Re: Bush LCD37TV016HD
The fuse is fine.
The fuse is fine.
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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. -
Re: Bush LCD37TV016HD
has f5a on it cant make out any other number after taking off some of the heat shrink.
so tom what else you suggest.Comment
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Re: Bush LCD37TV016HD
so ive tried 2-3 power cables
clear fuse next to power cable ive tested
also the fuse in position f2 tested
no physical blown caps or burned out parts
so now im stuck at a crossroads.Comment
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Re: Bush LCD37TV016HD
If TV repair were this easy everyone would do it. Very rarely is it something obvious.
SO, I would suggest you test everything. And if you do not know how to test something, look it up or ask on here.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: Bush LCD37TV016HD
so tom where shall i startComment
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Re: Bush LCD37TV016HD
I don't know. Without clear pictures, I can't really suggest much.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: Bush LCD37TV016HD
do you want clear pictures of the pcb only or all the boards,i will re-post.Comment
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Re: Bush LCD37TV016HD
Power supply as for now I think that's where the fault is.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: Bush LCD37TV016HD
Sorry to butt in (you are doing a fine - and patient - job tom), but have you checked the fuse in the mains plug LEEDASH? I know it sounds like an obvious question, but you haven't mentioned it so far.________________________________________________
Invisible airwaves crackle with lifeBright antennae bristle with the energy________________________________________________Comment
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Re: Bush LCD37TV016HD
yes radio fox,plus two other from working sets.Comment
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Re: Bush LCD37TV016HD
Attached FilesComment
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Re: Bush LCD37TV016HD
Hope these are ok tom,thanks for all your advice.Attached FilesComment
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Re: Bush LCD37TV016HD
.Comment
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Re: Bush LCD37TV016HD
Need pictures of underside of board.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: Bush LCD37TV016HD
Can you test at the glass fuse near the mains inlet for a voltage.
If you just have the Power supply board that will do for this test.
Put it on a non conductive surface.
Set your meter on AC Volts600
Connect the board to the mains and VERY CAREFULLY put one probe on each end of the glass fuse, as you did when you tested its resistance. If you have crocodile clip attachment for your meter use them. - Connect it first then plug in.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Bush LCD37TV016HD
Ok,I take it the glass fuse controls the power lead socket ?Comment
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Re: Bush LCD37TV016HD
I don't understand what you are trying to measure here?
If we need to know if the mains voltage is reaching the fuse, it can be done with absolute safety by measuring continuity between the Live pin on the mains plug and the fuse.
No disrespect LEEDASH but you are obviously a newbie to faultfinding, so I think it is safer to do as many unpowered tests as possible before doing potentially dangerous ones!
My next step would be to measure continuity between the Live pin on the mains plug and the bridge rectifier. Then the neutral pin on the mains plug & the bridge rectifier.
LEEDASH...in photo 008 in post #71, there is a component bolted to the heatsink (behind the orange capacitor). It looks to me like a D15XB-60. There should be continuity between the Live pin on the mains plug and to one of the inner pins marked with a ~.
With the set unplugged from the mains supply and the PSU board connected to the mains input connector, set your meter to it's lowest Ohms range. Ensure that the mains ON/OFF switch on the TV itself is switched to ON (if it has one). Put one of the meter's probes on the Live pin of the mains plug. Put the other probe on one of the inner pins of the D15XB-60 (marked with ~). It should read almost 0 Ohms. If it doesn't, then put the probe on the other inner pin. One of them should read almost zero.
Now put one of the probes on the Neutral pin of the mains lead, and the other probe on one of the inner pins on the D15XB-60. This time you should get almost zero Ohms on the pin that didn't give zero Ohms last time.________________________________________________
Invisible airwaves crackle with lifeBright antennae bristle with the energy________________________________________________Comment
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Re: Bush LCD37TV016HD
ok,multimeter is set to 200 ohms
d15xb-60
number 1,2 and 4 pin no reading,just '1' on the meter.
number 3 pin ~ with this symbol is reading 00.8Comment
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Re: Bush LCD37TV016HD
That's good. Can you confirm that pin 2 on the D15XB-60 also measures 00.8 on the meter when the other probe is touched on the other pin of the mains plug.
What I am getting at is that the Live pin on the mains plug should show a very low resistance to one of the pins marked with a ~ on the D15XB-60, and the Neutral pin on the mains plug should show a very low resistance to the other pin marked ~ on the D15XB-60.________________________________________________
Invisible airwaves crackle with lifeBright antennae bristle with the energy________________________________________________Comment
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Re: Bush LCD37TV016HD
this isnt a bad price if you just want to change the board reading on line though seems these have issues around the pfc circuit no fixes mentioned though you do have one output voltage you mentioned on 1 pin which was low?
http://www.ebay.co.uk/itm/MLT198H-PO...item3a7f3056a9
or this as it cross references over
http://www.ebay.co.uk/itm/MLT198TX-P...item3a7f3059c4Last edited by vinceroger69; 03-13-2013, 10:04 AM.Comment
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Hi,
Trying to fix a bush TV. The Tcon is integrated onto the main board by the looks of it but before I buy a replacement does this look like a screen fault? The lines at the bottom are concerning me. I have check for shorts on the caps etc and can't see anything obvious. Nothing is overly hot and I've tried heating different boards and pressing down on the flex but no change in picture.
Any advice welcome. Thanks in advance.... -
Hello everyone. 😀
As per thread title, this unit has a serious SMPSU fault. It blows F1001, which is a 10A M205 in the phase from the mains input.
Very first thing I tried, was simply replacing the fuse, but the replacement ceramic fuse blew immediately.
Looking at the schematic for this PSU, I then removed what I thought was the next likely candidate: D1001 - the HV main bridge rectifier.
This isolated the fault(no longer blows the main fuse), but does not point me to the actual fault.
There are no devices that have exploded or otherwise show signs... -
- Prior owner tried a replacement main board. No difference.
- Samsung 2x red blinking standby LED = panel fault
- Jumpered FB_TRDY_1 (pin 1 CN1300 left. main tcon->left side buffer boards) and FB_TRDY_3 (pin 95 CN1301 right. main tcon->right side buffer boards) This allows testing individual T-Con (on main board) connection to panel on this Samsung. Found fault on left side (viewing from rear of TV)
- Each side has 2 buffer boards, disconnected left side flex between 2 buffer boards. Fault is on the left most board.
- Tape masking eventually isolated to CN1300 pin 15 (CKV4_GOA) Display
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I have been having a fun time at work with two pieces of equipment that had shorted components or shorted component cables to machine frame
I would check what my multi meter was telling me about how many ohms I getting with the multi meter was telling versus the ESR was telling me about weather or not it really was a short to machine ground or not
One note at first we thought that it might be a bad I/O card or a malfunction PLC including me as well but I thought I would try and see if removing the I/O cables would make a difference or not and this time it did make a difference... -
Hi, I was recently given a Bush Smart TV by a friend and the main board seems to be hanging on by a thread.
Before we get to that, my first obstacle was figuring out the model number since the back sticker has gone for a walk. Upon taking off the back case, I noticed the following Vestel parts, 17MB95m mainboard, 17IPS71 (what I'd assume is power supply) and a VES420UNVL-3D-S02 display panel. After doing some research I think the TV I have is a Bush ELED42240FHDCNTD3D, based on the matching image here (https://www.manualslib.com/manual/11...td3d.html#manu...
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