Sharp LC-20S2U-S Service Manual page 23

Page No. Item
Video setting (XV750)
XVC01 TEST PAT MODE
TEST PAT PICT
TEST PAT AMP
VCXO MODE A
VCXO MODE B
VCXO CTL DC OFST
VCXO CTL TC
SV PORT POL
BELL FLT SFT
BELL FLT SHRP
DE-EMPHASYS
XVC02 HSYNC DELAY
VSYNC DELAY
VSYNC LINE SHIFT
ACC TC
AGC TC
PEAK AGC SET TC
PEAK AGC RLS TC
PEAK AGC RLS LEV
PEDLEV DET TC
COLER KILL ACT LEVEL
COLER KILL RCV LEVEL
XVC03 TV AGC MODE
AV AGC MODE
DVD AGC MODE
TV PEAK AGC REF
AV PEAK AGC REF
DVD PEAK AGC REF
XVC04 TV Y DELAY
AVC Y DELAY
AVS Y DELAY
DVD Y DELAY
TV C DELAY
AVC C DELAY
AVS C DELAY
DVD C DELAY
XVC05 TV V PEAKING FILTER
AVC V PEAKING FILTER
AVS V PEAKING FILTER
TV V PEAKING WEIT
AVC V PEAKING WEIT
AVS V PEAKING WEIT
TV V PEAKING CORING
AVC V PEAKING CORING
AVS V PEAKING CORING
XVC06 TV CONTRAST
AV CONTRAST
DVD CONTRAST
TV BRIGHTNESS
AV BRIGHTNESS
DVD BRIGHTNESS
TV TRAP FLT
AVC TRAP FLT
AVS TRAP FLT
Initial
Function
Value
0 XV750 test pattern selection (Mode)
0 XV750 test pattern selection (Picture)
XV750 test pattern selection (Amplitude)
0
Line lock mode setting (TV/AV)
1
2 Line lock mode setting (DVD)
0 VCXO control voltage DC offset
11 Constant at VCXO control
0 SV port control signal polarity setting (in bits)
Bell filter shift characteristics
0
Bell filter sharp characteristics
0
0 De-emphasis filter characteristics
38 H sync phase setting (in pixels)
0 V sync phase setting (in pixels)
11 V sync phase setting (in lines)
Constant at ACC
4
Constant at AGC
4
4 Constant at peak AGC setup
4 Constant at peak AGC release
8 Peak AGC release level
0 Constant at pedestal level detection
1 Color killer level setting
0 Color killer hysteresis setting
1 AGC operation mode setting (TV)
1 AGC operation mode setting
(Composite, S Video)
1 AGC operation mode setting (DVD)
+3 Peak AGC reference level (TV)
+10 Peak AGC reference level
(Composite, S Video)
+10 Peak AGC reference level (DVD)
0 Y phase setting (TV)
0 Y phase setting (Composite)
0 Y phase setting (S Video)
0 Y phase setting (DVD)
C phase setting (TV)
-1
-1 C phase setting (Composite)
-1 C phase setting (S Video)
-1 C phase setting (DVD)
0 Vertical edge correction OFF/ON (TV)
0 Vertical edge correction OFF/ON (Composite)
Vertical edge correction OFF/ON (S Video)
0
0 Vertical edge corrected intensity (TV)
0 Vertical edge corrected intensity (Composite)
0 Vertical edge corrected intensity (S Video)
0 Vertical edge correction coring (TV)
0 Vertical edge correction coring (Composite)
Vertical edge correction coring (S Video)
0
12 Picture setting (TV)
12 Picture setting (Composite, S Video)
12 Picture setting (DVD)
-3 Brightness setting (TV)
-3 Brightness setting (Composite, S Video)
-3 Brightness setting (DVD)
2 Trap filter Setting (TV)
2 Trap filter Setting (Composite)
2 Trap filter Setting (S Video)
23
LC-20S2U-S
Response precautions on servicing
(Do not change other items than designated.)