JVC 250 Service Manual page 101

Chapter 5---Electronics
Figure 5-27 Video Amplifier PCB I/O Diagram for the Video Processor PCB and
CRTs.
Video Amplifier PCB - Outputs
RGB_BEAM - Cathode beam current sense lines (about 1 V per 100 µA).
RGB_CATHODE - image output signal to CRTs (about 40 Vpp with peak
voltage of 70 V).
RGB_G - G
1 1
RGB_G - G
2 2
RGB_HEAT (pos.) - positive side of the CRT heater voltage (about 6.2 V).
5-46
voltage to CRTs (Blanking pulse to CRT).
voltage for CRTs (about 600-800 V).
Model 250 Service Manual