Pioneer MVH-290BT Service Manual - Page 18
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10. SCHEMATIC DIAGRAM
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" .
MCU+MPEG
100
R60
MP3_R
A
1/3
100
R58
MP3_L
1.8nF
1.8nF
C83
C82
C93
C66
1nF
AGND
0.1U
S3V3
DGND
FB6
1K/100mA
C131
C101
C41
100pF
C153
C99
0.1U
0.1U
10uF
NC
DGND
DGND
DGND
C80
6.8PF
DGND
C71
Y2
6.8PF
32.768K
EC1
C124
C49
RP3
100uF/16V
0.1U
1nF
470R*4
R87
NC
R2010R
1
2
3
4
1
BSF-CLK
PA4/I2S1_MCLK
2
5
6
BSF-MOSI
PA5/I2S1_SCLK
7
8
3
BSF-MISO
PA6/I2S1_WS
4
BT-SF-CS
PB0/I2S1_SDO
D4
1N4148
5
RTC_VDD
A
R30
6
1/3
OSC32KIN
100K
7
OSC32KOUT
RP1
1
2
8
SF-CLK
SF_SCK
470R*4
3
4
9
SF-CSN
SF_CSN
5
6
10
SF-MISO
SF_MISO
7
8
C51
33pF
11
SF-MOSI
SF_MOSI
R13
0R
12
RESET
13
S3V3
VDD33
14
A
3/3
VSS
TUN_3V3_EN
15
PD0/INT0
16
A
1/3
MFVCC
PD2/ADC2/INT2/R_TXD1
R119
NC/91R
C61
0.1U
Q18
C46
NC/KTC8050S
NC/22uF,6.3V
R88
NC/1K
R11
NC/3.3K
DGND
A
3/3
MCU_TX
MCU_RX
A
U14
3/3
DB5
SGM809RXN3L/TR
DB6
DB1
VCC
RESET
DB2
DB3
DB4
C50
1nF
DGND
R36
NC
DGND
1
3
5
7
3V3
I/O EXP
C169
10UF,10V
C168
0.1U
DGND
DGND
U8 XRA1200
1
16
A0
VCC
2
15
R75
100
A1
SDA
DGND
3
14
R83
100
A2
SCL
A
2/3
4
13
P0
IRQ#
BT_PWR_ON
5
12
R113
100
P1
FLG
P7
6
11
R85
100
P2
P6
DIM_EN
R126 4.7K
7
10
R112
100
DISP_OFF
P3
P5
A
8
9
3/3
GND
P4
DGND
A
1/3
3V3
C88
10uF
C89
10uF
S1V2
S3V3
STB
A
2/3
CLK
R41
10R
DATA
S3V3
C76
C77
C121
AGND
10UF,10V
0.1U
0.1U
C67
100pF
C69
100pF
C130
100pF
AGND
NC
C132
FB8
DGND
1K/100mA
R46
43K
3V3
C134
C78
0.1U
0.1U
DGND
48
BIAS
47
VDDADC
46
PG1/M_RXD2/R_RXD2
45
FB9
PG0/M_TXD2/R_TXD2
44
R56
100
PF2/INT6/SPI_CS0
43
R51
100
PF1/INT5/SPI_MISO
42
R50
100
PF0/INT4/SPI_MOSI
U10
FB7
1K/100mA
41
PE7/SPI_CLK
SQ96B82
40
RP6
1
2
PE6/SPDIF_O/SPI_CS1
39
470R*4
3
4
PE5/SD_DAT3/RISC_CTS
38
5
6
PE4/SD_DAT2/RISC_RTS
37
7
8
PE3/SD_DAT1
36
PE2/SD_DAT0
R22
100
35
PE1/SD_CMD
R101
34
100
PE0/SD_CLK
33
VDD33
C128
1nF
DGND
S1V2
S3V3
DGND
FB11
C152 NC
C114
C52
C120
100pF
0.1U
0.1U
C702 22pF
C94
C72
C53
0.1U
C15
100pF
22uF,6.3V
0.1U
DGND
DGND
2
4
Y1
6
12M
DGND DGND
8
C701 22pF
DGND
A5V
3V3
Q4
SE3018
D
S
SCL
A
Q10
1/3
I2C_SDA
SE3018
A
3/3
A
2/3
I2C_SCL
D
S
SDI
Q3
SE3018
DC_OFFSET
A
2/3
D
S
SCE
ASP_RST
C155
C156
A
USB-CTL [4]
3/3
C154
150pF
150pF
150pF
STBY [3]
A
2/3
DGND
EEPROM
U12
NC(FT24C16A-USR-T)
1
8
A0
VCC
S3V3
2
7
A1
WP
3
6
A2
SCL
A
I2C_SCL
1/3
4
5
GND
SDA
I2C_SDA
A
2/3
C174
NC
C173
NC
R218
100K/1%
DGND
R399
15K
DGND
BT_TX_MCU
BT FLASH
MCU_TX_BT
TUNER_RST
I2C_SDA
A
A
1/3
2/3
I2C_SCL
R10
470
EVO_MCLK(16M)
LCD_SDI
A
1/3
A
LCD_SCL
2/3
LCD_SCE
POWER_EN
S_MUTE
EN_B
A
3/3
EN_A
BT-SF-CS
A
1/3
BSF-MISO
R92
47K
3V3
LCD_SCL
A
1/3
LCD_SDI
NC : No Mount
LCD_SCE
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.
A
1/3
MAIN BOARD PCB
(MPEG/DECT)
B+
S3V3
ACC+DTH
B+
D11
R277
M4D,400V/1A
12K/1%
ACC
A
1/3
BU_DECT
R121
R122
22K
4.7K
A
3/3
C243
D24
1nF
NC
R139
C64
NC
4.7K
DTH
S3V3
MCU FLASH
U9
W25Q80DV
1 CS
8
VCC
SF-CSN
A
1/3
2 DO
7
HOLD
SF-MISO
3 WP
6
CLK
BSF-CLK
A
1/3
4 GND
5
DI
BSF-MOSI
C172
C171
0.1U
2pF
DGND
DGND
DGND
R98
C96
R94
R96
R100
4.7K
5.6K
3.3K
2
MP3_R
3
C20
C111
C8
47nF
2.7nF
+2.9VA
1.5nF,50V
+2.9VA
5
R117
A
1/3
18K
6
R99
3.3K
C95
R93
R95
AGND
4.7K
5.6K
R97
MP3_L
C110
C91
C21
47nF
2.7nF
1.5nF,50V
R118
18K
AGND
+2.9VA
C14
C122
0.1U
10UF,10V
S3V3
R308
10K
ACC_DECT
A
1/3
R80
C45
100
NC
Q30
Z3
PMBT3904
5.6V/500mW
Q13
PMBT3904
C241
R201
100nF
5.6K/1%
DGND
S3V3
FB5
NC
U1
W25Q80DV
1 CS
8
VCC
2 DO
7
HOLD
3 WP
6
SF-CLK
CLK
A
1/3
4 GND
5
DI
SF-MOSI
C18
C48
0.1U
2pF
DGND
20k
180pF
C113
NC
C98 10uF
R105
1K
1
MPEGR
4
AGND
R103
47K
8
A
2/3
A5V8
7
AGND
180pF
C13
R104
1K
NC
MPEGL
C112 10uF
20k
R102
47K
AGND
A5V8
R89
R91
10K
100
S5V78
C100
C103
R90
0.1U
10K
10uF,16V
AGND
A
1/3