Read LG 39LN549C (CHASSIS:LA3AA) Service Manual online
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3.1. ADC Process(TBD)
3.1.1. ADC
■ Enter Service Mode by pushing “ADJ” key,
Calibration”
=> Caution : Using ‘power on’ button of the Adjustment R/C,
power on TV.
※
ADC Calibration Protocol (RS232C/USB)
NO
Item
CMD 1 CMD 2 Data 0
Enter
Adjust MODE
Adjust
‘Mode In’
A
A
0
0 When transfer the
‘Mode In’,
Carry the command.
ADC adjust
ADC
Adjust
A
D
1
0 Automatically adjust-
ment
(The use of a inter-
nal pattern)
※
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component1 Input (480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ xb 00 60 [RGB Input (1024*768)]
▪ ad 00 10 [Adjust 1024*768 RGB]
▪ aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
3.2. Function Check
3.2.1. Check display and sound
■ Check Input and Signal items. (cf. work instructions)
(1) TV
(2) AV (CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In
* Display and Sound check is executed by Remote controller.
※
※
Caution : Not to push the INSTOP KEY after completion if
the function inspection
4. Total Assembly line process
4.1. Adjustment Preparation
■ W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (80IRE) – in case of
CCFL back light
CA210 : CH14, Test signal : Inner pattern (80IRE) – in case of
LED back light
■ Above 5 minutes H/run in the inner pattern. (“power on” key of
adjust remote control)
Color
Temperature
Cool
13,000k
K
X=0.269
(±0.002)
Y=0.273
(±0.002)
<Test signal>
Inner pattern
(204 Gray
80IRE)
Medium
9,300k
K
X=0.285
(±0.002)
Y=0.293
(±0.002)
Warm
6,500k
K
X=0.313
(±0.002)
Y=0.329
(±0.002)
■ LED Model : W/B adjust target value
Cool
Medium
Warm
Remark
X
y
x
y
x
y
SPEC
269
273
285
293
313
329 ALL LED Model
32/39/42LN549C/E-SA
TARGET
271
276
287
296
315
332
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