Read LG 26LG4000 (CHASSIS:LD86A) Service Manual online
5.4. Adjustment Commands(LENGTH=84)
5.6. E
2
PROM Data Write
(1) Signal TABLE
LEN : 84h+Bytes
CMD : 8Eh
ADH : E
CMD : 8Eh
ADH : E
2
PROM Slave Address(A0,A2,A4,A6,A8), Not 00h
(Reserved by Buffer To EEPROM)
ADL : E
2
PROM Sub Address(00~FF)
Data : Write data
(2) Command Set
* Purpose
1) EDID write : 16-byte by 16-byte, 8 order (128-byte)
write(TO “00 – 7F” of “EEPROM Page A4”).
2) FOS Default write : 16-mode data (HFh, HFl, VF, STD,
HP, VP, Clk, ClkPh, PhFine) write
3) Random Data write : write the appointment Address of
E
2
PROM.
5.7. VRAM Read
- Send CMD(70h) to read Video RAM value from MICOM And
save its value to 128-Bytes Buffer(Common Buffer for the
use of EDID)
use of EDID)
- Delay 500ms (Time to Wait and Read Video RAM from
MICOM)
- Be transmitted the contents of MICOM’s 128-bytes Buffer to
PC. (128th Data is the CheckSum of 127-bytes data : That’s
OK if the value of adding 128-bytes Data is Zero)
- 14 -
Adjustment Contents CMD(hex)
ADR
VAL[HEX]
Description
FACTORY ON
E0
00
00
Factory mode on
FACTORY OFF
E2
00
00
Factory mode off
EEPROM ALL INIT.
E4
00
00
EEPROM All clear
EEPROM Read
E7
00
00
EEPROM Read
EEPROM Write
E8
00
data
EEPROM Write by
some values
COLOR SAVE
EB
00
00
Color Save
(R/G/B cutoff, Drive,
Contrast, Bright)
H POSITION
20
00
00 – 64
They have different
V POSITION
30
00
00 – 64
range each mode,
CLOCK
90
00
00 – 64
FOS Adjustment
PHASE
92
00
00 – 64
R DRIVE
16
00:cool
00 – 80
Drive adjustment
01:medium
02:warm
G DRIVE
18
00 :cool
00 – 80
01:medium
02:warm
B DRIVE
1A
00:cool
00 – 80
01:medium
02:warm
R CUTOFF
80
00
00 – 7F
Offset adjustment
G CUTOFF
82
00
00 – 7F
B CUTOFF
84
00
00 – 7F
BRIGHT
10
00
00 – 3F
Bright adjustment
CONTRAST
12
00
00 - 64
Luminance adjustment
AUTO_COLOR_
F1
00
02
Auto COLOR
ADJUST
Adjustment
CHANGE_COLOR_
F2
00
0,1,2,3
0: Cool
TEMP
1: Medium
2: Warm
3: User
White Pattern
F3
00
00,FF
00: White pattern off
FF: White pattern on
AUTO_
F4
00
0,10,20,30, 0 : TV
INPUTCHANGE
40,60,90
10 : DTV
20 : SCART1
30 : SCART2
40 : Component
60 : RGB
90 : HDMI
Delay 20m
EEPROM WRITE
E8
94
16-Byte Write
84+n
n-byte Write
Adjustment item
CMD(hex)
LEN
Remark
70
00
00
6F
A
A
Data 1
START
Data 128
STOP
NA
CS
...
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