Read Sharp DV-L88 (serv.man6) Service Manual online
DV-L88S/S(H)
DV-L88W/W(A)
DV-L88W/W(A)
12
Adjustment Item
Adjustment Menu
Adjustment Point
Signal/Setting
Adjustment Contents
1
Gamma setting
Check that the gamma function of the body is
check
on "level 2".
2
Contrast check
CONT
Check that CONT set value is "AB".
3
RGB amplitude
GAIN
Connect the synchroscope Black-and-white Adjust the Vpp(SYNC-SYNC) of VG to
adjustment
to 2PIN (VG) of TP1900.
10STEP
4.0
±
0.1V.
4
Gamma 0 set
GAM0
The set value of GAM0 is changed from "50" to
value change
"56".
5
Sub-bright
SBRIGHT
Connect the synchroscope Black-and-white Adjust the 10% white part(SYNC-white 10%) to
adjustment
to 2PIN (VG) of TP1900.
10STEP
1.0
±
0.05V.
6
Common
GPOS
Connect the synchroscope Black-and-white Adjust the common amplitude to 8.0
±
0.1V.
amplitude
to 1PIN (COM) of TP1900. 10STEP
adjustment
7
Contrast
CONT
Connect the synchroscope Black-and-white Adjust the 100% white part(SYNC-white100%)
adjustment
to 2PIN (VG) of TP1900.
10STEP
to 3.8
±
0.1V.
8
White balance
WB-R(Red)
Connect the synchroscope Black-and-white Adjust the white balance (red) so that black level
adjustment
to 2PIN (VG) and 3PIN
10STEP
the equal of green and red output become equal.
(Red)
(VR) of TP1900.
*Adjust the 30% white.
9
White balance
WB-B(Blue)
Connect the synchroscope Black-and-white Adjust the white balance (blue) so that black level
adjustment
to 2PIN (VG) and 4PIN
10STEP
the equal of green and blue output become
(Blue)
(VB) of TP1900.
equal.
*Adjust the 30% white.
*Adjust the 30% white.
0
Burst clear
STINT
Connect the synchroscope MOD10STEP
Adjusted so that the side muscle of the colour
adjustment
to 4PIN (VB) of TP1900.
signal may become the smallest with seeing
liquid crystal image plane.
liquid crystal image plane.
[Another method] [Another method]
100% colour bar Adjusted so that every horizontal term space
100% colour bar Adjusted so that every horizontal term space
may become the level which the swing level of
yellow of the colour bar signal is the same as.
yellow of the colour bar signal is the same as.
8.0V
±
0.1
4.0V
±
0.1
3.8V
±
0.1
1.0V
±
0.05
Input
G
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