XOCECO LC-42R27, Service Manual

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3.1 EEPROM initialization and back light adjustment
Enter the firs page of factory menu, adjust item OPTION-1 to 9, OPTION-2 to 5 and back light to
255(LG PANEL) or 0(SHARP and CMO panel), select the EEPROM initial after, press the VOL+
button, then display the DOING, still the DOING disappear and turn off the unit.
Note: option-1 and option-2 function as follows:
Option-1 Option-2
Bit3 0: No memory function after power off for 10s
1: memory function after power off for 10s
0:no signal noise wave of TV
1:no signal blue screen of TV
Bit2,1 00: STANDBY
01: turn on
10: memory function of turn on
00:complexion correction (OFF)
01: complexion correction (WEAK)
10: complexion correction (MIDDLE)
11: complexion correction (STRONG)
Bit0 0: without LOGO
1: With LOGO
0: Video and Graphic channel white balance no share
1: Video and Graphic channel white balance share
3.2 HDMI channel adjustment
Input the VG-848 TIME854(800X600/60Hz) and PATTERN920 8-LEVEL gray signal, enter the
factory menu2(white balance adjustment menu), adjust the third step and the seventh step.
Adjust R-OFFSET, G-OFFSET and B-OFFSET item, still the third step and the seventh step color
coordinate to (285, 293). Adjust R-GAIN, G- GAIN and B- GAIN item, still the seventh step color
coordinate to (285, 293). Repeat adjustment R-OFFSET, G-OFFSET and B-OFFSET item and
R-GAIN, G- GAIN and B- GAIN item, still two step gray to (285, 293).
Enter the factory menu3 (cool and warm color temperature difference menu), adjust cool and warm
color temperature difference according the following table:
R-offset-D
elta
G-offset-D
elta
B-offset-D
elta
R-Gain-
Delta
G-Gain-
Delta
B-Gain-
Delta
27CMO 0 -1 1 0 -7 -22
32LG 0 0 0 0 -9 -26
26SHARP -1 -1 1 0 -11 -27
Warm
32SHARP 2 3 3 0 -13 -25
27CMO 0 -1 0 -25 -9 0
32LG -1 1 0 -24 -5 0
26SHARP 0 0 0 -23 -7 0
Cool
32SHARP 5 3 2 -30 -11 0
27CMO
32LG 0 -7 0 0 0 0
26SHARP 0 -5 0 0 -3 0
TV MODE
32SHARP
Note: R-OFFSET, G-OFFSET and B-OFFSET values must be an item value to 128 at least; R-GAIN,
G- GAIN and B- GAIN values must be an item value to 255 at least.
3.3 VGA channel adjustment
3.3.1 mode pre-set
Input the VGA signal of VG-848 (PATTERN 980:1 dot ON/OFF), select the TIME877 (720x400/70Hz)
signal, press auto-adjust button to all screen or adjust PC setting menu to auto correction. Separate
auto adjust for TIME885 (640x480/60Hz) and TIME854 (800x600/60Hz).