cardiagn.com 5. REPLACE SPEAKER (a) Temporarily install another speaker. Functions OK? SPEAKER OK FAULTY NG 6. CHECK NOISE (a) Is hiss noise from speaker? OK: Hiss noise is not from speaker. REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (RECHECK SYSTEM AFTER OK REPLACEMENT) REPLACE RADIO RECEIVER ASSEMBLY (RECHECK SYSTEM AFTER NG REPLACEMENT) OK SPEAKER FAULTY OK REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (RECHECK SYSTEM AFTER REPLACEMENT) NG REPLACE RADIO RECEIVER ASSEMBLY (RECHECK SYSTEM AFTER REPLACEMENT)