Sony KP-46WT500 Service Manual page 8

Display of Standby/Timer LED Flash Count
< FRONT PANEL >
TIMER/STAND BY indicator
Release of TIMER STAND BY indicator blinking
The TIMER/STANDBY indicator blinking display is released by turning OFF the power switch on the TV main unit or removing the plug from the power.
Self-Diagnosis Screen Displays
In cases of malfunctions where it is not possible to determine the symptom such as when the power goes off occasionally or when the screen
disappears occasionally, there is a screen display on whether the malfunction occurred or not in the past (and whether the detection circuit operated or
not) in order to allow confirmation.
Screen Display Method
Quickly press the remote command button in the following order from the standby state.
Display Channel 5
SELF DIAGNOSIS
2 : +B OCP N/A
3 : +B OVP N/A
4 : V STOP 0
5 : AKB 1
10 : WDT 24
Self-Diagnosis Screen Display
The results display is not automatically cleared. In case of repairs and after repairs, check the self-diagnosis screen and be sure to return the results
display to " 0 ".
If the results display is not returned to " 0 " it will not be possible to judge a new malfunction after completing repairs.
Method of Clearing Results Display
1. Power off (Set to the standby mode.)
2. Display Channel 5
3. Channel 8 ENTER (Test reset = Factory preset condition)
Method of Ending Self Diagnosis Screen
When ending the self-diagnosis screen completely, turn the power switch OFF on the remote commander or the main unit.
* One blink is not used for self-diagnosis.
• EXAMPLE
<Diagnosis Items> <Number of Blinks>
• +B overcurrent
• +B overvoltage
• Vertical deflection stop
_
Sound Volume*
*Note that this differs from entering the service mode (sound volume + )
Numeral "0" means that no fault
was detected.
Numeral "1" means a fault was detected
one time or more
Sound Volume +
2 times
3 times
4 times
Lamp ON : 0.3 seconds
Lamp OFF : 0.3 seconds
Power ON
Power ON (Service Mode)
— 8 —
Lamp OFF :
3.0 seconds
KP-46WT500