Anonymous posted an answer for this Hitachi 53UWX10B 53" Rear Projection Television:
"What does the magic focus 4 error mean? on a Hitachi rear projection tv"
Anonymous posted an answer for this Hitachi 53UWX10B 53" Rear Projection Television:
"Error 4 is listed as an overflow in the convergence section. To fix: 1. Check the..."
Televison & Video 1 answer