-5-
Electrical Adjustments
1. Receive the 16-step grey scale computer signal with
Computer1 [RGB]
mode.
. Enter the service mode.
3. Connect an oscilloscope to test point “
tP_G1
” (+)
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 “
tP_R1
” (+)
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 “
tP_B1
” (+)
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
Computer1 [Component1080i]
mode.
. Enter the service mode.
3. Connect an oscilloscope to test point “
tP_G1
” (+)
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 “
tP_R1
” (+)
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 “
tP_B1
” (+)
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
Computer1 [RGB]
mode.
. Enter the service mode.
3. Connect an oscilloscope to test point “
tP_G1
” (+)
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 “
tP_R1
” (+)
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 “
tP_B1
” (+)
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
Computer1 [Component1080i]
mode.
. Enter the service mode.
3. Connect an oscilloscope to test point “
tP_G1
” (+)
and chassis ground (-).
4. Select group no. “
103
”, item no. “
0
” 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-XL45
Page 27: ... 27 40 2 0 3 40 40 2 40 40 Electrical Adjustments MAIN BOARD Test Points and Locations ...
Page 52: ... 52 BA7078 Sync Separator IC5301 IC Block Diagrams BA9743 DDC Control IC5651 ...
Page 53: ... 53 IC Block Diagrams L3E01060 LEVEL SHIFT IC2501 IC2531 IC2561 FA5502 P F Control IC621 ...
Page 55: ... 55 IC Block Diagrams M62334 D A IC3571 NJW1141 Audio Control IC5001 ...
Page 56: ... 56 IC Block Diagrams STR Z2156A Power Switching IC631 uPD64012 Video Decoder IC101 ...
Page 85: ...KZ6 XL4500 85 Mechanical Parts List ...
Page 86: ... KZ6AC Dec 2007 DC 350 Printed in Japan SANYO Electric Co Ltd ...