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Search: Posts Made By: Ancient1
Forum: Troubleshooting TVs and Video Sources 05-04-2022, 10:38 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I tried measuring again , and the readings are "all over" and illogical even if I hold the probes steady with no movement.

I'll re-measure the batteries with another DMM
I'll de-solder the...
Forum: Troubleshooting TVs and Video Sources 05-03-2022, 04:02 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Well, you are correct - it didn't work .

I does have an issue ! The battery is fine , I replaced not long ago. But the probes don't measure anything sometime
I must resolve this.
I tried to...
Forum: Troubleshooting TVs and Video Sources 05-02-2022, 02:12 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

The 3 R I bought , measure in series 1.1-1.2 with my DMM.
I will try this , as I assume my DMM isn't precise
we'll see
Forum: Troubleshooting TVs and Video Sources 05-02-2022, 05:06 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I will tell buyer to use Surge Protector.

The band is Violet : 0.75 Ohm . I can't get logical reading now.

Do you want me to try 4 Ohm on the old PSU ?
Forum: Troubleshooting TVs and Video Sources 05-01-2022, 11:21 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I don't understand : do you mean that the TV will be OK for a long time ? i.e stay fixed and image not deteriorating/degrading for years ?

I attach a photo of the Resistor in the new board : I...
Forum: Troubleshooting TVs and Video Sources 05-01-2022, 10:45 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Exactly. PSU died when trying to check results of 1 Tab removal.
New PSU showed the result isn't good : lines , lighter shade strip were the Tab was ripped , and dark middle screen.

I Verified...
Forum: Troubleshooting TVs and Video Sources 05-01-2022, 07:25 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

:thumbsup:

smartphone photos look darker than the image on screen is actually is.
I did not edit ( changed brightness )

looks great :rejoice:


Can we say FIXED ?
Forum: Troubleshooting TVs and Video Sources 04-29-2022, 10:52 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Hehe .
This story never ends.. unbelievable

OK, I will rip ALL Tabs on the same side - You agree ?
Forum: Troubleshooting TVs and Video Sources 04-29-2022, 01:22 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I tried a youtube video too, but clearly , the image is very bad
I offered a guy to give him the TV, but its not worth the effort. Clearly unusable

I flipped the TV image vs the Laptop, for...
Forum: Troubleshooting TVs and Video Sources 04-28-2022, 11:26 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Not Good

1. Horizontal lines
2. Horizontal Areas
3. Middle Vertical area seems darker

The last image (Van Gogh) painting is the original.

I'll try a video to see how it actually looks...
Forum: Troubleshooting TVs and Video Sources 04-28-2022, 09:23 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

WOW

First try ! I was prepared for a completely messed up image !!

Few anomalies :
1. the "no Input" box insides split insides
2. Few Horizontal lines showing

But the Menu looks...
Forum: Troubleshooting TVs and Video Sources 04-08-2022, 11:32 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Ordered.
Expected delivery date : May 12.

I will try using the new to see where the difference to the old is. I'll keep you posted
Forum: Troubleshooting TVs and Video Sources 04-08-2022, 08:12 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Davi.P : "sealed" ?? you mean IC2 ? no, I used the 2nd one I bought.
I got no reply from the eBay seller who put a blister pack photo.

See Item 1005002778572497 in Aliexpress. Beside a...
Forum: Troubleshooting TVs and Video Sources 04-07-2022, 02:36 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Hi

So I measured :
Both QF1 QF2 measure ~3Khz
All the AZ431 pins fluctuate V.
U2 Opto : Cold side 11.4V and 1.5mV , Hot side Conducts.
3rd IC2 measures are in the photo .

I replaced...
Forum: Troubleshooting TVs and Video Sources 04-05-2022, 12:36 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

If this helps ...

I asked the eBay seller ( chinese ) if he sells like in the photo he put - blister pack. waiting for the reply
Forum: Troubleshooting TVs and Video Sources 04-04-2022, 01:59 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Its isn't simple to buy from Mouser here, the importer require minimum of ~$15. I will try and find..
Do you think there is a way to test IC2 if it is OK ?

OK. The store I got the 3x 0.22 Ohm...
Forum: Troubleshooting TVs and Video Sources 04-04-2022, 02:34 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I received new 2xIC2 in anon plastic bag.

I attach a previous Photo of QF1 QF2 as a reminder: you saw correctly

OK. So this is the plan :

Measure V : IC2 and U2 and AZ431
Measure Hz :...
Forum: Troubleshooting TVs and Video Sources 04-03-2022, 01:08 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

lotas : I have "Transistor like", TO-92, AZ431. I got the PDF now.

Davi.P
1. I can replace , as I bought 2. But Vcc is now fine, last time I checked.
2. What do you want me to do with U2
3....
Forum: Troubleshooting TVs and Video Sources 04-03-2022, 07:55 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Hi. Better late than never. sorry

I don\t quite understand :
* "not working PFC (possible)" - I put new NCP1653A ( Vcc was ~16V with IC off)

* As I recall , I think we replaced UF1 ... with...
Forum: Troubleshooting TVs and Video Sources 04-02-2022, 10:06 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I do measure Hz . For sure.

on another, GOOD TV board , I got 360K on 1st Mosfet and 0 on the 2nd.
So I assume my DMM is OK

I did the Gate , Hz Mode, measurement again :
QP3 Gate = 1.3K ...
Forum: Troubleshooting TVs and Video Sources 04-01-2022, 05:39 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

I don't get anywhere near 100k
I will test a good TV PSU as a way of testing my DMM.
Forum: Troubleshooting TVs and Video Sources 03-31-2022, 06:15 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

IC3 pins :
Continuity : all pairs NC
Diode Mode : 0.L one way , other way 0.58, but 12-13 , 13-14 0.L

QP2 QP3 : I measured using IC3 #10 GND ( Black on GND ). I think I don't know how to...
Forum: Troubleshooting TVs and Video Sources 03-30-2022, 12:03 AM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

"now i'm suspecting ic3, then everything on the standby aux line, that are ic2, ic3, D10 near ic3" - what do you mean ?
"if you can, test in diode mode between the pins: 10-11, 11-12, 14-15, 15-16,...
Forum: Troubleshooting TVs and Video Sources 03-29-2022, 04:07 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Guys, I am learning quite a bit from all of this. I think Davi.P is an amazing guy !
Forum: Troubleshooting TVs and Video Sources 03-29-2022, 04:05 PM
Replies: 377
Views: 19,438
Posted By Ancient1
Re: Can you dignose from the photo ? . Toshiba 65S2650EV

Davi.P
You're The Man

C31 marking : 223J1000V . I measure ~27.5 nF In-Circuit. It looks 25% off since 223J means 22,000.

I checked QP2 QP3 once for shorts - none.
I don't have...
Showing results 1 to 25 of 182

 
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