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10. POWER PCB Assy Voltage
Adjustments
(Va, Vs Voltage adjustments)
10-1. Test Equipment :
D.M.M. 1EA
10-2. Connection Diagram for Measuring
: refer to Fig.15
10-3. Adjustment Method
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D. M..M. to Va pin of P807, connect
2) Connect + terminal of D. M..M. to Va pin of P807, connect
-terminal to GND pin of P807.
3) After turning RV501,voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(deviation;
(deviation;
±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D. M..M. to Vs pin of P807, connect
-terminal to GND pin of P807.
2) After turning RV 401, voltage of D.M.M adjustment as
same as Vs voltage which on label of panel right/top.
(deviation ;
(deviation ;
±0.5V)
11. EDID (The Extended Display
Identification Data)/ DDC (Display
Data Channel) download
11-1. Required Test Equipment
1) Adjusting PC with S/W for writing EDID Data.
(S/W : EDID TESTER Ver.2.5)
2) A Jig for EDID Download.
3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
11-2. Setting of device
11-3. Preparation for Adjustment
1) As above Fig. 16, Connect the Set, EDID Download Jig, PC
& Cable.
2) Turn on the PC & EDID Download Jig. And Execute the
S/W : EDID TESTER Ver,2.5.
3) Set up S/W option.
Repeat Number : 5
Device Address : A0
PageByte : 8
Device Address : A0
PageByte : 8
4) Power on the Set.
11-4. Sequence of Adjustment
(1) DDC data of Analog-RGB
1) Init the data.
2) Load the EDID data.(Open File).
[Analog(RGB) :
42PC1RR_RGB(B3)0307.ana] (VGA,XGA)
[Digital(HDMI):
42PC1RR_HDMI(DB37)_0307.div] (XGA)
42PC1RR_RGB(B3)0307.ana] (VGA,XGA)
[Digital(HDMI):
42PC1RR_HDMI(DB37)_0307.div] (XGA)
3) Set the S/W as below.
4) Push the “Write Data & Verify”button. And confirm “Yes”.
5) If the writing is finished, you will see the “OK” message.
4) Push the “Write Data & Verify”button. And confirm “Yes”.
5) If the writing is finished, you will see the “OK” message.
(Fig. 15) Connection Diagram of power adjustment for measuring.
(Fig. 16) Connection Diagram of DDC download
Open File
Open File
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