Fluke 93 - Page 140

7-14
CORRECTIVE MAINTENANCE
Comp Name (pin)
CJrc ^IC
Scope
Freq. Data
H/UA
Description
40 FRONTDATA2/HS1
.1
r
;
0 H Frontdata2
/High
speed input 1.1
41
/HS0.4
niiiiiiiiiiiiiiii
400 Hz A
/High Speed input 0.4
42 /VSS
0
1
/Voltage
supply
ground
(0)
43 AD15^S0.5
1 1 1
L/A Address data 15/High
Speed
input 0.5
44 LIGHT/HSO.O
n 1
Light
/High Speed input 0.0
45 /HSO.l
0
1
/High
Speed input 0.1
46 PS1 /PI .5
0
1
page select 1
/port 1 .5
L
47 PS2 /PI .6
.loiiminjir.
45-1.5
kHz A page select 2 /port
1 .6
48
PS3/P1.7
_mrurui[ .
.
45-1
.5 kHz A
page select
3
^ort 1 .7
49 DTAEC/P2.6
0
1
Data enable
C /port 2.6
50 /HS0.2
0
1
/High Speed Input 0.2L
51 /VSS
n 1
/Voltage supply
ground
(
0
)
L
52 NCC
0 H /Main supply
(*^5V)
53 ON OFF/HS0.3
0
1
on oft /High
Speed
input
0.2
54 A^SS
L /Voltage supply
ground
(
0
)
65
ATSS
0
1
/Voltage supply
ground
(0]
56 /VPP
0 H /(+5V)
57 FRONT LATCH
/T2CAP/P2
~r.
\
'
H/A Front latch /
68 TEST2/PWM
.liifiiiJiJirL...
12 kHz A Test
2 /Pulse wdth
modulator
69 WRIN/WRUWR
V
mr
2.08 MHz
A Write not A/Vrite low/WrIts
60 /WRH/BHE
nmr:--
2.08 MHz
A /Write high, Bus High
Enable