Advertisement
Measuring
Item
instrument
SUB BRIGHT
Signal
adjustment
generator
Remote
control unit
Signal
Item
NTSC
STANDARD
S03
124
SUB
Signal
CONTRAST
generator
adjustment (1)
Remote
control unit
Signal
Item
NTSC
STANDARD
S04
050
SUB
Signal
CONTRAST
generator
adjustment (2)
Oscilloscope
Remote
control unit
SETTING VOLTAGE
Signal
NTSC
Video status
STANDARD
60V
THEATER
53V
Test point
Adjustment part
[1.PICTURE/SOUND]
S03: BRIGHT
Setting value
480i
1080i
THEATER
STANDARD
THEATER
STANDARD
124
124
124
127
Table 1
[1.PICTURE/SOUND]
S04: CONTRAST
Setting value
480i
1080i
THEATER
STANDARD
THEATER
STANDARD
056
050
050
050
Table 2
TP-G
[1.PICTURE/SOUND]
[G CRT
S04: CONTRAST
SOCKET PWB]
480i
1080i
74V
58V
Table 3
(1) Receive NTSC signal (include 0% or -2% black).
(2) Select STANDARD mode with [VIDEO STATUS] key.
(3) Set the COLOR TEMP is LOW mode.
(4) Select 1.PICTURE/SOUND from SERVICE MENU.
(5) Select < S03 > (BRIGHT).
(6) Set the initial setting value. (See Table 1)
(7) If the brightness is not the best with the initial setting
value, make fine adjustment until you get the best
brightness.
(8) Press [MUTING] key to memorize the set values.
THEATER
(9) Select THEATER mode with [VIDEO STATUS] key.
126
(10) Repeat steps 4 to 8 above.
(11) Input 480i component signal (include 0% or -2%
black) from COMPONENT VIDEO terminal.
(12) Repeat steps 2 to 10 above.
(13) Input 1080i component signal (include 0% or -2%
black) from COMPONENT VIDEO terminal.
(14) Repeat steps 2 to 10 above.
[ Method of adjustment without measuring instrument ]
(1) Receive NTSC gray scale signal.
(2) Select STANDARD mode with [VIDEO STATUS]
key.
(3) Set the COLOR TEMP is LOW mode.
(4) Select 1.PICTURE/SOUND from SERVICE MENU.
(5) Select < S04 > (CONTRAST).
(6) Set the initial setting value. (See Table 2)
(7) If the contrast is not the best with the initial setting
value, make fine adjustment of the < S04 > until you
THEATER
get the optimum contrast.
044
(8) Press [MUTING] key to memorize the set values.
(9) Select THEATER mode with [VIDEO STATUS] key.
(10) Repeat steps 4 to 8 above.
(11) Input 480i component black & white signal from
COMPONENT VIDEO terminal.
(12) Repeat steps 2 to 9 above.
(13) Receive 1080i component black & white signal from
COMPONENT VIDEO terminal.
(14) Repeat steps 2 to 9 above.
[ Method of adjustment with measuring instrument ]
(1) Receive NTSC gray scale signal (include -3%).
(2) Select STANDARD mode with [VIDEO STATUS] key.
(3) Select FULL mode with [ASPECT] key.
(4) Set the COLOR TEMP is LOW mode.
(5) Connect the oscilloscope to TP-G.
(6) Select 1.PICTURE/SOUND from SERVICE MENU.
(7) Select < S04 > (CONTRAST).
(8) Adjust < S04 > so that the -3% signal portion and the
100% signal portion of both sides may become the
follow table voltage.
(9) Press [MUTING] key to memorize the set value.
(10) Select THEATER mode with [VIDEO STATUS] key.
78V
(11) Repeat steps 8 to 9 above.
62V
(12) Receive 480i component gray scale signal (include
-3%).
(13) Repeat steps 2 to 9 above.
(14) Set 1080i component gray scale signal (include -3%).
(15) Repeat steps 2 to 9 above.
Description
(No.YA173)1-55
Advertisement
