KP-48V85, KP-53V85, KP-61V85 — Sony TV Service Manual (repair manual). Page 4

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KP-48V85/53V85/61V85
RM-Y905
RM-Y905 RM-Y905
SELF DIAGNOSIS FUNCTION
* : 000 the range of values for number of operations is 000-255.  For 256 or higher there is
no count up and the number remains at 255.
3.
Blinking count display of TIMER/STANDBY indicator
< FRONT PANEL >
TIMER/STANDBY indicator
Lamp OFF : 
3.0 seconds
Lamp ON : 0.3 seconds
Lamp OFF : 0.3 seconds
Release of TIMER/STANDBY 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.
* One blink is not used for self-diagnosis.
•EXAMPLE
<Diagnosis Items>  <Number of Blinks>
• +B overcurrent  
2 times
• +B overvoltage
3 times
• Vertical deflection stop
4 times
TV/VIDEO
FLASH FOCUS
VOLUME
POWER
TIMER/STAND BY
+
CHANNEL
+
1.
Summary of Self-Diagnosis Function
This device includes a self-diagnosis function.
In case of abnormalities, the TIMER/STANDBY indicator automatically blinks.  It is possible to predict the abnormality location
by the number of blinks.  The Instruction Manual describes blinking of the TIMER/STANDBY indicator.
If the symptom is not reproduced sometimes in case of a malfunction, there is recording of whether a malfunction was generated
or not.  Operate the remote command to confirm the matter on the screen and to predict the location of the abnormality.
2.
Diagnosis Items and Prediction of Malfunction Location
When a malfunction occurs the TIMER/STANDBY indicator only blinks for one of the following diagnosis items.  In case of two
or more malfunctions, the item which first occurred blinks.  If the malfunctions occurred simultaneously, the item with the lower
blink count blinks first.
The screen display displays the results regarding all the diagnosis items listed below.  The display “ 0 ” means that no malfunc-
tions occurred.
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