ÿþ1 2 3 4 5 6
+ 5 V _ M 2 . 5 V _ M
U 5 0 3 T P 2 1 7 A 2 . 5 V _ M
M C 3 3 3 7 5 S T - 2 . 5 T E S T P A D
1 3
V I N V O U T
L 5 0 0 L 5 0 2
F E R R I T B E A D C 5 0 7 F E R R I T B E A D C 5 1 0 C 5 1 1 C 5 1 2
C 5 0 4 2 2 2 u F
O N / O F F
2 2 u F 2 2 u F 0 . 1 u F 0 . 1 u F
2 2 u F / 1 0 V S O T 2 2 3 2 2 u F / 1 0 V
D 2 . 5 V _ M
G N D G N D
G N D
L 5 0 3
F E R R I T B E A D C 5 1 3 C 5 1 4 C 5 1 5
G N D
D D
2 2 u F 0 . 1 u F 0 . 1 u F
3 . 3 V _ M
U 5 0 4 T P 2 1 8
M C 3 3 3 7 5 S T - 3 . 3 T E S T P A D
T P 2 1 6 1 3 G N D
V I N V O U T
T E S T P A D L 5 0 1 D 3 . 3 V _ M
F E R R I T B E A D C 5 0 8
C 5 0 5 2 2 2 u F
O N / O F F
2 2 u F L 5 0 4
2 2 u F / 1 0 V S O T 2 2 3 2 2 u F / 1 0 V
F E R R I T B E A D C 5 1 6 C 5 1 7 C 5 1 8 C 5 1 9 C 5 2 0
D 3 . 3 V _ M
R N 5 0 0 1 0 K G N D 2 2 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F
1 0 V
1 8 G N D
2 7 H D A T A [ 0 . . 3 ]
H D A T A [ 0 . . 3 ]
3 6 H D A T A 0
4 5 H D A T A 1 G N D G N D
H D A T A 2
H D A T A 3
1 8 H C L K / S C L
H C L K
2 7 H F S / S D A
H F S
3 6
4 5 / I R Q
/ I R Q
P N L _ E N
P N L _ E N
R N 5 0 1 1 0 K
Q 5 0 0
2 N 7 0 0 2 A 2 . 5 V _ M D 2 . 5 V _ M D 3 . 3 V _ M
R 5 0 0
3 . 3 K
D 3 . 3 V _ M D 2 . 5 V _ M 3 . 3 V _ M
D 3 . 3 V _ M C 5 0 9
U 5 0 1 A [ 0 . . 1 8 ]
H D A T A 0 1 7 6 3 3 . 3 V _ M C 5 0 6 0 . 1 u F
P 0 . 0 A 1 9 / P 4 . 4
H D A T A 1 1 8 6 4 A 1 8 G N D
P 0 . 1 A 1 8 / P 4 . 1
R 5 0 2 R 5 0 3 H D A T A 2 1 9 6 6 A 1 7 U 5 0 5
P 0 . 2 A 1 7 / P 4 . 0
H D A T A 3 2 0 0 . 1 u F A 0 2 0 2 1 D 0 C N 5 0 3
D 5 0 0
P 0 . 3 A 0 D Q 0
3 . 3 K 1 0 K H C L K / S C L 2 1 6 5 A 1 6 G N D A 1 1 9 2 2 D 1 T P 1 5 1 / R S T G N D T P 1 8 2
Q 5 0 1 B A S 4 0 - 0 5
P 0 . 4 A 1 6 A 1 D Q 1 1 6 1 7
H F S / S D A 2 2 6 7 A 1 5 U 5 0 2 A 2 1 8 2 3 D 2 T P 1 5 2 D 3 D 2 T P 1 8 1
2 N 7 0 0 2
C S D A 5 V P 0 . 5 A 1 5 A 2 D Q 2 1 5 1 8 C
S D A 2 3 7 1 A 1 4 A 0 2 0 2 1 D 0 A 3 1 7 2 5 D 3 T P 1 5 3 D 4 D 1 T P 1 8 0
P 0 . 6 A 1 4 A 0 I O 1 A 3 D Q 3 1 4 1 9
S C L 2 4 7 3 A 1 3 A 1 1 9 2 2 D 1 A 4 1 6 2 6 D 4 T P 1 5 4 D 5 D 0 T P 1 7 9
S C L 5 V P 0 . 7 A 1 3 A 1 I O 2 A 4 D Q 4 1 3 2 0
S C 2 _ S t 7 2 A 1 2 A 2 1 8 2 3 D 2 A 5 1 5 2 7 D 5 T P 1 5 5 D 6 A 0 T P 1 7 8
S C 2 _ S t A 1 2 A 2 I O 3 A 5 D Q 5 1 2 2 1
/ R E S E T 4 4 7 9 A 1 1 A 3 1 7 2 5 D 3 A 6 1 4 2 8 D 6 T P 1 5 6 D 7 A 1 T P 1 7 7
/ R E S E T P 1 . 0 A 1 1 A 3 I O 4 A 6 D Q 6 1 1 2 2
S C 1 _ S t 4 5 8 3 A 1 0 A 4 1 6 2 6 D 4 A 7 1 3 2 9 D 7 T P 1 5 7 A 2 A 1 0 T P 1 7 6
S C 1 _ S t P 1 . 1 A 1 0 A 4 I O 5 A 7 D Q 7 1 0 2 3
S C 1 _ F B L + 5 V / S C 1 _ F B L 4 6 7 7 A 9 A 5 1 5 2 7 D 5 A 8 3 T P 1 5 8 A 3 / P S E N
T P 1 7 5
S C 1 _ F B L P 1 . 2 A 9 A 5 I O 6 A 8 9 2 4
4 7 7 5 A 8 A 6 1 4 2 8 D 6 A 9 2 T P 1 5 9 A 4 A 1 1 T P 1 7 4
R 5 0 1 P 1 . 3 A 8 A 6 I O 7 A 9 8 2 5
1 Q 5 0 2 P N L _ E N 4 8 A 7 1 3 2 9 D 7 A 1 0 3 1 T P 1 6 0 A 5 A 9 T P 1 7 3
P 1 . 4 A 7 I O 8 A 1 0 7 2 6
R 5 0 5
B C 8 4 8 B / B K L T _ E N 4 9 7 4 A 7 A 8 3 A 1 1 1 T P 1 6 1 A 6 A 8 T P 1 7 2
1 K
P 1 . 5 A 7 A 8 A 1 1 6 2 7
1 0 K
R 5 0 4 / S T D B Y 5 0 7 6 A 6 A 9 2 A 1 2 1 2 T P 1 6 2 A 1 5 T P 1 7 1
P 1 . 6 A 6 A 9 A 1 2 5 2 8
4 . 7 K 6 2 7 8 A 5 A 1 0 3 1 A 1 3 4 T P 1 6 3 W E A 7 T P 1 7 0
P 1 . 7 A 5 A 1 0 A 1 3 4 2 9
8 0 A 4 A 1 1 1 A 1 4 5 T P 1 6 4 A 1 2 A 1 3 T P 1 6 9
M S R E S 1 0 K A 4 A 1 1 A 1 4 3 3 0
R 5 0 7
T P 2 1 5 3 4 8 2 A 3 A 1 2 1 2 A 1 5 1 1 T P 1 6 5 A 1 7 A 1 4 T P 1 6 8
P 3 . 0 A 3 A 1 2 A 1 5 2 3 1
Q 5 0 3
3 . 3 V _ M 1 / I R Q 3 5 2 A 2 A 1 3 4 A 1 6 1 0 T P 1 6 6 A 1 8 A 1 6 T P 1 6 7
L 5 0 8 F E R R I T B E A D P 3 . 1 A 2 A 1 3 A 1 6 1 3 2
G N D I R 3 6 3 A 1 A 1 4 1 1 A 1 7 6
B C 8 4 8 B
P 3 . 2 A 1 A 1 4 A 1 7
L E D _ G R N 3 7 5 A 0 A 1 6 7 A 1 8 9 H E A D E R 2 X 1 6
P 3 . 3 A 0 A 1 5 A 1 8
C N 5 0 1 T P 1 4 4 L E D _ R E D 3 8 A 1 7 1 0 S e r v i c e c o n n e c t o r _ F l a s h p r o g r a m i n g
P 3 . 4 A 1 6
G N D M U T E 3 9 3 0
1 / S T D B Y P 3 . 5 C E
T P 1 5 0 4 0 4 D 7 3 . 3 V _ M A 1 5 3 0 9 / P S E N 3 2
2 P 3 . 6 D 7 C S 1 N C O E
L E D _ R E D T P 1 4 6 4 1 6 D 6 W E 7
3 P 3 . 7 D 6 W E
I R T P 1 4 7 8 D 5 6
4 D 5 C S 2
K E Y _ P M U T P 1 4 8 K E Y _ P M U 2 8 1 0 D 4
5 P 2 . 0 D 4
R 5 2 1
K E Y _ D R L K E Y _ D R L 2 9 1 2 D 3 / R A M R D 3 2 2 9 L V 0 4 0
6 P 2 . 1 D 3 O E
1 K
3 0 1 1 5
D 2 / R A M W R
7 P 2 . 2 D 2 W E
3 1 9 D 1
P 2 . 3 D 1 3 . 3 V _ M
R 5 1 9 R 5 2 0
B 7 B 7 D 0 K 6 T 1 0 0 8 V 2 E - T B
D 0
K e y p a d C o n n e c t o r 1 K 1 K
T P 1 4 9 / R A M R D 5 1
P 4 . 2
/ R A M W R 5 2
P 4 . 3
D 2 . 5 V _ M 3 3 G N D
O _ V S P 4 . 7 / V S / O E
L 5 0 9 C 5 0 0 0 . 1 u F
F E R R I T B E A D 2 5 G N D
C V B S _ O u t C V B S
3 2 D [ 0 . . 7 ]
O _ H S H S / S C
R 5 2 6
G N D G N D 3 . 3 V _ M / R S T 5 3
R S T
D 3 . 3 V _ M
1 K
C 5 2 6 C 5 2 5
U 5 0 0 X T A L 2 5 4
X T A L 2
R 5 2 5
0 . 1 u F 4 . 7 n F D 5 0 1
2 X T A L 1 5 5
V C C X T A L 1
T P 5 0 2
4 7 R
1 G N D 5 8 8 1 / P S E N E V S S
B R S T N R P S E N B
X 5 0 0 C 5 0 1 C 5 0 2 5 9 1 3 T P 5 0 0 B A S 4 0
G X R O M
3 6 0
G N D B 1
3 3 p F 3 3 p F
6 1
B L A N K / C O R
D S 1 8 1 8 B E V C C
U 5 0 6
6 M H z 8 1
V C C A 0
R e s e t C i r c u i t
G N D S D A 5 5 5 0 7 2
W P A 1
G N D 6 3
S C K A 2
R 5 2 7
5 4
S I V S S
1 0 0 R
G N D M 2 4 C 1 6 - R M N 1 T
+ 5 V G N D T P 5 0 1 T P 5 0 3
+ 5 V G N D
1 1
Q 5 0 5 + 5 V
R 5 1 0
Q 5 0 6
E S C L E S D A
B C 8 4 8 B
R 5 1 3
Q 5 0 7
S D A
B C 8 4 8 B
1 0 0 R
S D A
R 5 1 1 R 5 1 6
S C L
B C 8 4 8 B
1 0 0 R
S C L
R 5 1 4
4 7 R 1 0 0 R
R 5 1 2 R 5 1 7
4 7 R
4 7 0 R R 5 1 5
+ 5 V _ M
4 7 R
4 7 0 R R 5 1 8
T P 1 8 3
4 7 0 R
G N D G P I O 0 R 5 0 6 G P I O 7
O S D _ R
G N D 2 . 2 K G P I O 6
O S D _ G
G N D C 5 0 3 G P I O 5
O S D _ B
C 5 2 8
R 5 0 8 G P I O 4
O S D _ F B L
1 U F / 1 0 V
0 . 1 u F T P 1 8 4 C N 5 0 2 G P I O 3
1 0 K G P I O 2
1
G P I O 1
2
T P 1 8 6 G N D G P I O 0 G P I O 0
3
B K L T _ E N
4
G P I O [ 0 . . 7 ]
5 G P I O [ 0 . . 7 ]
P r o j e = 2 0 ' ' L C D T V
6
R 5 0 9
7
/ B K L T _ E N 1 Q 5 0 4 G N D
( C H I M E I )
8 L V D S _ E N
B C 8 4 8 B
9
1 0 K
K o d = Z H 1 . 1 9 0 - 0 2
1 0
T P 1 8 5
L 1 0 6 1 1
S c h e m a t i c = M C U
+ 1 5 V 1 2
A F E R R I T A
G N D 5 3 3 9 8 - 1 2 9 0
B a c k l i g h t C o n n e c t o r
B e k o E l e k t r o n i k A . S .
R e v
T i t l e
S i z e
3 . M C U
A
C
D o c u m e n t N u m b e r
C o n t r o l
o f
D a t e S h e e t 5 9
2 4 - S e p - 2 0 0 3
1 2 3 4 5 6
G N D
4
G N D
4
2 6
5 7
1 4
6 8
1
1 6
4 3
7 0
8
V D D 2 . 5
V D D 2 . 5
V D D 3 . 3
V D D 3 . 3
V D D 3 . 3
V D D 3 . 3
V D D A 2 . 5
V D D A 2 . 5
8
V C C
V C C
2
3
2
3
V S S
V S S
2 4
2 4
1
V S S A
V S S A
V S S
V S S
V S S
V S S
2 7
5 6
1 5
4 2
6 9
8 4
2
3