KLV-40Z550A, KLV-46Z550A, KLV-52Z550A - Sony TV Service Manual (repair manual). Page 7

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KLV-40, 46, 52 Z550A
RM-GA017
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.
Example:
The figure above shows LED display when
SHUTDOWN is caused by Main Power Error. 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
Y
 
Red: One LED
 
Red lights during standby.
  Green/Amber
  : Two LEDs
   Green lights during Picture 
   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.
Standby LED
Microcomputer is
2-2. LED Display Specification
2-3. LED Display Control
AUS/HK
  POWER
INDICATOR
CHANNEL 
VOLUME 
TEXT HOLD
 
INPUT SELECT
HOME
ENERGY SAVING SWITCH 
Picture Off/Timer
Standby Power
Light Sensor/
Remote Control
Sensor 
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