Inspection Procedure 14: Distortion on AM or on Both AM and FM.
DIAGNOSIS PROCEDURE
STEP 1. Check the degree in which distortion is generated.
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?
The input from the antenna is too big.
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. Check that a distortion is resolved.
Go to Step 4.
STEP 4. Check the speakers.
- Remove the speakers.
- Check to see if there is any ripping of the paper cones or any foreign obstacles in the paper cone.
Q.
Are the speakers normal?
Go to Step 5.
Repair or replace the speakers. Check that a distortion is resolved.
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 distortion is resolved.
Repair or replace the radio and tape player or CD player. Check that a distortion is resolved.