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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
*LGD panel biz need adjusting V-COM by software
Definition: adjusting V-Com level thereby show minimum flicker
Process: By LG cmd , Check Flicker Level and If Can’t meet Flicker spec,
Adjust V-com value through IIC line of panel. If flicker level meet spec, save V-com value at
EEPROM.
Connection Diagram
The type of Probe must be CA-P12/15 or CA-P15
V-com adjustment Spec
Model Flicker level
xxMP58xx
≤ 20
4. Signal composition for adjustment
4.1 I2C (100K BPS)
4.2 COMMUNICATION START
#Until ACK BIT goes LOW, Repeat it.
4.3 Command form.
Command form use DDC2AB standard communication protocol.
START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP
a. LEN : DATA BYTE number to send.
b. CMD : Command language that monitor executes.
c. VAL : FOS DATA
d. CS : Dada’s CHECHSUM that transmit
START 6E A STOP 50Ms
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