Service manual

Example: Closed
Channel Resistance
Test
This example performs a Closed Channel Resistance Test to measure the
matrix relay contact resistances. If the relay contact resistance for a channel
is >2.7
Ω the program prints a message indicating which channel has failed
the test. Use this list in Chapter 4 — Service when troubleshooting a failing
relay.
Figure 2-5. Column LO to Row LO Test Connections
10! RE-SAVE "CLOS_TEST"
20 ASSIGN @Dmm TO 722
30 ASSIGN @Sw TO 70915
40 DISP CHR$(129)
50 DIM Path$(1)[2],Row$[2],Col$[2],Val_h(15,63),Val_l(15,63),A$[255]
60 DATA HI,LO
70 READ Path$(*)
80 Cc$="01" ! Card number
90 Ph$="0" ! Place holder
100 CLEAR SCREEN
110 PRINT "Install Component Assembly and Test Fixture "
120 PRINT
Agilent E1465A/66A/67A Service Manual Verification Tests 25