Sony KD-84X9000 Service Manual page 82

2) 3 times blinking (Main Board Error)
3 times blinking
Check D+1.2V at
JL6002
on the BAPS Board
OK
Check +3.3V_MAIN
at JL6005 on
the BAPS Board
OK
Check +5.0V_MAIN
at JL6004 on
BAPS board
OK
Check
Speaker Impedance
at SP Connector
OK
XBR/KD-84X9000 Series(WW)
DC_ALERT
NG
F6001,IC6001,etc
(BAPS Board)
NG
F6003,IC6003,etc
(BAPS Board)
F6002,IC6002,etc
(BAPS Board)
AUDIO
NG
Speaker
Check AUDIO+12.5V
NG
at pin 2/4 of
CN6001 on
the BAPS Board
OK
NG
Check +12.5V
at F4601/4701 on
the BAPS Board
OK
FE/BE Communication
Other BAPS Board's parts
(Audio, Tuner, HDMI Eq...)
TROUBLE SHOOTING
AUDIO
G* Board
F4601,IC4601,etc
(BAPS Board)
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