Sunday, December 06, 2015

LG LCD MONITOR W2234S-SNI - W2234S - SERVICE MODE and SOFTWARE UPGRADE

LG W2234S-SNI - W2234S-BNI.Axx*QP - How to enter Service Mode - How to Upgrade the Firmware
xx * means sales region and module type 
(AxxIQP: INL 5ms, AxxVQP: AUO 5ms)

SERVICE MODE 
1. Press MENU Key and Power Key, Monitor Will Enter Service OSD.
2. The SVC OSD menu contains additional menus that the User OSD menu as described below.
a. CLEAR ETI : To initialize using time.
b. Auto Color : W/B balance and Automatically sets the gain and offset value.
c. AGING : Select Aging mode(on/off).
d. MODULE : Show Current module Type
e. LG LOGO: ON / OFF. (Yes or No to display the Splash OSD in AC/DC power On time.)
f. DFC: ON / OFF. (Yes or No to apply the operation of DFC function.)
g. NVRAM INIT : EEPROM initialize.(24C04)
h. R/G/B-9300K : Allows you to set the R/G/B-9300K value manually.
i. R/G/B-6500K : Allows you to set the R/G/B-6500K value manually.
j. R/G/B-Offset : Allows you to set the R/G/B-Offset value manually.(Analog Only)
k. R/G/B-Gain : Allows you to set the R/G/B-Gain value manually.(Analog Only)
l. RS232: Enable/Disable Debug Mode(on/off)
m. sRGB: Allows you to set the sRGB value manually.
SOFTWARE UPGRADE
Software
a. port95nt.exe
b. Edid.exe
c. Writing data: Mars W2234
Hardware
a. PC winXP, win2000 or win98 1 pc;
b. Writing tools Including EDID writing card, connecting cable etc)
EDID WRITING CONNECTION
EDID Writing SOP:
a. Select File sub-menu, select  Auto Write.
b. Select Model of main menu. Password: 1234
c. Select written model W2234S
d. Input product serial number (The SN is 12 numbers) in “S/N”Column, then the program auto writing start.
SMPS & Back-light inverter Schematic =► Power Regulator & Back-light Inverter