Read Sony KP-51HW40 / KP-57HW40 Service Manual online
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KP-51HW40/57HW40
RM-Y909
RM-Y909
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.
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
SELF DIAGNOSIS
2 : +B OCP
N/A
3 : +B OVP
N/A
4 : V STOP
0
5 : AKB
1
10 : WDT
24
Numeral “0” means that no fault
was detected.
was detected.
Numeral “1” means a fault was detected
one time or more
one time or more
Self-diagnosis screen display
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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