Table of Contents
Advertisement
A
B
R37
XTIN
100
D+3.6V
C22
100/6.3
C23
104
D/O
LRCK
ADATA
BCLK
EMPH
DGND
C51
47
C52
47
B_SQSO
B_SCOR
C
X5
R57
3
D+5V
1K
2
DGND
1
B_OP_CL
X6
3
B_RBS
2
SYNC
1
B_CNG
X4
1
+5V
2
B_PITCH_A
3
B_PITCH_B
4
5
B_DO
6
B_CE
7
B_CL
C86 10/10
8
B_DI
C93 10/10
AGND
X9
1
B_CE
2
SRV+
3
B_DI
4
B_DO
5
6
B_CL
7
B_PITCH_B
8
B_PITCH_A
9
DTN
C
H
A
S
D+5V
S
D
I
S
X8
1
SRV+
2
SRVGND
3
4
DGND
R9
5
AGND
0
R7
+5V
D+5V
6
0
R8
A+5V
7
0
-5V
R51
8
D+3.6V
0
+3.6V
E
+3.6V
C70
+3.6V
100/6.3
C92
104
AGND
AGND
C42
C46
C45
473
152
103
C28
R20
1M
R17
C44
R42
C11
104
1M
4.7/6.3
221
10K
R23
10K
R39
3K3
R53
R43
33K
R83
R38
100K
3K3
470K
61
DVDD2
62
ASYE
63
MD2
64
DOUT
65
LRCK
66
PCMD
DVSS1
67
BCK
68
EMPH
DGND
69
IC3
XTSL
CR1
70
CXD3068Q
DVSS2
16.9344MHZ
71
XTAI
R18
1M
72
XTAO
73
SOUT
DVDD1
D
I
74
SOCK
G
I
75
XOLT
T
A
76
SQSO
L
B_CLOK
77
SQCK
S
E
78
SCSY
R
79
V
SBSO
O
80
EXCK
C18
C32
104
R6
100/6.3
47K
DGND
DGND
R101
6
5
D+3.6V
4
R32
R35
R49
3
4K7
4K7
47K
2
1
47K
D+5V
D+5V
R66
R67
R68
D+5V
220
220
220
R34
4K7
R46
1
1
2
2
3
3
4
4
5
5
6
6
DGND
D+5V
D+5V
C74 100/10
DGND
R10
C97 104
D+5V
4K7
1
64
AVref-
ALE/WE
AGND
2
63
AVref+
PSEN
C72
C95
3
62
AVSS1
P2.7
100/10
104
4
61
AVDD1
P2.6
A+5V
5
60
P5.7 IN
P2.5
6
59
P5.6 IN
P2.4
B_OPCLSW
7
58
P5.5 IN
P2.3
IC7
R89
8
57
P5.4 IN
P2.2
10K
P89C557E4
9
56
P5.3 IN
P2.1
10
55
P5.2 IN
P2.0
D+5V
11
54
P5.1 IN
VSS3
12
53
P5.0 IN
VDD3
13
52
DGND
VSS1
XTAL1
C56
C101
14
51
VDD1
XTAL2
100/10
104
15
50
D+5V
ADEXS
N.C.
16
49
PWM0
N.C.
R11
4K7
17
48
PWM1
P3.7
R33
18
47
EW
P3.6
4K7
19
46
P4.0
P3.5/T1
20
45
P4.1
P3.4/T0
B_LOADOUT
21
44
P4.2
P3.3/INT1
B_LOADIN
22
43
P4.3
P3.2/INT0
23
42
RSTOUT
P3.1/TXD
L_RES
24
41
P4.4
P3.0/RXD
DGND
R24
R90
R31
R92
4K7
0
4K7
0
C96
R5
104
D3
0
C100
1N4148
1/10
100/10
DGND
C71
D+5V
DGND
D+5V
TP1
RF
C43
R36
100
682
TP3
AGND
VC
VC
TP5
C17
C48
AGND
104
471
AGND
R22
C47
100K
R55
471
15K
R54
15K
R15
R95
2K2
150
R98
C84
1M
1.0/6.3
40
SE
R16
C85
39
1K
FE
100/6.3
38
VC
B_LDON
37
TES1
36
TEST
35
DGND
34
FRDR
FRDR
33
FFDR
FFDR
R88
32
TRDR
TRDR
5K6
31
TFDR
TFDR
30
SRDR
SRDR
C33
29
SFDR
SRVGND
SFDR
100/6.3
28
D+3.6V
C89
27
FSTO
104
26
SSTP
C36
25
SNDL
MDP
24
27
LOCK
23
PWMI
C15
22
FOK
21
104
DFCT
C38
R28
SRVGND
4K7
334
C41
B_LOCK
27
SRVGND
SRVGND
C83
B_SENS
47/16
B_SCOR
B_SQSO
SRV+
B_FOK
B_LOCK
D+5V
D2
1N4148
R56
22K
RESET
RESET
C19
10/16
DGND
10K
B_LMUTE
R47
L
D+5V
O
4K7
W
-
-
>
M
U
T
E
DAC
XTIN
LRCK_AB
B_LMUTE
C102
AB_OUT
AB_OUT1
102
C21
A
AB_IN
104
C63
L2
B_LDON
3.3uH
100/6.3
DGND
DGND
C98 104
C55
100/10
R81
EMPH
D+5V
100
R19
C54 47
1M
LRCK
R59
C53
100
DGND
R60
ADATA
CR2 16MHz
47
100
R61
BCLK
B_SQSO
100
B_DATA
B_XLAT
B_SCOR
C105
B_CLOK
47
B_SENS
B_LMUTE
B_SCLK
+3.6V
C1
100/6.3
C13
VC
104
VC
C34
C29
C14
82
100/6.3
104
AGND
AGND
R96
R97
51K
51K
FOCUS BIAS
IC1
11
10
TE
VC
R
F
12
9
FE_BIAS
EI
R21
A
13
8
3K3
FE
E
M
P
14
7
RFM
F
R25
15
6
RFO
VEE
8K2
C10
16
5
RF_1
PD2
103
17
4
RFTC
PD1
18
3
AGCONT
PD
19
2
C9
LD_ON
LD
20
1
103
Q1
VCC
AGCVTH
2SA954
C94
CXA2550N
C8
104
100/6.3
C30
R14
22
100/6.3
+3.6V
VC
MOTOR DRIVER
FCS+
1
28
CH1OUT F
GND
FCS-
2
27
SNDL+
SNDL+
CH1OUT R
CH4OUT F
3
26
SNDL-
SNDL-
RC IN1
CH4OUT R
FRDR
4
25
CH1 RIN
VBIN
FFDR
5
24
CH1 FIN
VSIN
C37
6
23
VREF IN
VBIN
7
22
SRV+
153
VREF OUT
VCC
R26
IC2
33K
BA6392FP
R27
10K
8
21
GND
VCC
TRDR
9
20
SRDR
SNDL
CH2 FIN
CH3 FIN
TFDR
10
19
SFDR
CH2 RIN
CH3 RIN
C35
11
18
RC IN2
RC IN3
TRK-
12
17
152
SLD+
CH2OUT R
CH3OUT R
TRK+
13
16
SLD-
CH2OUT F
CH3OUT F
14
15
GND
MUTE
C16
104
SRV+
SRV+
TRK+
TRK-
IC4
L
O
BA6218
A
D
I
N
G
O
B_LOADIN
P
E
DGND
N
-
B_LOADOUT
H
C57
I
100/10
D1
D+5V
B_OPCLSW
1N4002
A
C7
10/10
C60
R44
10K
C64
C3
331
100/6.3
R70
R40
R69
6
2K2
3K3
2K2
C20
10/16
5
C68
C66
102
272
104
IC6
L1
3.3uH
PCM1717E
+5V
R45
10K
C65
C5
331
R72
R41
R71
2
2K2
3K3
2K2
10/16
3
C69
C67
102
272
C6
4K7
10/10
L9
R30
D+5V
3.3uH
R48
EMPH_AB
100
R85
LRCK_AB
100
R99
ADATA_AB
100
R100
BCLK_AB
100
C104
C103
47
47
DGND
RF amplifier CXA2550N-Main Schematic
GFS_MC REMUVED
X1
VC
1
VCC
2
R13
E
3
110K
R2
D
4
56K
R1
A
5
56K
R3
B
6
56K
R4
C
7
56K
R12
F
8
110K
AGND
9
LD
10
VR
11
PD
12
FCS+
13
TRK+
14
TRK-
15
FCS-
16
X2
SNDL-
1
SNDL+
2
SLD+
3
SLD-
4
5
DGND
6
X3
M+
1
M-
2
OPEN
3
4
DGND
R29
5
10K
CLOSE
IC5B
AUDIO OUT
C2
R64
L
7
O
220
U
J1
10/16
Q2
R62
T
4558LD
5K6
C49
2SC2878
222
C58
C50
100/10
222
+5V
IC5A
ROUT
C4
R65
1
220
10/16
Q3
R63
4558LD
-5V
5K6
C59
100/10
2SC2878
C78
C79
100/16
220/16
D11
R86
D8
1N4148
22K
1N4148
R74
Q6
560K
R87
2SA1317
470
+5V
D7
1N4148
R75
-5V
2M2
Advertisement
Table of Contents
