Display Signal Circuit between Video Terminal and Television Display: Procedure
- CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - VIDEO TERMINAL)
- Disconnect the television display assembly and video terminal connectors.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Tester Connection Condition Specified Condition Q13-6 (NTS4) - O25-5 (VV+) Always Below 1 Ω Q13-22 (SGN5) - O25-6 (VV-) Always Below 1 Ω Q13-25 (SGN2) - O25-7 (SG) Always Below 1 Ω Q13-24 (OPEN) - O25-8 (ADPG) Always Below 1 Ω Q13-6 (NTS4) - Body ground Always 10 kΩ or higher Q13-22 (SGN5) Body ground Always 10 kΩ or higher Q13-25 (SGN2) - Body ground Always 10 kΩ or higher Q13-24 (OPEN) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 2
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE