2)
3 times blinking (Main Board Error)
3-time blinking
~
Check PWM_5V at L202 pin-2
on Main board
(4.75~5.25V)
OK
~
Check SYS_3.3V at U204_Pin-6
on Main Board (3.135~3.465V)
OK
Check the harness M/B to
Speaker connection
NG
Fix the harness
connection
KDL-42/47R500A(CH)
DC_ALERT
NG
U202, L202, etc Change Main board
NG
U204, etc Change Main board
OK
Check the speaker Impedance
at the SP Connector
(8ohm+/-15%)
OK
AUDIO
NG
Change Speaker
Demo, Audio, Tuner, etc
( TROUBLE SHOOTING )
Change Main board
31