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AO
DOLBY NOISE REDUCTION UNIT (X30-3000-00)
1
C27
33u10
+
32
C3 820P
R3 47K
34
2
C1 820P
R1 47K
37
C2 820P
R2 47K
39
C4 820P
R4 47K
C28
33u10
+
3
4
ME1
Lch
REV
Rch
REV
HD1
Rch
FWD
Lch
FWD
MODE SW
5
3
C
1
2
94 (TAKE UP)
A
C
K
E
94 (SUPPLY)
A
C
6
K
E
SUB MOTOR
M
X13-
CN1
X14-
MAIN MOTOR
CN2
M
2/4
E
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
7
!
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.
AP
R7
P.B
430K
C5
R11
0.012
12K
3.5V
3.7V
0V
3.7V
R5
150
31
NFI(L)
3.7V
32
RIN(L)
C14
1u50
3.7V
33
RIP
+
3.7V
34
FIN(L)
35
GND
0V
36
GND
3.7V
37
FIN(R)
EQ,DOLBY
0V
38
VREF
3.7V
39
RIN(R)
R6
150
40
NFI(R)
0.2V
3.7V
3.5V
3.7V
C6
R12
0.012
12K
R8
P.B
430K
0V
CN1
5
5
32
4
4
39
3
3
37
2
2
34
1
1
5
0.6V
CN3
9
9
8
8
11
7
7
13
6
6
12
5
5
7
4
4
10
R17
3
3
120
2
2
9
1
1
CN4
4
4
10
CM2
3
3
2
2
2
1
1
CM1
AQ
2.2V
3.7V
3.7V
R25
1.6K
20
MS GVR
19
3.7V
MAOUT
18
3.7V
MSI
17
3.7V
MSDET
16
7.6V
VCC
PLAY
: 0V
DPSS
: 4.7V
IC1
15
MSOUT
PLAY
DPSS
14
S/R-MSGV
FWD
: 0V
REV
: 4.7V
MTL OFF :
0V
13
MTL ON
:
4.7V
F/R
12
120/70
11
NR ON/OFF
DB NR OFF
DB NR ON
MUTE OFF :
0V
3.7V
2.2V
MUTE ON
:
4.7V
IC2
MOTOR DRIVER
0.6V
1.7V
0.8V
0.8V
0V
4.2V
R20
680
+
C22
0.01
R24
100
Q4
1
+
R18
22K
Q5
10K
4
10K
AR
IC1 : HA12216F
IC2 : LB1641
Q1 : DTC144EK
Q2 : DTA144EK
Q4 : 2SB1443
Q5 : DTC114EK
C13
D1 : AMO1Z
0.47u50
D2 : 02CZ4.3-X
+
C12
SIGNAL LINE
0.01
R14
220K
C17
0.039
Q2
15
47K
Q1
: 4.3V
: 0V
47K
47K
47K
14
13
+
12
11
:
0V
:
4.7V
CN2
1
1
B.U
2
2
SRV+B
3
GND
4
4
MMT
5
5
SMT2
6
6
6
SMT1
7
7
PON5V
8
DGND
9
9
RREEL
10
10
FREEL
11
11
MODE3
12
12
MODE2
13
13
MODE1
S1
14
PACK DET
PACK IN SW
15
EQMUTE
14
16
MSC
15
17
MUSIC
13
18
F/R
12
19
MTL
11
20
DOLBY
21
A8V
25
22
Lch
23
AGND
6
24
Rch
DPX-5010 (K,M) (4/4)
DPX-5010
AS
B LINE
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