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AO
AP
AQ
AR
AS
1
2
3
4
7
DPX-6020
CN2
CN3
Q1
Q2
D2
CN4
Lch
Rch
REV
REV
Lch
FWD
Rch
FWD
M
M
CN1
HD1
SUB MOTOR
CM2
CM1
MAIN MOTOR
D1
Q4
Q5
S1
PACK IN SW
IC1 : HA12216F
IC2 : LB1641
Q1 : DTC144EK
Q2 : DTA144EK
Q4 : 2SB1443
Q5 : DTC114EK
D1 : AMO1Z
D2 : 02CZ4.3-X
P.B
EQ,DOLBY
MOTOR DRIVER
P.B
IC1
IC2
DOLBY NOISE REDUCTION UNIT (X30-3000-00)
ME1
47K
47K
47K
47K
10K
10K
X14-
CN2
to
3.7V
3.7V
3.7V
7.6V
3.7V
3.5V
3.5V
3.7V
0.2V
2.2V
3.7V
3.7V
2.2V
3.7V
0V
3.7V
3.7V
3.7V
0V
0V
3.7V
3.7V
3.7V
3.7V
DPSS
PLAY
DPSS
REV
PLAY
FWD
: 4.3V
: 0V
DB NR ON
DB NR OFF
: 0V
: 4.7V
: 0V
: 4.7V
:
:
0V
4.7V
MUTE ON
MUTE OFF :
:
0V
4.7V
MTL ON
MTL OFF :
:
0V
4.7V
0.8V
0.6V
0.8V
1.7V
0V
4.2V
7.9V
7.9V
0V
0.6V
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
31
32
33
34
35
36
37
38
39
40
MOUT(L)
EQOUT(L)
T
A
I(L)
NC
RAI(L)
PBOUT(L)
NC
DET(L)
NC
MS GVS
MS GVR
MAOUT
MSI
MSDET
VCC
MSOUT
S/R-MSGV
F/R
120/70
NR ON/OFF
MOUT(R)
EQOUT(R)
T
A
I(R)
BIAS
RAI(R)
PBOUT(R)
NC
DET(R)
NC
T/R MUTE
NFI(L)
RIN(L)
RIP
FIN(L)
GND
GND
FIN(R)
VREF
RIN(R)
NFI(R)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
B.U
SRV+B
GND
MMT
SMT2
SMT1
PON5V
DGND
RREEL
FREEL
MODE3
MODE2
MODE1
PACK DET
EQMUTE
MSC
MUSIC
F/R
MTL
DOLBY
A8V
Lch
AGND
Rch
8
1
3
2
7
6
4
5
9
3
1
2
5
4
6
8
7
9
1
2
3
4
5
6
7
8
9
10
GND
OUT1
P1
VZ
IN1
IN2
VCC1
VCC2
P2
OUT2
11
12
13
15
220K
R14
0.47
C16
0.039
C17
14
0.01
C12
1.6K
R25
0.47u50
C13
+
33K
R26
0.1
C9
4700P
C1
1
12K
R11
0.33
C7
18K
R9
VR1
10K
0.012
C5
430K
R7
25
33u10
C27
+
150
R5
R1 47K
C1 820P
R3 47K
C3 820P
33u10
C28
+
150
R6
1u50
C14
+
0.1
C26
32
34
37
C2 820P
R2 47K
C4 820P
R4 47K
39
VR2
10K
430K
R8
0.012
C6
18K
R10
12K
R12
0.33
C8
18K
R13
0.1
C10
0.01
C21
10 1W
R23
10K
R22
10K
R21
0.01
C22
100
R24
680
R20
0.01
C23
10u16
C18
+
1
3
2
4
1
3
2
1
2
3
5
4
4
5
1
2
3
4
5
34
37
39
32
12
11
13
47K
R15
0.01
C25
120
R17
47K
R16
7
10
9
2
10
2.2K
R19
0.01
C20
22K
R18
47u16
C19
+
10
13
12
11
9
7
11
12
13
15
14
6
5
4
1
10
2
5
6
2
2
6
6
25
47
R27
5
100u10
C15
+
4
1
+5V
+5V
A8V
A8V
A8V
A8V
A8V
A8V
A8V
+B
B LINE
SIGNAL LINE
+7.5V
+14.4V
+7.5V
+7.5V
+14.4V
+14.4V
+14.4V
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.
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299