43
GND
POWER +
POWER -
+5V STBY
DETECT
RC5
AGND
+3V3
MXP_R
RC5 GND
A GND
MXP L
1
2
3
4
5
6
7
8
9
RX1
RX2
RX3
M-X PORT
M X RC
PVDD
RX0
I2C
INT
VOUT
CDTO
LRCKB
BICKB
OLRCKA
ILRCKA
BICKA
SDTOA
SDTOB
MC
KO
TV
D
D
DV
SS
DV
DD
XT
I
XT
O
TX
MC
LK
2
PD
N
CD
TI
CCL
K
CS
N
SD
AT
A1
SD
AT
A2
SD
AT
A3
SD
AT
AB
HVDD
HVSS
HPR
HPL
MUTET
LOUT2
ROUT2
ROUT2
LOUT2
VCOM
AVDD2
AVSS2
LISEL
LOPIN
ROPIN
RISEL
AV
SS
1
AV
D
D
1
LI
N1
RI
N
1
LI
N2
RI
N
2
LI
N3
RI
N
3
LI
N4
RI
N
4
LI
N5
RI
N
5
LI
N6
RI
N
6
PV
SS
R
DAB R
DAB L
TUNER R
DAB SPDIF
TO MAIN CPU BLOCK
TO MAIN CPU BLOCK
TO AUDIO B'D
TU
N
ER
B
LO
CK
USB_B BLOCK
TO DSP BLOCK
GND
RST
SDATA
SCLK
LRCK
MCLK
GND
F MUTE
AUTO STB (TO CPU)
+6V CPU
SCL2
SDA2
DAC AUDIO+(18V OLED)
GND
GND
OPTICAL OUT
COAXIAL OUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
IC23
AK4683
1
2
3
4
5
6
7
8
9
10
JK22
Q201
KRC107S
C257
0.
1u
F
R2
70
47K
R2
49
0
C256
0.
1u
F
R242
100
R243
100
C259
100P
C260
100P
R2
39
200
R2
38
200
R2
48
47
C258
0.
1u
F
C255
47/
25V
R2
46
OP
EN
R2
47
0
V+
B O
U
TP
U
T
B
N
PU
T
B
IN
PU
T
V-
IN
PU
T
A
IN
PU
T
A O
U
TP
U
T
-
+ B
-
+
A
8
7
6
5
4
3
2
1
IC25
H
VIN
JM
2068M
TE
1
C270
10/50V
C269
10/50V
R265
220
R264
220
C265
0 1uF
R255
10K
R2
59
47K
R2
58
47K
R254
10K
R253
10K
R252
10K
C499
10/50V
C500
10/50V
R2
45
47K
R2
44
47K
C262
0 1uF
R250
OPEN
R251
OPEN
R256
0
R257
0
C247
OPEN
C248
OPEN
C249
OPEN
C254
0.
1u
F
C261
47/25V
C266
47/25V
C268
OP
EN
C267
OP
EN
C272
100P
C271
100P
R275
0
R276
0
R277
0
R278
0
C273
OPEN
C274
OPEN
C275
OPEN
R236
0
R237
0
R2
41
47K
R2
40
47K
C263
OPEN
C264
OPEN
R222
R221
0
R 0
0
R2
18
0
R216
33
R215
33
R214
33
R212
33
R205
24k
R206
24k
R207 33
12
3
GND
VCC
IN
TX
TX
21
JK21
1
2
3
4
6
L201
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IC21
TC
74H
CT
7007A
F
C212 1000P
C211
0 1uF
C213 0 01uF
C208
1000P
C207
0.
1u
F
C203
1000P
C204
0.
1u
F
R204
33
R203
33
C214
47uF/10V
R202
75
C206
OP
EN
C205
OP
EN
C210 1000P
C209 0 1uF
R201
0
C202
10/
50V
C201
0.
1u
F
C216
1000P
C215
0
1u
F
L2
02
CL
Z9
Z014Z
X201
12 288M
C222 10/
50V
C221
0.
1u
F
R209 OPEN
R208 680
C232
39P
C231
33P
C246
1/
50V
C245
1/
50V
C244
1/
50V
C243
1/
50V
C242
1/
50V
C241
1/
50V
R2
35
27K
R2
34
27K
R2
33
47K
R2
32
47K
R2
31
47K
R2
30
47K
R2
29
47K
R2
28
47K
R2
27
47K
R2
26
47K
R2
25
47K
R2
24
47K
C239
10/
50V
C240
0.
1u
F
R2
23
12K
C229
1u
F
C226
2 2/50V
C227
1/50V
C224
0 1uF
C223
1uF
R211
0
R210
0
R213
47
C280
10/50V
C234
10/50V
C235
0 1uF
C236
0 1uF
C230
0.
1u
F
R271
0
R272
0
R273
0
R2
19
0
R2
69
47K
R2
74
47K
R260
220
R261
220
C250
OPEN
C251
OPEN
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN
40
R280
10K
R279
10K
C281
0 1
C282
0 1
C283
0 01
C284
1000P
C290
0.
1
C291
0.
01
C292
1000P
R290
100
R291
100
GND A
GND A
+3 3V CPU
+5V CPU
GND A
-12V A
GND A
+12V A
GND A
GND D1
GND D1
GND D1
GND A
GND D1
GND D1
GND D1
+12V A
GND D1
+3 3V D1
GND D1
C GND6
+3 3V D1
GND D1
GND D1
+5V A
+5V A
GND A
DSP DAC SIGNAL
5508 LRCK
5508 SCLK
5508 SDATA
5508
M
CL
K
5508 MCLK
5508 LRCK
5508 SCLK
MAIN CPU CONT
DAC SCL
DAC SDA
DAC RST
DAC F MUTE
CODEC CONT
4683 I2C CONT
4683 INT
4683 VOUT
4683 CDTO
4683_R
ES
ET
4683 CSN
4683 CCLK
4683 CDTI
+3 3V D1
SIGNAL TUNER DAB
DA
B
L
DA
B_
R
TU
N
ER
L
TU
N
ER
_R
SPDIF
OPT/COAX SPDIF
860SPD F
USBDAC SPDIF
DAB SPDIF
GND D1
MX SIGNAL
MX
P
L
MX
P_
R
MXP L
MXP R
MX CPU
MX DETECT
MX RC 5
5508 SCLK
5508 LRCK
DAC DATA
GND D1
GND A
+6V CPU
+5V A
GND D1
TUNER L
TUNER R
DAB L
DAB R
DAB SPDIF
TUNER L
TUNER R
DAB SPDIF
860SPDIF
USBDAC SPDIF
OPT/COAX SPDIF
860SPDIF
USBDAC SPDIF
OPT/COAX SPDIF
4683
CS
N
4683_CCL
K
4683
CD
TI
4683
RE
SE
T
4683
CD
TO
4683
IN
T
4683
VO
U
T
4683
I2C
CO
N
T
MX
RC
-5
MX
D
ET
EC
T
MX
_R
C-
5
MX
_D
ET
EC
T
4683_I2C_CO
N
T
4683_V
O
U
T
4683_IN
T
4683_CD
TO
4683_R
ES
ET
4683_CD
TI
4683_CCL
K
4683_CS
N
DA
C
F
M
U
TE
DA
C
RS
T
DA
C
SDA
DA
C
SC
L
DA
C_
F_
M
U
TE
DA
C_
RS
T
DA
C_
SDA
DA
C_
SC
L
5508 SDATA
5508 SDATA
+18V OLED
DAB L
DAB R
AUTO STB
AU
TO
ST
B
AU
TO
_S
TB
+3 3V DSP1
CHGND7
+3 3V D1
GND D2
GND D2
GND D2
GND D1
GND D2
2/12
2/12
2/12
4/12
4/12
1/12
9/12
8
7
6
5
4
3
2
1
A
B
C
D
E
F
SCHEMATIC DIAGRAMS (5/12)