Read LG 47LB5DF (CHASSIS:LA75A) Service Manual online
Notice) Adjustment Mapping information(Only 37/42LB5DF)
- When Color temperature (White balance) Adjustment
(Automatically)
(1) Press "Power only key" of service remocon and operate
automatically adjustment.
(2) Set BaudRate to 115200.
- You must start "wb 00 00" and finish it "wb 00 ff".
- If it needs, then adjustment "Offset
- If it needs, then adjustment "Offset
O
White Balance Adjustment (Manual adjustment)
1) Test Equipment: CA-210
- Using LCD color temperature, Color Analyzer (CA-210)
must use CH 9, which Matrix compensated (White, Red,
Green, Blue compensation) with CS-2100. See the
Coordination bellowed one.
Green, Blue compensation) with CS-2100. See the
Coordination bellowed one.
2) Manual adjustment sequence is like bellowed one.
- Turn to "Ez-Adjust" mode with press ADJ button of
service remocon.
- Select "10.Test Pattern" with CH+/- button and press
enter. Then set will go on Heat-run mode. Over 30
minutes set let on Heat-run mode.
minutes set let on Heat-run mode.
- Let CA-210 to zero calibration and must has gap more
10cm from center of LCD module when adjustment.
- Press "ADJ" button of service remocon and select
"7.White-Balance" in "Ez-Adjust" then press "
G
" button
of navigation key.
(When press "
G
" button then set will go to full white
mode)
- Adjust at three mode (Cool, Medium, Warm)
- If "cool" mode (42LB5DF-UL, 37LB5DF-UL)
- If "cool" mode (42LB5DF-UL, 37LB5DF-UL)
Let B-Gain to 192 and R, G, B-Cut to 64 and then
control R, G gain adjustment High Light adjustment.
control R, G gain adjustment High Light adjustment.
- If "Medium" and "Warm" mode (42LB5DF-UL,
37LB5DF-UL)
Let R-Gain to 192 and R, G, B-Cut to 64 and then
control G, B gain adjustment High Light adjustment.
control G, B gain adjustment High Light adjustment.
- All of the three mode (47LB5DF-UL, 47LC7DF-UK)
Let R-Gain to 192 and R, G, B-Cut to 64 and then
control G, B gain adjustment High Light adjustment.
control G, B gain adjustment High Light adjustment.
- With volume button (+/-) you can adjust.
- After all adjustment finished, with Enter (
G
key) turn to
Ez-Adjust mode. Then with ADJ button, exit from
adjustment mode
adjustment mode
=> Attachment : White Balance adjustment coordination and
color temperature.
O
Using CS-1000 Equipment.
- COOL : T=11000K,
∆
uv=0.000, x=0.276 y=0.283
- MEDIUM : T=9300K,
∆
uv=0.000, x=0.285 y=0.293
- WARM : T=6500K,
∆
uv=0.000, x=0.313 y=0.329
O
Using CS-210 Equipment. (9 CH)
4.4 Test of RS-232C control.
Press In-Start button of Service Remocon then set the
"4.Baud Rate" to 115200. Then check RS-232C control and
"4.Baud Rate" to 115200. Then check RS-232C control and
4.5 Selection of Country option.
- Models: All models which use LA75A Chassis (See the first
page.)
- Press "In-Start" button of Service Remocon, then enter the
"Option" Menu with "PIP CH-" Button
- Select one of these three (USA, CANADA, MEXICO)
defends on its market using "Vol. +/-"button
- 17 -
RS-232C COMMAND
CENTER
[CMD ID DATA]
MIN
(DEFAULT)
MAX
Cool Mid
Warm
Cool
Mid
Warm
R Gain
jg
ja
jd
00
184
192
192
192
G Gain
jh
jb
je
00
187
183
159
192
B Gain
ji
jc
jf
00
192
161
95
192
R Cut
64
64
64
127
G Cut
64
64
64
127
B Cut
64
64
64
127
Color temperature Test Equipment
Color Coordination
x
y
COOL
CA-210
0.276±0.002
0.283±0.002
MEDIUM
CA-210
0.285±0.002
0.293±0.002
WARM
CA-210
0.313±0.002
0.329±0.002
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