LG 47LE4500 / 47LE4600 (CHASSIS:LT01D) Service Manual ▷ View online
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(1) FHD RGB EDID Data (CS : 1D)
(2) FHD HDMI EDID Data (CS : D739)
(3) FHD HDM2 EDID Data (CS : D739)
(4) HD RGB EDID Data (CS : 93)
(5) HD HDMI1 EDID Data (CS : 7AD5)
(6) HD HDMI2 EDID Data (CS : 7AD5)
(7) HD HDMI3 EDID Data (CS : 7AB5)
(8) ASCII Code
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4.6. V-COM Adjust(Only LGD(M+S) Module)
- Why need Vcom adjustment?
A
The Vcom (Common Voltage) is a Reference Voltage of
Liquid Crystal Driving.
-> Liquid Crystal need for Polarity Change with every frame.
Liquid Crystal Driving.
-> Liquid Crystal need for Polarity Change with every frame.
- Adjust sequence
· Press the PIP key of th ADJ remote control.(This PIP key is
hot key to enter the VCOM adjusting mode)
(Or After enter Service Mode by pushing “ADJ” key, then
Enter V-Com Adjust mode by pushing “
Enter V-Com Adjust mode by pushing “
G
” key at “10. V-
Com”
· As pushing the right or the left key on the remote control,
and find the V-COM value which is no or minimized the
Flicker. (If there is no flicker at default value, Press the exit
key and finish the VCOM adjustment.)
Flicker. (If there is no flicker at default value, Press the exit
key and finish the VCOM adjustment.)
· Push the “OK” key to store value. Then the message
“Saving OK” is pop.
· Press the exit key to finish VCOM adjustment.
(Visual Adjust and control the Voltage level)
· V-COM default value is different from module.
1) 32LD450 : 417
2) 37LD450 : 432
3) 42LD450 : 433
2) 37LD450 : 432
3) 42LD450 : 433
4.7. Outgoing condition Configuration
- When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then Automatically turn off.
(Must not AC power OFF during blinking)
Confirm whether is normal or not when between power
board’s ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second.
board’s ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second.
Row Li ne
Column Line
C
LC
C
ST
Pane l
S
Y
S
T
E
M
Gat
e
Driv
e
IC
So urce D r i v e I C
Circuit Block
Ti m i n g
Co nt r o ll e r
Co nt r o ll e r
Po w e r
Blo ck
Blo ck
V
COM
Ga mma
Re f e r e nce V o ltage
Re f e r e nce V o ltage
Gamm a R eference
Volta ge
Volta ge
Da ta (R ,G,B ) & C ont ro l s ignal
Con t rol si gnal
Data (R ,G,B ) &
Con t rol si gnal
Con t rol si gnal
In
te
te
r
fa
c
e
TFT
Po w e r I n p u t
Power Input
Da t a I n p u t
Da t a I n p u t
V
COM
Liquid
Crys tal
Crys tal
V
COM
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A2
A21
A10
900
121
910
300
200
400
530
540
920
710
A5
A9
120
810
510
830
840
880
820
500
310
560
800
521
LV1
LV2
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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