Samsung DVD-V5600, Service Manual

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Alignment and Adjustments
3-7 Samsung Electronics
3-2-2(b) SKEW Adjustment Method
Needed to minimize the variations in Skew of the Pickup unit and to provide optimum match with the recorded
signal on the Disc.
1) Connect an Oscilloscope to the “Pin 142” Test Point (See Fig. 3-5).
2) Connect Power, Open the Tray and Play Ch.14 Which is in the TDV-533 Disc.
◆ Set the Oscilloscope Range as follows :
(Voltage ; 50mV/Div., Frequency ; 10m Sec.)
3) Adjust the Screws “A” and “B” (See Fig. 3-6) using a Hex screwdriver until you obtain a Flat Waveform and
the picture is stable.
Then, go to Chapter 1 and make sure the Waveform is Flat here as well.
If not, you have to go back to Chapter 14 and adjust again.
If you cannot obtain a Flat waveform, then the unit is defective.
Note : The Deck must be in a horizontal position. Use both “A” and “B” screws to adjust.
Typical Waveform before Adjustment Waveform after Correct Adjustment
Fig. 3-7 Envelope Waveform
3-2-3 Firmware Upgrade with CD
Follow as below
1) Power On the SET
2) Play Upgrade Disc
3) Then, SET is automatically Upgrade Software
4) During Upgrade, You can see “READ” and “ERASE”, “WRITE” , “DONE” in your TV.
5) If Upgrade is finished, Picture of TV is goes out to Black, and Only “-- --” is remain in LED Display
(But this state is not Stanby)
6) Input “STANBY/ON” Button In your REMOCON or Front Pannel to Turn off the SET.
7) Power On the set, and input “OPEN” button before Disc is loaded.
When Tray is open, Delete the Upgrade Disc.
8) This is the end of Software upgrade.