Set-Up Adjustments; Intializing Sfc Data; Beam Landing - Sony Trinitron KV-HR36M90 Service Manual

• The following adjustments should be made when a complete
realignment is required or a new picture tube is installed.
• These adjustments should be performed with rated power
supply voltage unless otherwise noted.
Controls and switches should be set as follows unless otherwise
noted:
PICTURE control ........................................................... normal
BRIGHTNESS control................................................... normal
...................................................................................................................................................................
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.
4-1. INITIALIZING SFC DATA
1. Set to the service mode.
2. Set to the coarse CONV and LAND adjustment mode.
3. Move the marker in the order as shown in the figure and set
its data to "0".
Landing: 1 t 2 t 3 t 4 t 5 t 6 t 7
Convergence: 1 t 2 t 3 t 4 t 5
Move the marker with the buttons R ,r , T and t on the
•
remote commander."
Press "ENTER" to decide the position.
Change the data with the buttons R ,r , T and t on the
remote commander.
SECTION 4

SET-UP ADJUSTMENTS

Perform the adjustments in the following order :

1. Beam Landing

2. Convergence
3. Focus
4. White Balance
Note : Test Equipment Required.
4-2. BEAM LANDING
1. Input a white signal with the pattern generator.
Contrast
Brightness
2. Position neck assy as shown in Fig4-1.
3. Set the pattern generator raster signal to a green raster.
4. Move the deflection yoke to the rear and adjust with the pu-
rity 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 4-1 through 4-3.)
5. Move the deflection yoke forward and adjust so that the
entire screen is green. (See Figure 4-2.)
6. Switch the raster signal to blue, then to green 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.
– 47 –
1. Color-bar/Pattern Generator
2. Degausser
3. Oscilloscope
}
normal
Neck assy
Behind the G2 edge
G1 G2 G3
Fig. 4-1
KV-HR36M90
RM-1007