Qls 21M62US (CHASSIS: NX56-LA) Service Manual page 25

TCL-THOMSON Electronics R&D Center (Shen'Zhen Lab)
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
AGCT
OIF
IF
AGCS
AGNE
WATCHDOG
BLUE BLACK
OPT
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
EVG 0
DFL 0
XDT 0
AKB 1
NBL 1
CL 10
CC-LINE 21
BKS 1
BSD 0
AAS 0
Chassis Name
Issued on
Updated on
Default Description
Value
32 AGC take over point
32 IF demodulator offset
45.7 IF frequency
1 AGC speed
3 Audio gain
8
0 No signal background
color set
Description
Enable vertical guard(RGB blanking)
Disable flash protection from defletion timer
X-ray detection
Black current stabilization
Black current loop application
Set the cathode drive level
CC's line
Black Stretch Switch
0 =OFF,1 =ON
Black Stretch depth
0 15IRE,1-30IRE
Black area to switch off the black stretch
0-12%1-20%,2-6%,3-8%
NX56-LA
2008-05-19
2010-01-27
See section "3.2
RF AGC alignment" for detailed.
Don't adjust, use default
Select the IF frequency
Don't adjust, use default
Don't adjust, use default
Don't adjust, use default
Serial No.
Page 13 of 15
Page
Version 2.2
Remark
0=BLUE
1=BLACK
Remark
1= RGB blanking
Don't adjust, use default
Don't adjust, use default
0 AKB ON
1 AKB OFF
Adjust to right value accord
with the tube.
Recommended value= "12"
Don't adjust
Don't adjust, use default
Don't adjust, use default
Don't adjust, use default