECTION
22K
22K
47K
10K
22K
22K
47K
10K
47K
47K
22K
22K
22K
22K
22K
22K
10K
47K
0V
5V
0V
5V 5V
0V
0V
5V
0V
5V
0V
5V
5V
0V
5.0V
0V
0V
5V
0V
5V
0V
5V
3.5V
0V
5.0V
0V
0V
5V
0V
3.5V
0V
5V
5V
0V 5V
0V 0V
5V
5V
0V
5V
0V
0V
5V
5V
0V
5V
0V
0V
5V
0V
5V
0.5/1.6/4.1V
0V
0V
5V
0V
5V
5V
0V
0V
5.0V
0-3.0V
0-4.3V
0V
5V
5.0V
0V
5.0V
0V
5V
0V
5V
0V
0V
5V
5.0V
0V
5V
0V
5V
0V
5V
0V
0V
5V
0V
0V
7.6V
7.6V 4.9V
9.0V
0V
7.6V 1.3V
1.4V
7.6V 4.0V
0V
1.4V
1.4V
7.6V
7.6V
1.4V
7.6V
7.6V
14.4V
14.4V
5V
0V
5.0V
0V
0V
5V
14.2V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V 5V 0V
5V
0V
0V
5V
0V
5V
5V
0V
5V
0V
14.4V
5.0V
14.2V
14.4V
10.5V
8.3V
8.3V
5.0V
7.5V
5.0V5.0V 7.5V
5.0V
10.5V
0V
0V
5.0V
5.0V
0V
5.0V
IC8
IC1
IC4
IC3
ELECTRIC UNIT (X25-9202-71)
10K
32.768KHz
20.0MHz
L10
R21
R20
R22
R19
X1
R254
R255
100K
R249 10K R252 10K
R243 470
R239 470
R240 470
X2
R92
33K
R77
100K
C80
0.01
C75
0.068
R74
R82
1000P
C77
R83 4.7K
3.3u35
C76
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
51
52
53
54
55 56
57
58 59 60
61
62
63
64
65 66
67
68 69 70
71
72
73
74
75 76
77
78 79 80
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
DIMMER
N.C
ACC DET
BU DET
SW5V
MUTE
P-STBY
P-MUTE
SVR
TEST
DIMMER-CON
N/F-MUTE
PRE-MUTE
IC2-CLK
IC2-SDA
N/F SW
AUX SW
REMO
BEEP
AFS
EVSS
EVDD
CH-RST
CH-CON
FM+B
AM+B
PLL-CLK
PLL-DATA
L-CLK
L-DATAS
L-DATAL
CH-CLK
CH-DATAH
CH-DATAC
CD-SW4
EJECT
CD-SW2
CD-SW1
KEY-REQ
CH-RE QC
R-CLK
CH-REQH
CH-MUTE
IFC-OUT
R-QUAL
R-DATA
S-METER
NOISE
N.C
FLIP DET
TYPE2 IC2TYPE0 IC2TYPE1 PANEL DET GUIDE ILL M-MUTEL M-MUTER BVDD BVSS M RST M STOP N.C CD SW3 LO/EJ MOSW V-ILL CLK L INH V-ILL DATA L-CE PANEL 5V ILL ON EJECT ILL/DSI AVCONT AVDD AVSS AVREF PHONE DET N.C N.C
N.C
P-CON
ANT-CON
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLKOUT
CD MECH +B
P-ON
O-DATA
O-CLK
O-CE
N.C
TYPE0
TYPE1
R102 100
R103 10k
R101 10K
0.47u50
C91
22u16
C92
C14
0.22u50
C15
0.22u50
C16
0.22u50
C13
0.22u50
C406 1
R52 22K
220u16
0.01
C53
10u16
C54
100
R51
C56 100u6.3
R54 22K
2.2K
R53
10K
R55
1K
R56
1K
R57
100u16
C57
2.2 1/2W
R59
2.2 1/2W
R58
220u10
C58
0.01
C209
4.7uH
L11
47u6.3
C202
1.5K
R60
100u10
C59
C203 1
47K
C204 22p
22P
C205
C206 1
100K
R257
15K
R258
R269 100
R270 100
R271 100
0.01
100K
R259
100K
R263
100K
R262
100K
R268
R203 1K
C207 0.22
R202 470K
R204 240
R206 1K R207 1K R208 1K R209 1K
R210 2.2k
R211 100
R212 2.2K
R216 100K
R217 100k
R218 100K
R219 100k
2.2K
R220
R221 100K
1000P
R238 100K
R233 1K
R237 470
R235 47K
R130 100K
R236 100K
R232 2.2K
R231 2.2K
R228 1k
R129 100K
R205 100K
2.2k
2.2K
R196 470
R197 470
R198 470
R199
1K
R61
10K
R88
24K
R87
10K
R89
3.3K 1/2W
R93
1K 1/2W
R80
22K
R81
1K 1/2W
R79
C78 0.01
22K
R91
100K
R94
22K
R90
0.1u50
C74
10K
R78
W108
0.01
C71
1u50
C73
R76R73
0.022
C72
2.2K
R256
OUT4+ OUT4- DO SGND IN3 OUT3+ OUT3- OUT2+ OUT1- OUT1+ IN1 TAB OUT2-
5
1
3
7
9
11
13 15
17
19
21
23 25
6 8 10 2 4
PGND
ST-BY
VCC
PGND
RIP
20 22 24 12 14 16 18
PGND
IN2
IN4
AUXIN
VCC
MUTE
PGND
2
1
3 4
1
2
4
3
1
2
R244 4.7K
R245 1K
2.2K R247 2.2M
R248 470
R250 1K
R241 4.7K
R242 470
R251 1K
C201
4 3 5
6
8 7
11
R246
17
16 15
18
47K
R65
45
47
46
72
70
69
67
58
57
61
60 63
64
65
81
E2PROM
R225
R224
85
84
83
86
87
89
88
91
93
94
100
95
99
98
97
FR-
RR+
RR-
FR+
RL+
RL-
FL+
FL-
FL
RL
RR
FR +
2
9
6
VSS
78
5
4
3
10 11 12
1VDD 13
14
18
Q30
Q29
Q27,32
C55
+8V
47
46
45
13 Q19,20
15
BU
BU
Q16,17
Q18
Q14,15
Q11,12
BU
13
+
+
IC8
Q54
Q26
Q33 Q34
90
+B
14
+14V
+14V
+14V
+B
BU BU
BUBU
BU
BU
BU
BUBU
BU
BU BU
+5V
+5V
+5V+5V+5V
+5V
0.01
C79
28
19
18
25
27
+5V
+5V+5V
+5V
+5V
BU
+B +B +B
+8V+8V
+5V
+8V
+5V
+8V +8V
+5V
+5V
+5V+5V+5V
BU5V
BU5V
23
28
27
25 23
1
2
BU BU BU
+B
BU
ACC
GND
B.U.
REAR Lch+
FRONT Lch+
REAR Rch+
REAR Rch-
FRONT Rch+
FRONT Rch-
REAR Lch-
FRONT Lch-
P-ANT
P-CON
15
RR-
FR+
FR-
RL+
FL+
RL-
FL-
RR+
14
+
2200u16
C51 0.01
L1 BU
98
10 7
11 6
12 5
14 3
13 4
215
FUSE
F1 10A
16 1
C52
R105 47K
R108
R106 1.5K
C94 1u50
6.8K
TH1
C93
0.1
470
R181 1K
R168 470
R167 1K
R169 470
R165 1K R184 1K
R166 470
R180 4.7K
R164 1K
0.01
C157
0.01
C156
D OUT
24
+B
Lch
AUDIO
MS DA
SW2
SW1
MS CLK
23 21
22 19 1820
MUTE R
MUTE L
M RST
Rch
GND
100K
17 16 15 13
14
SW4
SW3
M STOP
11
12 10
D5.0V
MOSW
LO/EJ
D GND D GND
BU 5V
D5.0V
6
97
853 4
GND
SERVO
+B
SERVO
1
2
0.01
C120
DGND
ILL G
ILL+B
PANEL
16
17
18 15
L DATAL
DATA
L INH
CONT
RST
REMO
12
13
14 11 10
V-ILL CLK
FLIP DET
L DATAS
L CE
L CLK
97
8546
470
R193
R172 100K
470
R194
R173 100K
+8V
93
94
19
20
3
+8V
R171
R170
100K
4
58 57 60
R174
63
61
2.2K
+B
65
64
70
+B
47K
+5V
+B
R178
4.7K
R182
81
69
20
67
13
100
2
1
R186 240
R183 1K
ESD GND
ILL
EJECT
31
2
95
72
Q21,22
Q55
13
12
11
14
9 8 7 6
4 3 4
8
12
3
6
7 9
11
13
14
+8V+8V
+8V
V-ILL
EJECT
5V
DIM
22K 22K 22K 22K
19
140uH
4.7K
47K
S1
D5V
D5VD5V
BU5V
BU5V
BU5V BU5V
BU5VBU5V
BU5V
BU5VBU5VBU5V
BU5V BU5V
BU5V
BU5V
BU5V BU5V BU5V
BU5V
BU5V
BU5VBU5VBU5V SW5VSW5VSW5V
SW5VSW5V
SW5V
SW5V
SW5V
SW5V
BU5V
BU5V
SW5V
ILLUMI
PHONE
22K
R253 1K
20
13
C208
R266
BU
BU5V
+
+
+
+
+
+
+
+
+
+5V
+
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

JKLMNOP RQ
1
2
3
4
5
6
7
1SS133
Q27 DTC114YUA
DTC144EUAQ26
Q5,6 2SD2114K
MTZJ4.3(B)D115 B30-1567-05
DA204K
D114
SFPB-54VD40
S1JD21-28
IC11
IC8
IMSA-6081D37
2SB1277(Q,R) or
2SB1184
2SD2375
Q21
Q18 DTC124EUA
2SA1576A
2SA2057
Q13,30,55
Q12,15 2SC4081
DTA124EUA
DTC143TUAQ1,2,43,52
MA4062-LD41,42,44
MA4068(N)-M
D13,15,16 MA4047-M
MA4110-L
MA4082(N)-L
MA4091(N)-L
RB160L-40
D12
D6
D5
D4
D3
D2
D1
UPD703030GFA03
IC6
:
IC4
IC3
IC7
IC1
1N5393G-M5
MA4056(N)-M
AM01Z or
IC2
Q51
Q43
Q52
Q5 Q6
Q7
Q42
Q8
Q2Q1
Q46
Q48
Q45
Q47
D36
D35
D14,30-34,38,39,71,117,118
D17,18,35,36,45-47
D101-103,105-110,112,113,116,119,120
Q16,19,42,45,46
Q11,14,22,33,34,51
Q7,8,17,20,29
Q32,47,48
D45 D46
D47 D44
D41
D42
J2
A1
D37
WH1
ANT.
CN1
RDS DECODER
AUDIO
MUTE
SW
AUDIO
MUTE
SW
N.C. MPX IC
E.VOL &
D40
CD+5V
AVR
AVR SW
CD+5V
SW
AM+B
FM+B
SW
SIGNAL BUFFER
COMPOSITE
NOISE
BUFFER
E.VOL.
SW
MUTE
MUTE SW
FOR PRE-OUT
MUTE DRIVER
SWITCHED
OP. AMP.
D115
CORD
RCA
FRONT
N-FADER
REAR/
CN1
2/2
EJECT
S1
J1
X16-
J1
NJM2123V-TE2
S-80837ANNP
TA8273H
TDA7407D
SAA6581T
SI-8050JD
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
TC74HC02AF
2SB1434
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
: DTA114YUAQ53,54
ERA15-02
DSM1SD2 or
:
4.7K 4.7K
22K
22K
22K
22K
4.7K
4.7K
22K
22K
22K
22K
22K
22K
0V
5V
0V
8.3V
4.2V
0-3.5V
5.0V
4.8V
4.3V
4.2V
4.3V
4.2V
4.2V
0V
14.4V
0V
5.0V
5.0V
14.4V
0V
5V
5V
0V
0V
5V
0V
5.0V
2.5V
2.5V
2.5V
2.5V
0V
0V
0V
5.0V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
4.2V
3.6V
0V
0V
4.3V
4.3V
4.3V
4.3V
4.3V
0V
5V
4.3V
4.3V
4.3V
4.3V
4.3V
8.3V
0V
5V
14.4V
8.3V
5.0V
4.2V
IC11
IC2
IC7
IC6
(X89-2522-70)
A
DC CORD
KDC-M6021/G
DAUGHTER UNIT
0.01
220uH
4.7K
360
GND
SW OUT
ON/
VIN
VOS
Rch Lch
4.332MHz
GND Lch Rch GND
C122
0.01
L9
C411
0.01
C117
X3
R45
R14
22K
R144
R143
22K
0.01
28 27 26 25 24 23 22 21 20 19 18 17 16 15
AC OUT L
AC OUT R
OUT LF
OUT RF
OUT LR
OUT RR
VDD
GND
SDA
SCL
S MUTE
QUAL
NC NC
1
2
3
4
5 6
7
8 9
10
11
12
13
14
VREF CREF TAPE L TAPE R CDR CDGND CDL NC AFS AM MPX LEVEL MP IN MP OUT
1
2
3
4
5
6
7
8
QUAL
RDDA
MPX
OSEL
GND
ARI
FILOUT
16
15
14
13
12
11
10
9
RDCK
T57
OSCO
OSCI
VCC
EXTRES
TM
FSEL
2.2K
2.2K
330P
C137
2.2u50
C136 27P
C139
2.2K
R100
R162 4.7K
4.7uH
L6
4.7uH
L7
1K
R141
1K
R142
180
R6
R2 36010u16
C18
22K
R16
R1 360
22K
R3 22K R4
180
R5
10u16
C17
10u16
C22
4.7K
R46
180
R18
10u16
C21 360
R13
22K
R15
180
R17
0.1
C35 0.1 C33
C61 100u25 C62 100u25
220u16
C63
220u16
C64
47K
R64
47K
R63
0.22
C65
47K
R62
0.47u50
C1
0.47u50
C2
0.033
C43
0.47
C41
0.1
C105
4.7K
C106
150P
C44 0.01
10K
R42
4.7K
R41
4.7K
R115
0.01
680P 10u16
27P
C140
47u10
C103
0.01
C104
2.2u50
C101
SDA
C24 0.47u50
C25 47u10
C23 0.47u50
NOISE OUT
RDS OUT
AUDIO OUT
AMIF OUT
S-METER
89
88
7
91
98
99
97
8
21
22
23
24 IF1 GND
IF1 +B
SCL
15
16
18
19
20
17 DIG GND
VDD 5V
OSC GND
OSC GND
OSC GND
OSC GND
371113
8 Rch2 D GND
RST
R124 4.7K
1K
0.01
R122 4.7K
R25 4.7
R24 10
R121 100
R123 4.7K
+
+
REQ H
GND
Rch
A GND
MUTE
CH CON
10
9
11
13
12
B.U
4
3
5
6 A GND
MUTE
CHCON
6
2
BU
78
34
910
REQ C
DATA C
CLK
Lch
DATA H 4
15 26
5
1
RF GND
R23 10
R125 4.7K
R126 4.7K
R127 100
R128 100
+
REQ C
CLK
Lch
DATA H
DATA C
8
W/N
Vt
9
10
11
13
14 IFC OUT
PLL +B
12
3
4
5
6
7
FM ANT
AM ANT
FM +B
AM +B
2
10
13
1112 9
1
L8
52mH
71 REQ H
12
RST
8
1
2
9
9
2345678
5687 432
1
1
5 4 3 1 2
2.2K
86
85
90
R227
R229
R226
C134 C138
C135
+
N-FR
N-FL
FL
FR
Q5,6 Q1,2
+
W111
5
6
3
4
87
84
R113
C405
+
7 6
5
+
17
16
18
20
19
OFF
+B
IC11
Q51
R501
C501
2
1
4.7uH
L2
+5V
+B
+B
+B
+8V+8V
+B
Q45,47
Q46,48
Q42 Q43
Q7,8
N-FR
N-FL
FR
FL
11
83
3 4
+8V
+8V +8V
+8V
BUBUBU
BU
BU BU
FR
FL
RR
RL
BU
BU BU BU
BUBU
+8V+8V+8V
C29 10u16 C27 10u16
R29 10K R27 10K
+ +
R309
12
11
9
10 GND
GND
-
RL
+
R307 10K
10K
10K
R303 10K R305 10K
16
14
13
15
R311R301 10K
FL
-
L
+
10K
R310
R28 C28
RR
8
7
R5
-+
6
10u16
C30
10u16
10K
R312
10K
R30
10K
R308 10K
R104
220
FR
-+
3
4
2
1
VCC
C102 10u16
C107 0.01
R302 10K R306 10K R304 10K
+8V
BU
BU
BU
+8V +8V
+8V
15
VREF
+10.5V
1111L-INH/L-RST
ESD-G
EJECT
EJECT ILL
FLIP DET
D/A CLK/NC
3
1
2
4
55
4
L-DATAS
L-CE
L-DATAL
L-CLK
D/A DATA/NC
6
8
78
6
7
9
10 9 10
16VDD
REMO
D-GND
NC/DIMMER 13RST 12 13
12
15
14 14
ILL-GND
ILL+B 18 17
FLIP DET
D/A CLK/NC
REMO
L-INH/L-RST
L-DATAL
NC/DIMMER
D/A DATA/NC
11 11
+5V
4
5
16 VDD
15
14
13
12 13 12 RST
9
10 9 10
8
14
8
7 L-CE
ILL+B
6
D-GND
ESD-G
ILL-GND
L-DATAS+5V
74 5 L-CLK
62 3
1
13 4 ANT CON
4
3
4
3
RR-
RR+
B
2
1
A
P.CON
1
2
BU
GND
ILLUMI FL-
FR-
FL+
FR+
RL+
RL-
6
5
8
7
ACC
57
68
TEL MUTE BRN
YEL
ORG/WHT BLK
16 1
BLU/WHT
RED
14 3
15 2
P CON
FR+
FL+
FL-
FR-
GRN/BLK
VIOL
VIOL/BLK GRY
BLU/WHT
12 5
WHT/BLK
GRY/BLK
10 8 7
9
611
RR+
RL+
RL-
RR-
GRN WHT
D5V
D5V
D5V
D5VD5V
BU5V
BU5V
SW5VSW5VSW5VSW5V
SW5V SW5V SW5V
SW5V
SW5V
SW5V
SW5V
SW5V
SW5V
SW5V
W102
W103
W101
6
5
7
0.1
C42
+ +
SW5V
IC2
+ +
+ +
+
+
+
+
+ +
+B
+
2SB1184
B
CE
DTC114YUA
DTC143TUA
2SA1576A
2SD2114K
E
C
B
2SB1277
BCE
2SC4081
B
C
E
DTA114EUA
DTA124EUA
DTC124EUA
DTC144EUA
IN
GND
OUT
DA204K
DTA114YUA
1
2
3
TC74HC02AF
1
7
14
8
NJM2123V-TE2
1
8
9
16
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

STUVWXY AAZ
1
2
3
4
5
6
7
J1
D7 D6 D5
D10 D9 D8
D15 D14
D17
D16
D13 D12 D11
S5
VOL-
S6
S17 EQ S18
S22
4
S24
6S26
S21
S23
TI
5
2
S20
1
S19 SRC S2
S10
AM
FM
S12
S14S13
S11 S16
S8
S25
Q3
1/2
J1
IC1 : LC75808W
IC2 : RS-171
Q1,6 : DTA114EUA or
Q3,4 : 2SD2114K
D21
DIMMER
Q4
Q5
Q6
MA3091-M
D20,21 :
LCD DRIVER WITH
REMOTE
SENSOR IC
Q1
S27
RST
Q7
VOL+
3
S1
ATT
S15
2SC4081Q5,7 :
B30-1605-05D5-17 : B30-1564-05D18,19 :
DISP
D20
B LINE
GND LINE
REMO
SW
RED SW
KEY
VLCD
KEY PERMISSION
SW
X89-
D19
D18
SW
S7
S4S3
S9
D26 B30-1571-05 :
ED1 B30-1089-05:
KEY ILLUMINATION
LCD BACKLIGHT
D26
KEY MATRIX
AVR
GREEN SW
KEY
ILLUMINATION
ILLUMINATION
CONTROL
KRA302
10.5V
5.0V
0V
5V
5.0V
8.5V
6.8V
5.1V
3.4V
1.7V
5.0V
5V
0V
10K
10K
10K
10K
A
IC1
IC2
(X16-1662-70)
ED1 (SEGMENT) ED1 (COMMON)
2
5
7
13
3
9
6
11
12
14
15
16
LED+B
ESD GND
L CLK
L CE
RST
L DATAS
L DATAL
DIMMER
L INH
REMO
NC
FLIP DET
330
R17
360
R22
KS3
KS2
KS1
KI1
KI2
KI3
KI4
1K
10K
R15
KI1
KI4
KI3
KI2
4.7
R11
KI5
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
27
26
1
2
3
4
5 6
7
8 9
10
11
12
13
14
15 16
17
18 19 20
21
22
23
24
25
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
KS5
KS4
KS3
KS2
KS1
COM1
COM2
COM3
COM4
COM5 COM6
COM7
COM8 COM9
COM10
S60 S59 S58
S57
S56 S55
S54
S53
S52
S51
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25
KI5
REMO
RED
GREEN
KEY
VDD
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
VSS
TEST
OSC
INH
DO
CE
CL
DI
S4
S3
S2
S1
S10
S8
S7
S6 S5 S9
S15 S14 S13
S12
S11
S20 S19 S18 S17 S16
S21
S22
S23
S38
S34
S32
S31
S33
S36
S35
S37
S46
S42
S40
S39
S41
S44
S43
S45
S47
S50
S30
S29
S60 S59 S58
S57
S56 S55
S54
S53 S52
S51
C4
C1
C8
C2
C3
C7
C5 C6
KS1
KS4
KS2
KS3
0.01
10K
R16
R5
C4 0.1
C3 0.1
R4
C2 0.1
R3
C5
100
R9
2.2
C7
S49
S48
S25 S24
S50
S46
S47
S48
S49
28
29
30
31
32
S28
S27
S26
79 KI3
78 KI2
KI4
80
KI1
77 KS6
76
KI5
84
83
8
PAN 5V
R10
CP1
R8 22K
97
98
99
100
97
98
99
100
C1
43K
GND2
VCC
4
3
GND1
OUT
1
2
R18
330
R19
330
R20
510
R21
360
84
83
270
R23
KS4
DI
3.9K
R6
2.2K2.2K2.2K
R2
2.2K
DI
C6
R7 22K
750
ILL GND
10K
R28 10K
R27
0.01
+B
Q6
+10.5V
+5V +5V
R12
0.1
0.01
+10.5V +10.5V +10.5V
+10.5V
+B
+B
1
D GND 4
NC 10 R14 1K
47K
R29
0.01
C9
0.01
C8
C11 C10
4.7K
R31
4.7K
R30
85
85
D5-19
D20,21
9
7
5
3
5
3
7
9
470x4
680P
R1
IC2
SEG17
S1
SEG1
SSEG9
SEG5 SEG3
SEG4
SEG2
SEG8
SEG7
SEG6
S5 S3
S2
S4
S6 S8
S7
SEG13
SEG12
SEG11
SEG10
SEG14
SEG15 SEG16
S9
S10
S11
S12
S14
S13 S15 S16
SEG34
S42
S38 S39
S41
S40 S35 S36
S37
SEG42 SEG40 SEG41 SEG39 SEG38 SEG36 SEG37 SEG35
S33
S34 SEG33
S32
43
SEG25
39
SEG21
SEG20 SEG19 SEG18
37 38
SEG22
SEG23
SEG24
41 40 42
S17
S18 S20 S19
S21
S22
S23
S24
SEG26
SEG27
SEG28
45 44 46
SEG32
SEG31
SEG30 SEG29
47 48 50 49
S28 S26 S25
S27
S30 S29
S31
51 52 53 54 56 55 57 58 59 60 62 61 63 64 65 66 68 67
9
10
17
18 15 16 13
14
12
11
S52
S51
S55
S54
S53 S58 S59
S57
S56 S60
SEG57 SEG59 SEG58 SEG60
32
34
33 36 35 29 30
31
26 25 28
27
SEG51 SEG53 SEG55 SEG54 SEG56 SEG52
19 20
22
21
24
23
SEG47 SEG49 SEG48 SEG50 SEG45 SEG46 SEG44 SEG43
S49 S50 S48
S47
S45 S46
S44
S43
C6
C1
C2
C3 C5
C4 C7
C8
SEG17
SEG1
SSEG9
SEG5 SEG3
SEG4
SEG2
SEG8
SEG7
SEG6
SEG13
SEG12
SEG11
SEG10
SEG14
SEG15 SEG16
SEG34 SEG42 SEG40 SEG41 SEG39 SEG38 SEG36 SEG37 SEG35 SEG33
43
SEG25
39
SEG21
SEG20 SEG19 SEG18
37 38
SEG22
SEG23
SEG24
41 40 42
SEG26
SEG27
SEG28
45 44 46
SEG32
SEG31
SEG30 SEG29
47 48 50 49 51 52 53 54 56 55 57 58 59 60 62 61 63 64 65 66 68 67
5 9
10
7
8 6 3
4
2
1
17
18 15 16 13
14
12
11
SEG57 SEG59 SEG58 SEG60 COM8 COM7 COM6 COM5 COM4 COM2 COM3
32
34
33 36 35
COM1
29 30
31
26 25 28
27
SEG51 SEG53 SEG55 SEG54 SEG56 SEG52
19 20
22
21
24
23
SEG47 SEG49 SEG48 SEG50 SEG45 SEG46 SEG44 SEG43
5
7
8 6 3
4
2
1
COM8 COM7 COM6 COM5 COM4 COM2 COM3 COM1
CAUTION:For continued safety, replace safety critical components only with manufacturer’s
recommended parts (refer to, parts list). Indicates safety critical components.To reduce the risk
of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts
are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
DC voltages are as measured with a high impedance voltmeter.Values may vary slightly due to variations
between individual instruments or/and units. KDC-M6021/G
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G
EXPLODED VIEW
21
Parts with exploded numbers larger than 700 are not suppied.
AB
1
2
3
WH1
(X25-)
IC4
(X25-)
(X25-)
ED1
(X16-) 288
(X16-)
x2
285
(X16-) 287
(X16-) 286
(X16-)
(X16-)
(X25-)
J2
(X25-)
(X25-)
A
B
C
D
E
F
G
H
J
K
L
FLAT WASHER
RETAINING RING
f 2x5
f 2x8 (BLK)
f 3x5
f 2x5
f 2.6x6 (BLK)
f 2.6x6
f 3x8
f 3x12
f 2.6x6
: N19-2106-04
: N24-3020-46
: N80-2005-46
: N80-2008-45
: N83-3005-46
: N84-2005-46
: N84-2606-45
: N84-2606-46
: N80-3008-46
: N83-3012-46
: N86-2606-46
(X16-)
(X89-)
J1
FC1
701
740
741
781
734
780
708
758 782
759
223
225
257
226
228
231
237
202
213
256 276
278
200
DC1
207
790
795
(X25-)
793
(X25-)
794
(X25-)
796
267
255
266 270
248
264
268
216
269
203
271
214 217
204 230
230
205 229
247 250
265
224
Ex2
222x2
A1
(X25-)
F1
249
227
PA1
235
DME1
D
D
EK
E
E
J
E
KK
K
E
E
L
L
L
E
B
AF
H
G
G
C
C
D
DD
236
242x2
242x2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G PARTS LIST
22
Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗New Parts
Parts without Parts No.are not supplied.
Les articles non mentionnes dans le Parts No.ne sont pas fournis.
Teile ohane Parts No.werden nicht geliefert.
E1: KDC-M6021 E6: KDC-M6021G indicates safety critical components.
266 3A ∗K25-1409-03 KNOB (PRESET)
267 3A ∗K25-1410-03 KNOB (SRC)
268 3A ∗K25-1411-03 KNOB (ATT)
269 3A ∗K25-1412-03 KNOB (FM/AM)
270 3A ∗K25-1413-03 KNOB (DISP)
271 3A ∗K25-1414-03 KNOB (VOL)
276 1A N99-1656-05 SCREW SET
A 3B N19-2106-04 FLAT WASHER (1.4X3X0.25)
B 3B N24-3020-46 E TYPE RETAINING RING (2X5X0.4)
C 3A N80-2005-46 PAN HEAD TAPTITE SCREW
D 2A N80-2008-45 PAN HEAD TAPTITE SCREW
E 1B N83-3005-46 PAN HEAD TAPTITE SCREW
F 3B N84-2005-46 PAN HEAD TAPTITE SCREW
G 3B N84-2606-45 PAN HEAD TAPTITE SCREW
H 3B N84-2606-46 PAN HEAD TAPTITE SCREW
278 1A T90-0523-05 ANTENNA ADAPTOR
278 1A T90-0534-05 ANTENNA ADAPTOR
DME1 1B ∗X92-4460-00 MECHANISM ASSY (DXM-6400W)
285 2A ∗B11-1367-04 OPTICAL DIFFUSER
286 2A ∗B11-1366-04 REFLECTION SHEET
287 2A ∗B19-2135-03 LIGHTING BOARD
D5-17 B30-1605-05 LED (2COLOR PG/RED)
D18,19 B30-1564-05 LED (1608,BLUE)
D20,21 B30-1571-05 LED (WHITE)
ED1 2A ∗B38-1089-05 LIQUID CRYSTAL
C1 CC73GCH1H681J CHIP C 680PF J
C2-5 CK73GB1C104K CHIP C 0.10UF K
C6 CK73GB1H103K CHIP C 0.010UF K
C7 CK73FB1A225K CHIP C 2.2UF K
C8-11 CK73GB1H103K CHIP C 0.010UF K
288 2A ∗E29-1882-04 CONDUCTIVE RUBBER
J1 E59-0829-05 RECTANGULAR PLUG (16P)
CP1 R90-1016-05 MULTI-COMP 470 X4
R1 RK73GB2A433J CHIP R 43K J 1/10W
R2-5 RK73GB2A222J CHIP R 2.2K J 1/10W
R6 RK73GB2A392J CHIP R 3.9K J 1/10W
R7,8 RK73GB2A223J CHIP R 22K J 1/10W
R9 RK73GB2A101J CHIP R 100 J 1/10W
R10 RK73GB2A102J CHIP R 1.0K J 1/10W
R11 RK73GB2A4R7J CHIP R 4.7 J 1/10W
R12 RK73GB2A751J CHIP R 750 J 1/10W
R14 RK73GB2A102J CHIP R 1.0K J 1/10W
R15,16 RK73GB2A103J CHIP R 10K J 1/10W
R17-19 RK73FB2B331J CHIP R 330 J 1/8W
R20 RK73FB2B511J CHIP R 510 J 1/8W
R21,22 RK73FB2B361J CHIP R 360 J 1/8W
R23 RK73FB2B271J CHIP R 270 J 1/8W
R27,28 RK73GB2A103J CHIP R 10K J 1/10W
R29 RK73GB2A473J CHIP R 47K J 1/10W
R30,31 RK73GB2A472J CHIP R 4.7K J 1/10W
KDC-M6021/G
SWITCH UNIT (X16-1662-70)
200 1A A02-1486-13 PLASTIC CABINET ASSY
202 1B ∗A52-0806-02 TOP PLATE
203 3A ∗A21-4172-04 DRESSING PANEL
204 3A ∗A21-4173-03 DRESSING PANEL E6
204 3A ∗A21-4174-03 DRESSING PANEL E1
205 3B ∗A22-2932-02 SUB PANEL ASSY
207 2A ∗A46-1754-01 REAR COVER
PA1 3A ∗A64-2601-02 PANEL ASSY E1
PA1 3A ∗A64-2606-02 PANEL ASSY E6
213 1A B07-3054-02 ESCUTCHEON E6
213 1A B07-3055-02 ESCUTCHEON E1
214 3A ∗B10-4179-01 FRONT GLASS E1
214 3A ∗B10-4195-01 FRONT GLASS E6
216 3A ∗B19-2138-03 LIGHTING BOARD
217 3A B43-1284-04 BADGE
- B46-0100-50 WARRANTY CARD
- B46-0612-14 ID CARD
-∗B64-2246-00 INST. MANUAL (ENGLISH)
-∗B64-2247-00 INST. MANUAL (FRE,GER,DUT)
-∗B64-2248-00 INST. MANUAL (ITA,SPA,POR)
222 1A D10-4589-04 LEVER
223 3B ∗D10-4666-04 LEVER (LOCK)
224 3B ∗D10-4667-04 LEVER (PUSH)
225 3B ∗D10-4668-04 LEVER (REL R)
226 3B ∗D10-4669-03 LEVER (REL L)
227 3B ∗D10-4673-04 LEVER ASSY
228 3B ∗D13-2232-04 GEAR
229 3B ∗D21-2404-04 SHAFT
230 3B ∗D21-2405-04 SHAFT
231 3B ∗D39-0255-05 DAMPER
235 3A ∗E29-1881-02 CONDUCTIVE RUBBER
236 1B ∗E30-6103-05 CORD WITH PINPLUG
237 1B ∗E30-6081-05 CORD WITH DIN CONNECTOR
DC1 1A E30-4958-05 DC CORD
FC1 1A ∗E39-0438-05 FLAT CABLE
242 1B F29-0049-05 INSULATING COVER
F1 2B F52-0006-05 FUSE (MINI BLADE TYPE) (10A)
247 3B ∗G01-3128-04 EXTENSION SPRING
248 3A ∗G01-3129-04 COMPRESSION SPRING (RELEASE)
249 3B ∗G02-1425-04 FLAT SPRING
250 3B ∗G02-1426-04 FLAT SPRING
-∗H10-4807-12 POLYSTYRENE FOAMED FIXTURE
- H25-0337-04 PROTECTION BAG (180X300X0.03)
- H25-1111-04 PROTECTION BAG (280X450X0.03)
-∗H54-2364-03 ITEM CARTON CASE E1
-∗H54-2532-03 ITEM CARTON CASE E6
255 3A ∗J19-5138-02 HOLDER
256 1A J21-9716-03 MOUNTING HARDWARE ASSY
257 3B ∗J21-9809-04 MOUNTING HARDWARE ASSY
264 3A ∗K24-3831-04 KNOB (RELEASE)
265 3B ∗K24-3832-04 KNOB (EJECT)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G
PARTS LIST
23
Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗New Parts
Parts without Parts No.are not supplied.
Les articles non mentionnes dans le Parts No.ne sont pas fournis.
Teile ohane Parts No.werden nicht geliefert.
E1: KDC-M6021 E6: KDC-M6021G indicates safety critical components.
D26 MA3091-M ZENER DIODE
IC1 LC75808W MOS-IC
IC2 RS-171 ANALOGUE IC
Q1 DTA114EUA DIGITAL TRANSISTOR
Q3,4 2SD2114K TRANSISTOR
Q5 2SC4081 TRANSISTOR
Q6 DTA114EUA DIGITAL TRANSISTOR
Q7 2SC4081 TRANSISTOR
D114 B30-1567-05 LED (1608,RED)
C1,2 CE04NW1HR47M ELECTRO 0.47UF 50WV
C13-16 C90-5296-05 NP-ELECT 0.22UF 50WV
C17,18 CE04NW1C100M ELECTRO 10UF 16WV
C21,22 CE04NW1C100M ELECTRO 10UF 16WV
C23,24 CE04NW1HR47M ELECTRO 0.47UF 50WV
C25 CE04NW1A470M ELECTRO 47UF 10WV
C27-30 CE04NW1C100M ELECTRO 10UF 16WV
C33 CK73FB1H104K CHIP C 0.10UF K
C35 CK73FB1H104K CHIP C 0.10UF K
C41 CK73GB1A474K CHIP C 0.47UF K
C42 CC73GCH1H151J CHIP C 150PF J
C43 CK73GB1H333K CHIP C 0.033UF K
C44 CK73GB1H103K CHIP C 0.010UF K
C51 CK73GB1H103K CHIP C 0.010UF K
C52 C90-5235-05 ELECTRO 2200UF 16WV
C53 CK73GB1H103K CHIP C 0.010UF K
C54 CE04NW1C100M ELECTRO 10UF 16WV
C55 C90-2866-05 ELECTRO 220UF 16WV
C56 CE04NW0J101M ELECTRO 100UF 6.3WV
C57 CE04CW1C101M ELECTRO 100UF 16WV
C58 CE04CW1A221M ELECTRO 220UF 10WV
C59 CE04NW1A101M ELECTRO 100UF 10WV
C61,62 C90-2963-05 ELECTRO 100UF 25WV
C63,64 ∗C90-5418-05 ELECTRO 220UF 16WV
C65 CK73GB1A224K CHIP C 0.22UF K
C71 CK73GB1H103K CHIP C 0.010UF K
C72 CK73GB1E223K CHIP C 0.022UF K
C73 CE04NW1H010M ELECTRO 1.0UF 50WV
C74 CE04NW1H0R1M ELECTRO 0.1UF 50WV
C75 CK73GB1C683K CHIP C 0.068UF K
C75 CK73GB1H683K CHIP C 0.068UF K
C76 CE04NW1V3R3M ELECTRO 3.3UF 35WV
C77 CK73GB1H102K CHIP C 1000PF K
C78-80 CK73GB1H103K CHIP C 0.010UF K
C91 CE04NW1HR47M ELECTRO 0.47UF 50WV
C92 CE04NW1C220M ELECTRO 22UF 16WV
C93 CK73GB1C104K CHIP C 0.10UF K
C94 CE04NW1H010M ELECTRO 1.0UF 50WV
C101 CE04NW1H2R2M ELECTRO 2.2UF 50WV
C102 CE04NW1C100M ELECTRO 10UF 16WV
C103 CE04NW1A470M ELECTRO 47UF 10WV
C104 CK73GB1H103K CHIP C 0.010UF K
C105,106 CK73GB1C104K CHIP C 0.10UF K
C107 CK73GB1H103K CHIP C 0.010UF K
SWITCH UNIT (X16-1662-70)
ELECTRIC UNIT (X25-9202-71)
C117 CK73GB1H103K CHIP C 0.010UF K
C120 CK73GB1H103K CHIP C 0.010UF K
C122 CK73GB1H103K CHIP C 0.010UF K
C134 CC73GCH1H681J CHIP C 680PF J
C135 CK73GB1H103K CHIP C 0.010UF K
C136 CE04NW1H2R2M ELECTRO 2.2UF 50WV
C137 CC73GCH1H331J CHIP C 330PF J
C138 CE04NW1C100M ELECTRO 10UF 16WV
C139,140 CC73GCH1H270J CHIP C 27PF J
C156,157 CK73GB1H103K CHIP C 0.010UF K
C201 CK73GB1H103K CHIP C 0.010UF K
C202 CE04NW0J470M ELECTRO 47UF 6.3WV
C203 CK73GB0J105K CHIP C 1.0UF K
C204,205 CC73GCH1H220J CHIP C 22PF J
C206 CK73GB0J105K CHIP C 1.0UF K
C207 CK73GB1A224K CHIP C 0.22UF K
C208 CK73GB1H102K CHIP C 1000PF K
C209 CK73GB1H103K CHIP C 0.010UF K
C405 CK73GB1H103K CHIP C 0.010UF K
C406 CK73GB0J105K CHIP C 1.0UF K
C411 CK73GB1H103K CHIP C 0.010UF K
C501 CK73GB1H103K CHIP C 0.010UF K
CN1 E40-5066-05 PIN ASSY (9P)
CN2 ∗E41-0168-05 FLAT CABLE CONNECTOR (24P)
CN3 ∗E41-0167-05 PIN ASSY (18P)
CN4 E40-3248-05 PIN ASSY (4P)
J1 2B E58-0863-15 RECTANGULAR RECEPTACLE (16P)
J2 2B E56-0834-05 CYLINDRICAL RECEPTACLE (13P)
WH1 1B E30-4804-05 CORD WITH PLUG (ANTENNA)
L1 L33-1170-05 CHOKE COIL ASSY (140UH)
L2 L40-4795-91 SMALL FIXED INDUCTOR (4.7UH,J)
L6,7 L40-4795-91 SMALL FIXED INDUCTOR (4.7UH,J)
L8 L33-1123-05 LINE FILTER COIL (52mH)
L9 ∗L33-1820-05 CHOKE COIL (220UH)
L10 L92-0075-05 CHIP FERRITE
L11 L40-4795-91 SMALL FIXED INDUCTOR (4.7UH,J)
X1 L78-0821-05 RESONATOR (20MHz)
X2 L77-2738-05 CRYSTAL RESONATOR (32.768kHz)
X3 L77-2002-05 CRYSTAL RESONATOR (4.332MHz)
E 2B N83-3005-46 PAN HEAD TAPTITE SCREW
J 2B N80-3008-46 PAN HEAD TAPTITE SCREW
K 2B N83-3012-46 PAN HEAD TAPTITE SCREW
L 2B N86-2606-46 BINDING HEAD TAPTITE SCREW
R1,2 RK73FB2B361J CHIP R 360 J 1/8W
R3,4 RK73GB2A223J CHIP R 22K J 1/10W
R5,6 RK73EB2E181J CHIP R 180 J 1/4W
R13,14 RK73FB2B361J CHIP R 360 J 1/8W
R15,16 RK73GB2A223J CHIP R 22K J 1/10W
R17,18 RK73EB2E181J CHIP R 180 J 1/4W
R19-22 RK73GB2A223J CHIP R 22K J 1/10W
R23,24 RK73EB2E100J CHIP R 10 J 1/4W
R25 RK73EB2E4R7J CHIP R 4.7 J 1/4W
R27-30 RK73GB2A103J CHIP R 10K J 1/10W
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G PARTS LIST
24
Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗New Parts
Parts without Parts No.are not supplied.
Les articles non mentionnes dans le Parts No.ne sont pas fournis.
Teile ohane Parts No.werden nicht geliefert.
E1: KDC-M6021 E6: KDC-M6021G indicates safety critical components.
ELECTRIC UNIT (X25-9202-71)
R41 RK73GB2A472J CHIP R 4.7K J 1/10W
R42 RK73GB2A103J CHIP R 10K J 1/10W
R45,46 RK73GB2A472J CHIP R 4.7K J 1/10W
R51 RK73GB2A101J CHIP R 100 J 1/10W
R52 RK73FB2B223J CHIP R 22K J 1/8W
R53 RK73GB2A222J CHIP R 2.2K J 1/10W
R54 RK73GB2A223J CHIP R 22K J 1/10W
R55 RK73FB2B103J CHIP R 10K J 1/8W
R56,57 RK73FB2B102J CHIP R 1.0K J 1/8W
R58,59 RD14DB2H2R2J SMALL-RD 2.2 J 1/2W
R60 RK73FB2B152J CHIP R 1.5K J 1/8W
R61 RK73FB2B102J CHIP R 1.0K J 1/8W
R62-65 RK73GB2A473J CHIP R 47K J 1/10W
R73 RK73GB2A223J CHIP R 22K J 1/10W
R74 RK73EB2E103J CHIP R 10K J 1/4W
R76 RK73GB2A473J CHIP R 47K J 1/10W
R77 RK73GB2A104J CHIP R 100K J 1/10W
R78 RK73EB2E103J CHIP R 10K J 1/4W
R79,80 RD14DB2H102J SMALL-RD 1.0K J 1/2W
R81 RK73FB2B223J CHIP R 22K J 1/8W
R82,83 RK73FB2B472J CHIP R 4.7K J 1/8W
R87 RK73FB2B243J CHIP R 24K J 1/8W
R88,89 RK73GB2A103J CHIP R 10K J 1/10W
R90,91 RK73GB2A223J CHIP R 22K J 1/10W
R92 RD14BB2C333J RD 33K J 1/6W
R93 RD14DB2H332J SMALL-RD 3.3K J 1/2W
R94 RK73GB2A104J CHIP R 100K J 1/10W
R100 RK73GB2A222J CHIP R 2.2K J 1/10W
R101 RK73GB2A103J CHIP R 10K J 1/10W
R102 RK73GB2A101J CHIP R 100 J 1/10W
R103 RK73GB2A103J CHIP R 10K J 1/10W
R104 RK73FB2B221J CHIP R 220 J 1/8W
R105 RK73GB2A473J CHIP R 47K J 1/10W
R106 RK73GB2A152J CHIP R 1.5K J 1/10W
R108 RK73GB2A682J CHIP R 6.8K J 1/10W
R113 RK73GB2A472J CHIP R 4.7K J 1/10W
R115 RK73GB2A472J CHIP R 4.7K J 1/10W
R121 RK73EB2E101J CHIP R 100 J 1/4W
R122-126 RK73EB2E472J CHIP R 4.7K J 1/4W
R127,128 RK73EB2E101J CHIP R 100 J 1/4W
R129,130 RK73GB2A104J CHIP R 100K J 1/10W
R141,142 RD14BB2C102J RD 1.0K J 1/6W
R143,144 RK73GB2A223J CHIP R 22K J 1/10W
R162 RK73GB2A472J CHIP R 4.7K J 1/10W
R164,165 RK73EB2E102J CHIP R 1.0K J 1/4W
R166 RK73EB2E471J CHIP R 470 J 1/4W
R167 RK73EB2E102J CHIP R 1.0K J 1/4W
R168,169 RK73EB2E471J CHIP R 470 J 1/4W
R170-173 RK73GB2A104J CHIP R 100K J 1/10W
R174 RK73GB2A222J CHIP R 2.2K J 1/10W
R178 RK73GB2A472J CHIP R 4.7K J 1/10W
R180 RK73EB2E472J CHIP R 4.7K J 1/4W
R181 RK73EB2E102J CHIP R 1.0K J 1/4W
R182 RK73GB2A473J CHIP R 47K J 1/10W
R183,184 RK73EB2E102J CHIP R 1.0K J 1/4W
R186 RK73EB2E241J CHIP R 240 J 1/4W
R193,194 RK73GB2A471J CHIP R 470 J 1/10W
R196-199 RK73EB2E471J CHIP R 470 J 1/4W
R202 RK73GB2A474J CHIP R 470K J 1/10W
R203 RK73GB2A102J CHIP R 1.0K J 1/10W
R204 ∗RK73FB2B241J CHIP R 240 J 1/8W
R205 RK73GB2A104J CHIP R 100K J 1/10W
R206-209 RK73GB2A102J CHIP R 1.0K J 1/10W
R210 RK73GB2A222J CHIP R 2.2K J 1/10W
R211 RK73GB2A101J CHIP R 100 J 1/10W
R212 RK73GB2A222J CHIP R 2.2K J 1/10W
R216-219 RK73GB2A104J CHIP R 100K J 1/10W
R220 RK73GB2A222J CHIP R 2.2K J 1/10W
R221 RK73GB2A104J CHIP R 100K J 1/10W
R224-227 RK73GB2A222J CHIP R 2.2K J 1/10W
R228 RK73GB2A102J CHIP R 1.0K J 1/10W
R229 RK73GB2A222J CHIP R 2.2K J 1/10W
R231,232 RK73GB2A222J CHIP R 2.2K J 1/10W
R233 RK73GB2A102J CHIP R 1.0K J 1/10W
R235 RK73GB2A473J CHIP R 47K J 1/10W
R236 RK73GB2A104J CHIP R 100K J 1/10W
R237 RK73GB2A471J CHIP R 470 J 1/10W
R238 RK73GB2A104J CHIP R 100K J 1/10W
R239,240 RK73GB2A471J CHIP R 470 J 1/10W
R241 RK73GB2A472J CHIP R 4.7K J 1/10W
R242,243 RK73GB2A471J CHIP R 470 J 1/10W
R244 RK73GB2A472J CHIP R 4.7K J 1/10W
R245 RK73GB2A102J CHIP R 1.0K J 1/10W
R246 RK73GB2A222J CHIP R 2.2K J 1/10W
R247 RK73GB2A225J CHIP R 2.2M J 1/10W
R248 RK73GB2A471J CHIP R 470 J 1/10W
R249 RK73GB2A103J CHIP R 10K J 1/10W
R250,251 RK73GB2A102J CHIP R 1.0K J 1/10W
R252 RK73GB2A103J CHIP R 10K J 1/10W
R253 RK73GB2A102J CHIP R 1.0K J 1/10W
R254 RK73GB2A473J CHIP R 47K J 1/10W
R255 RK73GB2A104J CHIP R 100K J 1/10W
R256 RK73GB2A222J CHIP R 2.2K J 1/10W
R257 RK73GB2A104J CHIP R 100K J 1/10W
R258 RK73GB2A153J CHIP R 15K J 1/10W
R259 RK73GB2A104J CHIP R 100K J 1/10W
R262,263 RK73GB2A104J CHIP R 100K J 1/10W
R266 RK73GB2A104J CHIP R 100K J 1/10W
R268 RK73GB2A104J CHIP R 100K J 1/10W
R269-271 RK73GB2A101J CHIP R 100 J 1/10W
R301-312 RK73GB2A103J CHIP R 10K J 1/10W
R501 RK73GB2A102J CHIP R 1.0K J 1/10W
W101-103 R92-1252-05 CHIP R 0 OHM J 1/16W
W108 R92-1252-05 CHIP R 0 OHM J 1/16W
W111 R92-1252-05 CHIP R 0 OHM J 1/16W
S1 S74-0811-05 MICRO SWITCH
D1 ∗1N5393G-M5 DIODE
D2 MA4056(N)-M ZENER DIODE
D3 RB160L-40 DIODE
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G
PARTS LIST
25
Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on Ref.No. Parts No. Description
A
d
d
A
d
d
N
e
w
Dest
inati
on
∗New Parts
Parts without Parts No.are not supplied.
Les articles non mentionnes dans le Parts No.ne sont pas fournis.
Teile ohane Parts No.werden nicht geliefert.
E1: KDC-M6021 E6: KDC-M6021G indicates safety critical components.
Q30 2SA1576A TRANSISTOR
Q32 2SB1277(Q,R) TRANSISTOR
Q32 2SB1434 TRANSISTOR
Q33,34 2SC4081 TRANSISTOR
Q42 DTC124EUA DIGITAL TRANSISTOR
Q43 DTC143TUA DIGITAL TRANSISTOR
Q45,46 DTC124EUA DIGITAL TRANSISTOR
Q47,48 2SB1277(Q,R) TRANSISTOR
Q47,48 2SB1434 TRANSISTOR
Q51 2SC4081 TRANSISTOR
Q52 DTC143TUA DIGITAL TRANSISTOR
Q53,54 DTA114YUA DIGITAL TRANSISTOR
Q55 2SA1576A TRANSISTOR
TH1 PTH9C42BD471Q POSITIVE RESISTOR
A1 2B X86-3342-71 TUNER UNIT
CN1 ∗E41-0169-05 SOCKET FOR PIN ASSY (18P)
J1 E58-0865-05 RECTANGULAR RECEPTACLE (16P)
S1 S70-0877-05 TACT SWITCH
ELECTRIC UNIT (X25-9202-71)
D4 MA4091(N)-L ZENER DIODE
D5 MA4082(N)-L ZENER DIODE
D6 MA4110-L ZENER DIODE
D12 MA4047-M ZENER DIODE
D13 AM01Z DIODE
D13 DSM1SD2 DIODE
D13 ERA15-02 DIODE
D14 1SS133 DIODE
D15,16 AM01Z DIODE
D15,16 DSM1SD2 DIODE
D15,16 ERA15-02 DIODE
D17,18 MA4068(N)-M ZENER DIODE
D21-28 S1J DIODE
D30-34 1SS133 DIODE
D35,36 MA4068(N)-M ZENER DIODE
D37 IMSA-6801 SURGE ABSORBER
D38,39 1SS133 DIODE
D40 SFPB-54V DIODE
D41,42 MA4062-L ZENER DIODE
D44 MA4062-L ZENER DIODE
D45-47 MA4068(N)-M ZENER DIODE
D71 1SS133 DIODE
D101-103 DA204K DIODE
D105-110 DA204K DIODE
D112,113 DA204K DIODE
D115 ∗MTZJ4.3(B) ZENER DIODE
D116 DA204K DIODE
D117,118 1SS133 DIODE
D119,120 DA204K DIODE
IC1 ∗UPD703030GFA03 MI-COM IC
IC2 TDA7407D ANALOGUE IC
IC3 TC74HC02AF MOS-IC
IC4 2B TA8273H ANALOGUE IC
IC6 ∗NJM2123V-TE2 ANALOGUE IC
IC7 ∗SAA6581T ANALOGUE IC
IC8 S-80837ANNP MOS-IC
IC11 SI-8050JD ANALOGUE IC
Q1,2 DTC143TUA DIGITAL TRANSISTOR
Q5,6 2SD2114K TRANSISTOR
Q7,8 DTA124EUA DIGITAL TRANSISTOR
Q11 2SC4081 TRANSISTOR
Q12 2SA2057 TRANSISTOR
Q13 2SA1576A TRANSISTOR
Q14 2SC4081 TRANSISTOR
Q15 2SA2057 TRANSISTOR
Q16 DTC124EUA DIGITAL TRANSISTOR
Q17 DTA124EUA DIGITAL TRANSISTOR
Q18 2SD2375 TRANSISTOR
Q19 DTC124EUA DIGITAL TRANSISTOR
Q20 DTA124EUA DIGITAL TRANSISTOR
Q21 2SB1184 TRANSISTOR
Q22 2SC4081 TRANSISTOR
Q26 DTC144EUA DIGITAL TRANSISTOR
Q27 DTC114YUA DIGITAL TRANSISTOR
Q29 DTA124EUA DIGITAL TRANSISTOR
DAUGHTER UNIT (X89-2522-70)
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

KDC-M6021/G SPECIFICATIONS
FM Section
Frequency Range......................... 87.5MHz-108.0MHz
Frequency Step............................ 50kHz
Usable Sensitivity (S/N:26dB) ...... 0.7µV/75Ω
Quieting Sensitivity (S/N:46dB).... 1.6µV/75Ω
Frequency Response (±3.0dB) .... 30Hz-15kHz
S/N ............................................... 65dB (MONO)
Selectivity (DIN) ........................... 80dB (±400kHz)
Stereo Separation ........................ 35dB (1kHz)
MW (AM) Section
Frequency Range......................... 531kHz-1611kHz
Frequency Step............................ 9kHz
Usable Sensitivity (S/N:20dB) ...... 25µV
LW Section
Frequency Range......................... 153kHz-281kHz
Usable Sensitivity (S/N:20dB) ...... 45µV
CD Section
Laser Diode.................................. GaAlAs (λ=780nm)
Digital Filter (D/A)......................... 8 Times Over Sampling
D/A Converter .............................. 1 Bit
Spindle Speed.............................. 1000-400rpm (CLV 2times)
Wow & Flutter............................... Below Measurable Limit
Frequency Response ................... 10Hz-20kHz (±1dB)
Total Harmonic Distortion............. 0.01% (1kHz)
S/N Ratio...................................... 105dB (1kHz)
Dynamic Range............................ 93dB
Channel Separation ..................... 85dB
MP3 Decode ................................
Compliant with MPEG-1.0/2.0/2.5
AudioLayer-3
AMPLIFIER Section
Preout Level/Load ........................ 1800mV/10kΩ(CD/CD-CH)
(Unbalanced)
Preout Impedance........................ 600Ω
Maximum Power .......................... 50W×4
Power (DIN45324, +B=14.4V) ..... 30W×4
TONE Section
Bass ............................................. 100Hz ±10dB
Middle........................................... 1kHz ±10dB
Treble ........................................... 10kHz ±10dB
General
Operating Voltage ........................ 14.4V
(11V-16V allowable)
Current Consumption ................... 10A
Installation Size (W) ..................... 182mm
(H) ...................... 53mm
(D) ...................... 155mm
Weight .......................................... 1.25kg
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori 7/9, 20129 Milano, Italy
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde,
N.S.W. 2113, Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza,
223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS GULF FZE
P.O. Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
2019 New Pechburi Road, Bangkapi, Huaykwang,
Bangkok, 10320 Thailand
KENWOOD ELECTRONICS SINGAPORE PTE. LTD.
1 Genting Lane, #07-00, Kenwood Building, Singapore 349544
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1,
46300 Petaling Jaya, Selangor Darul Ehsan, Malaysia
KENWOOD CORPORATION
14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501, Japan
KENWOOD SERVICE CORPORATION
P.O. Box 22745, 2201 East Dominguez Street,
Long Beach, CA90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O. Box 55-2791 Paitilla, Plaza Credicorp Bank Panama,
Piso 9, Oficina 901, Calle 50, Panama, Republic of Panama
KENWOOD ELECTRONICS BRASIL LTDA.
Alameda Ministro Rocha Azevedo No. 456,
Edificio Jaú, 10o Andar, Cerqueira César, Cep 0140-001,
São Paulo-SP-Brasil
KENWOOD ELECTRONICS UK LIMITED
Kenwood House, Dwight Road, Watford, Herts,
WD1 8EB, United Kingdom
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker-Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299