Chroma Shifted

Customer Adjustment
Internal Adjustment
Chroma circuit
CRT/Picture tube (rare)


Poor Focus

Adjustment
Flyback
CRT/Picture tube


Poor Puriety

Speakers next to TV
Near by lightning
Kids with magnetic toys
Degaussing circuit


Short Vertical

Adjustment
Vertical circuit


No Vertical Sweep

Service Switch
Adjustment
Vertical circuit


Snowy Picture

Loose antenna fitting
Weak tuner
VCR or its antenna


Short Horizontal

Adjustment
Horizontal Circuit
Yoke


No Horizontal Sync

Horizontal circuit
Video Circuit (rare)


Poor Convergence

Adjustment
Convergence circuit
Yoke


No Luminance

Service Switch
Video circuit
Adjustment


Weak CRT

Picture tube


Grey Scale

Adjustment
CRT Driver circuit
Video circuit


Poor Focus

Adjustment
Picture Tube


No Chroma

Adjustment
Chroma circuit


Ghosting

Poor reception
Bad Antenna


Retrace Lines

Adjustment
CRT Driver circuit
Picture Tube


Horizontal Frequency

Adjustment
Horizontal circuit
Protection circuit (rare)


Shorted CRT

CRT


Pincushion

Adjustment
Pincushion circuit


All Snow

No Antenna hooked up
Tuner