Power Supply Output Voltage Adjustment - Agilent Technologies 4284A Service Manual

2-8-2. POWER SUPPLY OUTPUT VOLTAGE ADJUSTMENT

This procedure adjusts the output voltage of the power supply.
EQUIPMENT:
Multimeter
2 Alligator Clips to 1 Dual Banana Plug
Test Lead
PROCEDURE:
1. Set the Multimeter to the DC voltage measurement function.
2. Connect the Test Leads to the multimeter.
3. Connect multimeter's L o input to A7TP2 (GND), and connect the Hi input to
A7TP1. Figure 2-7 shows the location of A7TP1 and A7TP2.
MULTIMETER
0 0
0 0 ❑
0
0
O f = 0 0
0 0 0
M C 1 1 = 3 0 0 0
I I
Figure 2-6. Power Supply Voltage Adjustment Setup
A7TP1
A7TP2
(GND)
Figure 2-7. Power Supply Voltage Adjustment Location
2 Alligator clips to 1 Dual Banana Plug
Test Lead
0 0 0
l = C I 0
0 0 0
0 0
0 0 0
0 0 ❑
0 0 0
I 1
S
2-12
HP 3458A
HP 11002A
HP 4284A
0
O D D
0
0
0
0
0 0 0 0 0
❑
0
0
A1R52
a
(V—ADJ)
f0
Lo input to A7TP2
Hi input to A7TP1
0 0 0 0
0 0 0
0
0 0 0
0 0 0 0