Table 4-26. HP-16 ERROR DISPLAYS AND POSSIBLE CAUSES - Cont

Table 4-26. HP-16 ERROR DISPLAYS AND POSSIBLE CAUSES - Cont - TM-5-6675-320-14_397

MAINTENANCE PROCEDURES (cont) - TM-5-6675-320-14_399

TM-5-6675-320-14 Topographic Support System Rectifier I Section Model ADC-TSS-8 NSN: 6675-01-105-5758 Manual
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TM 5-6675-320-14 Table 4-26. HP-IB ERROR DISPLAYS AND POSSIBLE CAUSES - Cont D i s p l a y o r P r i n t o ut Possible Causes PARALLEL POLL FAILURE “IUT DID NOT CONDUCT PARALLEL ( 1) POLL CORRECTLY . NO “SRQ” WAS PRESENT AND POLL RETURNED ( 2) ( 3) “IUT DID NOT CONDUCT PARALLEL ( 1) POLL CORRECTLY; “SRQ” WAS PRESENT; POLL RETURNED , (2) SHOULD HAVE BEEN 2“ ( 3) F a i l u r e o f p a r a l l e l p o l l l o g i c on PCA A1. P a r a l l e l p o l l l o g i c s w i t c h i s s et i n c o r r e c t l y . F a i l u r e o f p a r a l l e l p o l l l o g i c , o u t - put data latch, or control bus latch on PCA A2. P a r a l l e l p o l l s w i t c h i s m i s s e t . F a i l u r e o f p a r a l l e l p o l l l o g i c on PCA A1 and A2. Failure of ROM U1. “IUT DID NOT RESPOND CORRECTLY F a i l u r e o r w r o n g s e t t i n g o f p a r a l l el TO PARALLEL POLL. RESPONSE WAS p o l l s w i t c h. , SHOULD HAVE BEEN 1. CHECK PARALLEL POLL SWITCH SETTING--SHOULD BE 1“ 4-250

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