LG Flatron T730BH - BLOCK DIAGRAM

BLOCK DIAGRAM
- 1 0 -
Power Input
100~240V AC
(50/60Hz)
Line Filter
Degaussing
Circuit
[ OSD Control ]
SMPS Control (IC901)
TILT Control Circuit
6.3V
E
2
PROM
(IC402)
5V
H-Sync
V-Sync
I
2
C DATA(SD A)
I
2
C CLOCK(SCL)
VIDEO
Pre- AMP /
OSD
(IC302)
Video
Signal
R G B
VIDEO
Main AMP
(IC303)
CUT OFF Circuit
(IC304)
80V
MICOM & H/V Sync Processor
( IC401 )
SAA4849
V-Out
( IC601)
TD A486 7J
H-Out
( Q706)
H-Linearity Correction
X-R AY
Protection
Circuit
Dynamic
FOCUS
Circuit
Brightness Control
- 160V
40V
D/D
Feed Back
SCL / SDA H-Sync/V-Sync PWM Control Signal
50V
DY CDT
Heater ( 6.3V )
I
2
C
Screen
H.V
R/G/B
Bias
H - Drive
B-Drive
B+
DPM Control Circuit
5V
6.3V
8V 80V
Voltage feedback
Degaussing Coil
Dynamic Focus
Static Focus
TILT Coil
50V 80V
5V
G2
G1
Auto Beam LimitDC/DC Converter
FBT
( T701 )
Regulation
Circuit
SMPS
(T901)
5V
BRIGHTNESS
CONTR AST
MOIRE
DEG AUSSING
H / V POSITION
H / V SIZE
SPCC
TR APEZOID
PIN BAL ANCE
PAR ALLELOGR AM
ROTATION (Tilt)
RECALL / RESET
COLOR
INFORMATION
LANGU AGE
OSD TIME
TOP/BOTTOM CORNER
VIDEO LEVEL
OSD CONTROL LOCK
13V
13V
13V
13V
13V
13V