Question about Hitachi 60SDX88B 60" Rear Projection Television
This problem occurred all at once when the television made a pop sound and all of a sudden went black. A smell of smoke followed which I actually noticed was a resistor #220 smoking away. This was on the board on the bottom right most. As resistors aren't usually prone to failure I would assume a capacitor has probably gone upstream. Does anybody know which component I should be looking at replacing? I have photos but Im not sure how to upload them here.
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Posted on Jan 02, 2017
SOURCE: convergence problem
That unit has a convergence repair kit that should fix most problems. Order it directly from Hitachi p/n# X480295. It contains: Rk42 3.3 Ohm 1w Rk46 1.8 Ohm 1w Rk50 3.3 Ohm 1w Rk54 1.8 Ohm 1w Rk58 3.9 Ohm 1w Rk62 2.2 Ohm 1w Ik04 Stk392-150 Ik05 Stk392-150 And I would strongly recommend testing all the resistors in that circuit for change in value. Are you using a good heat sink compound on the STK's when you installed them? That and ordering the japanese knock-offs for STK's are the two most common critical mistakes made. Originally that unit had two STK392-110's for conv. amps. Even Hitachi recommends subbing to a STK392-150 or 180 for greater reliability. You do realize that for the cost you have after two failed attempts you probably could have taken this to a reputable shop and watching the ball games now. :) (no disrespect intended) Good Luck! Bill
Posted on Jun 01, 2007
SOURCE: Hitachi 53uwx10b
Hitachi has created a repair kit part# X480293 for this problem. It includes: (2)STK392-150 convergence ic's,resistors RK42 = 3.3 ohms,RK46 = 1.8 ohms,RK50 = 2.7 ohms,RK54 = 1.5 ohms,RK58 = 3.9 ohms,RK62 = 2.2 ohms,all 1 watt resistors.
Posted on Aug 20, 2007
RK62 is a 2.2ohm 1 watt metal oxide resistor hitachi part number 0700054M any 2.2ohm 1 watt resistor will work although it does have to be metal oxide(flame resistant) for safety purposes.
Posted on Mar 24, 2008
You should have put the original OEM STK's in the set - if your set had 110's or 120s put those chips only. Do not risk different chips with different specs/amps/ etc....when you do resistors blow as you have discovered.
Posted on Mar 15, 2009
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