GND LINE
POWER- LINE
POWER+ LINE
STBY POWER
PCM
SPDIF
DSD
Analog Audio L
Analog Audio R
Audio SW
AMP_GN
D
AMP_GN
D
+5
V2
5
+28
V
SUMU
TE
P
AMP_
G
N
D
-28
V
+28
V
AMP_GN
D
100N-
Z
C905
9
+28
V
C904
44700N-K-201
2
POLYESTER
FIL
M
C
908
2
4700
N
-K
-201
2
AMP_GN
D
+9
VA
+28
V
-28V
CSR COMMENT
SPK_OUT_L
R909
8
100
K
R909
9
100
K
D902
3
MMSZ5231BS-7-
F
C903
5
1000N-
K
L9006
BD221T
C905
5100N-
Z
R904
7
4K
7
D901
0
ZJ6.2
B
4K
7
R906
1
ZJ6.2
B
D900
9
+5
V2
5
R906
5
4K
7
D901
3
ZJ6.2
B
R907
4
10
K
R907
6
4K
7
ZJ6.2
B
D901
9
R9049
10K
R904
8
10
K
R905
7
10
K
R906
2
4.7-201
2
R9067
10K
R906
6
10
K
C904
3
10N-
Z
R9072
10K
R907
1
10
K
R907
7
4.7-201
2
R9096
10K
12UH
L9001
1
2
3
ZXMP7A17K
Q9019
PTC
THERMISTO
R
R9097
10K
12UH
L9003
R906
0
1K5(2W
)
Q9020
2N5401S
R907
5
1K5(2W
)
POLYESTER
FIL
M
AMP_GN
D
10(3W
)
R907
3
20
R906
4
D901
2
LBAS16HT1
G
+28V
R9052
9K1
C906
1
47
/6
3
SPK_OUT_R
47K
R976
R975
47K
AMP_GND
51
K
R
98
1
Q9016
2N5551S
R905
6
3K
3
+3
V3
C9070
100N-K
C9067
100N-K
C9078
100/16
CSR_BRIDGE
FB_B
R980
47K
C9079
100N-K
FB_A
DC_PRT2
C907
7
4700N-K-201
2
C906
0
1000N-
K
L9009
BD221T
C904
2
1000N-
K
100N-
Z
C904
1
C905
3
1000N-
K
18-201
2
R905
0
18-201
2
R906
8
ZJ5.1
B
D901
6
R9059
10K
2N5551S
Q9024
POLYESTER
FIL
M
SUMU
TE
P
PTC
THERMISTO
R
1
2
3
ZXMP7A17K
Q9027
Q9026
2N5401S
C905
7
1000N-
K-3216(50
V)
1000N-
K-3216(50
V)
C903
6
10(3W
)
R905
8
1000N-
K-3216(50
V)
C903
9
1000N-
K-3216(50
V)
C905
4
+28
V
R977
0
100K
R979
Q
902
8
KT
C
3875
S
FJ
V992
Q
903
0
Q
90
3
2N
5401
S
C903
7
100N-
Z
C903
8
1000N-
K
C905
61000N-
K
POLYESTER
FIL
M
6N8-
K-2012(50
V)
C904
6
6N8-
K-2012(50
V)
C906
5
33N
-Z-
3216
(50
V)
C906
6
33N
-Z-
3216
(50
V)
C904
7
C906
2
220N(
EB
)-100
V
220N(
EB
)-100
V
C904
8
CH3_PWM0
CH3_PWM2
CH2_PWM0
AMP_GND
+5V25
+5V25
-28V
-28V
77/87 'C
C9068
100N-K
AMP_GND
R9100
10K
SPK_ON
SUMUTEN
C907
6
10N-
Z
CH2_PWM2
C9058
100N/50V
C903
4
100N-
Z
1
2
3
4
5
6
7
8
NC7NZ17K8X
IC9011
1A
3Y
2A
GND
VCC
1Y
3A
2Y
2
3
1
BAT54
A
D902
1
C9040
100N/50V
R906
9
100
K
R907
0
100
K
100N/50V
C9051
Q9014
2N5551S
ZXMN7A11K
Q9015
22N-Z-2012(50V)
C9032
2N5401S
Q9018
D900
8
LBAS16HT1
G
R906
3
390K-160
8
77/87 'C
+28V
ZXMN7A11K
Q9023
2N5401S
Q9025
D901
8
LBAS16HT1
G
R907
8
390K-160
8
R9051
1K
R905
4
2K
7
56
0
R905
3
R905
5
2K
7
C9069
100N-K
C9071
0
C9072
0
Q9029
KTC3875S
33K
R978
TO MODULATOR
TO FEEDBACK PROCESSOR
SPK TERMINAL
TO MODULATOR
LBAS16
D9024
DC_PRT1
TO FEEDBACK PROCESSOR
1
2
3
4
5
6
7
8
NC7NZ17K8X
IC9010
1A
3Y
2A
GND
VCC
1Y
3A
2Y
1
2
3
D901
5
BAT54
C
100N/50V
C9033
1
2
3
4
5
6
7
8
NC7NZ17K8X
1A
3Y
2A
GND
VCC
1Y
3A
2Y
IC9004
1
2
3
4
5
6
7
8
NC7NZ17K8X
IC9005
1A
3Y
2A
GND
VCC
1Y
3A
2Y
1
2
3
D901
4
BAT54
C
C905
2
100N-
Z
1
2
3
4
5
6
7
8
NC7NZ17K8X
IC9006
1A
3Y
2A
GND
VCC
1Y
3A
2Y
2
3
1
BAT54
A
D902
0
D900
7
LBAS16HT1
G
TH900
0
470R
95
C
C906
4
330N/100
V
Q9022
2N5551S
22N-Z-2012(50V)
C9050
C904
5
330N/100
V
TH900
1
470R
95
C
D901
7
LBAS16HT1
G
Q9017
2N5401S
1
2
3
4
5
6
7
8
NC7NZ17K8X
1A
3Y
2A
GND
VCC
1Y
3A
2Y
IC9007
C904
9
100N-K(50V
)
C906
3
100N-K(50V
)
FROM U-COM
Searching for 9V RELAY.
RLY9000
FROM MODULATOR
RT1N237C
Q9021
PMA-50 CLASS D AMP - OUTPUT STAGE PART
B6
B8
1C
2C
3C
4C
5C
SCHEMATIC DIAGRAMS (2/2)
SCHEMATIC DIAGRAMS (7/11)
AMP_D_AMP_OUT
55
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Summary of Contents for PMA-50
Page 8: ...Personal notes 8...
Page 28: ...4 Enter the user name company name and Click Next 5 Click Next 6 Click Finish 28...
Page 42: ...Personal notes 42...
Page 71: ...PCM9211 IC204 PCM9211 Block Diagram 71...
Page 72: ...PCM9211 Pin Discriptions 72...
Page 80: ...BT_Module MDX 5XR IC501 Pin Map Top View Block Diagram 80...