Sony KV-T29SN81 service manual Blue Red Neck assy VM board

Page 16

KV-T29SN81

RM-870

Operation of BMC (Hexapole) Magnet

 

Y separation axis correction magnet adjustment.

If the red, green and blue dots are not balanced or aligned, then

1.

Receive the cross-hatch signal and adjust [PICTURE] to “MIN”

use the BMC magnet to adjust in the manner described below.

 

and [BRIGHTNESS] to “STANDARD” .

 

 

 

 

 

 

 

2.

Adjust the Y separation axis correction magnet on the neck

R G

B

R

G

B

R

G B

 

assembly so that the horizontal lines at the top and bottom of

 

 

 

 

 

 

 

 

the screen are straight.

 

 

 

 

 

 

 

 

 

Blue

Red

 

 

 

 

 

 

 

Neck assy

Neck assy

R

B

R

G

B

 

G

 

 

 

G

 

 

 

 

 

 

 

 

 

 

R

B

 

Red

 

 

 

 

 

 

 

 

 

Blue

 

 

 

 

 

 

 

VM board

VM board

Then use the H.STAT VR to adjust the red, green, and blue dots so that they coincide at the center of screen.

The respective dot position resulting from moving each magnet interact, so be sure to perform adjustment while tracking.

BMC (Hexapole)

Purity

V.STAT

Note: 1) The Red and Blue magnets should be equally far from the horizontal center line.

2)Do not separate the Red and Blue magnets too far. (Less than 8 mm)

– 16 –

Image 16
Contents Trinitron Color TV Specifications KV-T29SN81Table of Contents DiagramsDisassembly Electrical Parts List SET-UP AdjustmentsSelf Diagnosis Function Flickering FrequencySection General Connections Presetting channels Adjusting the picture and sound Selecting a stereo or bilingual program Troubleshooting Board Removal Service Position Section DisassemblyRear Cover Removal F1 Board Removal Replacement of Parts Demagnetization Coil Removal Replacement of Light Guide Power Button∙ Removal of ANODE-CAP ∙ Removing Procedures Picture Tube RemovalSection SET-UP Adjustments Beam LandingConvergence Horizontal and Vertical Static ConvergenceBlue Red Neck assy VM board Dynamic Convergence Adjustment Preparation Focus Adjustment G2 Screen and White Balance AdjustmentsSection Circuit Adjustments Adjustments with CommanderAdjustment Method Adjustment Item Table No OP0 * Input data are different according to models Item Number 00 Memo Semiconductors EL1Z GP08DExploded View SectionChassis Electrical Parts List PIN, Connector 4P PLUG, Connector 5PPLUG, Connector 6P CONNECTOR, Board to Board 12PDiode RU4DS Diode D1NL20-TADiode EL1Z Diode LNK0220022GTransistor 2SC2410SN Transistor 2SA1091-OTransistor 2SC3209LK Transistor 2SC4927-01Wirewound CarbonMetal Chip FusibleRES, ADJ, Carbon 2.2M Switch SolidVariable Resistor RES, ADJ, Carbon 470KREF. NO. Part no Description Remark Spark GAP GAP, Spark Surface Wave FilterSawf Transformer TRANSFORMER, Line FilterCarbon Coil Switch FilterIC CXA1110BS IC MSP3410D-PP-B4Transistor 2SC2611 SOCKET, CRT CoilCarbon Variable Resistor CLIP, Fuse Capacitor FuseFUSE, TIME-LAG 4A/250V Resistor Diode RD3.6M-B2Connector PLUG, Connector 7PTransistor 2SD774-34 Crystal VibratorIC NJM2903D IC NJM2904D CoilTransistor 2SA1837 Transistor 2SC4793Accessories and Packing Materials Remote CommanderBattery COVER, Remote Commander Miscellaneous COIL, Demagnetization