Kenwood KDC-4022 Service Manual page 15

F
C3
R41
RF
47K
AMP
C45 0.1
IC1
C44 1000P
C43 2200P
20
F
19
R40 C42
2
820 0.047
18
F
R39 100K
17
C41
W
1000P
16
F
15 2.45V
F
14 0V
2
13
1
12
D1
R38 C40
220K 0.015
11
2.50V
B
10 4.80V
N
9
O 9
8
T 8
7
T 7
6
L 6
5
L 5
4
M 4
CP4
4.7Kx4
3
C
2
L 2
1
D 1
D3
CP3
R53
40V
4.7K
C48
Q6
1.8Kx4
6800P
C50
6800P
R45
10K
D.GND
S.GND
TRK SLED
R51 R32
10K 10K
C51 C37
1500P 0.01
IC3
4ch BTL
DRIVER
2.35V
C49 C38
1500P 0.01
FCS
R47
2.2K R48
79
10K
R34
R33 10K
2
18K
SPDL
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates 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.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual
instruments or/and units.
G
ARF
1
2.50V
VDET
R8 R11
27K 33K
B/TE
R10 C13 C16
100K 270P 330P
C14 R35
4700P 39K
4
R52
D.5V
4.7K
Q5
Q5,6
CURRENT
AMP
TRK IN
17
16
TRK OUT
FCS UP
15
14
FCS DOWN
C61
2.2
S.7.5V
H
C2
2.2
R4
IOP+ IOP-
10
R7 3.6K
Q1
RF
C7 R6
0.1 3.3K
C5
2P
APC
D1
0.95pp
R15
0.91pp
4.7K
2.00V
4.80V
Vref
2.50V
R1
91
CD
E
A
B
F
15
17
16
14
SLED OUT
/LOAD
DM2 (X92- )
M
19
18
SLED IN
LOADING & SLED
/EJECT
MOTOR
DIGITAL LINE
SIGNAL LINE
GND LINE
B LINE
S4
NO
X32-5400-00
X32-5400-01 YES
IC1
IC2
IC3
IC4 :
Q1
SPDL-
Q2
DM1 (X92- )
Q3
M
12 Q4
Q5
13
Q6
SPINDLE
SPDL+
D1
MOTOR
D2
D3
KDC-4022/422/6023 (1/3)
I
KDC-4022/422/6023
DTC143TUA
UN5114
UN5213
UN5216
2SA1036K
2SA1362
2SA1576A
2SC4081
DTA114EUA
DTA124EUA
DTC124EUA
DTC144EUA
CN1
1 VCC
2 VC
0V
3 GND
4 LD
0V
5 VR
0.17V
6 PD
2.69V
7 C+D
2.50V
DAN202U
8 E
2.69V
9 A
2.69V
10 B
2.69V
11 F
0V
12 GND
3.84V
13 FCS+
3.81V
14 TRK+
3.81V
15 TRK-
3.84V DAP202U
16 FCS-
DA204K
DA204U
DTA114YUA
DPU1
(X93- )
OPTICAL
PICKUP
MA142WA
MA142WK
UN5212
RD6.8M
: AN22002AA
: MN6627771KP
: BA5824FP
NJM4580M1
: MCH6101
: 2SA1362(Y)
MCH6101
: DTC124EUA
: DTA143XUA
: 2SC4081
: 2SA1576A
: DAN202U
: MA8051-L
: DA204U
X32-5400-00 (2/2)
J
1
2
3
4
5
6
7
15