Canon KV-2199XDK service manual Section SET-UP Adjustments, Beam Landing

Page 22

KV-2199XDK

RM-952

SECTION 3

SET-UP ADJUSTMENTS

The following adjustments should be made when a complete

Perform the adjustments in the following order :

 

realignment is required or a new picture tube is installed.

1.

Beam Landing

These adjustments should be performed with rated power

2.

Convergence

 

supply voltage unless otherwise noted.

3.

Focus

 

 

4.

White Balance

Controls and switches should be set as follows unless otherwise noted:

Note : Test Equipment Required.

PICTURE control

normal

1.

Color-bar/Pattern Generator

BRIGHTNESS control

normal

2.

Degausser

 

 

3.

Oscilloscope

................................................................................................................................................................................................................................

Preparation :

In order to reduce the influence of geomagnetism on the set's picture tube, face it east or west.

Switch on the set's power and degauss with the degausser.

3-1. BEAM LANDING

1.

Input a white signal with the pattern generator.

 

BrightnessContrast } normal

2.

Position neck assy as shown in Fig3-2.

3.

Set the pattern generator raster signal to a green raster.

4.

Move the deflection yoke to the rear and adjust with the purity

 

control so that the green is at the center and the blue and the red

 

take up equally sized areas on each side.

 

(See Figures 3-1 through 3-3.)

5.

Move the deflection yoke forward and adjust so that the entire

 

screen is green. (See Figure 3-1.)

Neck assy

DY

Note:

Neck Assy is exactly behind DY (no gap between Neck Assy and DY)

Fig. 3-2

Blue

Red

Green

6.

Switch the raster signal to blue, then to red and verify the

 

condition.

7.

When the position of the deflection yoke has been decided,

 

fasten the deflection yoke with the screws and DY spacers.

8.

If the beam does not land correctly in all the corners, use a

 

magnet to adjust it.

 

(See Figure 3-4.)

Fig. 3-3

Purity control corrects this area.

ba

cd

Disk magnets or rotatable disk magnets correct these areas (a-d).

Fig. 3-1

Deflection yoke positioning corrects these areas.

b

c

a

d

Fig. 3-4

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Contents Trinitron Color TV Specifications KV-2199XDKDisassembly Table of ContentsDiagrams SET-UP AdjustmentsSelf Diagnostic Function Diagnostic Test IndicatorsDisplay of STANDBY/TIMER Light Flash Count Stopping the STANDBY/TIMER FlashSELF-DIAGNOSTIC Screen Display Handling of SELF-DIAGNOSTIC Screen DisplaySELF-DIAGNOSTIC Circuit +BÊovercurrentÊ»OCP¼Getting Started Connect the antennaConnecting video equipment using the ò Monitor output jacks Connecting optional componentsPreset the channels automatically Insert the batteries Into the remotePresetting channels automatically Presetting channelsSecuring the TV Presetting channels manually Skipping program numbersAdditional tasks Watching the TVChanging the on-screen display language Customizing the picture and sound Setting the Wake Up timerSetting the Sleep timer Selecting the picture and sound modesViewing your favorite channels Changing the favorite channel settingSelecting a favorite channel Blocking the channels Self-diagnosis functionTroubleshooting TroubleshootingIdentifying parts and controls Front panelRM-952 Remote Control Chassis Assy Removal Service Position Rear Cover Removal Bracket RemovalTerminal Bracket Removal Replacement of PartsDegauss Coil Removal ∙ Removal of ANODE-CAP ∙ Removing Procedures Picture Tube RemovalSection SET-UP Adjustments Beam LandingConvergence Horizontal and Vertical Static ConvergenceYCH TLV Focus Adjustment G2 Screen and White Balance AdjustmentsBlock Diagram AudioFrame Schematic Diagram Circuit Boards LocationSchematic Diagrams and Printed Wiring Boards SecamBoard Waveforms Power SUPPLY,HV Schematic Diagram of A2/2 board Printed Wiring Board BoardVM1 Cispr Printed Wiring Boards C3 Board WaveformsSemiconductors TransistorExploded View ChassisSection Electrical Parts List Description 1KV Diode 10ELS2N-TB5 Inductor 10MMH Carbon CMT,MELF Switch VM1 Sony