Fluke 93 - Page 146

7-20
CORRECTIVE MAINTENANCE
Comp
Name
(pin)
Scope
CIrc/IC
Freq. Data
H/L/A
68
ADC4/ADC4
69 .../VSS
70 ADC3/ADC3
71 ADC2/AOC2
72
ADC1/ADC1
73 ADCQ/ADCO
74 STOPN/STOPN
75 HLDOFFN
/HLDOFFN
Unstable
ICLJf
0
Unstable
Unstable
Unstable
100 Hz
0
500 Hz
1 kHz
2.5 kHz
2.7 kHz
5 Hz
Unstable
5 Hz
A
L
A
A
A
A
A
A
76 TRACKn'RACK Unstable 11 kHz
77 .../TRACKN not used
78 CHANA/CHANA 1
0
H
79 CONTR/CONTR 4.68 kHz A
80 STIMUUSTIMUL
976 Hz A
81 HF-COMP/HFCOMP Unstable
4.882 kHz A
82
TRIMD/TRIMD
83 .../TflIMC
84 .../TRIMS
85
.../TRIMA
86
POS-CHB/SHIFTB
nnn
1 1
1
1 1
4.882 kHz A
1 1 1 1 1
0 L
1 1 1 1 1
4.862 kHz A
11
1 1
1 4.882 kHz A
1 1 1 1 1
4.682 kHz A
Description
ADC data output 4
Volt Supply Ground
ADC data output
3
ADC data output 2
ADC data output
1
ADC data output 0
Acquisition Stop Not
Trigger Hold Off Not
Track (acquisition clock
ADC)
Track
Channel
A
Contrast
Stimulus output
High Frequency
Compensation
(32
digit zero meter
correction)
Trimming
output D
Trimming output C
Trimming
output B (not used)
Trimming output A (not used)
Position -Channel B/Shift
channel B