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6.11. Main (Karaoke) Circuit
1
2
3
SCHEMATIC DIAGRAM - 11
A
A
MAIN (KARAOKE) CIRCUIT
IO
DGND
B
IO
MIC_IN
IO
AGND
PW_SW5R4V
C
IO
IO
PW_SW3R3V
MI
DSP_BCK
MI
DSP_WCK
DSP_SDO0
MI
IO
YMH_INPUT_SEL
D
AU
TUN_SDO2
E
IO: MAIN (IO EXPANSION): SCHEMATIC DIAGRAM - 1
FA: MAIN (FAN LED): SCHEMATIC DIAGRAM - 2
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 3
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 6 ~ 7
AU: MAIN (AUX TUNER): SCHEMATIC DIAGRAM - 15
F
IO
DSP_RESET2
G
DS
I2C_SCL
DS
I2C_SDA
IO
DSP_ERR
H
1
2
3
4
5
6
: +B SIGNAL LINE
: CD SIGNAL LINE
: TUNER/AUX/MIC SIGNAL LINE
IC4802
C0FBAY000032
R4820
100
A/D CONVERTER
RX4802
D1H81034A042
8
SCLK
LRCK
1
2
9
SDTO
R4821
MCLK
RX4801
100
D1H81014A042
3
4
10
MD0
DGND
7
8
5
6
11
MD1
VD
5
6
7
8
FMT
12
VA
LB4805
C4816
1
3
4
13
AINL
AGND
J0JYC0000423
C4821
1
1
2
14
AINR
VREF
R4832
100K
LB4803
0
LB4804
0
R4841
0
1
CH1
A
6
2
GND
VCC
5
C4841
R4842
0.1
0
3
CH0
COMMON
4
IC4841
C0JBAR000396
A/D CONVERTER
LB4802
J0JYC0000656
R4812
100
R4813
220
R4814
220
R4815
220
R4811
220
IC4801
C0DBGYY03252
LB4801
J0JYC0000656
VOLTAGE DETECTOR
4
3
VIN
VO
C4827
1
CN
GND
1
2
C4826
1
4
5
6
7
8
9
R4823
100
7
R4822
100
6
C4820
0.1
5
C4819
10
4
C4818
10
3
C4817
0.1
2
C4823
0.1
1
C4825
10
T1
48 47
46
45
44
43
42
41
40
39 38
37
C4801
10
1
NC
36
PVDDPL
2
35
THERMAL
3
GPIO5
OUTPL
34
PAD
4
SDI2
PVSSL
33
[1] DVDD18
[38] REFA
5
SDI1
[2] GPIO6
[37] AVSS
OUTML
32
[48] MCK_OUT
6
DVSS
PVDDML
31
IC4803
7
30
SDI0
PVDDMR
C1AB00003800
8
BCK_IN
OUTMR
29
DIGITAL AMPLIFIER
9
WCK_IN
PVSSR
28
[26] PVDDPR
C4802
1000P
[13] XIN
[25] NC(OPEN)
10
PLLVDD
OUTPR
27
11
IC_N
26
12
PLLVSS
25
10
C4803
13 14
15
16
17
C4815
0.1
18
19
20
21
22 23
24
C4806
1000P
R4803
47K
R4802
1M
C4811
1000P
R4804
47K
1000P
X4801
C4812
H0J245500110
4
3
1
2
7
8
9
29
10
11
12
13
DSP_BCK_A
DS
DSP_WCK_A
DS
DSP_SDO0_A
DS
PW_SW15R0V
FA
SA-MAX8000GS/GM MAIN (KARAOKE)
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
14
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