Onkyo A-8690 - IC Block Diagram

A-8690
IC BLOCK DIAGRAM
74HCOOP (NAND gate) 74HCU10P (NAND gate)
Vee 4B 4A 4Y 3B 3A 3Y Vee 1C 1¥ 3C 3B 3A 3Y
1A 1B TY 2A 2B 2Y GND 1A 1B 2A 2B 2 2Y GND
74HCUO04P
(Hex
inverter)
74HCO2P
(NOR
gate)
Vcc 4Y 4B 4A 3Y 3B 1A
74HC27P (NOR gate)
Veo 1C 1Y 3C 3B 3A 3Y
YY 1A 1B 2Y 2A 2B GND
74HC74P (D-FF)
2
Vee
CLR
2D
2CK
2PR
2Q
1A 1B 2A 2B 2C) =6©2Y = GND
NJM4560DX (OP Amp.)
NJM4565DB
NJM2904D
NJM5532DD
Vec