Sony KDL-55HX950 / KDL-65HX950 Service Manual ▷ View online
KDL-55/65HX950(CH)
81
TROUBLE SHOOTING
3-2. FLOW CHART
START
Does the Power Led
stay on when the
TV is switched on ?
Is the Standby Led
blinking ?
Is the Picture and
Sound OK ?
END
See
No Power
No Power
See
Standby LED Blink
Standby LED Blink
See
No Picture / No Sound
No Picture / No Sound
Is the network
connection OK?
See
Network malfunction
Network malfunction
No
Yes
Yes
No
No
Yes
See
3D malfunction
3D malfunction
No
Yes
Is the 3D
function OK?
Do the buttons
on the TV & Remote
Commander work
properly?
See
TV/ Commander
button malfunction
TV/ Commander
button malfunction
No
No
Yes
No
Yes
Is the Power Led
blinking ?
See
Power (Green) LED
Blinking
Power (Green) LED
Blinking
Yes
No
KDL-55/65HX950(CH)
82
TROUBLE SHOOTING
3-3. NO POWER
No power
Check STBY_+3.3V
at 10 pin of CN6001
on the BAPS board
Harness
G* board
Replace the harness
between G* board and
BAPS board
BAPS board
NG
OK
NG
Symptom
improvement
improvement
Long AC off
(> 15 min.).
Power protection or
CPU abnormal stop
NG
OK
KDL-55/65HX950(CH)
83
1) 2 times blinking (Main Power Error)
TROUBLE SHOOTING
3-4. STANDBY LED BLINK
2 times blinking
Check REG+12V at
pins 3/5 of
CN6001 on
the BAPS Board
BAPS Board
Harness
G* Board
Replace
Between G* Board to
BAPS Board Harness
12V NG
12V OK
NG
Symptom
improvement
improvement
KDL-55/65HX950(CH)
84
TROUBLE SHOOTING
2) 3 times blinking (Main Board Error)
3 times blinking
Check D+1.2V at
JL6002
on the BAPS Board
F6001,IC6001,etc
(BAPS Board)
Speaker
Check +3.3V_MAIN
at JL6005 on
the BAPS Board
Check
Speaker Impedance
at SP Connector
F6003,IC6003,etc
(BAPS Board)
Check AUDIO+12.5V
at pin 2/4 of
CN6001 on
CN6001 on
the BAPS Board
G* Board
Check +12.5V
at F4601/4701 on
the BAPS Board
F4601/4701,IC4601/4701,etc
(BAPS Board)
Other BAPS Board’s parts
(Audio, Tuner, HDMI Eq...)
DC_ALERT
NG
OK
AUDIO
AUDIO
FE/BE Communication
NG
OK
NG
OK
NG
OK
NG
OK
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