Sony Double Image Solved

CASE: 

• Sony KDL32EX402
• LTY320HM01 panel type A02
• T.con use a dc-dc converter MAX1722
• Problem picture double top to bottom

  

SOLUTION: 

• Lowering the voltage Voff from (-) 12v into a (-) 19v.
• By changing the resistor RD18 (see picture) from 7.5K into a 12K ohm
• The results of the top there is still a bit flawed. Consumers can receive.

(source ) Additional notes:The experience of Wanto Solder - R substituted 12K horizontal image even collapse. Nice pictures after trying replaced 15K



Other Sony case

Samsung 23 inch panel LTA230-AP01 with  2 pieces of  connection FPC left-right ......

Problem 1/3 of the screen is nice .... 2/3 below the bottom of the screen double vertical

Crunch-crunch-crunch ..... circumcision group CKV, CKVB, Vss, STVP ...
Image not double again ............

But the border pas 1/3 2/3 top with the bottom,  sometimes it seems clear / sometimes vague,  there is interference thin green horizontal lines of the line ....... sometimes full, sometimes disjointed

It felt really dissatisfied, ...... because there are disorders that disrupt the middle of the screen ......
Experiments ... continued there ... continued here ..... sometimes added a clear line - can sometimes be reduced .. ......

God is great, the seven seas if used as ink knowledge of God will not be exhausted.Alhamdullillah ......

Perfect ...... .gangguan no longer appears ... ..dengan way R680k pairs of CKV2 direction panels are cut   to the ground