Check 13, Transformer Secondary Voltage - Agilent Technologies 4339B Service Manual

Check 13, Transformer Secondary Voltage

1. Turn o the 4339B.
2. Disconnect the transformer secondary connector from connector \J13" on the A1 Main
Board Assembly. Refer to Figure 4-14 for the connector location.
3. Turn the 4339B on.
4. Using a multimeter, check if the transformer secondary voltage is between 13 V and 17 Vac.
5. If passed, replace the A1 Main Board Assembly, otherwise replace the transformer assembly.
Figure 4-14. Transformer Secondary Voltage Check
4-18 T roubleshooting