Read Sharp DV-L88 (serv.man6) Service Manual online
DV-L88S/S(H)
DV-L88W/W(A)
DV-L88W/W(A)
11
ADJUSTMENT PROCEDURE AND METHOD OF LCD PWB SIDE
Connect the LCD PWB to the jig for shipping adjustment.
Adjustment Item
Adjustment Menu
Adjustment Point
Signal/Setting
Adjustment Contents
1
Free run
R1933
Observe the 5PIN of
No input
Adjust so that the frequency becomes
adjustment
(VR)
TP1900 (HSY) with a
15.63
±
0.1kHz (64.0
µ
S).
frequency counter.
2
Screen center
R1914(VR)
Visual observation of
Monoscope full screen. Adjust the screen so that it is located in the
adjustment
the panel.
(625/25 or 525/30)
center.
HSY
15.63kHz
(64.0
µ
S)
CHECK ITEMS OF LCD PWB SIDE
Adjustment Item
Adjustment Point
Input Signal/Setting
Adjustment Contents
1
Free run check
Check the panel visually by connecting
External input
Check that the horizontal movement of OSD
to the checker.
(625/25)
is 2 mm or less when inputting a signal in
the external input mode with no signal input.
the external input mode with no signal input.
INPUT
POWER PWB SIDE ADJUSTING PROCEDURE AND METHOD.
Connect the POWER PWB to the jig for shipping adjustment.
Supply the power in the condition that the “ENTER” and “STILL” keys are pressed at the same time and move to the special
mode (SP MODE).
After that, get the initialize set by pressing the “PLAY” key. After setting, turn off the power once.
Supply the power again in the condition that the “ENTER” and “STILL” keys are pressed at the same time and after moving
to the special mode (SP MODE), get the adjustment mode by pressing “INPUT/DVD” key.
Supply the power in the condition that the “ENTER” and “STILL” keys are pressed at the same time and move to the special
mode (SP MODE).
After that, get the initialize set by pressing the “PLAY” key. After setting, turn off the power once.
Supply the power again in the condition that the “ENTER” and “STILL” keys are pressed at the same time and after moving
to the special mode (SP MODE), get the adjustment mode by pressing “INPUT/DVD” key.
Each operation in the adjustment mode changes as follows:
(1) Switch the adjustment block with the "VOLUME+" key input.
(2) Perform paging of each adjustment block with the "RETURN" key.
(3) Switch each adjustment item with the "VOLUME–" key input.
(4) Change each adjustment value with the left or right cursor key.
TV1
TV2
TV3
TV1
OPT
BAT
GAM0
TV1 adjustment
TV2 adjustment
TV3 adjustment
SBRIGHT
GPOS
CONT
WB-R
WB-B
SCOLOR
STINT
COM
OSDH
BBRIGHT
GAIN
[Caution] Do the image plane center adjustment of
2
after you surely do free run adjustment of
1
.
Image plane center deviates when adjustment is done in the reverse order.
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