Block Diagram - Pioneer MVH-290BT Service Manual

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BLOCK DIAGRAM

MCU FLASH
B
KEY PCB
TN LCD
LCD101
SPI
LCD Driver
IC401
KEY
AD
EN100
AUX IN
CON102
USB
CON103
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CONNECTION DIAGRAM
A
MAIN BOARD PCB
B
KEY PCB
J9 and CON101: Drtachble connector
BT FLASH
1MB 1MB
U1 U9
SPI SPI
MPEG
U10
BT MODULE
USB
U403 U500
J9
CON101
A
MAIN BOARD PCB
GPIO EXPANDER
U8
Radio Tune
I 2C
SPI
L/R
U6
L/R
UART AMPLIFIER
L/R
MAIN BOARD PCB
Signal name J9
DTH 1
LAMP 2
EN_A 3
SDI 4
KEY1 5
SCL 6
USB5V 7
SCE 8
DM 9
EN_B 10
DP 11
KEY2 12
GND1/GND3 13
AUX_L 14
A5V 15
AUX_R 16
GND1/GND3 17
AUX-AGND 18
GND1/GND3 19
KEY0 20
FM/AM ANT
U3
L/R
ASP
U2
L/R
U4
KEY PCB
CON101 Signal name
20 DGND
19
18
17 LCD_SDI
16
15 LCD_SCL
14 K5V
13 LCD_SCE
12
11
10
9
8 USB_GND
7
6
5
4 DGND
3
2 DGND
1
LINE OUT/
S/W