Kenwood KDC-MP538U Service Manual page 3

SWITCH UNIT (X16-63xx-xx)
1
2
R79
47K
5.0V 0V
1
0V 51
51 SDA
0V 52
52 SCL
53
NC
54 5.0V or 0V
NC
55
CP13 3.3K NC
56
56 ROTRY2 CW
57
57 ROTRY2 CCW
5.0V or 0V
CP14 3.3K
58
58 ROTRY1 CW
59
59 ROTRY1 CCW
5.0V 60
VCC2
61
4 NC
0V 62
VSS
63
NC
64
NC
65
NC
66
NC
67
NC
TP76
68
NC
69
NC
70
NC 5.0V
CP15
71
1K SC CON
0V 72
KR4 NC
5V
73
KR2 KR2 0V
74
KR1 KR1
5V
75
0V
NC
ESD
GND
4
5
PAN5V-1
71
PAN5V
4
TP45
S4 S5
TI/AUTO EJECT
S1
VOL
S2 S6
VOL
MENU SRC
AUD
5
S3
ESD GND
ESD GND
ATT
C45 C46
100P 100P
5
DGND
1
2
3
CP18
47K
26
5V
0V 2
CP11
100
25
NC
33
24
LED CONT
UNDER/RED
23
FL LAT 23
5V 5V
22
0V 0V 5V
FL BK 22
0V 21
NC
20
LED CONT RTY2/BLUE 20
19
CP19
5V
NC C77
47K
0V 18
100P
NC
17
NC
16
NC
15 5.0V
NMI
∗
14 5.0V
VCC1
IC1
X1
13 12.000MHz
PANEL
XIN
u-COM 12 0V
R74
VSS
1K
11
XOUT
5V
10
0V RESET
9 TP72
NC 10
8
NC
7 0V TP71
CNVSS
5V
6 0V
0V BYTE
5
FL CLK
4
NC
R71
5V 3
FL SI1 3 7
0V
2 100
NC 5
1
REMO
L1 C74
47nH
68P
5V
0V L2 C72
47nH
33P
5.0V
C86
C71
∗
100P
A
18P
6
TP33
5.0V
IC3
3 2
GND1 VOUT
6 4 1
0V
GND2 VCC
5V
0V
S8
REMOTE
CONTROL IC
6
KEY MATRIX
KR
KR1 KR2
KS
KS1 TI AM
KS2 MENU
KS3 AUDIO PLAY
KS4 ATT
KS5 N/A FM
J1 1
ED1
Q11
VFD
1
FILAMENT
VOLTAGE(-)
∗
B TP30
5.0V
0V
IC4
C91
CP21
0.01
1 8 TP91
Q11
A0 VCC 100
2 7
5V
A1 WP
3 6
0V
A2 SCL
3
4 5
GND SDA
TP92
DGND
ROM CORRECTION
PAN5V-1
FL+B
PAN5V
7
2
∗
Q1
2
D1
R1
Top on
∗
FL (L)
Q1
330
TRIANGLE RED
LED SW
48
7
∗
R3
C
Q3
D3 D4
470
Q3
BLUE LED SW
Left of VOL
26
R24 360
R10
D2 D8
470 R25 620
Q4 R26 390
D7 D5
R5
470
Top on
Q4
BLUE LED SW
47 FL (R)
Top on FL &
ATT KEY
R6
Q5
D9 D6
470
Q5
BLUE LED SW
3
24
Under FL
Top on FL
R7
Q6 (CENTER)
D11 D12
470
D16 D13
R12
FLGND
470
20
Q6
BLUE LED SW
(MULTI KEY)
Under
FL (L)
ILL+B
FDC
D18
C47 Under
3
100P
FL (R)
ESD GND
D19
R52
47K
2 4 6 8 10 12 14 16 18 20
3 5 7 9 11 13 15 17 19
(X16-63xx-x)
BLUE LEDs
X34-
1/2 A
J681
RGB LEDs
VISTEON
5V
131 x 23 DOT
0V
0V
5.5V
8.8V
C61
100P
C64
2.2
7
FLGND
7
FDC
2
∗
D
KEY
TOP (L) BLUE
LED SW
D25 D21
2
Q21
R21 360
R22 620
CP7
R23 390
4.7K
20
26
Left of Rotary
RED
24
LED
48
D23 D24
SW
Q22
KEY
TOP (R)
D26 D31
R36 360
R37 620
Q23
R38 390
GREEN
FL LED SW
GND
Top on
ROTARY (R)
D22 D30
R33 360
∗
IC1 :
R34 620
IC3 : PIC95603
IC4 : BR24L04FV-W
R35 390
∗
Q1 :
Q3-6 : DTC143ZUA
Q11 : 2SB1188(Q,R)
D27 Q21-23 : 2SD2351(W)
R29 680
D1 : B30-1566-05
R28 820
D2-9,11-13,16
: B30-1790-05
R27 680
D18,19 : DA204U
D21,23,24,29-31
Under : B30-1799-05
ROTARY (R)
D22,25-28 : B30-1792-05
D40 : UDZW6.8(B)
D28 D29
D41 : UDZW5.1(B)
R32 360
ED1 : GP1210AI
R31 620
R30 390
GND LINE
B LINE
KDC-X592 (2/2)
DESTI- UNIT
CD RECEIVER A B C D IC1
NATION No.
I-K7 J1 X16-6330-01 YES 30626MJPA21GP DTC143ZUA
KDC-MP538U K1 X16-6330-10 YES 30624MGPB78GP DTC143ZUA
KDC-X592 K X16-6330-10 YES 30624MGPB78GP DTC143ZUA
KDC-MP6039 M2 X16-6330-21 YES 30626MJPA22GP DTC143ZUA
KDC-W6041U E3 X16-6332-71 YES YES 30624MGPB78GP DTC143ZUA
KDC-W6141UY E4 X16-6332-71 YES YES 30624MGPB78GP DTC143ZUA
I-K7V J2 X16-6340-01 YES 30626MJPA21GP
KDC-MP6539U M1 X16-6340-21 YES 30626MJPA22GP
KDC-W6541U E1 X16-6342-70 YES YES 30624MGPB78GP
KDC-W6641UY E2 X16-6342-70 YES YES 30624MGPB78GP
SKDC-MP8090U VISTEON X16-6330-11 YES 30624MGPB78GP DTC143ZUA
Q1
2SC4617
2SC4617
2SC4617
2SC4617