Sony TRINITRON KV-AR21M50 Service Manual page 6

KV-AR21M50
RM-W101
2. DISPLAY OF STANDBY (1) INDICATOR FLASH
COUNT
Lamp ON 300ms
Lamp OFF 300ms
3. STOPPING THE STANDBY (1) INDICATOR FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY (1)
indicator from flashing.
4. SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as "power sometimes shuts off" or "screen sometimes goes off" that cannot be
confirmed, it is possible to bring up past occurrences of failure on the screen for confirmation.
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
Display / Channel 5 / Volume
The following screen will be displayed indicating the error count.
SELF DIAGNOSTIC
2 : 0
3 : N/A
4 : 0
5 : 1
8 : 0
101 : N/A
Lamp OFF 3 sec
/ Power
˘
Note that this differs from entering the service mode (volume [+]).
Numeral "0" means that no fault was detected.
Numeral "1" means the number of a fault occurrence (1 ~ 255).
Diagnostic Item
+B overcurrent
V-Protect
IK (AKB)
Power Supply NG (+5V)
for Video processor
* One flash count is not used for self-diagnosis.
STANDBY (1) indicator
/ TV
– 4 –
Flash Count*
2 times
4 times
5 times
8 times