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6-3. CHECK ITEMS OF LCD PWB SIDE
1. Power supply voltage check
Adjustment Point
Put voltmeters in 4PIN (GND), 5PIN (-16V) and 7PIN (13V) of TP1191.
Input Signal/Setting Check in the DVD mode.
Adjustment Method
Check that each voltage indicates -16±1V and 13±0.5V respectively.
2. Free run check
Adjustment Point
Check the panel visually by connecting to the checker.
Input Signal/Setting External input
Adjustment Method
Check that the horizontal movement of ODS is 1 mm or less when
inputting a signal in the external input mode with no signal input.
6-4. ADJUSTMENT PROCEDURE AND METHOD OF MAIN PWB SIDE
1. Press the UP+DOWN key is pushed at the same time, and made power source on.
2. It moves to the special mode(SP MODE), and a BACKLIGHT(HI/LOW/OFF) key is pushed and turned off.
3. After setting is completed, a power source is turned off.
4. Again, a UP+DOWN key is pushed at the same time, and a power source is turned on and made special mode.
5. An INPUT/ DVD key is pushed, and it becomes adjustment mode.
6. Each operation in the adjustment mode changes as follows:
(1) Switch the adjustment block with the TILT key input.
DAC adjustment
(2) Perform paging of each adjustment block with the RETARN key.
TV1
(3) Switch each adjustment item with the menu key input.
TV1 adjustment
GAM0
TV2 adjustment
WB-R
TV3 adjustment
COM
(4) Change each adjustment value with the left or right cursor key.
OPT adjustment
TV2
TV3
SBRI
GPOS
WB-B
SCOL
OSDH
BBRI
11
BAT adjustment
CONT
STIN
GAM2
DV-L78U
Input
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