Sony KV27FV16 service manual Section SET-UP Adjustments, Beam Landing, Adjustment Procedure

KV-27FV16/29FV16/29FV16C/32FS12/32FS16

SECTION 3

SET-UP ADJUSTMENTS

The following adjustments should be made when	Perform the adjustments in order as follows:
a complete realignment is required or when a new	1.	Beam Landing
picture tube is installed.	2.	Convergence
These adjustments should be performed with rated	3.	Focus
	4.	Screen (G2)
power supply voltage unless otherwise noted.
	5.	White Balance
Set the controls as follows unless otherwise noted:
VIDEO MODE: STANDARD	Note: Test equipment required:
	•	Color Bar Pattern Generator
PICTURE control: ................ Normal
BRIGHTNESS control: ........ Normal	•	Degausser
	• DC Power Supply
	•	Digital Multimeter
3-1. BEAM LANDING	5. Move the deflection yoke forward and adjust so that the entire
Before beginning adjustment procedure:	screen becomes green.
1. Degauss the entire screen.
2. Feed in the white pattern signal.

Adjustment Procedure

1.Input a raster signal with the pattern generator.

2.Loosen the deflection yoke mounting screw and set the purity control to the center as shown below.

Purity Control

6. Switch over the raster signal to red and blue and confirm
	the condition.			correctsPurity controlthisarea
7.	magnets.
	When the position of the defl				tion yoke is determined,
	tighten it with the deflection yoke m unting screw.
8.	If landing at the corner is n right, adjust by using the disk
control so that green is in the center and red and blue are	thesemagnetsareascorrect(a-d)			c	d
3. Turn the raster signal of the pattern generator to green.			Deflectionyokepositioning
Blue Red		db		correctstheseareas
4. Move the deflection yoke backward and adjust the purity		orDiskrotatablemagnetsdik		a	b
at the sides evenly.					ca
Green

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