Kenwood KDC-116S Service Manual page 11

Cd receiver
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S
T
Q Q
(X32-5010-00)
3 7 6 3 1 5 1 5 0
S2 : 12cm DISC
DET.SWITCH
S1 : LOAD DET.
SWITCH
CN2
D.OUT
22
S2
SW2
21
S1
SW1
20
CP1 100
CLK
19
94
DATA
18
93
MECHA
17
5.0V
NC
16
BU+5V
15
D.5V SW
D.GND
14
Q4
R47
10K
T E
L
1 3 9 4 2 2 9 6 5 1 3
CP3 100
MUTE R
13
87
MUTE L
12
86
CP2 100
MRST
11
89
MSTOP
10
91
MOTOR SW
to
MAIN
Q5
UNIT
D2
CN1
Q3
A.+8V
9
2.5V
R107
330
Lch
8
A.GND
7
R108
330
Rch
6
LO/EJ
5
MOTOR
4
S.7.5V
3
S.GND
2
SW3
1
w w w
CAUTION:For continued safety, replace safety critical components only
.
with manufacturer's recommended parts (refer to, parts list).
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.
U
V
C25
C29
0.015
0.1
0V
51
CSEL
52
TEST1
53
TEST2
4.8V
54
IOSEL
0V
5V
5.0V
55
0V
NRST
56
BCLK
57
LRCK
58
SRDATA
59
SUBC
60
SBCK
61
DQSY
62
IC2
DEMPH
0V
63
TX
CD SIGNAL
64
PSEL
PROCESSOR
65
bult in u-COM.
MSEL
5.0V
66
SSEL
67
X1
DVDD1
16.93MHz
68
X1
69
X2
70
DVSS
71
XSUB1
72
XSUB2
73
DVDD2
5.0V
74
NC
75
NC
0V
4.8V
R52
C46
R54
100K
0.047
100K
C85
D3
0.1
Q2
PON SW
A.8V SW
R328
200
8.0V
R125
IC6
20K
(1/2)
R121
R117
8
2.5V
20K
20K
6
7
5
ACTIVE
R102
FILTER
2.5V
3.3K
2.5V
3
2.5V
1
2
4
R122
R118
IC6
20K
20K
(2/2)
R126
20K
S3
DOWN & LIMIT
SWITCH
x
a o
y
DC voltages are as measured with a high impedance voltmeter. Values may
i
Indicates
vary slightly due to variations between individual instruments or/and units.
W
X
8
0V
R36
C26
25
150
1
PLLF
R34
68K
1.8V
24
1.4V
IREF
RF
AMP
23
2.5V
IC1
DSLF
22
0V
DRF
21
ARF
20
2.5V
VREF
19
2.5V
19
RFENV
18
NC
17
NC
16
NC
15
2.5V
TE
15
14
NC
13
FE
NC
12
2.5V
FE
12
11
3.0V
TBAL
11
10
2.5V
FBAL
10
9
5.0V
AVDD3
8
0V
AVSS3
7
NC
6
NC
5
R218
LDON
47K
4
0V
5V
VDET
4
3
0V
0V
RFDET
3
2
0V
OFT
2
1
0V
BDO
1
92
Q
Q
3
7
6
3
GAIN
CONTROL SW
D4
TVD
R76 6.2K
2.0V
5.0V
4ch BTL
2.5V
DRIVER
IC4
C45
0.015
ECS
R77
R78
56K
24K
8.0V
u 1 6 3
.
Y
2
4
9
9
8
C23
ARF
1000P
RF
R11
C5
R12
6.8K
33P
4.3K
C7
C6
0.1
3P
5.0V
0.8Vpp
2.5V
0.1V
1.2Vp-p
0.8Vp-p
0V or 5.0V
2.5V
TE
R17
R19
TE
36K
33K
R18
C16
C18
3.9K
220P
470P
15
FE
C14
4700P
47
1
5
1
5
0
8
9
2
4
LOAD
SLED+
(X92- )
R72
C43
1K
0.015
DM2
M
12
TRK+
11
4.0V
2
4.0V
EJECT
LOADING & SLED
1
SLED-
MOTOR
TRK-
IC1
IC2
IC4
FCS+
IC6
4.0V
27
4.0V
Q1
26
(X92- )
SPDL-
Q2,5
FCS-
DM1
Q3
Q4
M
18
D1,2,4
17
D3
SPINDLE
D5
MOTOR
SPDL+
m
c o
DXM-1062Y
CD MECHANISM
KDC-116S/1018
Z
AA
2
9
9
1
C4
10u6.3
+
APC
Q1
(X92- )
PU1
(T25-0215-05)
2
IOP-
OPTICAL
PICKUP
IOP+
D1
CN1
31
1
D
32
2
B
29
3
C
30
4
A
5
GND
3
6
6
LD
1
7
PD
R5 150
8
VR
9
VC
10
VCC
27
11
F
9
8
2
9
9
28
12
E
27
13
FCS+
2
14
TRK+
1
15
TRK-
4
26
16
FCS-
5
: AN22000AA
: MN662774KG1
: BA5917AFP
: NJM4565MD
: MCH6101
: DTC124EUA
: DTA143XUA
:
2SA1362(Y)
: DAN202U
: DA204U
6
:
MA8051-L
SIGNAL LINE
B LINE
7

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