53
53
HCD-C450
5-20. Schematic Diagram – I/O Section (1/2) –
• See page 64 for IC Block Diagrams.
SWITCH
SWITCH
3
3
2
2
1
1
2
2
AUS
10k(EXCEPT AUS)
33k(AUS)
R609,612,618
1
5.1k(EXCEPT AUS)
5.6k(AUS)
R606,607
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299