Toshiba 20N7XE Service Manual page 12

MODEL: S9S Series (Reference factory adjustments)
NO ADJUSTMENT
1. SUB CONTRAST
(Measuring point) Q501 #14 R-OUT
(Adjusting signal) Sub Bright (NTSC) signal
(Adjusting method)
1. BUS data of Q501
RCUT
Yγ
WPL
PACL
COLOR
2. Set user control to the standard 1
3. Change to adjust SCNT data (Q501 SUB ADDR:05/D4~D0).
X It makes the point which doesn't have a change and it adjust with screen VR.
4. After adjustment, return the data which are set in steps 1, 2 above, to original data.
2. SUB COLOR PAL (THIS ADJUSTMENT AFTER SUB COLOR NTSC)
(Measuring point) Q501 #12 B-OUT
(Adjusting signal ) Sub Bright (PAL) signal
(Adjusting method)
1. Set BUS data of Q501 to the same value as that of SUB TINT adjustment.
2. Set user control to the standard 1.
3. Change COLP data (COLC Difference data) to adjust the 6th peak amplitude of rainbow color bar.
Adjust the amplitude of color bar
(p-p value of the upper half)
4. After adjustment return the data set in steps 1,2 above, to the original data.
(Q501 SUB ADDR:0C)
(Q501 SUB ADDR:08/D7)
(Q501 SUB ADDR:08/D6)
(Q501 SUB ADDR:08/D5)
(Q501 SUB ADDR:02/D7-DC)
SPEC
V
– 12 –
→ Initial value
(20H)
→ OFF
(0)
→ OFF
(1)
→ OFF
(0)
→ MIN
(00H)
V p-p
1.3 ± 0.2
V p-p