TCL-THOMSON Electronics R&D Center (Shen’Zhen Lab)
Chassis Name
NX56-LA
Serial No.
Issued on
2008-05-19
Page
Page 13 of 15
Updated on
2010-01-27
Version
2.2
On producing, these geometry offset datum can use to easy the NTSC geometry
adjustment. When finished the PAL geometry adjustment, trigger the “AUTO OFFSET”
from “0” to “1”, then the geometry adjustment of NTSC signal will finish automated. If now
the geometry of NTSC signal is look good, it not needed to adjust the geometry of NTSC
signal any more.
3. Enter P-Mode, press key “6” to select page “6”. Set the corresponding item to require
value. See below table 3.6.3 for detailed description.
Table 3.6.3: Producing parameter setup and option page “6”
OSD menu Default
Value
Description Remark
AGCT 32 AGC take over point
See section “3.2
RF AGC alignment” for detailed.
OIF 32 IF demodulator offset Don’t adjust, use default
IF 45.7 IF frequency Select the IF frequency
AGCS 1 AGC speed Don’t adjust, use default
AGNE 3 Audio gain Don’t adjust, use default
WATCHDOG 8 Don’t adjust, use default
BLUE BLACK
OPT
0 No signal background
color set
0=BLUE
1=BLACK
4. Enter P-Mode, press key “7” to select page “7”. Set the corresponding item to require
value. See below table 3.6.4 for detailed description.
Table 3.6.4: Producing parameter setup and option page “7”
OSD menu Default
Value
Description Remark
EVG 0 Enable vertical guard(RGB blanking) 1= RGB blanking
DFL 0 Disable flash protection from defletion timer Don’t adjust, use default
XDT 0 X-ray detection
Don’t adjust, use default
AKB 1 Black current stabilization
NBL 1 Black current loop application
0 AKB ON
1 AKB OFF
CL 10 Set the cathode drive level
Adjust to right value accord
with the tube.
Recommended value= “12”
CC-LINE 21 CC’s line
Don’t adjust
BKS 1
Black Stretch Switch
0 =OFF,1 =ON
Don’t adjust, use default
BSD 0
Black Stretch depth
0ˉ15IRE,1-30IRE
Don’t adjust, use default
AAS 0
Black area to switch off the black stretch
0-12%1-20%,2-6%,3-8%
Don’t adjust, use default
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