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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-03-2022, 12:22 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

Well, I guess moving it around to keep away from pets, having no rigidity, plus with my inability to keep it from twisting too much as I move it from one place to the other, has apparently taken its toll on one of the lights unfortunately, one end of the top bulb broke, right at the beginning of the blackened area of the bulb.

I still checked the coils and they seemed ok, all reading about 0.1-0.2 ohms.
However, it looks like this...

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 09:48 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

Pics of inside the backlight housing area. I will try and see tomorrow, possibly, if any of the lights do not come on. I am thinking they are ok, only because there are no noticeable dark areas of the screen when it does light at power on......

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 08:20 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

I considered that, but, when the tv initially powers on, I see picture and backlights come on. Hence why I noted that I get the message "please wait..." then it goes black while staying on. This happens every time I power on, so, I can only assume backlight is still working.

Bad caps, possibly? ((I also noted that this is a "new-probably refurbished or taken from partly good tvs respectively" PSB and Control Board. So, I am not sure that is what the...

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 06:40 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

pin 1: Labeled "GND"
pin 2: Labeled "12v"
pin 3: Labeled "12v"
pin 4: Labeled "GND"
pin 5: Labeled "GND"
pin 6: Labeled "PON"
pin 7: Labeled "5v-1"
pin 8: Labeled "5v-5"
pin 9: Labeled "PWM"
pin 10: Labeled "BON"...

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 06:07 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

x508 connector voltages (powered off vs powered on) is as follows:

Standby mode plugged in and powered off:

pin 1: 0.000v
pin 2: 0.033v
pin 3: 0.033v
pin 4: 0.000v
pin 5: 0.000v
pin 6: 0.020v
pin 7: 0.002v
pin 8: 5.079v
pin 9: 0.001v
pin 10: 0.005v

Powered on mode:

pin 1: -0.005v
pin 2: 11.78v
pin 3: 11.78v
pin 4: -0.007v
pin...

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 04:56 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

Pics of the connections and boards. I can check specific voltages if asked to. I have also checked for the voltages I get on the top two backlight lines when I power on and it reads about 12v for each before the backlight turns off. I know that it technically works other than it saying "please wait..." before the screen just goes black with no more backlight while everything stays in the "powered on" state....

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SCCronauer25 replied to Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 04:08 PM
Re: Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

Got it, will do.

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SCCronauer25 started a topic Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

in Troubleshooting TVs and Video Sources

07-02-2022, 02:34 PM
Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

I am trying to fix my Dynex tv. The PSB is new and so is the Control Board, but when I turn it on, I get "please wait..." on screen, then it quickly goes black. I have the back of it off and checking voltages shows 5v standby and 2.5v supply comes on going away/into PSB/Control Board, 24v is present on PSB (getting .4v on most, if not all, backlight lines, 5v to backlight is there also), the control board's heatsink staying hot to the touch, plus the 2.5v going away/into the PSB/Control Board, gives me the impression it is on. What else should I check for?

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SCCronauer25 replied to New Members - please post your introductions here

in Announcements & Related News

07-02-2022, 02:23 PM
Re: New Members - please post your introductions here

Getting into electronics repair, but I have limited resources, aside from youtube and the like. Trying to learn more, but in the meantime, I am unfamiliar with much electronics repair diagnosis practices other than understanding the basics of electronics components and the like.

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Dynex tv with model #32L200a12 turns on, but shows "please wait..." quickly...

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