15 - Inspection Procedure
Distortion on AM or on Both AM and FMDIAGNOSIS
STEP 1. Check how much distortion there is.
Q: How much distortion is there?
Occasional distortion : Go to Step 2.
Constant distortion : Go to Step 3.
STEP 2. Check that there is distortion near the radio station.
Q: Is there distortion near the radio station?
YES: The antenna may receive too strong signal.
NO: Go to Step 3.
STEP 3. Check that the speaker cords are in contact with the cone paper.
Q: Are the speaker cords in contact with the cone paper?
YES: Move the cords away from the cone paper. Check that a distortion is resolved.
NO: Go to Step 4.
STEP 4. Remove the speakers, and check for torn cone paper or foreign material.
Q: Is there torn cone paper or foreign material?
YES: Repair or replace the speakers. Check that a distortion is resolved.
NO: Go to Step 5.
STEP 5. Check for distortion with the speaker installed.
Q: Does a distortion occur?
YES: Install the speaker securely. Check that a distortion is resolved.
NO: Repair or replace the radio. Check that a distortion is resolved.