LG LN-15A10, Руководство по обслуживанию

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1. Application Object
This instruction is for the application to the LCD TV.
2. Notes
(1) This set uses an adapter, so connect the adapter and the
set correctly before adjustment.
(2) The adjustment must be performed under the correct
sequence.
(3) The adjustment must be performed in the circumstance of
25
!
5 c C of temperature and 65
!
10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep 220V, 60Hz in
adjusting.
(5) The set must be operated for 30 minutes preliminarily
before adjustment if there is no specific designation.
[
‘Heat Run’ must be performed with the full white signal or TV
noise signal in the internal part of the set.
[
The time for ‘Heat Run’ can be changed owing to production
plan.
3. TV Mode Adjustment
Before entering into the adjustment mode set the TV up with
the MENU button as below.
Contrast 85
Brightness 100
Saturation 50
Tint 0
3-1. White Balance Adjustment
3-1-1. Required Test Equipment
(1) A Remote Control
(2) A Color Analyzer for LCD : CA-110
(3) A TV Signal Generator : Pattern of 64 (128) tones or Ch. 13
in the company.
3-1-2. Preparation for Adjustment
(1) This adjustment should be performed 30 minutes later
after ‘Heat Run’.
(2) This adjustment should be performed in a darkroom or in
the simmilar condition.
3-1-3. Low Light Adjustment
(1) Seletc Ch.13 in the company.
(2) Enter into the adjustment mode with the ADJ button.
(3) Select the Sub-bright and stop adjusting at the moment
when Gray 0 and 1 aren’t distinguished.
4. PC Input Mode Adjustment
4-1. Required Test Equipment
(1) A pattern generator being in proportion to VG819 ; Pattern
of 64 tones
(2) A remote control
4-2. Preparation for Adjustment
(1) Perform ‘Heat Run’ for more than 30 minutes in white
pattern.
(2) Connect the signal of pattern generator with LCD TV.
(3) Lean the set 45° backward. (Adjustment is easy.)
(4) Set the PC mode menu as below.
4-3. White Adjustment
(1) Approve the signal of 64 tones of XGA(1024 * 768).
(2) Select all the gain of R, B and G with using ADJ of remote
control.
(3) After making 62 tones, 63 tones and 64 tones not
distinguished with using each signal of R, G and B, finish
adjusting at the moment when the signal 62, 63 and 64 is
distinguished.
ADJUSTMENT INSTRUCTION
IC
VPC3230D
VPC3230D
VPC3230D
Name
BR
ACC_Sat
Tint
Default
0
2930
0
Unit-Decimal
Adj. Mode
No.304
No.236~237
No.248
IIC Type
IIC 0x52/7:0/
IIC 0x30/11:0/
Fp 0xDC
Low Light(Black)
3
x
3
y
Brightness:[cd/m^2]
Blue
0.14
0.10
Green
0.30
0.60
White
0.32
0.34
150[cd/m^2]
Red
0.63
0.34
45°
Initial Value
Contrast
70
Brightness
100
R
0.63 0.34
0x02
G
0.30 0.60
0x03
B
0.14 0.10
0x04
Error
!
0.03
Register
Color Coordinates(x,y)
AD9884