Sony BRAVIA KDL-55W900A, Service Manual

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RB1G
CHASSIS
W900A/904A/905A
Troubleshooting
3-5. No Picture
3-5-11. NO PICTURE: HDMI
For example, Only
HDMI 1 is NG
No Picture
Check other
Other Input is OK
Check the below point at
IC5009 side
・
Check +5V line
All lines
are NG
Replace
HDMI input
All Inputs
are NG
Check Picture by other TV set
・
Check HPD line
・
Check DDC lines
・
Check TMDS lines
Only +5V line
is NG
+5V line is OK
CN5002
Other TV set
OK
Check IC5009 All power
Check Picture by other TV set
which is same model
is NG
Replace
R5105
and HPD line
is NG
Only TMDS lines
are NG
Is Distributor used ?
Supply pin
(Refer to next page)
Replace
IC5009
Only DDC lines
are NG
Replace
Replace
Is Distributor used ?
NO
YES
Connect Source
equipment directly
Check Source equipment
by Reference TV set
(For example, AZ1)
IC5009
Replace
RB5016
RB5005 and RB5006
Reference TV Set OK
Reference TV set
NG
Inform the designer
of it
Check the settings of
Size B* Board Type G* Board
Type
OTHERS JP
40” BA2-S BA2-W G1A
173
Check the settings of
Source equipment
Note:
(AYU2) – IC9000
(Brownie)- IC9001
46” BA2-S BA2-W G1A
55” BA2-S BA2-W G1B