Forum > LCD TV forum

PROVIEW product no ef42-vc model4200

(1/4) > >>

WILLYAM1:
hello everyone.
need service manual or schematic diagram for power supply no IPOS 250-PH1 OR IPOS250 A40.
THIS P.S CONTIANSthe inverter.
problem is whith power on stbyled is on (red) by power remot red become blue and again red .
by checking it notice that all voltag ok but inverter dosent work an ic sg3525 pin 15vcc(12v)not exsist.
 this shuld  come from an ic no  d78f922ck that conected to aplag that go to the main board 3 wires gnd bl on and pwm any one can tell me what volltge shuld be on blon and pwm.
willyam1

WILLYAM1:
HI TO ALL BY DIGGING IN INTERNET FIND THAT THIS TV IS THE SAME LIKE POLARIOD TLX 0420 .
WIATING FOR ANY SOLUTION.
WILLYAM1

WILLYAM1:
waiting for an answer....... anybody  .
willyam1

lubos55:

--- Quote from: WILLYAM1 on August 19, 2010,07:53:39 ---hello everyone.
 any one can tell me what volltge shuld be on blon and pwm.
willyam1

--- End quote ---
Hi,

aproximately 3V,I have similar service manual,but power+invertor is not described.

WILLYAM1:
thanks lubos55.
i notice that all valltage in p.s are tripping including( pin power on ) and blon and pwm.
when opereted p.s out out of tv and put 5v in power on pin all valltage are ok no trips but steel inverer dont work i will try to operet it whith 3 wires plug and see the result.
willyam1.

Navigation

[0] Message Index

[#] Next page