Epson GT-7000 Service Manual page 26

EPSON GT-7000
C C D B o a r d
L a m p
&
I n v e r t e r B o a r d
Rev. A
I m a g e D a t a
( R / G / B )
C o n v e r t e r
A M P .
( I C 2 4 )
R e s e t I C
( I C 7 )
C R M o t o r
C R
M o t o r
Figure 2-7. Control Circuit Block Diagram(USB)
S R A M
( I C 8 , I C 1 2 )
1 2 - b i t
A / D D a t a
E 0 2 A 2 8 ( I C 2 1 )
U S B C o n t r o l l e r
( I C 2 5 )
P R O M
D r i v e r
C P U ( I C 2 2 )
( I C 1 )
Chapter 2 Operating Principles
D - R A M
I C 1 9 , I C 2 0 )
C L K ( C R 1 )
3 . 3 V
R e g u l a t o r
( I C 1 0 )
8 - b i t D a t a
U S B - A
( I C 5 )
C L K ( C R 2 )
19