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Re: Power problems with PRO-530HD
Do you know what the pix look like be for it whent dead?
some time bad solder can do this. in the center of the board
thear is fuse that go bad because of bad solder on stk 392-120 or 110 on the conv. pcb the fuse is 5amp 125v you have about 3 of them on the def pcb. to ch them. to hit the flyback&hozoutput
ch cap.s in power supply.
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This and a few other models like it have one real common issue:
they develop from age and heat bad solder connections all over the power board (rather large board).
My experience with them is the fix usually is remove rear cover and follow power cord to power board (a lot of plugs to mark) and remove that board----then solder every single connection on the board which by the way has some special fuses on it.
Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
1 or 2 things, Blowed Fuse on the Deflection power supply board
6.3 amps will be located in the Middle of chassis.
STK ICs need to be replaced STK392-110 use 120s
Mats Electronics has them 1-800-628-1118
What to do: if you have a solid amber light
If the power light on the box will not change from solid Amber to solid Red then it is possible that a problem has occurred with the current in use software. Before attempting a fix, power the box off and on at the power socket and then wait at least 5 minutes for the solid RED lamp to appear.
If it still remains solid Amber and the box will not come out of standby to ON (Green light) then this can be corrected using the software revert procedure which is done using the box front panel buttons as follows:
1. Remove power to the unit by removing the power cable from the back of the box.
2. Wait 20 seconds and then restore the power cable while pressing the standby button repeatedly on the front panel of the box.
3. Release the standby button immediately when you see a lamp flash on the box's front display, and then immediately press the following front panel arrow buttons in this sequence:
- Menu - OK
Note: you have to do this quickly and in sequence
4.The Orange light will flash and the STB will then reboot and should return with the previous version of software.
5. The box will now be running with the previous software version but it will automatically update with the latest version within approx 2 hours and you will be notified by message which will appear in the Message area within the Main Menu.
If you're still having problems please call 08444 159 159 and a member of the Technical Team will be happy to help.
Its really hard to say if its a major problem or not. I think anytime a circuit part goes bad thats its a major problem, because these sets HAVE NO USER REPLACEABLE PARTS inside so you should call out a trained technician, as theres alot of High Voltage inside these sets and also this is not a place for an experimenter or a handi-person to be messing around in. Your problem if you are a tech and Know the HI voltage saftey issues is most likly in the standby or main power supply... Good Luck