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

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)

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