Sony KV-G142M service manual Horizontal and Vertical Static Convergence

Page 13

3-2. CONVERGENCE

Preparation :

Before starting this adjustment, adjust the focus, horizontal size, and vertical size.

Minimize the brightness setting.

Provide dot pattern.

(1)Horizontal and Vertical Static Convergence

Center dot

R

G

B

R G B

V.STAT Magnet

 

RV 701

C board

SCREEN (G2)

 

1.(Moving vertically), adjust the V.STAT magnet so that the red, green and blue dots are on top of each other at the center of the screen.

2.(Moving horizontally), adjust the H.STAT VR so that the red, green and blue dots are on top of each other at the center of the screen.

Purity

V.STAT

KV-G14M2

RM-869

Operation of V.STAT magnet.

If the V.STAT magnet is moved in the direction of the a and b arrows, the red, green and blue dots move as shown below.

1

aab

b

b

B

B

G

G

 

 

 

 

R

R

2

aa

R G B

bb

B G R

3

 

a

a

b

b

R

 

 

B

 

 

 

 

G

G

 

b

B

R

 

 

Operation of BMC (Hexapole) magnet.

If the blue or red dot does not converge with the other two dots, perform following steps.

Move BMC magnet (a) to correct insufficient H.static convergence.

Rotate BMC magnet (b) to correct insufficient V.static convergence.

In either case, repeat Beam Landing Adjustment.

BMC magnet

a

b

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Image 13
Contents Trinitron Color TV Channel coverage SpecificationsTable of Contents Progr + Connections Presetting channels Watching the TV Adjusting the picture Board Removal Service Position Section DisassemblyRear Cover Removal F1 Board Removal Terminal Board Bracket Removal Replacement of PartsDemagnetization Coil Removal Picture Tube Removal ∙ Removal of ANODE-CAP ∙ Removing ProceduresBeam Landing Section SET-UP AdjustmentsHorizontal and Vertical Static Convergence ConvergenceDynamic Convergence Adjustment Preparation Focus AdjustmentMethod of Cancellation from Service Mode G2 Screen and White Balance AdjustmentsNonvolatile Section Self Diagnosis FunctionMemory Adjustments with Commander Section Circuit AdjustmentsAdjustment Method Adjustment Item Table OFM Item No VPX Picture Distortion Adjustment Board Adjustment After IC003 Memory ReplacementExploded View SectionChassis F35430206 Electrical Parts ListDiode D1NL20 DescriptionDiode EL1Z Diode GP08DCarbon REF.NOREF.NO. Part no Description Remark WirewoundFusible MetalSpark GAP SwitchGAP, Spark FILTER, Surface Wave TransformerScrew +BVTP HOLDER, FBTCapacitor Ceramic Chip2KV REF.NO. Part no Description3KV PLUG, Connector 3P PLUG, Connector 6PCeramic Chip 1MF FilterCOIL, VAR, Ferrite HWC JACK, PIN 2P Chip ConductorTransistor 2SC1623-L5L6 Transistor DTC143TKA-T146220 10W R040 300 Thermistor TRANSFORMER, Line FilterThermistor Positive Tuner Transistor 2SC2611 SOCKET, CRTTransistor 2SC2611 Resistor Carbon Variable ResistorBattery COVER, Remote Commander Remote CommanderMANUAL, Instruction Sony Corporation