--
Electrical Adjustments
Service Adjustment Data Table
These initial values are the reference data written from the
CPU ROM to memory IC when replaced new memory IC. The
adjustment items indicated with “
✻
” are required to readjust
following to the “ Electrical adjustments”. Other items should
be used with the initial data value.
Group/
Item
Item Name
Function
Initial
range Note
Group 0
Ad converter (PW392)
0 ADC G-OFFSET
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
512/512/512/512/512
0 - 102 * G-Pedestal Adjustment
1 ADC R-OFFSET
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
512/512/512/512/512
0 - 102 * R-Pedestal Adjustment
2 ADC B-OFFSET
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
512/512/512/512/512
0 - 102 * B-Pedestal Adjustment
ADC G-GAIN
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
265/200/*/*/*
0 - 102 * G-Gain Adjustmen
4 ADC R-GAIN
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
265/205/*?*/*
0 - 102 * R-Gain Adjustmen
5 ADC B-GAIN
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
255/205/*/*/*
0 - 102 * B-Gain Adjustmen
10 SOGTH
RGB / COMPONENT / SCART
*/4/4
0 - 15
11 SOGHYSDIS
RGB / COMPONENT / SCART
0
0 - 1
12 HS1TH
H Sync1 Threshold
RGB / COMPONENT / SCART
*/4/4
0 - 15
1 HS0TH
H Sync0 Threshold
RGB / COMPONENT / SCART
*/4/4
0 - 15
20 Anti-Alias Filter
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
4
0 --7
21 Anti-Alias Downsample
(Read Only)
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
0 -
22 Anti-Alias High Frequency
(Read Only)
YCbCr 480i (575i) / YCbCr 480p (575p)
/ YCbCr 720p (720p50) / YCbCr 1080i
(105i, 1080i50) /
SCART
0-
Group 10 Sync Processor
ADC G-GAIN
PC/YCbCr 480i (575i) / YCbCr 480p
(575p) / YCbCr 720p (720p50) / YCbCr
1080i (105i, 1080i50)
290/170/170/
185/185
0 - 102
4 ADC R-GAIN
PC/YCbCr 480i (575i) / YCbCr 480p
(575p) / YCbCr 720p (720p50) / YCbCr
1080i (105i, 1080i50)
290/140/140/
155/155
0 - 102
5 ADC B-GAIN
PC/YCbCr 480i (575i) / YCbCr 480p
(575p) / YCbCr 720p (720p50) / YCbCr
1080i (105i, 1080i50)
290/140/140/
155/155
0-102
Group
20
Video decoder
*R : Read Only Value
0 Y Level
Composite / S-Video - Y Level (ADC
RGB Gain)
15/161
0 - 102 Composite / S-Video
* Gain Adjustment [Video]
1 C Level
Composite / S-Video - C Level (ADC
Saturation)
410/440
0 - 102 Composite / S-Video
10 XCXL Parameter
XCXL Level
1 / 0
0 -
NTSC/PAL
11 Sync Amp Low
Minimum sync amplitude threshold
for HLOCK 1 to 0 transition
1 /
0 -
NTSC/PAL
12 Sync Amp High
Minimum sync amplitude threshold
for HLOCK 0 to 1 transition
1 / 1
0 -
NTSC/PAL
1 Luma Setup Enable
7.5IRE Mode
0
0 - 1
Effective only NTSC Signal
14 Anti-Alias Filter
Anti-Alias Filter
4
0-7
15 Anti-Alias Downsample
Anti-Alias Downsample
0-
16 Anti-Alias High Frequency
Anti-Alias High Frequency
0-
17 CSC Adjust
Composite / S-Video - CSC Adjust
0x400/0x400
0x00-
0x500
20
Comb D Cross-Luma Top/
Bottom Amplitude
for PAL/SECAM only
0-
Содержание LC-WB42N
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