Read Sony KV-20FS12 Service Manual online
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KV-20FS12/20FV12/21FE12/A/C/21FM12/21FV12/C
Display of Standby/Timer LED Flash Count
2 times
4 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
LED OFF
3 sec.
Diagnostic Item
Flash Count*
+B overcurrent
2 times
Vertical deflection stopped
4 times
White balance failure
5 times
*One flash count is not used for self-diagnostic.
Stopping the Standby/Timer LED Flash
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER LAMP from flashing.
Self-Diagnostic Screen Display
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible
to bring up past occurrences of failure on the screen for confirmation.
to bring up past occurrences of failure on the screen for confirmation.
To Bring Up Screen Test
In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below:
Display
Channel 5
Sound volume
Note that this differs from entering the service mode (sound volume
).
Power ON
+
Self-Diagnostic Screen Display
SELF DIAGNOSTIC
2:
0
3:
N/A
0
4:
0
5:
1
101:
N/A
0
Numeral “0” means that no fault was detected.
Numeral “1” means a fault was detected one time only.
STANDBY/TIMER LED
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