Kenwood KDC-MP442U Service Manual page 32

A
KDC-MP442U/MP6043U
/W5544U/W5644UY/X493
1
ANT.
ELECTRIC UNIT (X34-6xxx-xx)
W481
TP480
1
2
3
∗
A480
26
RFGND
2
ANTINPUT
NC
AM+B
OSCGND
VT
COM+B
IFC
SDA
SCL
D-GND
VDD5V
PLLGND
SMETER
AMIFOUT
QUALITY
RDSOUT
3
D-GND2
RDSMUTE
STDGND
R
L
IF+B
IFGND
25
FRONT-END
∗
A481
26
AGND
RFGND
ANT IN
4
NC
AM+B
OSCGND
VT
COM+B
IFC
SDA
SCL
D-GND
VDD5V
PLLGND
SMETER
AMIFOUT
QUALITY
RDS
D-GND2
RDSMUTE
5
STDGND
R
L
IF+B
IFGND
25
FRONT-END
6
WH160
OPEL I/F
REMOTE I/F
7
32
X34-630x-xx (1/5)
B
FRONT-END
A480: For European models
A481: For other models
24
23
C482
0.01 TP496
22
22
21
20
19 TP497
TP485
19
18
17
Q481
C483
17
0.01
16
16
15
C484 R483
15
0.01
14 AM+B
22K
SW
13
Q480
12
11
11
10
10
9
9
TP498
8
7
6
6 22 TP481
5
19 TP484
4
TP486
4
17
3
3
R480
2
TP487
470
16
1
TP488
R481
15
TP490 470
11
10 TP482
TP491
9
TP492
6
TP493
4 TUR
24
TP494
3
23
22
22
∗
C
21
20
19
19
18
17
17
16
16
15
15
14
TP500
13
12
11
C503
11
10
5.0V
270P
10
9
9
0V
8
7
6 TP483
C500
6
C485 0.1
5
4 0.01
4 PON5V
3
TP489
3
2
1
TP495
6 7
24 22 20 18 16
23 21 19 17 15
J520
C
PRE OUT
∗
J420
Q440,442 Q450,451
PRE OUT PRE OUT
MUTE SW MUTE SW
(SUB(+REAR)) (FRONT)
C441 C442 C451
1000P 1000P 1000P
R442 R443 R452
22K 22K 22K
Q440 Q442 Q450
D441
19
Q441
Q441,461
20
PRE OUT
MUTE
5
FSD TP440 DRIVER
FSC
91
2
90
21 3
4
5
TUL
CP501
RDS & RBDS
2.2K
DECODER
22
23
17
IC500
5V
1 16 0V
QUAL RDCL
2 15
R505 C506
RDDA T57
1K 18P
14
OSCOUT
3
4.332MHz
VREF
2.4V
C507
13
4
OSCIN
MPX
4.332MHz 18P
5 12
OSEL VS
6 11
GND EXTRES
7 10
C505
NU TM
0.01
8 9
FILOUT FSEL 5.0V
0V
A8V
∗
D421
6
7
8
Q520
C530
R529
0.22
4.7
PAN5V
SW
14 12 10
13 11 9
X16-
A 2/2
J1
D
Q460,462
PRE OUT
MUTE SW
(REAR)
C452 C461 C462
1000P 1000P 1000P
R453 R462 R463
22K 22K 22K
Q451 Q460 Q462
1
D461
Q461
∗
B
TP460
2
BU5V-1
3
4
5
NOT USED
C304
IC300
0.01
8
1
VCC
A0
7
2
WP
A1
TP301
3 6
A2 SCL TP304
4 5
GND SDA TP302
5
TP303
E2P
MEMORY
5
PON5V
A8V
8
6
9
8 6 4 2
7 5 3 1
E
1 8
2
4
2
10
2
1 8
4 2 27
18
3 7
8
5
27
7
6 9