Author Topic: ONN LCD TV MODEL...LE42LCD0701.  (Read 6655 times)

0 Members and 1 Guest are viewing this topic.

chrissie jones

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 874
  • disk jocky for 32 years.started tv repairs 1985.
    • Email
ONN LCD TV MODEL...LE42LCD0701.
« on: September 17, 2011,04:25:26 »
this set comes with sound but no picture,no backlite.24volts ok to inverters,smd fuses on inverters ok.any idears lads....

Mulja tv repair portal

ONN LCD TV MODEL...LE42LCD0701.
« on: September 17, 2011,04:25:26 »

sparky

  • Hero Member
  • *****
  • Posts: 1223
    • Email
Re: ONN LCD TV MODEL...LE42LCD0701.
« Reply #1 on: September 17, 2011,04:31:27 »
check the inverter transformers with meter ohm reading
will tell which is faulty or change panel posted in wrong section
dave

In_Focus

  • Full Member
  • ***
  • Posts: 79
    • Email
Re: ONN LCD TV MODEL...LE42LCD0701.
« Reply #2 on: September 18, 2011,11:25:03 »
What chassis is in it? If it's Vestel backlight on/off and PWM drive for dimming come via the psu. What other voltages do you have to the inverter other than the 24v supply? There should be one pin at 3.3v and another at 2 to 3v (not some Chi Mei screens).

Mulja tv repair portal

Re: ONN LCD TV MODEL...LE42LCD0701.
« Reply #2 on: September 18, 2011,11:25:03 »

 

download
download