Sony KF-50XBR800 Service Manual page 10

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.
DISPLAY Channel 5
b
Self-Diagnosis screen display
MAI
Self Diagnosis
6:Low B
9:AUDIO
101:WDT
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>
. 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)
<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.
VOL Ð POWER
b b
J
Be aware that this differs from the method of
entering the service mode (volume + ).
0
1
Move the ioystick
0
/
B b
LCD E GI E
SELF DIAGNOSIS
1:LAMP 1
3:LAMP COVER 0
4:FAN 0
5:LAMP DRIVER 0
201:WDT-ENGINE 0
– 9 –
KF-50XBR800/60XBR800
K
RM-Y912
umeral Ò1Ó means a fault was
detected one time or more.
umeral Ò0Ó means that no fault
was detected.
RM-Y912