Read LG 22LG30R (CHASSIS:LP81K) Service Manual online
- 12 -
6. DDC Adjustment Command
6-1. DDC command protocol
(1) Signal Table
6-2. E2PROM Data Write
(1) Signal Table
LEN : 84h+Bytes
CMD : E8h
ADH : E
CMD : E8h
ADH : E
2
PROM Slave Address(A0,A2,A4,A6,A8), Not 00h
(Reserved by BufferToEEPROM)
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 A6”).
2) FOS Default write
<14-mode data>write
SyncFlags,HPeriodH, HPeriodL, VtotalH,VtotalL,
SrcHTotalH, SrcHTotalL, SrcHStartH, SrcHStartL,
SrcVStartH,SrcVStartL, HsyncPhase
SyncFlags,HPeriodH, HPeriodL, VtotalH,VtotalL,
SrcHTotalH, SrcHTotalL, SrcHStartH, SrcHStartL,
SrcVStartH,SrcVStartL, HsyncPhase
3) Random Data write : write to the appointment Address of
E2PROM.
6-3. E2PROM Data Read
(1) Signal Table
(2) Command Set
* Purpose : To read(84h) the appointment Address of
E2PROM by 128(80h)-byte
7. Function Check
7-1. Check display and sound
- Check Input and Signal items. ( cf. work instructions)
1.TV
2.AV (CVBS/ S-Video)
3.COMPONENT (480P)
4.RGB (PC : 1024 x 768 @ 60hz)
5.HDMI
6.PC Audio In and H/P Out
2.AV (CVBS/ S-Video)
3.COMPONENT (480P)
4.RGB (PC : 1024 x 768 @ 60hz)
5.HDMI
6.PC Audio In and H/P Out
* Display and Sound check is executed by Remote controller.
Aging On/Off
F3
00
FF/00
FF : ON / OO : OFF
Input select
F4
00
0x10 : TV
0x20 : AV
0x40 : Component
0x60 : RGB
0x90 : HDMI
R GAIN
16
00
00 - C0
Adjustment Gain
G GAIN
18
00 - C0
CSM COOL
B GAIN
1A
00 - C0
R GAIN
16
01
00 - C0
Adjustment Gain
G GAIN
18
00 - C0
CSM NORMAL
B GAIN
1A
00 - C0
R GAIN
16
02
00 - C0
Adjustment Gain
G GAIN
18
00 - C0
CSM WARM
B GAIN
1A
00 - C0
CSM mode
F2
00
00
COOL
01
NORMAL
02
WARM
AUTO ADC
F1
00
0, 1, 2
0:Adjustment Offset
1:Adjustment Gain
2:Adjustment Offset and Gain
EEPROM Read
E7
00
00
EEPROM read
EEPROM Write
E8
00
data
EEPROM write
ADR
VAL
Description
CMD
(hex)
(hex)
Adjustment Contents
CMD
ADR
VAL
Delay 20m
EEPROM READ
E7
A0
0
0-Page 0~7F Read
80
0-Page 80~FF Read
A2
0
1-Page 0~7F Read
80
1-Page 80~FF Read
A4
0
2-Page 0~7F Read
80
2-Page 80~FF Read
A6
0
3-Page 0~7F Read
80
3-Page 80~FF Read
Adjustment item
CMD(hex) ADH(hex) ADL(hex)
Details
EEPROM WRITE
E8
94
16-Byte Write
(84+n)h
n-byte Write
Adjustment item
CMD(hex)
LEN
Remark
128 Bytes
Delay 100ms
Click on the first or last page to see other 22LG30R (CHASSIS:LP81K) service manuals if exist.