Re: Samsung le46b530p7w
sorry 0.09
sorry 0.09
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Re: Samsung le46b530p7w
OK, it looks like we've been chasing a wild goose. I should have asked you for that measurement before.
Check the pin 23 inverter on/off is staying HIGH from main board (connector going between main & power.)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: Samsung le46b530p7w
if ive read pin 23 right on the main board
12.5 vComment
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Re: Samsung le46b530p7w
That doesn't seem right -- it's probably the one right next to it. If it's a double row connector, maybe the one above it. See page #1 of schematic for the pin diagram.
[SCH].pdf&mfg=SamsungPlease 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: Samsung le46b530p7w
your schematics hosting keeps timing out on me ? so ive upload some pics to see if that helpsAttached FilesComment
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Re: Samsung le46b530p7w
ok found it reading is 4.9 vLast edited by sordids999; 11-19-2013, 11:02 AM.Comment
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Re: Samsung le46b530p7w
could it be the main board then tom ?Comment
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Re: Samsung le46b530p7w
hi any more ideas on this problem getting close to scrapping this one
thanksComment
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Re: Samsung le46b530p7w
Try this, then:
http://www.toms-service-manuals.com/...df&mfg=Samsung
Had copied url wrong.
The BL ON signal is steady when it stops working?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: Samsung le46b530p7w
tried again the backlight comes on when you first turn the tv on but after 5 mins it goes off again, i have to short PCI801 to get the backlight on again all voltages from the psu to main board seem steady even when the backlight switches offComment
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Re: Samsung le46b530p7w
So a brief short across PCI801S gets the backlight going, but what about a permanent short?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: Samsung le46b530p7w
no tom a permanent short will not work tried that when i first turned on the tv no backlight had to remove the wire then the backlight comes on,then when it goes off i just touch PCI801S to get it going againComment
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Re: Samsung le46b530p7w
ok totally baffled now if i do a picture reset in the menu the tv is still working its been 30 mins now and countingComment
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Re: Samsung le46b530p7w
opps spoke too soon picture gone well it lasted longer this timeComment
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Re: Samsung le46b530p7w
If you repeat the reset does it last again? Could be a coincidence.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: Samsung le46b530p7w
coincidence
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Re: Samsung le46b530p7w
I've got another idea but will have to wait for tomorrow when I am more awake. Some error detect is firing. UVLO is one of them but there is also a few others that can cause this issue.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: Samsung le46b530p7w
ok thanks m8Comment
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Re: Samsung le46b530p7w
Just a thought before you go diving in checking things, have you inspected for cold joints and loose connectors?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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