Agilent Technologies 6890 Series Service Manual

1 of 10
Jun 2001
Electrical
Agilent 6890 Gas Chromatograph Service Manual
1220 Main Board, 6890A and 6890 Plus
Test points
There are seven test pads on the main board that allow you to test the GC’s
regulated DC supplies (+24V, -24V, +15V, -15V, +5V) and to test the ground.
The test pads are located on the main board as shown below:
Figure 1220-1 Mainboard test pads
TP14
GND
TP13
GND
TP9
+15V
TP10
–15V
TP
+5V
TP11
–24V
Oven Access
Cutout
General specifications
Supply % tol Rated I(FL) System PARD V pp
+24*
–24*
+15
–15
5
40*
±10%
±10%
±5%
±5%
±2%
±10%
4.75 A
0.75 A
0.40 A
0.30 A
4.5 A
11.25 A
<1 V
<1 V
<250 mV
<250 mV
<150 mV
(1)
J8
Hole for
Xfmr
cable
TP12
+24V

Agilent Technologies 6890 Series Specifications

General

Brand	Agilent Technologies
Model	6890 Series
Category	Laboratory Equipment
Language	English