MVH-29
0BT/XEUC
18
12
34
12
3
4
C
D
F
A
B
E
10. SCHEMA
TIC DIA
G
RAM
10.1 MAIN BO
ARD PCB(MPEG/DECT)
1/3
A
1/3
A
B+
MCU FLASH
BT FLASH
EEPROM
ACC+DTH
I/O EXP
MCU+MPEG
C48
2pF
1 CS
2 DO
3 WP
4 GND
8
VCC
7
HOLD
6
CLK
5
DI
U1
W25Q80DV
C8
5
22uF,
6.
3V
C72
0.1U
R41
10R
R46
43K
C76
10UF,10V
C77
0.1U
C78
0.1U
R58
100
R60
100
R6
5
NC
R6
7
NC
C82
1.8nF
C83
1.8nF
C9
2
10uF,
16V
C93
0.1U
C121
0.1U
1
PA4/I2S1_MCLK
2
PA5/I2S1_SCLK
3
PA6/I2S1_WS
4
PB0/I2S1_SDO
5
RTC_VDD
6
OSC32KIN
7
OSC32KOUT
8
SF_SCK
9
SF_CSN
10
SF_MISO
11
SF_MOSI
12
RESET
13
VDD33
14
VSS
15
PD0/INT0
16
PD2/ADC2/INT2/R_TXD1
17
PD3
/ADC3
/I
NT3
/R_
RXD1
18
PD4
/ADC4
/I
NT0
/M
_
TXD2
/P
W
M
0
19
PD5
/ADC5
/I
NT1
/M
_
RXD2
/P
W
M
1
20
PD
6/
AD
C
6
/I
N
T
2/
I2
C
_
SC
L/
PW
M
2
21
PD7/
ADC7/
INT3/
I2
C_
SDA/
PW
M
3
22
DP
23
DN
24
VSS
25
OS
C
1
2
MOU
T
26
OS
C
1
2
M
IN
27
VDD_
M
28
VDD33
29
VSS
30
VDD_
R
31
VSS
32
VDD_
R
33
VDD33
34
PE0/SD_CLK
35
PE1/SD_CMD
36
PE2/SD_DAT0
37
PE3/SD_DAT1
38
PE4/SD_DAT2/RISC_RTS
39
PE5/SD_DAT3/RISC_CTS
40
PE6/SPDIF_O/SPI_CS1
41
PE7/SPI_CLK
42
PF0/INT4/SPI_MOSI
43
PF1/INT5/SPI_MISO
44
PF2/INT6/SPI_CS0
45
PG0/M_TXD2/R_TXD2
46
PG1/M_RXD2/R_RXD2
47
VDDADC
48
BIAS
49
VSSADC
50
PG
2/
ADCI
N_
L2
51
PG
3/
ADCI
N_
R2
52
PG
4/
ADCI
N_
L3/
I2C_
SCL
53
PG
5
/ADCI
N_
R3
/I
2
C_
S
DA
54
LI
N
E
O
U
T_R
55
VI
M
D
56
DAC_
VSS
57
DAC_
VDD
58
LI
N
E
O
U
T_L
59
VDD33
60
AVSS
61
LX
62
VO
UTFB
63
VDD33
64
VDD_
R
U10
SQ96B82
R1
3
3
0R
Y1
12M
R
703
6.
8K
C701 22pF
C702 22pF
R8
1
2
.2
K
L1
22uH
/500m
A
C88
10uF
C89
10uF
Y2
32.768K
C71
6.8PF
C80
6.8PF
C94
0.1U
C99
0.1U
C101
0.1U
C114
0.1U
C120
0.1U
R87
NC
C124
0.1U
C134
0.1U
FB8
1K/100mA
Z3
5.6V/500mW
R277
12K/1%
C241
100nF
R201
5.6K/1%
R308
10K
Q30
PMBT3904
D11
M4D,400V/1A
R218
100K/1%
R399
15K
C243
1nF
D5
1N
4148
D24
NC
C3
6
22uF,
6.
3V
1
3
5
7
8
6
4
2
RP1
470R*4
C15
22uF,6.3V
R119
NC/91R
R1
2
9
100K
D3
NC/
1
N4
1
4
8
FB5
NC
C18
0.1U
C61
0.1U
1
3
5
7
8
6
4
2
R36
NC
1
3
5
7
8
6
4
2
RP6
470R*4
FB6
1K/100mA
C41
10uF
C6
3
0.
1U
1
3
5
78
6
4
2
R6
47K*
4
D4
1N4148
EC1
100uF/16V
DB1
DB2
DB3
DB4
DB5
DB6
Q18
NC/KTC8050S
R88
NC/1K
R11
NC/3.3K
C46
NC/22uF,6.3V
R2010R
C7
4
0
.1
U
R101
100
R51
100
R50
100
C8
1
NC
C8
4
NC
R5
2
4
.7
K
R5
3
4.
7K
1
3
5
7
8
6
4
2
RP2
100R
*4
G
D
S
Q4
SE3018
G
D
S
Q10
SE3018
G
D
S
Q3
SE3018
1
3
5
78
6
4
2
R8
2
10k*
4
1
3
5
78
6
4
2
R6
1
10k*4
R30
100K
C103
10uF,16V
C96
180pF
C8
1.5nF,50V
R98
20k
R100
3.3K
C98 10uF
R104
1K
R102
47K
C95
180pF
C91
1.5nF,50V
R97
20k
R99
3.3K
C13
NC
R105
1K
R103
47K
R89
10K
R90
10K
C122
10UF,10V
C14
0.1U
C20
2.7nF
C21
2.7nF
R94
4.7K
R93
4.7K
R91
100
R96
5.6K
R95
5.6K
C100
0.1U
C110
47nF
C111
47nF
R117
18K
R118
18K
C112 10uF
C113
NC
1
2
3
4
5
6
7
8
U6
UTC4
5
5
8
R92
47K
R3
8
NC
R1
0
6
NC
C128
1nF
C1
2
9
1
n
F
R10
470
C
4
47pF,
50V
R4
7
100
R4
8
100
R56
100
R7
7
100
R7
8
4
.7
K
R7
9
4
.7
K
FB7
1K/100mA
R80
100
C49
1nF
C51
33pF
C52
100pF
C53
100pF
FB9
C66
1nF
C131
100pF
C67
100pF
C69
100pF
C130
100pF
C132
NC
FB10
600 ,
0.2
A
FB11
C9
7
68pF
C152 NC
C153
NC
C154
150pF
C155
150pF
C156
150pF
VCC
SDA
SCL
P6
P7
IRQ#
P5
P4
GND
P3
P2
P0
A2
P1
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
U8 XRA1200
R75
100
R83
100
C168
0.1U
C169
10UF,10V
R22
100
C171
2pF
1 CS
2 DO
3 WP
4 GND
8
VCC
7
HOLD
6
CLK
5
DI
U9
W25Q80DV
FB12
1K/
100m
A
C172
0.1U
R85
100
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
U12
NC(FT24C16A-USR-T)
C173
NC
C174
NC
R112
100
R113
100
GN
D
RESET
VCC
U14
SGM809RXN3L/TR
R13
0R
R1
2
0
0
R
R122
4.7K
1
3
5
7
8
6
4
2
RP3
470R*4
C45
NC
C50
1nF
Q13
PMBT3904
R139
4.7K
R121
22K
C64
NC
R8
4
4
7
K
R1
2
4
4
7
K
R1
2
5
4
7
K
D1
5
NC
R126 4.7K
C6
5
1uF
R1
2
8
NC
SF-MISO
SF-MOSI
SF-CLK
SF-CSN
DGND
S3V3
DGND
S3V3
S1V2
SF-CLK
SF-CSN
SF-MISO
SF-MOSI
DP
DM
MP3_R
MP3_L
S3V3
DAC-
VDD
S1V2
DGND
DGND
DGND DGND
DGND
DGND
DGND
DGND
DGND
DGND
BU_
D
ECT
S_MUTE
EN_B
DIM_EN
POWER_EN
DGND
ACC
S3V3
BU_DECT
B+
DGND
S3V3
S3V3
KEY0
KEY1
KEY2
LCD_SCL
LCD_SDI
I2C_SCL
I2C_SDA
S3V3
S3V3
DGND
DGND
DGND
DGND
3V3
LCD_SCL
SCL
SDI
LCD_SDI
A5V
SCE
LCD_SCE
STBY [3]
S5V78
+2.9VA
AGND
AGND
+2.9VA
AGND
MPEGL
MPEGR
AGND
MP3_R
AGND
MP3_L
+2.9VA
AGND
A5V8
A5V8
EN_A
FLG
EVO_MCLK(16M)
CLK
DATA
TUNER_RST
STB
3V3
LCD_SCE
AGND
AGND
AGND
3V3
3V3
DGND
3V3
I2C_SDA
I2C_SCL
DGND
BT-SF-CS
DGND
DGND
BT_PWR_ON
TUN_3V3_EN
MCU_TX_BT
BT_TX_MCU
MCU_TX
MCU_RX
DGND
BSF-MISO
BSF-MOSI
BSF-CLK
BT-SF-CS
DGND
S3V3
DGND
ASP_RST
S3V3
I2C_SCL
I2C_SDA
DGND
USB-CTL[4]
DGND
MF
V
C
C
MFVCC
ACC_DECT
ACC_
DECT
DISP_OFF
DC_OFFSET
BSF-CLK
BSF-MOSI
BSF-MISO
DGND
DTH
DGND
10. SCHEMATIC DIAGRAM
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" .
1/3
A
3/3
A
1/3
A
1/3
A
1/3
A
2/3
A
1/3
A
1/3
A
1/3
A
1/3
A
2/3
A
2/3
A
1/3
A
2/3
A
1/3
A
1/3
A
3/3
A
2/3
A
1/3
A
1/3
A
3/3
A
1/3
A
3/3
A
2/3
A
3/3
A
1/3
A
2/3
A
2/3
A
3/3
A
2/3
A
3/3
A
1/3
A
3/3
A
3/3
A
1/3
A
The
>
mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
NC : No Mount
1/3
A
MAIN BOARD PCB
(MPEG/DECT)
1/3
A
