Copyright©2009 LG Electronics.Inc. All right reserved.
Only for training and service purposes.
LGE Internal Use Only
- 4 -
1. Application Object
These instructions are applied to CW-62A/C chassis.
2. Notes
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input AC voltage of the receiver must keep rating
voltage in adjusting.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
(6) Signal : The standard color signal is approved in
65±1dBµV.
The standard color signal means digital pattern signal.
3. Focus Adjustment
3-1. Preparation for Adjustment
Receive the Cross-Hatch Pattern(Refer to Fig. 1) and
set
Picture mode to “DYNAMIC(CLEAR)”.
3-2. Adjustment
Adjust the upper Focus volume of FBT for the best focus of
screen quarter portion vertical line(red
circle).
4. Screen Voltage & Sub-Bright &
White Balance Adjustment
4-1. Adjustment of Screen Manually
(Using ADJ.Remote Control)
(1) Receive the NTSC or PAL signal into RF mode regardless of
channel.
(2) If you press the “ADJ” key in LINE SVC mode(IN-START
KEY), the mode changes to Horizontal Line mode for screen
adjustment.
(3) Adjust the SCREEN at disappear point Horizontal Line using
SCREEN VOL. of FBT (Press the Exit button to exit SVC mode)
4-2. Adjustment of White Balance Manually
NOTE : When adjusting white balance automatically, connect the
adjustment JIG in LINE SVC MODE. (When pressing IN-
START, MUTE key on remote control for adjustment
orderly, it changes to AUTO MODE and Left/Top of
screen displays “AUTO”.)
(1) Receive 100% white pattern.
(2) Adjust LOW Light status(4.5FL) of BLO-R(R CUT), BLO-
G(G CUT) .
(3) Adjust HIGH Light status(35FL) of RG(R-DRIVE), GG(G
DRIVE) at BG(B-DRIVE): 32.
(4) Repeat above step (2) and (3) for the best condition each
status of High Light and Low Light.
X: 267, Y: 276 (
Color Temperature: 13000
o
K)
4-3. Adjustment of Sub-Bright
(1) If you press the “ADJ” button on the
Remote Control for
adjustment in SCREEN adjustment Mode, mode changes
to Sub-Bright adjustment mode.
(Pressing the Instart-ADJ-ADJ and enter Sub-Bright
adjustment mode)
(Sub-Bright adjustment mode: 14CH, CONTRAST/BRIGHT
Initial data)
(2)
Adjust until number “3” almost disappears by using VOL +,
- key.
(3) After finishing adjustment, press the ADJ Key to exit.
ADJUSTMENT INSTRUCTIONS
(Table 1) White Balance Initial Data
LOW
LIGHT
HIGH
LIGHT
BLO-R(R CUT)
BLO-G(G CUT)
RG(R DRIVE)
GG(G DRIVE)
BG(B DRIVE)
32
32
32
32
32
Fix.
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
0 ~ 63
Menu
Range
Initial Data
US 9CH
(Fig. 1) Cross-Hatch Pattern
A
B
Gray Scale
Color Bar
2 3 4 5 6 7 8 9
(Fig. 2)
MONO SCOPE
Summary of Contents for 29FU1RL
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