Read LG 42LT560E-SA (CHASSIS:LJ2AC) 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)
※
LCD LAMP MODEL : The spec of color temperature and
coordinate
19” and 22”
Cool (C50)
9,300K
x = 0.285 (±0.002)
y = 0.293 (±0.002)
<Test signal>
- Inner pattern for W/B
adjust
- External white
pattern
(80IRE, 204gray)
Medium (0)
8,000K
x = 0.295 (±0.002)
y = 0.305 (±0.002)
Warm (W50)
6,500K
x = 0.313 (±0.002)
y = 0.329 (±0.002)
Over 26”
Cool (C50)
13,000K x = 0.269 (±0.002)
y = 0.273 (±0.002)
<Test signal>
- Inner pattern for W/B
adjust
- External white
pattern
(80IRE, 204gray)
Medium (0)
9,300K
x = 0.285 (±0.002)
y = 0.293 (±0.002)
Warm (W50)
6,500K
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
26/32/42LT360C
32/37/42LT560H
TARGET 271 276 287 296 315 332
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