Fluke 93 Service Manual page 139

CORRECTIVE MAINTENANCE
7-13
Comp Name
(pin}
CIrc /IC
Scope
Freq.
Data
H/UA
Desorption
19
/ACH2
1
0
H
/Analog channel 2
20 /ACH6
0
H
/Analog channel 6
21
/ACH7
N K K
0
A
/Analog channel 7
/Voltage
supply
ground
{0)
22 A'SS
0
1
L
23
/ACH5
A
1
/Analog channel 5
24
HLDOFN/ACH4
.1
1
1
...1
H
/A Hold
off
not /Analog
channel
4
25
/ANGND
0
1
/Analog ground (A/D
convertor)
L
26
A/REF
0
0
H
/Vreference (A/D convertor)
27 /VSS
0
1
/Clock Detect
Enable
26
ACQRDY/EXTINT
irUlfUlTL....
5
Hz
A
Acquisition ready/External
interrupt
29
/VCC
0
H
/Main supply (+5V)
30
pPRESET/RESET
d
0
H pP
reset /reset
31
/RXD
0
H
/Receive data/port 2
32
yrxo
0
H
/Transmit data/port
2
33
A^SS n
1
/Voltage supply
ground
(
0
)
34
COAT
/PI.
nniiEii:...
5
Hz
A
Cbus
DATA
/Port 1.0
35
DTAEb/Pl.l
1
u L
UMiM
Bndne /r^n
i
,
i
36
FRONTCLOCK/P1.2
innnru...
60
kHz
A
Front clock
/Port 1.2
37 CCLK/P1.3
.mumu
100 kHz
A
Cbus
clock /Port
1
.3
36 PS0/P1.4
iniiioiiiinM....
40
Hz
A
page
select
0
/Port 1.4
39
FRONTDATA1/HS1.0
0
H
Frontdatal /High
speed
Input
1.0