Crt Rotation - Hughes JVC 220 Service Manual

Chapter 3 Service Adjustments
Figure 3-5. CRT Mechanical Focus adjustments.
3.6

CRT Rotation

3-8
(be careful not to loosen the CRT thumbscrew which could
cause the CRT to rotate).
8. Tighten the set screws first, then the CRT focus lock screw.
NOTE: Tighten set screws before focus lock screw. The focus
lock screw can slightly defocus or rotate the CRT as it is being
tightened if the set screws are loose.
9. Repeat the above steps for the Red and Blue CRTs.
The CRT tilt adjustment aligns the CRT level with the screen. This
is a factory-set adjustment and should not need adjusting unless
the CRT or yoke is moved.
Remove the rear cover (Section 4.2) and tilt the electronic module
up (Sections 3.3).
Model 220 Service Manual