Fluke 93 Service Manual page 149

CORRECTIVE MAINTENANCE
7-23
Tabl9
7.4
Signals
measured on
display drivers
D1
401/02/03.
Logic
0=OV
Logic
1
=+5V
Comp Name
Scope
CIrc/IC
01
401/DI 402/D1
403
31
NC
32 -20V
/VEE
33
NC
34
FRAME/DI
_L
35
M
IhA
1
L
36
NC
37 /SHL
38
/CL
k
A
,
Ul
39 /FCS
40
NC
41
GND
42
NC
43 /DO
1 1
1 1
44
VCC
45
NC
46
NC
47 VI
/VI
48 V2/V2
49
V5/V5
Freq. Data
HlUA
0 L
0
H
0 L
70
Hz A
34.7
Hz
A
0 L
0 L
16.7
kHz
A
0 L
0
L
0 L
0 L
70
Hz
A
0
H
0
L
0 L
0
H
0
H
0
H
Description
Not
Connected
Power
supply
Not Connected
..yshift
register
Data
Input
Signal
to
convert
LCD
driver
signal Into
AC
Not
Connected
Select
shift direction
shift
CLock
shift
dock phase
Not
Connected
GROUND
(OV)
Not
Connected
shift
register
Data Output
Volt
supply (+5V)
Not Conr^ected
Not
Connected
Power
supply
for
LCD
drive
Power
supply
for
LCD
drive
Power
supply
for
LCD
drive