Ic733 : S-80843C; Ic734 : Tc74Vhc74Ft; Ic736 : Tc74Vhc157Ft; Ic737 : At24C04 - Marantz SA8400F1N Service Manual

IC733 : S-80843C

4 3
2
1

IC734 : TC74VHC74FT

IC736 : TC74VHC157FT

TRANSISTORS
DTA114EK PNP
DTC114EK NPN
B
TOP
C
VIEW
E
1 OUT
2 VDD
3 N.C.
4 VSS

IC737 : AT24C04

A0
A1
A2
GND
Pin Configurations
Pin Name
A0 - A2
SDA
SCL
WP
NC
DTA Series
C
R1
B
R2
E
R1 R2
DTA114EK 10kohm 10kohm
3-21
8
1 VCC
2 7 WP
3
6 SCL
4 5 SDA
Function
Address lnputs
Sedrial Data
Sedrial Clock lnput
Write Protect
No Connect
DTC Series
R1
B
R2
R1
DTC114EK 10kohm
C
E
R2
10kohm