Daewoo DLT - 42G1LTBD, Service Manual

Page: 12 / 55

-12-
S10
S11
S12
Main : Analog upgrade
DVB-T : DVB-T upgrade
Software Upgrade
For debugging mode I2C Stop
Shipping
fix
SERVICE MODE
4-2. Description of SERVICE MODE ITEM
A. S1(1): Heat-Run Key
B. S2(2): Gumi Channel Map Write
C. S3(3): Volume Test
=> This key can check sound
D. S4(4): EDIE WRITE
=> Using this key, you can update EDID data below method.
1. Connect two jumpers (P502) vertically
2. Press "S4" key and then, TV set display "EDID WRITE OK" upper left of screen.
3. If EDID writing is fail, TV set display "EDID Write Error" upper left of screen.
4. After EDID write, remove jumper
E. S5(5): PANEL TEST
=> Using this key, you can test problem of PANEL, as confirm white pattern, red
pattern,blue pattern, green pattern
F. S6(6): PICTURE TEST
=> Using this key, you can test brightness, contrast and color.
G. S7(7): DEMPOL CHANNEL MAP WRITE
H. S8(8): EEPROM Erase and White Balance adjustment
=> Using this key, you can erase EEPROM data and adjust White balance.
I. S9(9): Device control
=> This key only use for R&D.
J. S10(10): Option key
=> Using this key, you can adjust SSC, Dimming, Panel Type, Control key and etc.
K. S11(11): I2C STOP key
=> This key only use for R&D.
L. S12(SLEEP): Shipping key
=> Using this key, you can set up at shipping mode.