The service manual, shows that a [link|https://www.manualslib.com/manual/2107908/Sony-Kd-55a9f.html?page=11#manual|4 blink error code] may be a tcon board problem.
(On p.3 it shows that this manual is also for your model TV)
=== Update (10/15/2022) ===
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Hi @dave2849
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@geirandersen
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The way to check if the manual is applicable to your TV is to see if the chassis number (GN4UR CHASSIS) matches.
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The way to check if the manual is applicable to this TV is to see if the chassis number (GN4UR CHASSIS) matches.
-
-
There's also a few flowcharts in the manual that show what to check for a 4 blink error on p.34 & p.36
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There's also a few flowcharts in the manual that show what to check, for a 4 blink error on p.34 & p.36
The service manual, shows that a [link|https://www.manualslib.com/manual/2107908/Sony-Kd-55a9f.html?page=11#manual|4 blink error code] may be a tcon board problem.
(On p.3 it shows that this manual is also for your model TV)
+
+
=== Update (10/15/2022) ===
+
+
@geirandersen
+
+
The way to check if the manual is applicable to this TV is to see if the chassis number (GN4UR CHASSIS) matches.
+
+
There's also a few flowcharts in the manual that show what to check for a 4 blink error on p.34 & p.36
According to the service manual, a [https://www.manualslib.com/manual/2107908/Sony-Kd-55a9f.html?page=11#manual|4 blink error code] is a tcon board problem.
+
The service manual, shows that a [link|https://www.manualslib.com/manual/2107908/Sony-Kd-55a9f.html?page=11#manual|4 blink error code] may be a tcon board problem.
(On p.3 it shows that this manual is also for your model TV)
Hi @dave2849
According to the service manual, a [https://www.manualslib.com/manual/2107908/Sony-Kd-55a9f.html?page=11#manual|4 blink error code] is a tcon board problem.
(On p.3 it shows that this manual is also for your model TV)