HP 8082A Operating And Service Manual page 50
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Table 5-16. Test and Adjustments Performed by Test Box
Class A
These tests can only be performed using the Test Box.
Class B
Conventional methods can be used instead.
Class C
The Test Box checks a sub-function of Board A5. A final adjustment using the complete
with Board A4 operational) is necessary.
NOTE: DVM must be floating,
Test
Glass
NO.
4
B
B
4d
.
Self test
Transition time switch
function
l n - 5 n
voltage to ground).
Current source values:
transition time switch ln-5n
transition time switch 5n-5On
(For this measurement, connect collector A5 Q58 via approx. 5lOato ground.)
Purpose
Trans time switch ln-5n.
Leading edge vernier CCW
leading edge vernier CW
Leading edge vernier CCW
leading edge vernier CW
Leading edge vernier CCW
leading edge vernier CW
Leading edge vernier CCW
(For this measurement, connect collector of A5 Q58 via approx 519 a to ground.)
leading edge vernier CW
(For this measurement, connect collector of A5 Q58 via approx 510 fi to ground.)
(Value depends on A5 R142 - factory selected.)
Rotating leading edge vernier
from CW to CCW
preadjust A5 A21 7
D V M
setting
reading
- 1 4 v
-25V * 50mV
285 2 15mV
285 * 15mV
85 f 1OmV
I
Selector
setting
reading
'SUM
'SUM
255mV f 1 OmV
45mV + 1OmV
255mV + 1OmV
45mV + 1 OmV
285mV * 2QmV
20mV + 5mV
I
constant
OIF I
minimum
- 1 5 m V + 15mV
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