Kenwood KDC-4022 Service Manual page 14

A
KDC-4022/422/6023
1
CD PLAYER UNIT (X32-5400-00)
2
3
4
CN2
0V
D.OUT 24
4.90V
23
12EJE SW
4.90V
LOS SW 22
CLK 21
0-4.9V
DATA 20
0-4.9V
5
7.80V
A8V 19
3.84V
Lch
18
0V
A.GND
17
3.84V
Rch
16
to CN2
(X25-) 4.90V
MUTE R 15
4.90V
2/3
MUTE L 14
4.90V
A
MRST 13
4.90V
MSTOP 12
4.90V
8EJE SW 11
4.90V
10
4.90V
6
BU5V 9
0V
D.GND 8
BCLK 7
LRCK 6
SRDATA 5
0V
LO/EJ 4
0V
MOTOR 3
7.80V
S7V 2
0V
S.GND 1
7
14
X32-5400-00 (1/2)
B
Rch Lch
C72 C71
470P 470P
IC4
L.P.F.
0V
3.10V 5 4
GND
3.10V 3.10V
6 3
2 3.10V
3.84V 7
7.80V 8 1
VCC
3.84V
C76 C75
2200P 2200P
C62
0.1
C78 C77
0.1 0.1
R92 R91
5.6K 5.6K
A+5V
D2
A+8V
Q4
4.7K
ANALOG
+8V SW
10K
S2
12EJE SW
S1
LOS SW
CP1
100x2
66
68
L
A.GND
R
CP2
100x4
61
62
63
65
∗
S4
8EJE SW
4
3
C
D.GND
4.80V
BU+5V
0V 41
HOT
42
R100 C100
8EJE(SW2)
10 1000P
43
12EJE/SDET(SW3)
R42
4.7K
4.80V 44
LOE/LIM(SW4)
45
PCK/NTLOCK/FCLK/STLD
46
EFM/NFLOCK/CLDCK/STCK
47
SENSE/RESY/FLAG/STOUT
48
CLVS/VDET/CRC
49
DEMPH/TRCRSO/TEXTCRC
4.80V 50
DVDD3
3.0pp
51
X1
5.0pp
52
X2
53
X1
DVSS2
16.934MHz
54
XSUB1
55
0V
XSUB2
4.80V 56
TEST1
4.80V 57
TEST2
58
NC
59
VER/HOR
4.80V 60
DRV MUTE 4.80V
CP5
100Kx4
Q2
DIGITAL
+5V SW
Q3
SW
DOWN & LIMIT
SWITCH
S3
D E
RFENV
C34 0.1
C32 0.1
1.25V
2.40V
1.70V
0V
0.87pp
4.80V
IC2
0-4.8V
CD SIGNAL PROCESSOR
0V
BULT IN
MECHANISM CONTROL
MICRO PROCESSOR
2.40V
2.40V
SBIO
R43
1K
20
IREF
19
PLLF2
18
PLLF
R39
17
RFSW
16
ARF
15 2.4
DSLF
14 0V
AVSS2
13
DVSS1
12
DVDD1
11
DSLB
10 4.80V
LDON
9
BDO
8
OFT
7
NRFDET
6
FBAL
5
TBAL
4
PWM
3
2.35V PC
2
SPL
1
TVD
2.40V
C48
6800P
C50
6800P
IC3
4ch BTL
DRIVER
2.3
FCS
79
2
SPDL