7-9
7-9
CIRCUIT DIAGRAM - AMP BOARTD
2.5KHz
Lo-R
COG CAP
IC Pin5 = 5V
reduce noise cap
big noise
adjustment input signal
R
154/
C
152/
C
7244
adj
ust
osc
R148/R104 OCP(Q5법
직
괏
빱
)
R98/R99 OCP(Q2법
직
괏
빱
=50A)
R142/R147 increase for EMI,
but efficiency low,
heat too increase
Lo-L
COG CAP
IC Pin5 = 5V
reduce noise cap
big noise
adjustment input signal
R
154/
C
152/
C
7244
adj
ust
osc
R148/R104 OIP(Q5법
직
괏
빱
)
R98/R99 OCP(Q2법
직
괏
빱
)
R142/R147 increase for EMI,
but efficiency low,
heat too increase
OSC
To heatsink
+
-
+
-
To heatsink
73V
37
5W
F
O
R
N
X5
5
62
5W
F
O
R
N
X7
7
39V
73V
375W
FO
R
N
X55
625W
FO
R
N
X77
39V
signal reverse
RIGHT
RIGHT_IN
NX550 47K
NX550 10K
NX550 47K
NX550 10K
2.5KHz
R767
8K2
C7
10
1
NC
C7103
104
C7102
182
R768
100k
C7104
10U
R7153
1K
+
-
2
3
1
4
U707-A
D4556
C7105
NC
R771
47K
R770
10K
R534
3K/1%
R535
330R
1 1A
2 GND
3 2A
4
2Y
5
VCC
6
1Y
U26
74HC2G04
R536
100R
R537
10K
C306
68P
C3
07
104
R538
47R
R539
47R
C3
08
102
R541
10K
C310
68P
R472
8K2
C290
NC
C292
182
R473
100K
R506
1K
C305
NC
R508
47K
R509
10K
R563
3K1%
R564
330R
C3
29
102
1 VAA
2 GND
3 IN-
4 COMP
5 CSD
6 VSS
7 VREF
8 OCSET
9
TD
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VP
16
CSH
U2
IR
S2092(
SO
P16)
D
S
G
Q4
IRFB4227PBF
D
S
G
Q6
IRFB4227PBF
C19
150P250V
C2
0
330P/
630V
R2
7
10R
/0.
5W
C2
1
104/
100V
R2
8
22R
/3W
C2
2
330P/
630V
R2
9
2K2/
3W
D7
SO
D123
D8
SOD123
C2
3
4744/
400V
D
9
1N
4004
D1
0
1N4
00
4
R3
0
220k
R3
1
10R
/0.
5W
R32
10R
R33
4R7
R34
10R0.5W
R35
4R7
D11
BAS316
R3
7
10K
C24
102
C25
222
R38
8K2
R3
9
1K8
R40
4R7
R41
10R
R42
8K2
R43
2K
R44
10K
R45
75K
R46
68K
R4
7
330R
C27
222
R48
1K1%0.25W
R49
*120K1%
R5
0
68K
C28
10U/25v
R51
100R
C29
22U/25V
C3
0
10U
/25V
C3
1
10U
/10V
C3
2
10U
/10V
1 VAA
2 GND
3 IN-
4 COMP
5 CSD
6 VSS
7 VREF
8 OCSET
9
TD
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VP
16
CSH
U3
IR
S2092(
SO
P16)
D
S
G
Q7
IRFB4227PBF
D
S
G
Q8
IRFB4227PBF
C36
150P250V
C3
7
330P/
630V
R5
2
10R
/0.
5W
C3
8
104/
100V
R5
3
22R
/3W
C3
9
330P/
630V
R5
4
2K2/
3W
D1
2
SO
D123
D13
SOD123
C4
0
474/
400V
D1
4
1N4
00
4
D1
5
1N4
00
4
R5
5
220k
R5
6
10R
/0.
5W
R57
10R
R58
4R7
R59
10R0.5W
R60
4R7
D16
BAS316
R6
2
10K
C41
102
C42
222
R63
8K2
R6
4
1K8
R65
4R7
R66
10R
R67
8K2
R68
2K
R69
10K
R70
75K
R71
68K
R7
2
330R
C47
222
R73
1K1%0.25W
R74
*120K1%
R7
5
68K
C48
10U25V
R76
100R
C49
22U/25V
C5
0
10U
/25V
C5
1
10U
/10V
C5
2
10U
/10V
C1
7
103/
25V
C3
4
103/
25V
C5
5
224/
250V
C5
6
224/
250V
C5
7
224/
250V
C5
8
224/
250V
C6
5
102/
250V
C6
6
102/
250V
C6
9
224/
250V
C7
0
224/
250V
C7
3
224/
250V
C7
4
224/
250V
P32
P43
D21
SOD123
D22
SOD123
D23
SOD123
D24
SOD123
L703
L704
C8
4
102/
250V
C8
5
102/
250V
C8
6
102/
250V
C8
8
102/
250V
C8
9
102/
250V
C9
0
102/
250V
R80
10R
C91
104/100V
C309
10U
R83
470R
C96
220P
R84
470R
C97
220P
P45
C105
102
C106
NC
P51
1
2
3
4
5
CN2
5P
/3
.9
6M
M
1
2
3
4
CN703
4P/
3.
96M
M
R92
NC
R93
NC
LT2
6TS:6TS
LT3
6TS:6TS
R1
05
75k
C93
1U
R1
06
75K
C1
07
1U
C1
10
104
C1
11
104
R107
68K
C7
10
9
104
+
-
6
5
7
8
U707-B
D4556
R477
68K
1
2
3
4
JK802-A
N
X7
7/
PST-
4280R
(B
LCK)
N
X5
5/
N
C
5
6
7
8
JK802-B
N
X7
7/
PST-
4280R
(B
LCK)
N
X5
5/
N
C
9
JK802-C
C7100
10U
C2
93
10U
C2
76
10U
+
C1
17
100u/
16V
+
C1
18
100u/
16V
C3
30
10U
1
A-
O
2
A-
IN
3
A+
IN
4
GN
D
5
B+
IN
6
B-
IN
7
B-
O
8
VCC
U4
D4556
2-
18V
R10
22K
R3
6
22K
C16 104
C6
7
104
R85
8K2
C1
104
R8
6
22K
C4
6
100P
R87
NC
R88
8K2
C83
104
R77
NC
R89
0R
R108
0R
R110
NC
C1
12
100P
+
C113
100u/16V
+
C116
100u/16V
D4
9
SO
D123
D5
0
SO
D123
-12V
[1,2]
+5V
[1]
AMP_CLK3
[2]
OSC2
[1]
DCO
FFSET
[1
,2
]
L_R-
[2]
-VE3
[1]
+VB3
[1]
+VAA3
[1]
-VSS3
[1]
-VB3
[1]
OSC
SD3
[1]
DCO
FFSET
[1
,2
]
LO_L+
[2]
-VE4
[1]
+VB4
[1]
+VAA4
[1]
-VSS4
[1]
-VB4
[1]
SD4
[1]
AMP_CLK4
[2]
L_R+
[2]
LO_L-
[2]
HI_L+
[1]
HI_L-
[1]
+7
5V
[1
,2
]
-7
5V
[1
,2
]
+7
5V
[1
,2
]
-7
5V
[1
,2
]
LEFT_IN
[1,2]
RIGHT_IN
[1,2]
HI_R-
[1]
LO_L+
[2]
LO_L-
[2]
L_R-
[2]
L_R+
[2]
L_R+
L_R-
AMP_CLK3
[2]
AMP_CLK4
[2]
+12V
[1,2]
LO_L-
LO_L+
HI_L-
LO_L-
LO_L+
HI_L-
HI_L+
HI_R-
HI_R+
[1]
RIGHT_IN
[1,2]
RIGHT
[1]
+12V
[1,2]
-12V
[1,2]
LEFT_IN
[1,2]
LEFT
[1]
Summary of Contents for NTX600
Page 28: ...4 1 4 1 BLOCK DIAGRAM NFC ANT H P AMP Sc1408 HEADPHONE ...
Page 29: ...WIRING DIAGRAM 5 1 5 1 ...
Page 40: ...7 10 7 10 CIRCUIT DIAGRAM AMP BOARTD ...
Page 41: ...7 11 7 11 PCB LAYOUT MAIN BOARD ...
Page 42: ...7 12 7 12 PCB LAYOUT MAIN BOARD ...
Page 43: ...7 13 7 13 PCB LAYOUT MCU BOARD ...
Page 44: ...7 14 7 14 PCB LAYOUT AMP BOARD ...
Page 45: ...8 1 8 1 EXPLODED VIEW ...