Pm 101 Lntermittent-1 - Tektronix PM 101 Instruction Manual

Maintenance and Troubleshooting-PM 101
RUN TESTS 9-1,2,3.4.7. AND 8 AND B-3 FOR 30
SECONDS EACH UNDER LOOPING CONTROL
GO TO PM101
"INTERMITTENT -2"
FIG. 6-9
6-10
CHECK A1U1031. A1U1021. /SEL P. LOOK AND
ASSOCIATED CIRCUITRY AND CONNECTORS
CHECK ALL THE TIMING OPTION CONNECT­
ORS AND RUN B-3 AGAIN
GO TO PM101
"CLOCK CHECKS"
FIG. 6-7
GO TO 7002
C4 OR CS PROBLEM. CHECK A1U4050, A1U5041
"PER.MOD.-SYS."
AND ASSOCIATED CIRCUITS AND CONNEC­
TIONS
Fig. 6-8. PM 101 lntermittent-1.
GO TO PM101
"CLOCK CHECKS"
FIG. 6-7
ONE OF THE DATA ADDRESS OR C0-C3
CONTROL LINES IS FAILING TO GO LOW
CHECK THEM ALL
2917-23
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