1730–Series Checks and Adjustments
5–10
Performance Check Procedure
1. Preliminary Setup
a. Set up the 1730–Series front-panel controls as shown in Table 5–1.
Table 5–1. Preliminary Control Settings
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b. Connect the 1730–Series ac power cord to the variable autotransformer.
Turn power on and set the autotransformer for either 110 or 220 Volts.
c. Connect a composite color bar signal with 100% peak white bar and
75% amplitude color bars to the CH–B INPUT and terminate the
opposite side of the loop–through with a 75W termination.
2. Check Power Supply Operation
REQUIREMENT – Check ac input range, 90–132 V or 180–250 V.
a. Turn on the 1730–Series and adjust the controls for a usable display.
b. Vary the autotransformer from 90–132 V or 180–250 V.
c. CHECK – for stable operation over the voltage range.
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