Ikegami HTM-1517R, Service Manual

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1-B-14
(c) VR702 [COLOR BAL]
For TP510 (B), Adjust the level difference between the Cyan (Cy) and Magenta (Mg) level and other
levels to minimum for the blue signal of the HDTV color bar. It is effective to carry this alternately with
VR705 [HDTV CHR] (VR706 [SDTV CHR]).
Cy Mg Cy Mg
Minimize
(d) VR705 [HDTV CHR]
VR706 [SDTV CHR]
For TP510(B), Adjust the Blue (B) level to the same level as White (W) level at the chroma preset data is
50%, matching them separately for HDTV and SDTV. It is effective to carry this alternately with VR702
[COLOR BAL].
Adjust 75%
SDTV
(SMPTE COLOR BAR)
W B
W B
Adjust
HDTV
(100% COLOR BAR)
(e) VR103 [SD R-Y]
VR104 [HD R-Y]
For TP110(R), If there is a difference in the color balance of the Red signal even with adjustment of
VR705/VR706 or VR702, adjust separately with SDTV and SDTV.
VR503 [SD B-Y]
VR504 [HD B-Y]
For TP510 (B), If there is a difference in the color balance of the Blue signal even with adjustment of
VR705/VR706 or VR702, adjust separately with SDTV and HDTV.
(f) VR703 [R GAIN]
For TP1 (Rch) of the CRT SOCKET BOARD, Set the video level for maximum contrast control of the
16:9 screen to 50 Vp-p.
(g) VR102 [MTX R BAL]
For TP1 (Rch) of the CRT SOCKET BOARD, Adjust the 75% level the same as the 100% level when the
SMPTE color bar signal is input and the MATRIX Switch on the front panel is turned ON.
Adjust
MATRIX ON
100% level
75% level
MATRIX OFF