Sony BKM-21D - Page 91

8-21
BKM-21D
8-21
2
3
4
5
1
A BCDEFGH
BD2BD2
TC74AC283F (EL)
(IC911, IC912, IC913, IC914, IC915, IC916)
2
1
CARRY LOGIC
3
4
5
6
7
8
15
16 V CC
B3
A3
∑3
A4
B4
∑4
C4
14
13
12
11
10
9
F. A. F. A.
F. A. F. A.
∑2
B2
A2
∑1
A1
B1
C0
GND
TC74VHC574F (EL)
(IC908, IC909,, IC910, IC917, IC918, IC919)
17181920 16 15 14 13 12 11
54321 6 7 8 9 10
D3D2D1D0OE D4 D5 D6 D7 GND
Q2Q1Q0V
CC Q3 Q4 Q5 Q6 Q7 CLK
CK
Q
D
CK
Q
D
CK
Q
D
CK
Q
D
CK
Q
D
CK
Q
D
CK
Q
D
CK
Q
D
TC7SH02FU-TE85R (IC906)
1
2
3
5
4
TL431CPSR (IC907)
8 7 6 5
1 2 3 4
WEF NC NCA
K
NC NC NC