Fluke 93 - 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 D1404/05/07.
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