Sub Brightness Adjustment; Picture Geometry Adjustment; Vertical Geometry Adjustment; The Vertical Geometry Adjustment Osd Menu - TCL 21M63S-NX56E Service Manual

TCL Multimedia Technology Holding CRT BU R&D Center

3.5 Sub brightness adjustment

1. Input eight steps gray signal.
2. Press key "3" to enter sub-brightness adjustment.
3. At dynamic state, adjust "BRTC" until the secondary gray bar just to be seen. (like
picture 3.5.)
The 2nd gray scale

3.6 Picture Geometry adjustment

3.6.1 Vertical geometry adjustment

1. Input a PAL crosshatch pattern signal to RF input.
2. Enter P-Mode, press key "1" to select vertical geometry adjustment. (The OSD menu
for this adjustment as below table 3.6.1. For NTSC signal, the "-50" will be replaced with
"-60".)
3. Adjust the value of the corresponding item to make the vertical geometry of the
pattern look good.
4. Apply NTSC signal to adjust these value for NTSC vertical geometry.
Table 3.6.1: The vertical geometry adjustment OSD menu
OSD menu Default Value
VSLOPE-50
VCEN-50
VSIZE-50
VZOOM-50
VSC-50
VSCROLL-50
Note:
1. For NTSC signal, the "-50" will be replaced with "-60".
2. For NTSC signal, only the "VCEN-60" and "VSIZE-60" items need the adjustment,
the other items use the same data as PAL signal.
NX56-AP&NX56B-AP
Chassis Name
2008-01-18
Issued on
2009-04-24
Updated on
Picture 3.5
Description
32 Vertical slope(VS)
32 Vertical shift (VSH)
32 Vertical amplitude(VA)
25 Vertical zoom(VX)
32 S-correction(SC)
32 Vertical Scroll（VCS）
Serial No.
Page
Version
Remark
Adjust to right value
Adjust to right value
Adjust to right value
Adjust to right value
Adjust to right value
Adjust to right value
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