Question about Samsung PCL5415RB 54" Rear Projection Television
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Posted on Jan 02, 2017
SOURCE: I have a sony projection
When you first turn it on,Count the flashes on the standby/power button.
Continuous blink once a second, no pausing - No reply from the jungle IC301 (data bus is busy, shorted to ground,or held high), IK video path is defective.
Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. Could be a short in the power supply of any of the circuits.
Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This isalso a problem in the power supply circuit, check T603 and R672.
Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted.Check IC1509, Q1505
Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on
the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.
Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206.
Seven blinks - High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits
Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback
transformer), or the associative components in the high voltage circuits are defective on the D board.
Nine blinks - Replace D 6116 and D 6301 on the "G" board, do not resolder as this will fix the problem temporary. Or Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times
you get flashing, then change the switching regulator on the "G" board or check connections. Make sure the regulator is -12 or -13 (negitive).
Ten blinks - Check Q8014 and Q8013 for shorts, leakage, or bad solder connections on the " D" board. If the transistors
are bad, check R8051 and IC8005, also on the "D" board
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Posted on Jan 18, 2009
Does the magic focus work on your set ?
If it doesn't you must replace the convergence Ic's with a kit that is available through your local parts distributor
You must replace all resistors in the kit
If you are not good at soldering and de- soldering have a local tv shop do it for you
Posted on Feb 08, 2009
It sounds like a convergence problem. A fairly common reason for thisproblem is the convergence chips have failed. They are usually referredto as "STK" chips since the model number of these chips start with STK.I will put a link to another part of this site where someone has postedpictures and a link where to get the parts should you decide to fix ityourself. Look at Ecullier2012's posting. Jean's posted site will notfix this problem. Hope this helps you out. Let me know.
Posted on Mar 16, 2009
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