Kenwood KDC-CX89 Service Manual page 14

A B
(X32-5340-00)
ELV MOTOR
ELV-
(E56-0825-05)
M 4
1 REQH 5
1
M3
2 GND ELV+
3 BU14V
4 CH-CON J1
5 CH-MUTE (OUTSIDE VIEW)
6 A-GND
7 CH-RST
8 Rch
4 3 2 1
9 REQ
8 7 6 5
10 DATAC
11 DATAH
12 11 10 9
12 Lch
13 CH-CLK 13
(X13-9840-00)
J1
REQH 1
BU+14V
GND 2
2
CN1 CN1
BU14V
BU14V 3 BU 1 1
BU14V
CH-CON 4 2 2 BU
CH-
5 CH-RST
MUTE 3 3 3
Rch
A-GND 6 4 4 R
A-GND
5 5
CH-RST 7
Lch
Rch 8 6 6 L
CH-CON
7 7 7
GND
REQC 9 8 8
GND
GND
DATAC 10 9 9
CH-MUTE
DATAH 11
10 10 44
Lch 12 DATAH
DATAH
CH-CLK 13 11 11 40
DATAC
DATAC
3 12 12 41
HCLK
CH-CLK
13 13 42
REQC
REQC
14 14 43
REQH
R107
REQH 1K
15 15
NC
16 16
4
AVREF0
L.P.S.
LPS
GND
IC7
8 5.0V
VCC
1 CP25
A0
4.7K
2
7
A1
WP
3
A2 6
5 SCL
4
GND 5
SDA
5V
E2PROM
0V
6
7
LOESW
C D
BU BU
SRV+8V S8V
7-8.5V REG
& SW
Q23 A+8V
Q7
BU A8V
A+3.3V
5V REG
Q6
BU+5V
Q11
BU R24
Q3
3.3K
Q10
C71
Q5
Q4
1
22K
22K
AGND
D3 22K
22K
5.0V
BU DETECT IC12
Q24
BUDET
22K 4
OUT
Q2
D2
22K
22K 5
VCC
22K
5.0V
BU5V BU5V
RESET
IC10
COMM
SW 3
NC VDD
S4
5.0V
N
4
VSS OUT
O
Q13
R103
CHCON
10K 22K
CHRST
22K
Q14
R104 22K
7
1K
22K
CH-CON
R105
100K
BU5V
SW5V
HOT
X2
1.0-2.0V R101
12.500MHz
100K
0-5.0V 26
LPS
R121 4.7K 0V 27
LOESW
5.0V
NC
28 5.0V
NC
TOFF
29
OLD : 0V
TOFF
NEW : 5.0V
SRVSEL
30
SRVSEL
SLNSA
31
SLNSA
32
ADJSEL ADJSEL
CP13
100K
33
AVSS
34
NC
35
NC
36
BU5V AVREF1 0V
37
IC2
NC
38
NC SYSTEM CONTROL
39
R47 u-COM
NC
100 5V
40
40 DATAH/SI1 0V
R48 100
41
41 DATAC/SO1
R49 100 42
42 HCLK/SCK1
D10
R50 1K 43
43 REQC
4.7K Q15
44
CHMUTE MUTE ON : 0V
4.7K
SI0/MTL
W2
45
45 MUTE L
SO0/MTR
W6 46
46 MUTE R
47
SCK0 NC
48
NC
49
NC
50
NC
E F
+3.3V
BU
UP & DOWN
PLAY & LOADING :
A8V
Lch
R108 C76 R59
100 10u16 680 R55 18K
L
+
C42 R57 R53
68P 33K 12K
IC9 R63
2.7K
3.3V
Q18
REG
Q17
4.7K
C47
0.01
45 IC4
Q19
L.P.F.
Q16
4.7K
DELAY
3
GND
R32
2 150K
2.43V
46
IN2
MUTE
1 5.0V
R58 R54
IN1
33K 12K
Rch
R109 C77 R60 R56
100 10u16 680 18K
R
+
BU5V
2 5.0V
MGSW
R28 S1
1
1K
17
MG SW
EJSW
S2
R29
1K
18 BU5V
EJ SW
BU5V BU5V
SW+5V
Q20
SW5V
POWER ARM
SW
ON : 0V
OFF : 5.0V
S3
ARMSW
R30
100 5.0V 1K
5V
ARMSW
0V 5.0V
MUTE ON : 0V
SCL
99
CP30 100
NC
OTHER : 0V
98
SCL 98
PLAY : 5.0V
97
SDA 97
SDA
CP24
4.7K
96
CLK 96
5V
95
DATA 95
0V
GND
94 W3
TEST/VPP
R41
100K
93
EEPWR
92
8V/7V 92
CP26
100K
91
TEST2
90
TEST1
7
89
NC
8
88
NC ELV-
87
ELV- 87
0V ELV+
86
ELV+ 86
2.5V or 1.65V SPLO-
85
SP/LO- 85
SPLO+
84
SP/LO+ 84
5V
83
0V REQH 15
82
NC SVDD
81 5.0V
VDD BU5V
80
NC
79
NC
78
NC
77
R36
NC
76 0V 100K
6
ELVADJ
BU5V
G H
+3.3V
SW+3.3V +3.3V
S8V
: 9.0V
7.0V
3.3V REG
R93 R91 R92
120K 30K 13K
5.0V
3.3V
IC11
C79
SPD
1500P
IN OUT
GND
L
5V REG
& SW
1.65V
Q9
PON5V
BU
Q8
R83 R86
13K 13K
C55 C56
330P 330P
R25
Q21
R 4.7K
Q22
22K
22K D11
P5V
CP23
100K
CP21
100K
5.0V
5.0V
1
NC 5V
2 0V
0V
NC
3
NC
4
NC
5
NC
MVDD
6
EVDD
5.0V
7
GND EVSS
8
SON NC
9
NC
5.0V 10
PON
11
R74
PON 5.0V
4.7K
12
LOE/LIM SW
IC5
LIMSW CP20
100K
0V
13
MECHA CONTROL
8EJE SW
u-COM
14
LOE SW
15
12EJE SW
16
NC
17
NC
R73
10K 18
IC/VPP
CP29
100
5.0V 19
MUTE L
5.0V 20
MUTE R
21
NC
22
NC
23
NC
24
NC
25
NC
5V
0V 3.3V
0V 0V
5.0V
R82
100 W5
X3
16.000MHz
D16 RESET
BU5V
I J
S8V
R97 4.7K
MD
IC3
3.2V
5.0V
1.65V
R88
20K
BTL
C80 DC MOTOR
3300P
DRIVER
R89 10K
Q12
22K
D12
22K
P5V
BU5V
CP22
100K
75
5.0V
NC
74
NC
73 5.0V
0V 0V AVREF
72
AVSS
71 5.0V
AVDD
R68
0V
70 10K
A21
R67
10K
69
A20
R66
100K
68
A19
3.3V
CP28
RST
67 100
A18 RST
66 0V
A17 CS
65 CP15
A16
100K
64 0V
AD15
63 0V
AD14
62 0V
AD13
R69 100
61
AD12 AD12
CP16
100
60
AD11 AD11
59
AD10 AD10
3.3V
58
0V AD9 AD9
57
AD8 AD8
56
BVSS
55 3.3V
BVDD +3.3V
CP17
3.3V
100
0V
54
AD7 AD7
53
AD6 AD6
52
AD5 AD5
51
AD4 AD4
CP19 CP18
100 100