-75-
Electrical Adjustments
Input mode
Not designated
Input signal
50% whole green, blue or red signal
Picture
Auto
Lamp mode
High
1. Enter the service mode.
2. Select item no. "
308
", and change data value from
"
0
" to "
2
". (Flicker adjustment mode ...see Note)
3. Receive 50% whole green, blue or red signal and pro-
ject only one color component to the screen.
4. Change data value to obtain
the minimum flicker
for
each color on the screen.
5. After this adjustment, select item no. "
308
", and
change data value from "
2
" to "
0
" for normal opera-
tion. (Or turn off the projection TV, then this data value
will be reset to "
0
".)
Item no.
Screen
4
Only
green
color picture
5
Only
blue
color picture
6
Only
red
color picture
Note:
The FRP signal (common electrode reverse signal)
works at 120Hz, so flicker is invisible for human eyes.
The service mode no. "
308
" can change the FRP sig-
nal from 120Hz to 60Hz, and flicker can be seen.
n
Common center adjustment
Input signal
16-step gray scale signal
Input mode
VIDEO_1 [Video]
mode
Picture
Auto
Lamp mode
High
1. Enter the service mode.
2. Select group/item no. “
8
” (
Blue
) or “
9
” (
Red
), and
change data values respectively to make a proper
white balance.
Note:
If the luminance meter is not equipped, you can take
another method instead as follows;
1. When the main board is replaced, the data value at
"
7/8/9
" of the previous main board should be copied
manually.
2. If the main board is not replaced, you need not re-
adjust these items.
,
White balance adjustment [High]
Equipment luminance
meter
Input mode
VIDEO_1 [Video]
mode
Picture
Auto
Lamp mode
High
1. Receive the 100% whole-white signal.
2. Enter the service mode.
3. Measure luminance on the screen with the luminance
meter. It is
A
for the reading of luminance meter.
4. Change the signal source to the 50% whole-white
signal.
5. Select item no. “
7
” and change data value to make the
reading of luminance meter to be
A x 22±1%
.
Item no.
Screen
Ajustment value
100% white
A
(reading value)
7
50% white
A x 22
± 1
%
m
Panel luminance adjustment [High]
Summary of Contents for PLV-55WHD1
Page 101: ... 101 IC Block Diagrams CAS 220 TS Demodulator IC6100 CXA2234Q MTS Decoder IC5001 ...
Page 104: ... 104 L3E06150 LCD Driver IC501 IC1501 IC2501 NJW1180 Audio Processor IC5101 IC Block Diagrams ...
Page 105: ... 105 IC Block Diagrams STR Z2156A Switching Power IC651 STR A6159 Switching Regulator IC641 ...
Page 119: ... 119 Mechanical and Optical parts list Optical base unit 92 91 96 96x4 89 107 106 Fig PL22 ...
Page 158: ... 158 MEMO ...
Page 159: ... 159 MEMO ...
Page 160: ... PLV 55 65WHD1 OCT 2006 DC 130 Printed in Japan SANYO Electric Co Ltd ...