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KDC-MP628/MP7028/MP728
MP8029/W7031/W7031Y
1
CN600
2
FM/AM ANT.
W400
KDC-X889/X8529/X789
KDC-W8531/W8531Y/W7531/
W7531Y/MP828/MP7028
AUX R
AUX COMMON
AUX L
FRONT R
GND
FRONT L
3
REAR R
10
GND
REA L
SUB R
11
GND
SUB L
12
KDC-MP728/MP628/MP8029
L707,L707MD
AUX R
AUX COMMON
AUX L
FRONT R
4
GND
FRONT L
REAR/SUB R
11
GND
REA/SUB L
12
(SUB WOOFER)
KDC-W7031/W7031Y
FRONT R
GND
FRONT L
REAR/SUB R
11
GND
REA/SUB L
12
5
(SUB WOOFER)
CAUTION : For continued
safety, replace safety criti-
cal components only with
6
manufacturer's recom-
mended parts (refer to
parts list).
Indicates safety critical
components. To reduce
the risk of electric shock,
leakage-current or resis-
tance measurements shall
be carried out (exposed
parts are acceptably insu-
lated from the supply cir-
cuit) before the appliance
is returned to the cus-
7
tomer.
26
X34-3xxx-xx (1/6)
B
ELECTRIC UNIT (X34-3xxx-xx)
AUX COMMON
TP608
2
1
AUX R
TP609
R643
10
AUX L
TP607
4
3
FRONT L
TP604
R642
P-FL
GND
4.7
TP602
6
5
FRONT R
TP606
P-FR
R641
N.C.
TP605
10
8
7
N.C.
TP601
P-RL
GND
TP611
10
9
N.C.
TP603
P-RR
REAR/SUB R
TP612
12
11
P-NR
REAR/SUB L
TP610
P-NL
1
2
3
L400
∗
TUNER
A1
26
∗
C416
1000P
24
RFGND
23
TP401
2
FMANT
1
D401
C407
22
3
AMANT
L401
0.01
4.7uH
21
TP402
AM+B
20
6
C409
OSCGND
TP400
0.01
19
5
TP403
VT
18
4
TP405
COM+B
17
TP406
TP419
IFC
R405 470
16
TP407
TP420
7
SDA
8
R406 470
15
TP408
TP421
SCL
C410
14
L403
DGND1
9
4.7uH
0.01
13
TP409
VDD5V
12
PLLGND
11
TP410
TP411
SMETER
10
TP422
AMIFOUT
9
TP412
QUALITY
8
TP413
MPX
2
7
DGND2
1
6
TP414
TP415
RDSMUTE
3
5
STDGND
4
TP416
TU-R
R
6
3
TP417
TU-L
L
5
2
TP418
IF+B
4
C412
1
IF1GND
0.01
25
9
RDS DECODER
IC400
5V
R411 2.2K
1
16
31
QUAL
RDCL
0V
15
6
R410 2.2K
2
T57
32
RDDA
14
5
OSCOUT
C403 2.2
2.4V
3
4
VREF
C404 330P
2.4V
4
4.332MHz
MPX
5.0V
5
13
OSEL
OSCIN
9
12
VCC
6
11
GND
EXTRES
0V
7
10
0V
ARI
TM
8
9
∗
FILOUT
FSEL
B
C504
R512
Q500
4.7
330K
7
R504
R513
SPECTRUM ANALYZER
8
BUFFER AMP & AGC
47K
330K
IC500
C500
5
GND
4.7
6
7
D504
R500
8.0V
8
VCC
47K
R520
C505
1
0.01
Q500
SPECTRUM ANALYZER
AGC CONTROLLER
• DC voltages are as measured with a
high impedance voltmeter. Values may
vary slightly due to variations between
individual instruments or/and units.
C
∗
E
D608
D609
5V PREOUT
AMP
C631
P-NL
0.47
A-L
C630
47u6.3
A-G
+
C629
0.47
A-R
P-NR
P-RL
AM+B SW
A8V
Q402
R409
1K
Q403
R404
22K
22K
22K
P-RR
28
5V PREOUT
35
AMP
R407
4.7K
34
R408
4.7K
SW5V
P-FL
128
126
29
A8V
P-FR
∗
R412
L
2.2K
C414
12P
PANEL
MECHA SW
C415
12P
L405
5.0V
4.7uH
TP455
TP454
∗
A
4
0V
3
C506
2
10u16
+
R519
1
10K
CN500
P1
D
∗
∗
W616
W615
∗
C621
R638
R639
C638
10u16
82
12K
1
+
9.4V
∗
K
IC603
SUB
(+REAR)
∗
C620
R632
R633
C637
10u16
82
12K
1
+
∗
∗
W614
W613
∗
∗
W612
W611
∗
∗
C617
R628
R629
C636
10u16
82
12K
1
+
9.4V
∗
J
IC602
REAR
∗
C616
R622
R623
∗
C635
10u16
82
12K
1
+
∗
∗
W610
W609
∗
∗
W604
W608
C634
10u16
C613
R618
R619
+
10u16
82
12K
+
9.4V
∗
I
IC601
FRONT
5V
PRE-
OUT
AMP
C612
R612
R613
10u16
82
12K
+
C633
∗
∗
W603
W607
10u16
+
C298
R381
0.1
47K
11.2896MHz
3.3V
IC305
5.0V
3.3V
3.3V
0V
0V
0V
DAC
5.0V
0V
C366
C299
0.1
0.1
C367
10u16
+
BU5V
40
1 2 3
4 5 6 7
8
9
10
B
E
R640
C622
360
10u16
P-NL
+
Q613
4.7K
Q612,613
PRE-
OUT
MUTE
SW
4.7K
Q612
R631
C619
360
10u16
P-NR
+
Q610,611
PRE-
∗
OUT
H
MUTE
SW
R630
C618
360
10u16
P-RL
+
Q611
4.7K
PREM-L
4.7K
PREM-R
Q610
R621
C615
360
10u16
P-RR
+
R620 C614
360
10u16
P-FL
+
Q609
4.7K
Q608,609
PRE-
OUT
MUTE
SW
4.7K
Q608
R611
C611
360
10u16
P-FR
+
IC3
C378
0.047
4
3
NB
CNTL
2
1.3V
GND
1
5
VIN
VOUT
5.0V
TP303
DAC DIGITAL POWER SU
DAC ANALOG POWER S
IC4
C381
0.047
4
3
NB
CNTL
2
1.3V
GND
1
5
VIN
VOUT
5.0V
TP304
11
12 13
14
15 1
X16-
2/2
J1
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