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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Video Entertainment System Wireless Headphone Inoperative (Rear Seat Entertainment RPO U42) >> Circuit/System Verification

Circuit/System Verification

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NOTE: Test or replace the headphone batteries before performing the circuit/system verification.
  1. Turn ON the wireless headphones. Verify the power indicator lamp on the wireless headphone illuminates.
    • If the power indicator lamp does not illuminate, replace the wireless headphones.
  2. With the Radio ON, RSA ON, and DVD playing, verify all of the headphones are working properly.
    • If all of the headphones are inoperative, or the sound is distorted, refer to Circuit/System Testing below.
    • If only one of the headphones is not producing sound, or the sound is distorted, replace the appropriate set of headphones.
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