Question about Samsung 50 in. Plasma TV
Samsung 50' Plasma PS50C96HDX has no picture only sound. I have tested the main power board etc...
When testing the y-sustain the fuse is not blown and the low power green LED is on and if I can get power up until here it must be the y-sus board or the screen itself? Please let me know if you think it could be anything else?
Thanks - Matt
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Posted on Jan 02, 2017
SOURCE: Y Sustain Board Replacement
I found the Z Sustain / Y Sustain (P/N: 6870QYC004A 6870QYC004B 6870QYC004C 6871QYH039A 6871QYH039B 6871QYH039C) here for CHEAP:
I found the X Sustain (P/N: 6870QZC004A, 6871QZH044A, 6870QZC004B, 6871QZH044B, 6870QZC004C, 6871QZH044C, 6870QZC104A, 6870QZC104B, 6870QZC104C) here: http://www.discount-merchant.com/We-provide-factory-original-parts-worldwide-p/vizio-sku9502.htm
These are also compatible with the following brands according to Discount-Merchant:
ZENITH, HP, VIZIO, MAXENT, LG, ZENITH, SONY, HITACHI
Posted on Jan 14, 2009
I followed the solution e-mailed to me. My 50 in. phillips magnovox plasma had no sound or picture. I removed the back panel of the tv ( 55 screws) and removed the circuit board in the center of the tv. There are about 5 or 6 wire connections that you have to unplug, but they are all different in size so it's ot a problem when reconnecting. Take the circuit board to a tv repair shop. There are 2 capacitators side by side at the bottom center that were bulgeing. 3300ua 10 volt. I had them replaced by the repair shop while I waited. They had (1 ) 25 volt and (1) 16 volt available. The voltages do not have to match each other. The higher voltage is better. I put the tv back together and HURRAY!!! it works. I have been searching for a solution since last summer, Thanks to fixya.com my problem has been solved. It only cost me $35.00 total.
I thought the tv was going to the curb, thank god I didn't toss it. I hope this solutions works for the endless number of people who have posted this same prolem. GOOD LUCK!!!
Posted on Feb 12, 2009
You need to do some more diagnosing of the problem. If you get sound and change channels take a bright flashlight and place it again the screen. Look for an image around the edge of the flashlight.
If you see an image that means the LCD controller board (TCON) is probably good.
The problem is probably one of three causes;
1) Inverter board is bad
2) CCFT (cold cathode fluorescent light) are bad.
3) Power to the inverter board is bad. You can also check the connectors.
Posted on Mar 30, 2009
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