Repair manual

CRT Repair Steering and Pitch Control

wc_tx000584gb.fm 109

7.21.5 Check for feedback voltage (side-to-side operation) from the joystick

at the P1 control board connector. To do so, turn the ignition switch

ON, connect the black lead of the multimeter to a common ground, and

back probe the #4 terminal of the P1 connector. With the right joystick

in the centered position, 2.5±0.2 Volts should be measured.

• If no voltage is measured, the right joystick has failed; replace it.

• If proper voltage is measured, continue.

7.21.6 Check the function of the control board ground pin 6. To do so, probe

terminal #2 of the P1 connector with the red lead of your multimeter

and terminal #6 with the black lead. You should measure 5.0±0.2

Volts.

• If the proper voltage is not measured, the control board has

failed; replace it.

• If the proper voltage is measured, the system should be function-

ing.

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