Question about Sony KDSR50XBR1 50" Projection HDTV
The TV starts up fine. After 5 minutes, sound and picture disappear. Standby light blinks continuously for 1-2 minutes, then sound and picture/sound return. Standby light steady. Symptoms repeat randomly every 5-7 minutes.
Checked all the connections and performed a reset according to the manual - no help.
Set is 3 years old, no previous problems.
The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Posted on Sep 03, 2017
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Posted on Jan 02, 2017
This is what I found
You may want to have a Tv repair shop look at this .
Standby light flashes 10X
Symptoms / Customer Description
Standby light flashes 10X
[Primary Symptom Code: 2111 ]
G1 and G2 boards are ok.
Found Q box was causing loss of DTL MODULE 5v.
Replaced Q box to resolve.
Posted on Feb 10, 2009
If the green light starts flashing after losing pix and audio and then becomes solid and pix and sound return.I would suspect lamp.
Posted on Jul 14, 2009
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