Fluke 93 Service Manual page 150

7-24
CORRECTIVE MAINTENANCE
Comp Name
Clrc/IC
Scope
Freq.
Data
Description
H/UA
50 V6 /V6
-
0
H
Power
supply
for
LCD
drive
5 X26
/X26
34.7
Hz
A
Liquid crystal driver
output
5
X106/X26
XI 86 /X26
TOJTzir
21
X10/X10
34.7
Hz
A
Liquid
oystal
drK/er
output 21
X90/X10
X170/X10
lL_JT"LJr
55 X76/X76
34.7
Hz
A
Liquid crystal drK/er
output
55
XI
66
/X76
I I
I I
I I
I I
X236
/X76
79 X52
/X52
XI 32 /X52
X212/X52
nxLn
34.7
Hz
A
Liquid
crystai driver
output
79
96
X35
/X35
34.7
Hz A
Liquid
crystal driver
output
96
X115/X35
X195
/X35
TOTTEU
Table 7.5 Signals
measured on
display drivers
D1
404/05/07.
Logic
0=0V
Logic
1*+5V
Comp Name
Clrc/IC
D1 404/DI 406/D1 407
31 -20V
A/EE
32
VI A/1
33 V2
/V2
34 V3/V3
35
V4
A/4
36
/GND
37
LINECLyCLI
38 /SHL
39
DATACL/CL2
40
NC
Scope
Freq.
Data
Description
HIU/K
0
0
0
0
0
0
0
.lAi_UA__UL
16
-^
H
Power
supply
(-20
V)
H
Power
supply
for
LCD
drive
H
Power
supply
for
LCD
drive
H
Power
supply
for
LCD
drive
H
Power
supply
for
LCD
drive
L
GROUND
(OV)
\Jk
LINE CLock/Latch
Clock
1
H
.../SHift
direction
A
..,/shlft
CLock
2
L Not
Connected
41
D0/D3 A