LG 14FU7RB, Руководство по обслуживанию

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5) Converge the R,G,B vertical line in unity by changing the
angle between the 2 tabs of the 6-pole magnet.
6) Converge the R,G,B horizontal line in unity by turning the
2 tabs of the 6-pole magnet. At this time, do not change
the angle between the 2 tabs.
(4) Dynamic Convergence (DYC) Adjustment
1) Y-Axis Adjustment : Adjust by moving DY right and left
2) X-Axis Adjustment : Adjust by moving DY up and down.
5-3. Block Diagram
Adjustment fundermental is before CPT factory without ITC
adjustment, need according to below order.
6. White Balance Adjustment
6-1. Necessary Instrument
1) Automatic White Balance Meter (Low/High Light Pattern
generator)
2) CRT Color Analyzer, CA-100: 1set
3) Factory Remote Control
6-2. Adjustment Preparation
Prior to this adjustment, the Screen Voltage adjustment
should be finished.
6-3. Automatic Adjustment
1) Adjust using Automatic White Balance Meter.
2) Enter CPU OFF Mode by press "IN-START" & "MUTE"
key of factory remote control in turn before adjustment.
After finishing adjustment, press the TV/AV key to exit.
*In case there is excess RED color at screen voltage
adjustment, adjust it using "VOLUME -(
F
)" key of remote
control until the RED color disappear.
6-4. Manual Adjustment
1) Adjust using white Balance meter and Factory Remote
controller.
2) Enter white balance adjustment mode by pressing
"INSTART" key of factory remote control.
3) Use the CH
D
, CH
E
Key to choose adjustment item.
4) Use the VOL
F
, VOL
G
Key to change item data.
5) Adjustment Procedure
a. Make the picture luminance 45Ft-L by changing the
“CONTRAST” and “BRIGHTNESS”.
b. Adjust X data of high light with R-DRIVE(VP7) and Y
data of high light with B-DRIVE(VP9) to have the color
temperature as shown below.
c. Make the picture luminance 4.5Ft-L by changing the
“CONTRAST” and “BRIGHTNESS”.
d. Adjust X data of low light with R-BIAS(VP4) and Y data
of low light with B-BIAS(VP6) to have the color
temperature as shown below.
e. Repeat steps a~d until both low and high light have
same readings as shown below.
7. Focus Voltage Adjustment
This adjustment must be done after operating the TV set
receiver sufficiently.
7-1. Adjustment Preparation
Received LG standard pattern (Digital Pattern, 480NC,13CH)
and set the picture condition on " APC ON" (CLEAR) mode.
7-2. Adjustment
Turn the focus volume on the FBT upper direction to have the
best focus vertical line and horizontal line as below:
DY and Magnet
assembled
CPT Assembly
Before CPT assembly, on CPT
NECK and DY, adhibit TAPE on
CPT contact part.
TAPE need OVER-LAPPING ,
parallel with NECK
STANDARD
more than 15 min Heat-Run
DY FIX Torque 9 ~ 11Kg f.cm
Magnet place
DY adjustment, can not engender
CPT neck shadow.
Convergence Magnet
Heat Run
Degaussing
STC Adjustment
Purity Adjustment
DY Fix
SCREEN Voltage ADJ
W/B Fix
FOCUS ADJ.
STC ADJ.
DYC ADJ.
6pole 4 2
15 ~ 20mm
Market Color Temperature X-AXIS Y-AXIS Remark
PAL 12,000°K 268±3 273±3 Auto white balance meter standard
<Fig. 3>
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