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Convergence board diodes

Changed the stk's but the red still wont shift up or down only side to side. I need the value for the diodes at the stk's # 2367 on the board I cant tell what voltage zener they are its a pioneer sd-p6093-k

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  • notfrmhere Dec 21, 2007

    I know its one diode and just need the value for it........... I bent it and bending it back the lead broke off at the body so I put a normal diode in its place so I can watch tv..... I really didnt want to buy a service manual for finding out the value for a .99 cent diode



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How about looking at the output resistors... also look at the fuses feeding the stks ussally if the blow the two fuses blow

Posted on Dec 21, 2007


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I have red convergance problem.. This is the second time I have replaced all diodes and the stk chips. they dont have any 110 stk chips so i am using 150 stk chips. I replaced all diods and now RK 62...

Alot of techs recommend using the higher wattage ICs to replace the stock ones, which is never a good idea since the resistors get stressed. Upgrading to the STK394-160 IC is the only upgrade Hitachi recommends but then the values of the resistors need to be changed since the stock resistors will not work with the upgraded ICs

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Philips 43pp92 blue will not converge

STK392-120 is convergence correction amplifier.. the problem is the convergence circuit... try to check the small Valuie electrolytic capacitors or High value resistors! maybe the said parts is in change Value... used a ohmmeter tester to find the chenge value parts!.

Nov 05, 2007 | Philips 43PP9202 43" Rear Projection...

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Have you checked the bias resistors for Exact Value. They normally change value when the stk's take a dive.

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Colour problem with rearview projection tvred

you will need to change out the convergence board if the blue and green wont align its time for a new board

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1 Answer

HELP! Can you help me Slinte?

Can you post the board location number of thr resistor that is circled in yellow such as R8006 and I will post the rating of that resistor as thats what the problem is usually one or two of the resistors will burn when the ICs go out.

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Hitachi 43FDX01B convergence red line wont move

probably need to replace STK IC on convergence board and possibly associated low value resistor

May 09, 2008 | Hitachi 43FDX01B TV

1 Answer


Look for the STK ICs mounted on 2 big heatsinks.
I would suggest to replace both of them once you have the TV taken apart.
I think the part markings are STK392-040.
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1 Answer

Zenith red convergence problem.

yes thats the right board if those two resistors are open the convergence ICs will need to be replaced as well. Its an easy repair. Heres a link where you can order the parts and recieve free installation instruction. If you need me to post the STK numbers and values of the resistors

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Colors separated

You need change STK392-560(can use STK392-570)
I guess it happend when holding bolts weaken to radiator.(Check other STK on next radiator)
You have to change STK on right radiator.
Disconnect small connectors. You can l leave Hi Voltage two lines(RED). unscrew board.
Pool board out.
Unscrew STK. Set board verticaly. Just pool STK bu pincet and heatup solder. One by one...
Clean halles.
Set new STK with thermopasta on board in to hallsradiator. Screw up.
Wet contacts by liquid fluse. And sosler them.
Clean up by alcohol...Check for short by lense...
Set up board back...5515c27.gif

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