Question about Sony KDS55A2000 55" HDTV
After trying to power up for 15 seconds or so the red blinking Power LED, that I have read about several times on this site, kicks on. My red Power LED is blinking 9 times after trying to power up as opposed to 4, 5, or 6 times as I have read about on here. I have already put in a new lamp as that's what the certified technician told me to do when he came out. With the new lamp the set worked fine for about a week but now the problem has resurfaced.
After experiencing this problem this morning I completed a hard reset tand the set came back on for me. About an hour later the set shut off and the red LED blinked 9 times again an then the set successfully powered itself back up.
I am horribly frustrated with this nearly new $2,400 set. Unfortunately I made a bad decision and did not purchas the warranty from Best Buy. Any assistant will be very much appreciated.
Sounds like you have a system board issue. The fan only works when required, and something on the board, or perhaps the power supply board, is running too hot. That would explain the blinking red lamp, which indicates an 'unfavorable' operating condition. I'm assuming that with your extended warranty statement from BestBuy, you're saying that you are no longer covered by warranty? I thought that the warranty was at least a full year, no?
The resolution is to order one of two parts, the system board, or the power supply board. I just did one of those here on Hawaii, and the fellow was happy he had that service warranty. Maybe you can call them up, and extend it? Don't know their policies on that, actually. Sounds like you are not in 'hard failure' mode, yet, but you'll be there soon enough. When did the service tech come out last?
Posted on Feb 12, 2008
For the KDS55A2000, 9 blinks, pause, 9 blinks means "Device error" and the probable cause locations listed are as follows:
1. Temperature sensors
2. Bus decoder ICs (IC2000, 3150, 3200, 8804)
These are starting points for qualified service technicians. There is a service bulletin for this issue, but it is intended for use by qualified service technicians.
I found that it refers to a problem in the "zero crossing detector" circuit on the "G" board. I resourced the part from an electronics warehouse and found out that the "G" board has a known weakness and high failure rate The part cost me $73+$47 fedex shipping
The "G" board may be the only "plug n' play" board in the whole set
Posted on Feb 12, 2008
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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 A2 slightly.
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