Read Sony KLV-40S550A Service Manual online
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KLV-40S550A
RM-GA015
SECTION 2
SELF DIAGNOSTIC FUNCTION
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.
When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.
Example:
The figure above shows LED display when
SHUTDOWN is caused by DC_ALERT. It repeats
flashing for a specified number of times in 0.3sec/
cycle and has a 2 seconds interval of lighting off.
Please note that a 2 seconds interval of lighting off
is fixed regardless of abnormal state types.
SHUTDOWN is caused by DC_ALERT. It repeats
flashing for a specified number of times in 0.3sec/
cycle and has a 2 seconds interval of lighting off.
Please note that a 2 seconds interval of lighting off
is fixed regardless of abnormal state types.
2.0 sec
2.0 sec
0.3 sec
0.3 sec
2-1. Overview of Control Buttons
LED Typ e
Description
Remark
Status
Display
Power LED
Remark
POWER
Green: LED
Green lights at power ON.
STANDB
Picture Off/
Timer
Timer
Y
Red: One LED
Red lights during standby.
Green/Amber
: Two LEDs
: Two LEDs
Green lights during Picture
OFF and amber lights
during Timer activation.
OFF and amber lights
during Timer activation.
POWER ON
Green lights
OFF
in a normal state.
STANDBY
OF
OFF
F
Red lights
Red flashes
Microcomputer is
in a sleep state.
Failure
Classify the trouble
causes by the no.
of red blinking.
causes by the no.
of red blinking.
Standby LED
Microcomputer is
2-2. LED Display Specification
2-3. LED Display Control
Standby
Light Sensor/
Remote Control
sensor
Remote Control
sensor
Picture Off/
Timer
Timer
Power
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