KP-48V85, KP-53V85, KP-61V85 — Sony TV Service Manual (repair manual). Page 5

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KP-48V85/53V85/61V85
RM-Y905
RM-Y905 RM-Y905
4.
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.
Self Check
2 : +B   OCP      000
    2 : +B  OCP
000
    3 : +B  OVP
000
    4 : V Stop
000
    5 : AKB
000
    6 : H Stop
000
    7 : HV
000
    8 : Audio
000
101 : WDT
000
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.
Diagnosis
Results
÷
Self-diagnosis screen display
5.
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>
<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.
   ˘
   Be aware that this differs from the method of 
   entering the service mode (volume   +   ).
DISPLAY   b   Channel    5   b   VOL    –    b   POWER
1. Power off (Set to the standby mode)
2. DISPLAY   b   Channel    5    b   VOL    +    b    POWER    (Service Mode)  
3. Channel    8   b   ENTER   (Test reset = Factory preset condition)
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