From reading the Forums I believe my Convergence board needs to be swapped. I don't think the RCA D52W26 has IC's to change out the STK's, Wouldn't I need to replace the Board? Can the D52W20 Covergence Board be used to do this?
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Look in the on screen menu for convergence and if it is not there you have a open ( bad ) protection part on the main board, a kit exists for most of these sets for this===buttons alone will not likely help here.
the convergence menu missing is a result of this and the part in question is often bad because of bad solder connections.
You cannot replace it yourself sir because there are a lot of adjustments(electronically not mechanical) and you need an equipment to transfer the data from the old EEPROM to the new one. If the convergence is fine then the fuse should be ok..Picture is blurry??? 1. could be a dusty CRT lens, you can clean those 3 lenses by taking off the front speaker grill then there's a small hole that you can see the lenses... or the mirror needs to be cleaned also. 2. maybe it needs a convergence alignment, pls check your owner's manual if available. thanks:)
If this is a ctc 195 chassis then your likely problem is the convergence power supply that is mounted above the main board and the dynamic convergence board. On the board is an IC (usually) that can be changed: STK 730-010 I believe is the correct number...you can check the number, If it has a single transistor on the metal heat sink, I would suggest changing the whole board. Has only two plugs: one on each end of the board.