BE–93 BODY ELECTRICAL SYSTEM – AUDIO SYSTEM 6 Radio EITHER AM OR FM DOES NOT WORK, RECEPTION POOR (VOLUME FAINT), FEW PRESET TUNING BANDS W : w/ Power Amplifier WO : w/o Power Amplifier Problem with radio wave signals or location? (See SYSTEM DESCRIPTION) Yes → Poor signals, poor location. No Are both AM and FM defective? No → Radio assembly faulty. Yes Is power for the antenna being output from the radio assembly. No WO W Is power for the antenna being output from the power amplifier? No → Power amplifier faulty. . Yes Go to No. 32. No Is tape player operating normally? ' Yes → Radio assembly faulty? No Temporarily install another speaker. . Functions OK? Yes → Speaker faulty. No W WO Radio assembly faulty. Hissing sound from speaker? No → Power amplifier faulty. Recheck system after repair. , Yes Radio assembly faulty. Recheck system after repair.