Re: Sharp LC-32GA6E Stuck in standby
need to check
need to check
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Re: Sharp LC-32GA6E Stuck in standby
Just started all over again, im getting 0v to the bridge reticfer
DMM set to 600ac, probes to snake signs in the middle or bridge reticfer = 0v
did fuse checks f201, f202, f203 all are ok.
When i probe D763 i get 245v,
How do i go about testing IC's ic701 & ic703Attached FilesComment
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Re: Sharp LC-32GA6E Stuck in standby
0V ac doesn't matter if ICs are bad you need to fix this first, what do you see across two middle pins?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Sharp LC-32GA6E Stuck in standby
DMM set to 600ac, probes to snake signs in the middle or bridge reticfer = 0v
did fuse checks f201, f202, f203 all are ok.Comment
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Re: Sharp LC-32GA6E Stuck in standby
In the picture from post #43 the 2nd pix, the circle is on ic703, one o'clock from the ic703 is D763 im getting 245v when probed.Comment
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Re: Sharp LC-32GA6E Stuck in standby
No relay click when powered on I guess.
There are probably two bridges one standby one main.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Sharp LC-32GA6E Stuck in standby
No clicky clickyComment
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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... -
Hello, I'm new to this forum. I like to tinker with Sony electronics, I have been lucky trouble shooting sony stuff, But I can't find much info on this Sharp TV.
The problem; plug to power>white led power indicator light is on>it turns on to the red Sharp logo>
then the android logo is displayed, lit fine then the android logo brightness varies, then lit normal, then the tv restarts and does the same startup logos over and over for 5 times then it turns off and the power indicator light flashes the trouble code 3 long blinks plus 3 short blinks .
does... -
hi, I have a sharp tv model LC-40LE814E with DPS-126CP-1 A power supply.
the tv initially turned on, displayed the image for 10 seconds and then turned off. so in a loop until the power was cut off.
reading the classic optocoupler problem I changed the mounted cosmos with SHARP PC817 recovered from other boards.
now the TV turns on for 1-2 seconds and turns off giving 2 flashes in the front LED.
to avoid banging too much I preferred to take an identical tested and working card (or so the supplier says)
...07-21-2023, 11:49 AM -
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... -
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...01-21-2024, 03:39 AM
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