TROUBLE SHOOTING CHART (Cont'd)
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SYMPTOM DEFECTIVE SUGGESTIONS - CAUTIONS - CHECKS - ETC,
COMPONENT
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7. UNCLSPPED PULSE, R30 R30 burns open if V7 or V9 shorts, resnlt-
HIGH AMPLITUDE V7 ing in an unclipped output pulse. Replace
PEAKS V9 defective VT or V9 and R30.
8. HUMPED TOP OF V7 Replace V7. Check flatness of pulse top,
PULSE AT RATED
OUTPUT
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9. ENLARGED TRACE V17 Replace V17. Check regulated voltage per
OF TOP OF PULSE instruction book.
Any cause of high ripple from VT7A can
have this effect.
V15 Replace V 15. Check regulated voltage
per instruction book.
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Vll Replace VP1, , |