Service manual

DV-L70U
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.
6-3. CHECK ITEMS OF LCD PWB SIDE
1. Power supply voltage 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.
2. Free run check
Input
6-2
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.
(2) Perform paging of each adjustment block with the RETARN key.
(3) Switch each adjustment item with the menu key input.
(4) Change each adjustment value with the left or right cursor key.
DAC adjustment OPT adjustment BAT adjustment
TV1
TV2
TV3
GAM0
TV1 adjustment
TV2 adjustment
TV3 adjustment
SBRI GPOS CONT
WB-R WB-B SCOL STIN
COM OSDH BBRI GAM2