LG FLATRON 27UD68WG, Service Manual, Page: 30 / 42

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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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EDID SN UPDATE 0x77 0 0x01~0x02
0x01 : HDMI1
0x02 : HDMI2
6.5. EEPROM Data Write
6.5.1 Siganl TABLE
LEN : 84h+Bytes
CMD : E8h
ADH : E
2
PROM Slave Address(A0,A2,A4,A6,A8,AA,AC,AE), Not 00h(Reserved by Buffer To EEPROM)
ADL : E
2
PROM Sub Address(00~FF)
Data : Write data
Delay : 20ms
6.5.2. Command Set
No. Adjustment contents CMD(hex) LEN Explanation
1 EEPROM WRITE E8 94
16
-Byte Write
2 (84+n) n-byte Write
* Use
„
FOS Default write :
<14mode data> write
SyncFlags,HPeriodH, HPeriodL, VtotalH,VtotalL, SrcHTotalH, SrcHTotalL
SrcHStartH, SrcHStartL, SrcVStartH,SrcVStartL, HsyncPhase
„
Temporary Data write: Write to particular address of EEPROM.
STOP
A A A A A 50 6E 03 CMD ADH 84+n START ADL A
CS
A
A Data_1 A . . . Data_n A
Delay 20m