9. What path do the DC voltages take to arrive at the camera head?
a. Camera cable
a. Most common indirect
b. Viewfinder cable
d. Direct
10. What does focus current compensate for?
a. Lighting changes
b. Input voltage and load changes
c. Blanking
d. Viewfinder contrast levels
11. The 150 volt supply gives direct power to what?
a. Preamplifier
c. Pickup tube
b. Microphones
d. Viewfinder
12. What value is heater supply voltage?
a. 150 volts
c. 12.5 volts
b. +12.5 volts
d. +160 volts
13.
Where is AC power returned to ground?
a. Camera head
c. Viewfinder
b. Power supply
d. Camera cable
14.
What is the purpose of filtering the AC before it leaves the power supply
frame?
a. To stop even harmonic distortion
b. To stop odd harmonic distortion
c. To enhance harmonic distortion
d. To increase voltage
15.
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
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