Service manual

Example:
DC Isolation Test
This example performs DC Isolation Tests for HI to Chassis, HI to LO, and
HI to GU (GUARD).
10! RE-SAVE "DC_ISOL"
20 ASSIGN @Dmm TO 722
30 ASSIGN @Mux TO 70914
40 DISP CHR$(129)
50 DIM Conn$(5)[10]
60 DATA CHASSIS, LO, G , CHASSIS, COMMON LO, COMMON G
70 READ Conn$(*)
80 OUTPUT @Dmm;"OHM 1E9"
90 PRINT "Equipment Connections "
100 PRINT
110 PRINT " 1. Turn Mainframe and Agilent 3458A DMM power OFF"
120 PRINT " 2. Connect GPIB Cable between mainfrmae and DMM"
130 PRINT " 3. Install Agilent E1346A Component Assembly into
Mainframe "
140 PRINT " 4. Attach Test Fixture to Component Assembly"
150 PRINT " 5. Turn Mainframe power ON"
160 DISP "Press Continue when ready to begin testing "
170 PAUSE
180 CLEAR SCREEN
190 !
200 ! Measure DC Isolation (HI to Chassis, HI to LO, HI to G)
210 !
220 OUTPUT @Mux;"*RST"
230 OUTPUT @Mux;"CLOS (@193,100,108,116)
240 FOR I=0 TO 2
250 PRINT TABXY(1,1),"DC Isolation HI to ";Conn$(I);" Measurements "
260 PRINT TABXY(1,3),"1. Connect DMM INPUT HI lead to COMMON
HI"
270 PRINT TABXY(1,4),"2. Connect DMM INPUT LO to ";Conn$(I+3)
280 DISP " Press Continue when connections are complete "
290 PAUSE
300 CLEAR SCREEN
310 OUTPUT @Dmm;"TRIG SGL"
320 ENTER @Dmm;Value(I)
330 NEXT I
340 OUTPUT @Mux;"OPEN (@193,100,108,116)
350 DISP " Press Continue to print measurement results "
2-18 Verification Tests