Panasonic JB-3300 Technical Manual page 203

(p)
CRTC control signal converter circuit
The CRTC control signal converter circuit converts control signals
DISPTMG, CURSOR, HSYNC, and VSYNC, all output from CRTC, and adjusts
the display timing.
Each of these signals is described below.
(1) DISPTMG, CURSOR circuit
The DISPTMG, CURSOR circuit synchronizes the DISPTMG and CURSOR
Signals (output from CRTC) with video data.
Figure 5-56 shows the circuit diagram.
(5-5E) DISPTMG
(5-5E) CURSOR
x DISP TMG-D2
x CURSOR-D1
CURSOR-D2
CLK 1
Figure 5-56 CRTC Control Signal Converter Circuit
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