5-1
A93F0EA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: “CBA” is abbreviation for
“Circuit Board Assembly.”
Note:
Electrical adjustments are required after
replacing circuit components and certain
mechanical parts. It is important to perform
these adjustments only after all repairs and
replacements have been completed.
Also, do not attempt these adjustments unless
the proper equipment is available.
Test Equipment Required
1. DC Voltmeter
2. Pattern Generato
3. Color Analyzer
How to make the Service remote
control unit:
Cut “A” portion of the attached remote control unit as
shown in Fig. 1.
How to set up the service mode:
Service mode:
1. Use the service remote control unit.
2. Turn the power on.
3. Press the service button on the service remote
control unit as shown in Fig.1.
1. Purity Check Mode
This mode cycles through full-screen displays of red,
green, blue, and white to check for non-active pixels.
1. Enter the Service mode.
2. Each time pressing [7] button on the service
remote control unit, the display changes as
follows.
Fig. 1
service button
A
[7] button
Note:
When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
Red mode
Green mode
Blue mode
Black mode
[7] button
White mode
[7] button
[7] button
White 20% mode
[7] button
Summary of Contents for LH7-M19BB
Page 13: ...4 2 A93N2DC 2 Rear Cabinet 1 Stand Assembly S 3 S 2 S 2 S 2 S 2 S 2 S 4 S 4 S 1 Fig D1...
Page 35: ...9 4 A93N2SCM2 Main 2 4 Schematic Diagram...
Page 36: ...9 5 A93N2SCM3 Main 3 4 Schematic Diagram...
Page 37: ...9 6 A93N2SCM4 Main 4 4 Schematic Diagram...
Page 38: ...9 7 A93N2SCF Function Junction Schematic Diagram...
Page 42: ...9 11 A93N2SCD4 Digital Main 4 7 Schematic Diagram...
Page 68: ...LH7 M19BB A93N2EP 2009 07 23...
