Ic Block Diagram - NAD 712 Service Manual

IC BLOCK DIAGRAM
NON-INVERTING
INPUT INPUT
NON-INVERTING
INPUT
Vec
C4
om
29
1C01: TMS77C82
B5/R/W Vss 1
B&/CLKOUT |/2
B6/ENABLE
13 1 913 -Yao
5
BQ/T2OUT ||3 B4/ENABLE
B1/T1OUT |/4 B3/TXD
B25 MC
3
AO ||6 C7
A1|/7 C6
A2||8 C5
A3 [/9 C4
A4/SCLK C3A7/EC1
A7/EC1 C2
INT3 C1
INT1 co
RESET DO
AG/EC2 D1
A5.RXD Vec
XTAL2/CLKIN D2
XTAL1