DV-L70 (serv.man24). Adjustments - Sharp DVD Service Manual (repair manual). Page 2

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.

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.

Input

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