Ikegami HTM-1990R Service Manual page 28

(b) VR301 [HD B MIX]
VR302 [SD B MIX]
For TP301 (CONV PB), Adjust the leak (
SDTV (VR302).
(c) VR303 [PB LVL]
For TP401 (B-1), Adjust the blue matrix for the RGB color bar signal of the HDTV.
(d) VR501 [HD R MIX]
VR502 [SD R MIX]
For TP501 (CONV Pr), Adjust the leak (
(VR502).
(e) VR503 [PR LVL]
For TP601 (R-1), Adjust the red matrix for the RGB color bar signal of the HDTV.
in figure) to zero on Pb signal for HDTV (VR301) and
HDTV
(100% COLOR BAR)
in figure) to zero on Pr signal for HDTV (VR501) and SDTV
HDTV
(100% COLOR BAR)
Adjust 100%
Adjust 100%
1-B-17