Question about Dolphin Sun Pro 120 Fishing Boat Bass Sportsman

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Power board price.

Hi Benimur,
with reference of premium...
http://www.fixya.com/support/t1446472-sony_sdm_hs73p_problem

Customer wants to repair the unit in just 4.00 and doesn't want to spend money to buy new board which cost almost $90

You did a lot research to provide helpful info to user and I appreciate your technical knowledge.

I was involved in tech debate and couldn't saw your message regarding board part number. I'm sorry for that negligence.

Have nice time.

Posted by on

  • Shahid Electronics
    Shahid Electronics Dec 29, 2008

    I'm not concern about 4 or 6 digit, just sharing user's thoughts like what he wants to do.
    I don't think schematics are available for such boards.
    You did great job when you find substitute board and user was jumped on seat. lol
    have good day.

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Hi welcomejee,

The 6 or now the 4 are just numbers for us. Its the challenge, the chance to prove oneself is right.

With what happened, you could see all the others were shying away and staying at the sidelines.

Now if only we could find a schematic of an LG/Zenith monitor or LCD TV that uses the same PSU/Inverter board, that would be the icing on the cake.

Cheers and appreciate much the kind words.

Posted on Dec 29, 2008

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1 Answer

Monitor sony sdm hs73p come black in few seconds


This SONY series are known to have bad lamp assemblies due to poor workmanship.
http://s807.photobucket.com/albums/yy352/budm/SONY/Sony%20SDM-HS73/

You need to also check the caps in the power supply, etc.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Jul 11, 2011 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

Screen goes black while power button is on i turn off power to monitor and it will stay no a few seconds and go black once again


Common problem with is SONY 17" and the 19" are due to fail lamp assembly as shown in my pictures here which will be the worst case. You will need to check the other parts in the set first.
http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS93/

You will need test lamps to verify.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 08, 2011 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

No picture Display when turned on lots of Colour lines, could this be the inverter board problem. the model is Sony TFT LCD Color Computer Display SDM-X72 Serial Number 4530624 Manufactured April...


This is not an inverter problem. The inverter only powers the fluorescent lamps in the back of the LCD panel.

It is probably a fault in the LCD data decoder circuit or a failing connector between the decoder circuit board and the glass LCD panel. If you took it in to a shop, they would probably charge you a full hour's labor minimum - compare that with the price of a new LCD monitor.

Dec 14, 2010 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

Sony sdm-hs73p LCD blacks out


Common problem in the HS73/93 is bad soldering works in the lamp assemblies, see my pictures here:
http://s807.photobucket.com/albums/yy352/budm/Sony%20SDM-HS73/

But look for bad caps (leaking/bulging top) first in the power supply section.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 01, 2010 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

My sdm-hs73 moniter the power is on but screen is blank, what could be wrong


First check brightness and contrast settings.
If all good could either be your lcd back light has gone or the inverter. To check if its the black light shine a torch through the back of the screen to see if you can see a slight image on it, if you cant see anything the inverter board is faulty and to repair needs to be changed.

Jan 21, 2010 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

Sony SDM-HS73 Monitor huts down after 15 seconds..


Hi...there,
Well, open it up and look for the capacitors voltage (example 1000uf 16v). You can get it in any of your local electronic repair shop or radio shack.

Jul 01, 2008 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

SDM-HS73P Screen Flashes


This is a problem I have seen with a few LG monitors.
Your Inverter circuit is fine (that powers the lights to your screen so you can see the image on the LCD panel) but the monitor does not like having a video signal attached to it.

  1. Bad capacitors on the power board can upset the current going to the controller board. This board included the video input circuit and the power supply needs to be stable for this to operate.
  2. The controller IC that translates the video signal into what the LCD panel controller can understand is failing. Normally this fault occurs in the horizontal and vertical input of the IC. The fact you can see the other message on screen is due to it going through it's own internal and seperate section of the IC. In this case the only repair option is to replace the internal video board. Sony will not supply the parts directly to the public, but if you are really nice, they "may" tell you where to get one externally to Sony.
Hope that helps =)

Apr 16, 2008 | Sony SDM-HS73P 17" LCD Monitor

1 Answer

SDM-HS73P Sony monitor


buddy just check the power cable of the monitor... may be there is problem with the power cable try changing power cable...
and also after connecting with the old cable only just press the power button of the monitor may be it s turned off... try turning it on...

Aug 16, 2006 | Sony SDM-HS73P 17" LCD Monitor

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