Aiwa CX-BK7 Service Manual page 97

– KEY LED RMC Board –
IC601 BU2092F-E2
18 17 16 15 14 13 12 11
12 BIT
CONTROL
SHIFT
CIRCUIT
REGISTER
12 BIT
STORAGE
(OPEN DRAIN)
REGISTER
1 2 3
4
10
OUTPUT
BUFFER
5 6 7 8 9
IC602 BU2099FV
20 19 18
12 BIT
CONTROL
SHIFT
CIRCUIT
REGISTER
12 BIT
STORAGE
REGISTER
2 3 4
1 5
CX-BK7
17 16 15 14 13 12 11
OUTPUT
BUFFER
(OPEN DRAIN)
6 7 8 9 10
97