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6. Press [4] button on the service remote control unit
for Red adjustment. Press [5] button on the
service remote control unit for Blue adjustment.
7. In each color mode, Press [CH o / p] buttons to
adjust the values of color.
8. Adjusting Red and Blue color so that the
temperature becomes 9200K (x: 286 / y: 294)±3%.
9. At this time, Re-check that Horizontal line is white.
If not, Re-adjust Cut-off Adjustment until the
Horizontal Line becomes pure white.
10. Turn off and on again to return to normal mode.
Receive APL 100% white signal and Check
Chroma temperatures become 9200K (x: 286 / y:
294)±3%.
Note: Confirm that Cut Off Adj. is correct after this
adjustment, and attempt Cut Off Adj. if
needed.
14. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Test Point
Adj. Point
[CH o / p]
---
buttons
Tape
M. EQ.
Pattern
---
Generator
Figure
White
Note: IQW Setup level --- 7.5 IRE
Use service remote control unit
1. Enter the Service mode. (See page 5-1.) Then
input IQW signal from RF Input.
2. Press [MENU] button on the service remote
control unit and Select "BRT" mode. (Display
changes "BRT," "CNT," "CLR," "S-CLR," "TNT," "V-
TNT," "S-TNT," "SHARP," and "S-SRP," cyclically
when [MENU] button is pressed). Press [CH o /
p] buttons so that the bar is just visible (See
above figure).
3. Turn the power off and on again. (Main power
15. Focus Adjustment
Purpose: Set the optimum Focus.
Symptom of Misadjustment: If Focus Adjustment is
incorrect, blurred images are shown on the display.
Note: Focus VR (FBT) --- Main CBA,
1. Operate the unit more than 30 minutes.
2. Face the unit to the East and Degauss the CRT
3. Input the Monoscope Pattern.
4. Adjust the Focus Control on the FBT to obtain
The following adjustments normally are not
Mode
Input
attempted in the field. Only when replacing the
CRT then adjust as a preparation.
RF
IQW
16. Purity Adjustment
Spec.
Purpose: To obtain pure color.
See below
Symptom
Adjustment is incorrect, large areas of color may not
be properly displayed.
Black
This bar
just
visible
Fig. 4
1. Set the unit facing east.
2. Operate the unit for over 30 minutes before
5-6
button on the TV unit.)
Test Point
Adj. Point
---
Focus Control
Tape
M. EQ.
Pattern
---
Generator
FBT = Fly Back Transformer
using Degaussing Coil.
clear picture.
of
Misadjustment:
Test Point
Adj. Point
Deflection Yoke
---
Purity Magnet
Tape
M. EQ.
Pattern
---
Generator
Figure
GREEN
RED
adjusting.
Mode
Input
---
Monoscope
Spec.
See below
If
Color
Purity
Mode
Input
---
Red Color
Spec.
See below
BLUE
Fig. 5
L3300EA
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