Adjusting Procedure - Beko L6B PDP TV Service Manual

Beko Elektronik A.S

7-2 Adjusting procedure

1) Get Pattern to be Full White.
2) Adjust Vsch to 40V by using VR5004 ( Vsch should be connected to "+" unit of Multimeter).
Vsch is over 95V than Vsc_l.
3) Check the waveform using Oscilloscope.
① Triggering through V_TOGG of LOGIC Board.
② Connect the OUT 4 Test Point at the center of Y_buffer to other channel, and then check the first SF
operating waveform of 1TV-Field.
③ Check the waveform as before by adjusting Horizontal Division.
Check the Reset waveform when the V_TOGG Level is changed.
④ Set the Vset to 10us
GND maintenance section should be checked after the Vertical Division is readjusted to '2V or 5V'.
⑤ Set the Falling maintenance time to
⑥ Change the waveform position of Oscilloscope to 3SF and then set the Falling maintenance time to
by adjusting the VR5001.
GND maintenance section should be checked after the Vertical Division is readjusted to '2V or 5V'.
※ Special Notice
When you adjust the inclination of waveform, do check and adjustment being based on the Reset waveform
of 1 Sub-field of 1
st st
Service Manual
by adjusting VR5002.
30us by adjusting R5003.
Frame and then move to 3
Plasma Display Module-Samsung V3
Sub-field for adjusting.
rd
43 / 44
30us