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C
MAIN CIRCUIT
CN3 USB CON.
K1FB108E0007
1 2
3 4
5
6
7
8
C
A
B
K
V18
U16
U16 U15 T16 R16 R17 P16 U14 T17 U17
V18 U18
J16
K18
K17
K16
T14
L17
DC_DC_PLAY
GPIO_3
L18
DC_DC_STOP
GPIO_2
N17
DC_DC_LX2
GPIO_1
GPIO_0
P17
DC_DC_LX1
RSTIN_N
T18
DC_DC_VUSB
M17
DC_DC_VBAT
R18
DC_DC_VOUT33A
M16
DC_DC_VOUT33B
N18
DC_DC_VOUT18
P18
DC_DC_VSS1
N16
DC_DC_VSS2
L16
DC_DC_GND
M18
DC_DC_CLEAN
U5
ADC10B_GPA4
T6
ADC10B_GPA3
U6
ADC10B_GPA2
T7
ADC10B_GPA1
U7
ADC10B_GPA0
V10
ADC10B_VDDA33
U10
ADC10B_GMDA
B1
MPMC_RPOUT
A12
MPMC_BLOUT0
B12
MPMC_BOUT1
A17
MPMC_NOE
C12
MPMC_DQM_0
A11
MPMC_DQM_1
C10
MPMC_NCAS
A9
MPMC_NRAS
C11
MPMC_NWE
B10
MPMC_CKE
A10
MPMC_CLKOUT
B9
MPMC_NDYCS
C9
MPMC_NSTCS_0
A8
MPMC_NSTCS_1
MPMC_A_1
MPMC_A_2
B11
MPMC_NSTCS_2
MPMC_A_3
E16
MPMC_A_0
MPMC_A_4
E17
E18
D16
D17
D18
A18
B18
C18
B17 C17 B16 C16 B15 C15 A14
ON
SW8
OFF
HOLD
7
8
Schematic diagram-4
1.8V
D
L
T15 J17
V16 V11 H1 A6 A15 A7 A16 H18
H16
V15
V17 V12
G1
IC3
C2HBZG000008
DSP MICON IC
B14
C14
A13 B13 C13 A1 A2
A3
A4 B4 A5 B5 C4 C5
B2
R40
10K
Y
9
D
L
A B C D E F G H I
F1 J18 V14 V5 E1 F3
B3
C2
C1 C3 D2 D1 D3 E2 E3 F2 G2
V13
V6
H18
C6
B6
H17 G17
G16
F16
G18
C7 B7
C8
B8
A
C
B
SV-MP720V(GC/GK/GH/GD/GN) CIRCUIT DIAGRAM
10
11
J K L
K1
K2
K3
L3
GPIO_UART_0
H2
GPIO_UART_1
G3
GPIO_MIC_1
GPIO_UART_2
GPIO_MIC_2
H3
GPIO_UART_3
GPIO_MIC_0
J2
GPIO_MIC_3
GPIO_MIC_4
J1
J3
GPIO_MIC_5
ADC_VDDA33
U3
V3
ADC_VDDA18
ADC_VCOM
T3
U2
ADC_VREFP
ADC_VREFN
V1
V2
ADC_GNDA
ADC_VINR
T1
ADC_VINL
T4
ADC_VREF
U1
ADC_MIC
R3
T2
ADC_MIC_LNA
M3
DAC_VOUTR
M2
DAC_VOUTL
L1
DAC_VDDA33
L2
DAC_VREEP
M1
DAC_VREFN
HP_OUTR
P3
HP_OUTCA
N2
N1
HP_OUTCB
N3
HP_OUTL
HP_VDDA33A
R1
HP_VDDA33B
R2
HP_GNDAA
P2
P1
HP_GNDAB
SPDIF_IN
T12
SPDIF_VDDA33
U11
SPDIF_GNDA
T11
XTALH_IN
T10
XTALL_VSSA
U9
XTALH_VDDA18
XTALL_IN
XTALL_VDDA18
XATLL_OUT
V9
XTALL_OUT
T9
XTALL_GNDA
V7
U8
T8
V8
F17 T13 V4 U12 T5 U13 U4
F18
TP4
TP6
TP8
100K
TP5
TP7
TP3
12
R43
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Troubleshooting
