ALLIED-SIGNAL <ALD> COMPLETES UNIT SALES Allied-Signal Inc said it completed the sale seven businesses in its electronics and instrumentation sector for 1.8 billion dlrs in cash and in debt assumed by the purchasers. The company said last December its would sell the units by mid 1987. It did not identify the buyers. The company said the proceeds will be used to reduce debt, continue the company's share buyback program, and increase strategic investments in its core businesses and other corporate purposes. It said the units sold were Ampex Corp, Amphenol Prodcuts, Linotype Group, Neptune International, MPB Corp, Revere Corp and Sigma Instruments Inc.