Wang 5536 - Page 56

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5.2.1.2 CRT Display Voltage Checks
o Adjust the +12 V regulated voltage to +12 V + O. 2 V on PCA 210-7656
(figure 5-2). Use a DVM to check test point A on PCA 2t0-7456 with pin
D, E, or Fon the board (figure 5-3) and Ll-1 as+ OV ground references.
CAUTION
Use a non-metallic standard tuning wand when adjusting
dynamic focus coil Zl.
o Using pin Mas a test point (figure 5-3), adjust the Dynamic Focus Coil
(Zl) to register an amplitude of 250V AC peak-to-peak on an oscillo-
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Figure 5-2. 210-7656 Adjustment and Test Points
5-3