1981 Montgomery Wards Portable Color TV

[zeno]

If the pix is just dark but otherwise good & sharp with good
B&W try moving the G-2 ( a.k.a. screen ) control a little first.

G-2 is on CRT socket. Circuit simple, flyback pulse rectified by
D604 ( apx 300 VDC ) goes to one end of control. Other end
a 1 meg R681 to ground.
CRT pin 8 should be abt 250 VDC.

The 3 cathodes pins 1, 6, & 7 should be abt 75 V. if they
are much higher you have a video problem.

73 Zeno