Hitachi C47-WD7000 Service Manual page 30

SERVICE ADJUSTMENTS
(3) Turn the G deflection yoke and adjust the Vertical raster inclination.
Ｌ≦ ±2mm
Ｌ
Vertical center axis of cross-hatch signal
(4) After GREEN Raster was adjusted correctly, then FIX DY Screw (See NOTE for Torque Spec.)
(5) Then, remove the cover of R or B lens and project red or blue light and green light together on the screen.
(6) Turn the deflection yoke of R or B and set so that the inclination of R or B light with respect to the green light
is as shown below on the end sides.
G
(7) After the adjustment, fix the screw of each DY with a torque of 1.18 Nm(12kgfcm).
Apply to Red and Blue.
Ｌ
1
<<Attention>>
After Raster Tilt Adjustment,
Gap of DY & PRT funnel should be Zero
Ｌ
2
30
Apply to green DY.
This line is GEOMETRIC
CENTER of PTV Screen.
Ｌ , Ｌ ≦±2mm
1 2
R or B