HP 6034A User Manual page 95

THE FOLLOWING TESTS SHOULD BE DONE ONLY IF THE LISTEN FUNCTION
WORKS PROPERLY. AFTER ANY REPAIR, RETURN TO TALK TEST SECTION OF
MAIN TREE. IF THE SYSTEM IS HUNG UP, TESTS 6 AND 7 MAY INDICATE STUCK
HANDSHAKE LINES. NOTE THAT IF CHKA4U5) IS CORRECTLY DECODING TALK
COMMANDS, A4DS2 WILL REFLECT TALK STATE REGARDLESS OF FRONT - PANEL TLK LED,
I. TALK MONITOR SEE FIGURE 5-40
2. TRANSMIT ENABLE MONITOR SEE FIGURE 5-40
3. HP-18 INTERRUPT LOOP SEE FIGURE 5-38
USING THE PROGRAMS LISTED IN FIGURE 5 - 40, CHECK THAT AN INTERRUPT
OCCURS FOR BOTH TALK AND TRANSMIT ENABLE.
4. LOAD/SHIFT PROTECTION CIRCUIT SEE FIGURE 5-39
5. TALK HANDSHAKE SEE FIGURE 5-43
6. MULTIPLEXERS AND DATA SHIFTER/OUTPUT SUFFER CIRCUITS SEE FIGURE 5-42
7. TRANSCEIVERS SEE FIGURE 5-37
Figure 5-33. HP-1B Talk Tests
THE FOLLOWING TESTS SHOULD BE DONE ONLY IF THE LISTEN AND TALK FUNCTIONS WORK PROPERLY.
AFTER ANY REPAIR, RETURN TO LISTEN TEST SECTION OF MAIN TREE.
1. SRQ TRANSCEIVER SEE FIGURE 5-37.
IT IS NECESSARY ONLY TO CHECK SRQ TRANSCEIVER
2. S.P.T.E. MONITOR SEE FIGURE 5 44.
3. HP IP INTERRUPT LOOP SEE FIGURE 5 38.
USE THE S.P.T.E. MONITOR PROGRAM LISTED IN FIGURE 5-44.
4. LOAD/SHIFT PROTECTION SEE FIGURE 5 39.
USE THE S.P.T.E. MONITOR PROGRAM LISTED IN FIGURE 5-44.
5. DATA SHIFTER SEE FIGURE 5-42.
Figure 5-34. Serial Poll Tests
5-49