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Kenwood CD-423M-S Service Manual page 10

Multiple compact disc player
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A
B
Q Q
3 7 6 3 1 5 1 5 0
ROTALY SW
1
M
SENSOR PCB
GND
5
5
S1-SW
4
4
+5V
3
3
S3-SW
2
2
S2-SW
1
1
2
DISC1-9
DISC100-200
DISC10-99
RELAY P.C.B.
LOAD/
UNLOAD SW
3
M
LOAD SW
(D40-1515-05) KSM-213CCM
PICKUP (KSS-213C) T25-0061-08
DM+
1
TRACKING COIL
DM
FOCUSING COIL
DM-
2
SLD+
T E
3
L
1 3 9 4 2 2 9 6 5 1 3
LD
SLD
SLD-
SHORT
4
LAND
SLT-SW
5
4
SLT-SW
SW-GND
6
F
C B
PD
A
D
+5V
E
+2.5V
BA17805T
2SA954
2SA1175
2SC2785
UPC7805AHF
5
UN4212
DTA113ZSA
2SA1048
DTA124ESA
2SC2458
DTA143TSA
DTC124ESA
6
UN4112
UN4116
w w w
LB1930M
BA5979S
NJM2115M
17
16
32
7
1
C
D
(X32-377X-XX) (A/5)
1
ROTALY M+
4CH BTL
MOTOR DRIVER
2
ROTALY M-
+7.5V
+7.5V
8
+5V
82
7
+5PUL
1/4W
6
GND
5
DISC-SW
4
S1-SW
3
S2-SW
2
S3-SW
1
DISC-SW2
IC5
DM+
1
DM+
DM-
2
DM-
+7.5V
SLD+
3
SLD+
SLD-
4
SLD-
SLT-SW
R33
5
SLT-SW
CN2
9.1K
RF
1
FE1
2
FE2
3
VC
4
UNLOAD-SW
6
UNLOAD-SW
TE2
5
LOAD-SW
7
LOAD-SW
SW-GND
TE1
6
8
SW-GND
LOADM+
S.S
7
9
LOADM+
LOAD-
10
LOAD-
CN1
C3
FCS-
47u10
1
1
FCS-
FCS-
16
15
TRK-
+
2
2
TRK-
TRK-
15
12
TRK+
3
3
TRK+
TRK+
14
13
IC1
FCS+
4
4
FCS+
FCS+
13
14
(BOTTOM VIEW)
PD
5
5
PD
PD
12
RF AMP
-VPD
6
6
-VPD
-VPD
11
LD
7
7
LD
LD
10
L1
11
2.2V
10
EO
D1
10uH
2.3V
EI
12
GND
9
2.3V
GND
2.5V
9
VC
8
8
GND
E
13
R1 220K
8
F
2.5V
TE
9
9
F
F
8
F
14
2.5V
C
FE-BIAS
7
15
10
10
C
VEE
2.3V
FE
B
16
3.3V
11
11
B
RFO
C
7
A
2.5V
6
12
12
A
B
6
D(B)
D
5
17
2.7V
13
13
D
A
RFE
E
2.5V
4
14
E
B(D)
18
14
2.5V
3
LC/PD
VCC
15
15
VCC
A
5
C
0.2V
2
D
4
2.0V
PD
VC
16
16
VC
R6 220K
3.8V
APC
E
3
Q1
1
19
4.9V
VCC
2
LD
LDON
4.6V
VC
1
20
VCC
+
R157
47K
LASER CURRENT
CHECK LAND
IC1
: CXA1821M
Q1,14
: 2SA954(L,K)
IC2
: CXD2587Q
Q3,4,12,24,25 : DTC124ESA or
IC3
: NJM2115M
UN4212
IC4
: UPC7805AHF or
Q5,6
: DTA143TSA or
BA17805T
UN4116
IC5
: BA5979S
Q7,8,16,17
: 2SD1450(S,T)
IC6
:
UPD784214GF533
Q9
: 2SK246(Y)
IC7
: NJM2100M
Q10
: 2SB1165(R,S)
IC9
: W24258S-70LE or
Q11,20
: 2SC2785(F,E) or
CY62256LL-70
2SC2458(Y,GR)
IC11
: TA8409S
Q15
: 2SA1175(F,E) or
IC12
: LB1930M
2SA1048(Y,GR)
IC13
: UPD780232GCO12
Q18,26
: DTA113ZSA or
IC14
: PST993D-T
UN4119
Q19
: 2SB1640 or
2SB1417(Q,P)
Q23
: DTA124ESA or
UN4112
x
a o
NJM2100M
TA8409S
2SK246
.
i
E
F
CN3
1
2
3
4
5
6
7
8
9
10
+7.5V
C50
220u10
+5V
IC11
+
LOADING
7.5V
5.7V
MOTOR
DRIVE
+5V
AVR
+5V
C51
330u6.3
R116
R117
Q19
3.3K
10K
7.5V
5.0V
6.9V
+7.5V
+7.5V
+5V
+5V
C23
+5V
+5V
C11
0.1
0.47
2.5V
R18
2.4V
1.4V
2.5V
3.3V
D2
15K
26
SERVO
2.4V
BLOCK
40
SE
R17
2.4V
39
FE
OP AMP
A/D
ANALOG SW
CONVERTER
15K
2.5V
38
VC
37
XTSL
+
36
TES1
35
TEST
34
PWM GENERATOR
SERVO DSP
VSS
0.4V
33
PRDR
33
FOCUS PWM
0V
32
FFDR
FOCUS SERVO
32
GENERATOR
0V
31
TRDR
31
TRACKING PWM
TRACKING
0V
30
TFDR
GENERATOR
SERVO
30
0V
29
SRDR
29
SLED PWM
0V
28
SFDR
SLED SERVO
GENERATOR
28
R8
27K
4.9V
27
SSTP
MIRR
SERVO
DFCT
INTERFACE
FOK
Q
Q
3
7
2.5V
26
MDP
26
25
LOCK
24
FOK
23
DFCT
22
MIRR
21
COUT
5.0V
32
C2
220u6.3
FE-B
VR1
22K
+
C22
0.022
+5V
+5V
CD-423M/423M-S/424M (X32-3770-10)
D1,2,6,10,13-21
: 1SS133 or
HSS104
DESTINATION
UNIT No.
D3
: D3SBA20F03 or
COUNTRY
ABB.
RBV-402LFA
U.S.A.
K
0-10
D4
: MTZJ7.5(B) or
CANADA
P
RD7.5JS(B2)
D5
: DLM10C
DPF-J3030 (X32-3770-10)
D7,8,11,12
: S5688B(TPB5)
DESTINATION
UNIT No.
D9
: MTZJ11(B) or
COUNTRY
ABB.
RD11ES(B2)
U.K.
T
0-10
D26
: B30-2493-05
EUROPE
E
ED1
:
16-MT-66GNK
DPF-J5030 (X32-3772-91)
DESTINATION
A1
:
W02-2561-05
UNIT No.
COUNTRY
ABB.
A2
:
W02-1114-15
PX
Y
2-91
u 1 6 3
SIGNAL LINE
y
GND LINE
+B
B LINE
B LINE
B
G
H
DIGITAL
2
OUTPUT
4
8
9
9
OPTICAL
CN4
CN5
A2
1
2
3
4
5
6
7
8
1
2
IC7
COMPERETOR
R86
160K
5.0V
C16
0V
0.1
+5V
ROTARY
Q26
IC12
MOTOR
DRIVE
10
1
NC
+7.5V
VCC
9
2
2
OUT1
7.5V
NC
5.0V
3
3
8
IN1
NC
4
7
IN2
OUT2
6
5
S-GND
6
5
P-GND
+7.5V
+7.5V
+5V
+5V
C14
R23
C15
R25
C5
C24
220u6.3
0.1
1500P
10K
0.047
3.3K
+
2.3V
0.8V
2.5V
2.5V
SIGNAL
DIGITAL
ASYMMETRY
DIGITAL
DIGITAL
CLV
CORRECTOR
PLL
OUT
ERROR
CORRECTOR
CLOCK
D/A
GENERATOR
INTERFACE
EFM
16K
DEMODURATOR
RAM
SERIAL-IN
TIMING
INTERFACE
LOGIC
OVER SAMPLING
SERVO
DIGITAL FILTER
AUTO
SEQUENCER
6
3
1
5
1
5
0
8
9
SUB CODE
PROCESSOR
CPU
INTERFACE
DAC BLOCK
0V
C20
0.01
+5V
IC14
S13
W150
+
NO
YES
S13
W150
NO
YES
S13
W150
YES
NO
m
c o
2
1
.
3
I
J
2
8
9
9
C54
R82
+5V
0.33F5.5
270
4.9V
C53
100u10
+5V
AVR
Q20
C52
C56
1u50
0.01
5.5V
IC7
R81
(1/2)
8
4.7K
1
7.6V
57
5.0V
7
58
4
IC7
(2/2)
+7.5V
+5V
+5V
+5V
IC2
(BOTTOM VIEW)
R114
DSP
47K
(SERVO,DAC
8FS DIGITAL FIL.)
LRCK
61
PCMD
62
BCK
63
EMPH
64
C17
65
5.0V
100u10
XVDD
+5V
+
XTA1 66
2.0V
C18
56P
XTA0
67
0.9V
C19
68
56P
XVSS
69
5.0V
AVDD1
+B
AOUT1
70
2.0V
R37
R39
C27
10K
10K
150P
AIN1 71
2.0V
2.0V
LOUT1 72
2
4
9
8
2
9
9
73
C29
R41
AVSS1
820P
10K
74
AVSS2
C25
R42 10K
C30
330u6.3
LOUT2 75
2.0V
+
820P
AIN2
76
2.0V
R40 10K
C26
330u6.3
AOUT2 77
2.0V
R38 10K
+
78
AVDD2
+B
ANALOG
79
RMUT
0.2V
79
LMUT
80
0.2V
80
R69
10K
+5V
+5V
R70 4.7K
+5V
5V AVR
RESET IC
+7.5V
C87
IC4
47u10
+
5.0V
+
4.9V
+B
C35
0.01
C88
47u10
+
Q18
12.9V
+B
+7.5V
R79
15K
+
4.9V
5.0V
Q15
Q16
Q14
+
-36
Q17
AVR
+
+
R71
47K
-35.8V
36V
36V
Q14
-35.2V
-55.2V

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