Pioneer FX-MG8057ZT/UC Service Manual page 94

1
* LC75700TS
A
20
B
C
D 1
S-80840CNNB-B8Z
NC2
5
VD D
E
VSS
1
F
OUT
94
1
2
19 18
17
CLOCK
GENERATOR
CCB
INTERFACE
2 3
4
+
V R E F
2
VDD
FX-MG8057ZT/UC
2
3
16 15 14
KEY SCAN
KEY BUFFER
GENERAL PORT
CONTROL REGISTER
SHIFT REGISTER
5 6 7
NC1
4
O UT
3
VSS
3
4
13 12 11
8 9 10
4