Block Diagram - LG Flatron 775FT Service Manual

Color monitor
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< OSD Control >
SELECT
OSD
POWER
ON/OFF
BRIGHTNESS
CONTRAST
H / V POSITION
H / V SIZE
SPCC
TRAPEZOID
PIN BALANCE
5V
PARALLELOGRAM
ROTATION
TOP CORNER
BOTTOM CORNER
RECALL
DEGAUSSING
MOIRE
LANGUAGE
6.3V
Purity
15V
Control
Circuit
6.3V
15V
TILT
Control
Circuit
Degaussing
Circuit
15V
Line
Filter
SMPS
CONTROL
(IC901)
POWER INPUT
100~240VAC
(50/60Hz)
H-Sync Sig
V-Sync Sig
2
I
C DATA(SDA)
2
I
C CLOCK(SCL)
MICOM
5V
SCL / SDA
(IC401)
H/V Sync,
PWM Control
I
2
2
E
PROM
I
C
(IC402)
H/V Sync Processor
2
I
C
H/V
Sync
80V
50V
SMPS
15V
TRANS
(T901)
6.3V
Voltage
DPM
Regulating
CONTROL
Circuit
CIRCUIT
Signal
R
Cable
VIDEO
G
PRE-AMP
B
(IC302)
LM1269
OSD IC
5V
(IC301)
2
I
C
MTV038-15
R/G/B
Drive/Contrast
2
C
Cut-Off
X-RAY
15V
Protection
Circuit
Vout 1
( IC701 )
V-OUT
TDA4841
Vout 2
( IC601)
TDA4866J
H-OUT
( Q706)
H-DRV
H-Linearity
Correction
5V
DC/DC Converter
B-DRV
50V
D/D Feed Back
80V
Heater ( 6.3V )
VIDEO
DY
MAIN AMP
(IC303)
LM2469
15V
CUT OFF IC
(IC304)
LM2480
15V
Vertical Blanking,
Brightness Control
15V
- 160V
40V
FBT
( T701 )
B+
400V
Dynamic
Focus
Circuit
STEP UP
H.V
CDT
15V
Auto
Beam
Limit

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