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RADIO AND CD PLAYER CHASSIS ELECTRICAL 54A-109 INSPECTION PROCEDURE 14: Distortion on AM or on Both AM and FM. DIAGNOSIS PROCEDURE Step 1. Check the degree in which distortion is Q: How much distortion is generated? Occasional distortion : Go to Step 2. Constant distortion : Go to Step 3. Step 2. Check by the transmission antenna. Q: Is there distortion by the transmission antenna? YES : The input from the antenna is too big. NO : Go to Step 3. Step 3. Check how the speakers are setup. Q: Are any cords coming in contact with the paper cones of the speakers? Move the cords so that they do not come in contact with the paper cones of the speaker. NO : Go to Step 4. Step 4. Check the speakers. 1. Remove the speakers. cones or any foreign obstacles in the paper cone. Q: Are the speakers normal? YES : Go to Step 5. NO : Repair or replace the speakers. Check that Step 5. Check how the speakers are setup. Q: Check to see if the speakers are setup in a deformed manner. Correct the way the speakers are setup so they are securely setup. Check that a NO : Repair or replace the radio and CD player. INSPECTION PROCEDURE 15: Distortion on FM Only. DIAGNOSIS PROCEDURE Step 1. Check with another broadcasting station. Q: Is there distortion when turning to another broadcasting station? Go to Step 2. NO : The signal from that station is too weak. Step 2. Relocate the reception area and check. Q: When relocating the reception area does the distortion increase or decrease? The cause may be multipath noise. NO : Repair or replace the radio and CD player. Main Index Group TOC |