OKI OKITVV32T2 repair, Vestel 17PW20 V1, stuck in Standby (fixed)

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • Chungalin
    Badcaps Veteran
    • Jul 2014
    • 422
    • Spain
    #1

    OKI OKITVV32T2 repair, Vestel 17PW20 V1, stuck in Standby (fixed)

    Blue standby LED on, you press for powering on and it blinks twice just to get back to solid blue.

    Vestel made TV, with 17PW20 V1 power supply. I find both 4700uF/6.3V caps bloated (by G-LUXON). But I know that it won't be enough with these two. Full ESR check and I find high ESR on C834, C835 (100uF/50V G-LUXON, one of them up to 7Ω ESR) and C826, C881, C874 (10uF/63V G-LUXON all about 4Ω). Film caps C877 and C878 show correct capacity, no problems with these.

    Replaced bad caps and working fine now.
    Tags: None
    Previous template Next

    Related Topics

    Collapse
    • Ukdigger
      Sony KDL-40EX403 Stuck on Standby Fixed
      by Ukdigger
      This TV was stuck on standby, all the voltages tested ok. I Googled the problem
      and found that the ambient sensor could be causing the problem. I disconnected the two leads going to the ambient sensor (on the infra red remote sensor board) and the TV worked with no problems.
      05-23-2022, 02:34 AM
    • lepak06
      TV LED 4K Selecline 65S18 ( T.MS3458.U801) stuck in Standby mode
      by lepak06
      Hello

      I have an TV Led 4K Selecline 65s18 with mainboard T.MS3458.U801

      The TV is faulty with stuck in Standby RED LED. Can't power the TV.

      Before this problem , the TV stuck the picture with artefact , i unplug the AC cable and since the tv is stuck in standby .

      All voltage are OK on PSU and main board for regulator. I tried flash firmware 25Q64 with many dumps

      But the voltage on power button is 0.6V not 3.3V. When i press power button the voltage up to 0V. I tried to add 5V with Power Supply on 5V_STB and 3.3V on Power...
      01-12-2023, 01:43 AM
    • Adenitz
      Troubleshooting Vestel TV, has standby, but cannot turn ON
      by Adenitz
      Hello,
      I need advice in troubleshooting Telefunken TV (it is actually Vestel). There is red Standby light but TV cannot be turned on either by remote control (which is good and tested on another TV) or by actual on/off switch at the back of the TV.
      Power board is Vestel 17IPS71 and I'm not sure about the mainboard, it seems like 17MB82S
      Both boards are shown in the attached photos.

      What is normally first that is checked in this case. I have removed power board, make sure it has no dangerous voltage on the big caps and check many components (transistors and diodes)...
      12-27-2023, 03:43 AM
    • toty79
      Hisense LTDN50K220WSEU stuck in standby
      by toty79
      Hello to all friends of the forum and well found, here I am asking for your help and sorry for my translated English.



      As per Hisense tv title LTDN50K220WSEU stuck in standby
      PSU rsag.820.5687 HLL 4855WF
      Main rsag 7.820.5842
      I enclose the psu diagram, after the first routine checks I find myself with a regular standby voltage of 3.3v blue light on steady when the power button is pressed nothing happens, psu disassembled and bench checked ... forced ignition by sending a signal 3 , 3v on the SW and PWM2 pins the psu turns on and delivers all the voltages...
      05-01-2022, 04:39 PM
    • lego1234567
      LG 32LB1R - stuck in standby mode
      by lego1234567
      Hi. I have the following problem with my TV. After connecting to mains, the standby led (red) turns on, but TV is not responding to remote control or buttons on TV. After some measurements, I found out that +5 V standby voltage is present, but I dont have ON/OFF signal coming in to turn PSU on. It stays at zero volts. After looking at the schematic of the mainboard, I should get ON/OFF signal coming in at the R1402 resistor, but it stays around +3,5 V. So I removed it and I was able to turn on TV with buttons on TV, but not with remote control.

      What could be the problem ? Thanks...
      2 Photos
      01-21-2024, 03:39 AM
    • Loading...
    • No more items.
    Working...