9. What path do the DC voltages take to arrive at the camera head?
a. Camera cable
a. Most common indirect
b. Viewfinder cable
10. What does focus current compensate for?
a. Lighting changes
b. Input voltage and load changes
d. Viewfinder contrast levels
11. The 150 volt supply gives direct power to what?
c. Pickup tube
12. What value is heater supply voltage?
a. 150 volts
c. 12.5 volts
b. +12.5 volts
d. +160 volts
Where is AC power returned to ground?
a. Camera head
d. Camera cable
What is the purpose of filtering the AC before it leaves the power supply
c. To enhance harmonic distortion
d. To increase voltage
What causes transient voltages to appear in the video coax cable?
a. Voltage set too high
c. Too little negative voltage
b. A ground problem
d. Too much positive voltage