Main Block Diagram - Bang & Olufsen BeoVision 4-50 EU Service Manual

Plasma display panel – 50 hd
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S.R.
C1
DATA DRIVER
SU
SCAN OUT
S/P
SC2
SC23
64
VSUS
15V
S/P
SC20
64
S/P
64
SOS1
SOS2
S/P
64
CONTROL
PULSE
S/P
64
S/P
64
SUSTAIN
PULSE
S/P
64
S/P
SCAN
64
PULSE
S/P
64
VOLTAGE
S/P
GENERATOR
64
S/P
64
S/P
64
SC
SD
SCAN DRIVE
SCAN OUT
+
SP
-
R
H3
SPEAKER
TERMINAL

Main block diagram

S.R.
S.R.
S.R.
S.R.
C10
C20
C11
C22
C2
DATA DRIVER
D
DIGITAL SIGNAL PROCESSOR
FORMAT CONVERTER
PLASMA AI PROCESSOR
DISCHARGE
D20
CONTROL
CONTROL
MAIN MPU
ROM
EEPROM
IIC
LVDS
LVDS
A/D
D1
D5
J5
J6
J1
CONTROL
SYNC
SEPARATOR
VD
HD
SYNC
SW
VIDEO SW
9V
5V
3.3V
AUDIO
PROCESSOR
L
AUDIO SW
SLOT I/F,
SYNC PROCESSOR
AUDIO PROCESSOR
J11
J12
J13
J14
HX1
HX
DVI-D Input
PC
RS-232C
PC AUDIO IN
module
C6
DATA DRIVER
S.R.
S.R.
8.
8.
Main block diagram
S.R.
S.R.
C21
C31
C23
C33
C24
C25
D31
D32
(1.2V)3.3V
1.5V
P
STB3.3V
DC/DC
+5V
CONVERTER
STBY5V
D25
P25
+12V
ON/OFF
OSD
SOS
FORMAT
PLASMA AI
SDRAM
CONVERTER
RGB
SUB-FIELD
ROM
PROCESSOR
PROCESSOR
SDRAM
SUS
STB14V
CONTROL
SOS
STB5V
D3
D34
D33
J3
J2
J15
F_STB_14V
J10
P10
F_STB_14V
DR15V
+15V
SOUND12V
J4
P5
+12V(s)
DIG12V
+12V
DC_DC
CONVERTER
L OUT
J8
R OUT
J7
R
V34
J
V1
V2
V15
C54
C5
DATA DRIVER
C61
C52
C60
C50
S.R.
S.R.
S.R.
S.R.
S.R.
S.R.
S.R.
Vda
C35
C3
DATA DRIVER
P23
P2
POWER
15V
SUPPLY
VSUS
P11
SS11
VDA
PROCESS
15V
VOLTAGE
SUSTAIN
12V
RECTIFIER
VOLTAGE
5V
RECTIFIER
PROCESS
SUSTAIN
VOLTAGE
VOLTAGE
CONTROL
CONTROL
STANDBY
VOLTAGE
POWER
RECTIFIER
FACTOR
CONTROL
STANDBY
VOLTAGE
RECTIFIER
CONTROL
STB_PS
STB_PS_ON
RECTIFIER
RELAY
P12
SS12
15V
Vda
LINE
FILTER
5V,15V
FAN CONT
P30
FAN SOS
Vda
P9
SS42
AC IN
LED_G POWER ON
LED_R STAND-BY
REMOTE
RECEIVER
REMOTE RECEIVER/LED_G,R
KEY SW
VOL
TV/
VOL
F
STR
DN
VTR
UP
C55
C4
DATA DRIVER
C53
C43
C51
C41
S.R.
S.R.
S.R.
S.R.
8.
PB
FAN
CONTROL
PB30
AVR
PB31
PB33
FAN
SOS
PB35
SS35
SS2
Vda
VSUS
SS23
SS20
SS
SUSTAIN
DRIVE
ADDRESS
VOLTAGE
(VE)
SUSTAIN
PULSE
ERASE
PULSE
15V
SUS
SS21
SS22
SOS
SS3
SS44
SS34
S1
POWER SW
STB_PS
S34
STB_PS_ON
+
SP
-
L
H3
SPEAKER
TERMINAL
Vda
SOS/SUS
C42
C44
S.R.
S.R.

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