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#1
01-22-2018, 06:56 AM
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G-2 usually on the HV transformer or a seperate white block that
plugs into the CRT socket. Almost always its near the focus control. Sometimes its called "SCREEN". Be sure you have a good ground. Use either the CRT shielding or the shielding around the IF stages. There also should be a layout chart in the back to help you. 73 Zeno  LFOD ! 
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#2
01-22-2018, 02:31 PM
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OK gents its a CTC87A. RCA's 1st non modular SS 13". Remember
those boxy ones with all the FBT's ?? Anyhows the G-2 A.K.A. screen control is on the right rear by the horz & vert hold controls. CRT voltages pin 12 G cathode 133V pin 3 B cathode 128V pin 8 R cathode 128V pin 9 G-1 19V pin 10 G-2 350V pin 1 focus 7.5 KV !! HV probe only ! Look for a way off voltage. 73 Zeno LFOD !
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