Bang & Olufsen BeoSound 5, Service Manual

Page: 71 / 82

7.1 Overall block diagram – BeoSound 5 Overall block diagram – BeoSound 5 7.1 7.1
Micro controller
HD64F2215RUBR24V
Mainboard
Backlight Inverter
LCD 10.4"
STLVDS385
LVDS transmitter
TTL-> LVDS
SIL9011
HDMI receiver
DVI -> TTL
DCDC
converter
Standby
Video
USB
BeoMaster 5
12V_AUX
Driver
Speaker
IR_TX
STBY LED
STBY SWITCH
IR_SIGNAL
Control Navigator
Tacho
wheel
UI data
3V3_SB
12V_BL
3.3V_LCD
PCB ver
12V_BL
Dimming
IIC
D/A DMA
Debug
Connector
Backlight
ON/OFF
3V3_LCD
Power/
ir
1V8
3V3_SB
A/D
Input
C
o
n
n
e
c
t
o
r
ESD
protect
C
o
n
n
e
c
t
o
r
C
o
n
n
e
c
t
o
r
C
o
n
n
e
c
t
o
r
Filter /
ESD
protect
C
o
n
n
e
c
t
o
r
C
o
n
n
e
c
t
o
r
ESD
protect
7Bit
Gray
code
EEPROM
IIC
C
o
n
n
e
c
t
o
r
Connector
C
o
n
n
e
c
t
o
r
C
o
n
n
e
c
t
o
r
IR_TX
Volume
Tacho
wheel
IR
EEPROM
5V_SB
Keyboard
Left Rigth GO
IR circuit
3V3
PWM
->
DC
Light
sense
A/D
5V_SB_AUX
1V8
3V3_SB
3V3
LVDS
3V3
3V3
3V3_SB
3V3_SB
5V_SB
5V_IR
BOM rev
3V3_SB
RESET 3V3_SB
12V_BL
3V_LCD
Reset
SCDT
Active on HDMI input
PWRDWN
Connector
Overall block diagram – BeoSound 5