JVC RX-6030VBK Service Manual page 26

RX-6030VBK
4.20 TC74HCU04AF-W(IC621): Inverter
• Pin layout
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
GND 7
4.21 TC7SET32FU-X (IC672) : Z-input or gate
• Pin layout & Block diagram
IN B 1
IN A 2
GND 3
4.22 TC9164AN (IC402) : Analog switch
• Pin layout & Block Diagram
1-26 (No.22026)
14 VCC
13 6A
12 6Y
11 5A
10 5Y
9 4A
8 4Y
5 VCC
4 OUT Y
• Truth table
A Y
L H
H L