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  TB 11-6625-2713-50
(2) Adjust TRIG LEVEL CENTERING ADJ A3A5R6 (fig. 5) for +0.65 volt
indication on digital voltmeter (R).
(3) Adjust A3A5R82 (fig. 5) for -0.25 volt indication on digital voltmeter (R).
(4) Adjust CRT BIAS ADJ A1A2R12 (fig. 6) for 50 volts indication on digital
voltmeter (R).
(5) Adjust A1A2R24 (fig. 6) for no shift of spot as X10 VERNIER control is pulled
out and pressed in (R).
Figure 6. Horizontal amplifier, test point location.
17. Horizontal Bandwidth
a. Performance Check
(1) Connect oscillator (A4) to TI EXT HOR input, using cable (B4).
(2) Set both TI SOURCE switches to EXT.
(3) Adjust oscillator frequency for 50 kHz and amplitude for 6 divisions of deflection
on crt.
(4) Adjust oscillator frequency until crt displays 4.25 divisions of deflection.
If
oscillator does not indicate 5 MHz or greater, perform b below.
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