Kortek corporation
86
of
99
PDP R&D Center
F - B U F
F E 1
E F 1
I C 2 6 0 4 ( O u t p u t ) I C 2 6 0 4 ( O u t p u t )
E L 1
E C 1 _ B l o c k
E C 2 _ B l o c k
E C 3 _ B l o c k
E C 4 _ B l o c k
E C 5 _ B l o c k
E C 6 _ B l o c k
E C 7 _ B l o c k
3 2
4 9
C o n t r o l _ D a t a ( C L K ) - C h e c k c o n n e c t o r ( 8 0 p in) / IC pin
1 4
6
4 6
L o g i c B u f f e r " E "
1 8
2
1 6
4
F - B U F
F E 1
E F 1
I C 2 6 0 1 ( O u t p u t )
I C 2 6 0 1 ( I n p u t )
E L 2
E C 1 _ B l o c k
E C 2 _ B l o c k
E C 3 _ B l o c k
E C 4 _ B l o c k
E C 5 _ B l o c k
E C 6 _ B l o c k
E C 7 _ B l o c k
4 6
3 5
C o n trol_D a t a ( P O L ) - C h e c k c o n n e c t o r ( 8 0 p in) / IC pin
1 4
6
4 6
L o g i c B u f f e r " E "
1 8
2
1 6
4
F - B U F
F E 1
E F 1
I C 2 6 0 4 ( O u t p u t )
I C 2 6 0 4 ( I n p u t )
E L 1
E C 1 _ B l o c k
E C 2 _ B l o c k
E C 3 _ B l o c k
E C 4 _ B l o c k
E C 5 _ B l o c k
E C 6 _ B l o c k
E C 7 _ B l o c k
3 5
4 6
C o n t r o l _ D a t a ( S T B ) - C h e c k c o n n e c t o r ( 8 0 p i n ) / I C p i n
3
1 7
3 5
L o g i c B u f f e r " E "
7
1 3
5
1 5
Check Logic Buffer
Output
NG
NG
Check pin Open/Short
→ Replace the IC
OK
OK
NG
Check pin Open/Short
→ Replace the IC
OK
NG
Check pin Open/Short
→ Replace the IC