Sony KF-WE50A1 Service Manual page 6

KF-WE42A1/WE50A1/WS60A1
RM-1022 RM-1022
3. Blinking Sequence of POWER/STANDBY LED
4. Self-diagnosis screen display
• For the failure which is hard to reproduce, or accompany occasional power off and/or picture mute, the Self-diagnosis screen
display is useful to specify the cause.
<To show the screen display>
• Press the keys of the remote commander in rapid sequence as follows, when the set is in standby mode.
t
DISPLAY
SELF DIagnosis
MAIN
6 : LOWB
9 : AUDIO
101: WDT
- Numeral "1" means a fault was detected one time or more.
- Numeral "0" means that no fault was detected.
RM-1022
t
Channel 5 Vol -
J
Please note that this differs from
that of entering the service mode (Vol +).
MA I N
0
1
0
LCD engine
• One time blink is not used for self-diagnosis.
• Example
Diagnosis Times of LED blink
Lamp cover 3 times
Fan 4 times
Lamp ON : 0.3 sec
Lamp OFF : 0.3 sec
• Release of POWER/STANDBY LED blinking
The Self-Diagnosis function is released by unplugging the AC
cord temporarily.
t
POWER
MENU operation keys
– 6 –
Lamp OFF :
3.0 sec
LCD ENGINE
SELF DIagnosis
LCD engine
1 : LAMP 0
3 : LAMP COVER 0
4 : FAN 0
5 : LAMP DRIVER 0
201: WDT-ENGINE 0
MAIN