-26-
Electrical Adjustments
1. Receive the 16-step grey scale computer signal with
Computer2 [RGB]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select group no. “
0
”, item no. “
0
” and change data
value to adjust the pedestal level and black level to
be the same level.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
1
” and change data value to adjust
the pedestal level and black level to be the same
level.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
2
” and change data value to adjust
the pedestal level and black level to be the same
level.
P
edestal Lebel
Blac
k Lebel
c
Pedestal adjustment [PC]
1. Receive the 16-step grey scale component signal
with
Video [Component1080i]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select group no. “
0
”, item no. “
0
” and change data
value to adjust the pedestal level and black level to
be the same level.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select group no. “
0
”, item no. “
1
” and change data
value to adjust the pedestal level and black level to
be the same level.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select group no. “
0
”, item no. “
2
” and change data
value to adjust the pedestal level and black level to
be the same level.
P
edestal Lebel
Blac
k Lebel
b
Pedestal adjustment [1080i]
1. Receive the 16-step grey scale computer signal with
Computer2 [RGB]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select group no. “
0
”, item no. “
3
” and adjust the
amplitude “a” to be
minimum
by changing the Data
value.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
4
” and adjust the amplitude “a” to be
minimum
by changing the Data value.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
5
” and adjust the amplitude “a” to be
minimum
by changing the Data value.
(a)
White Level
v
Gain adjustment [PC]
1. Receive the 16-step grey scale component signal
with
Video [Component1080i]
mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point “
TPG1
” (+) and
chassis ground (-).
4. Select group no. “
9
”, item no. “
0
” and adjust the
amplitude “a” to be
minimum
by changing the Data
value.
5. Connect an oscilloscope to test point “
TPR1
” (+) and
chassis ground (-).
6. Select item no. “
1
” and adjust the amplitude “a” to be
minimum
by changing the Data value.
7. Connect an oscilloscope to test point “
TPB1
” (+) and
chassis ground (-).
8. Select item no. “
2
” and adjust the amplitude “a” to be
minimum
by changing the Data value.
(a)
White Level
n
Gain adjustment [1080i]
Summary of Contents for PLC-XE31
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Page 57: ... 57 uPD64012 Video Decoder IC101 IC Block Diagrams ...
Page 81: ...LG6 XE3100 81 Mechanical Parts List ...
Page 82: ... LG6A Jun 2006 BB 270 Printed in Japan SANYO Electric Co Ltd ...
Page 86: ...Diagrams Drawings LG6 XE3100 ...
