Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2007 >> Land Cruiser >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio System & Visual System >> Audio And Visual System >> Radio Sound Quality Is Poor >> Inspection Procedure

Inspection Procedure

  1. CHECK SOUND QUALITY 
    1. Is sound quality always bad?

      OK: Always 

    • NG: Go to step   5 
    • OK: GO TO NEXT STEP 
  2. CHECK CASSETTE TAPE PLAYER 
    1. Is cassette tape player operating normally?
    • OK: INSPECT RADIO RECEIVER ASSEMBLY 
    • NG: GO TO NEXT STEP 
  3. CHECK SPEAKER 
    1. Is speaker properly installed?
    • NG: INSTALL PROPERLY 
    • OK: GO TO NEXT STEP 
  4. REPLACE SPEAKER 
    1. Temporarily install another speaker. Functions OK?
    • OK: SPEAKER FAULTY 
    • NG: RADIO ASSEMBLY OR STEREO COMPONENT AMPLIFIER FAULTY (RECHECK SYSTEM AFTER REPAIR) 
  5. CHECK RADIO WAVE SIGNAL OR LOCATION 
    1. Is sound quality bad in certain areas only?

      OK: Sound quality is bad only in certain areas. 

    • OK: POOR SIGNALS, POOR LOCATION 
    • NG: REPLACE RADIO RECEIVER ASSEMBLY