Marantz PM-10 Service Manual page 36

74VHCT14AFT (U5003)
PIN ASSIGNMENT
LM319 (U9561, U9571, U9581, U9591)
Pin Functions
PIN
NO. NO. NO.
NAME
(D, J, NFF 14) (LME 10) (NAD 10)
OUTPUT 1 1 12 1
GND 1 2 3 2
INPUT 1+ 3 4 3
INPUT 1- 4 5 4
V- 5 6 5
OUTPUT 2 6 7 6
GND 2 7 8 7
INPUT 2+ 8 9 8
INPUT 2- 9 10 9
V+ 10 11 10
NC 1,2,13,14
IEC LOGIC SYMBOL
TRUTH TABLE
A Y
L H
H L
I/O DESCRIPTION
O Comparator 1 output
G Comparator 1 ground connection
I Comparator 1 input
I Comparator 1 input
P Negative supply voltage
O Comparator 2 output
G Comparator 2 ground connection
I Comparator 2 input
I Comparator 2 input
P Positive supply voltage
No connect. Do not connect to ground.
2. DISPLAY
LCD (DP-0010) (VD01)
1Pin
PIN CONNECTION
No Symbol Function
1 V4 Liquid crystalline drive bias input pin
2 V3 Liquid crystalline drive bias input pin
3 V1 Liquid crystalline drive bias input pin
4 V0 Power supply for the liquid crystalline drive
5 VDD Logic power supply
6 VSS Power supply (0 Ｖ , GND)
7 SI Display data input pin
8 SCL Display data shift clock input pin
9 CSB Serial data reset pin
10 RS Data / instruction selection pin
11 XRESET External reset pin
36
11Pin
Display Side