Read LG 47LA6800-CA.AHK (CHASSIS:LC33B) Service Manual online
LGE TV Research Lab.
Establish: 12. 05. 21
LC33B Adjust Specification
C2-2230
18/ 37
Reform: 12. 02. 03
LG Electronics
G Gain
j
b
00
C0
TBD
B Gain
j
c
00
C0
TBD
R Cut
TBD
G Cut
TBD
B Cut
TBD
Warm
R Gain
j
d
00
C0
TBD
G Gain
j
e
00
C0
TBD
B Gain
j
f
00
C0
TBD
R Cut
TBD
G Cut
TBD
5.3.5 Adj. method
5.3.5.1 Auto adj. method
1) Set TV in adj. mode using P-Only key
2) Zero calibrate probe then place it on the center of the Display
3) Connect Cable (RS-232C to USB)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sing), check adj. status pre mode
(Cool, Medium, Warm)
6) Remove probe and RS-232C to USB cable to complete adj.
▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”,
▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”,
and Adj. offset if need
5.3.5.2 Manual adj. method
1) Set TV in Adj. mode using P-Only Key.
2) Zero Calibrate the probe of Color Analyzer, then place it on the center of LCD module within
10cm of the surface..
3) Press ADJ key à EZ adjust using adj. R/C à 7. White-Balance then press the cursor to the
right (KEY▶).
(When KEY(▶) is pressed 204 Gray internal pattern will be displayed)
(When KEY(▶) is pressed 204 Gray internal pattern will be displayed)
4) Adjust modes (Cool) Fix the G gain to 172 (default data) and change the others ( R/B Gain ).
Adjust two modes ( Medium / Warm) Fix the one of R/G/B gain to 192 (default data) and
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