Sony KD-55A8F - 4.5 NO PICTURE: HDMI 4

NG
No Picture
Check other
HDMI input
Other Input is OK
All Inputs NG
Check Picture by other TV set
which is same model
Reference TV set
NG
Check Source equipment
by Reference TV set
(For example, RB1)
Check the below point at
Connector side
・Check +5V line CL3645
・Check HPD line CL3628
・Check DDC lines CL3614/CL3615
・Check TMDS lines
Replace R3645
DDC lines NG
TMDS lines NG
All lines NG
Check the settings of
Source equipment,cable
Target board & other TV
set both NG
Other TV set
OK
Is using HDMI splitter ?
NO
YES
Connect Source
equipment directly
Reference TV Set
OK
Replace
RB3602,R3662,R3663
Replace
CN3602
Replace
RB3617,RB3618,
RB3609,RB3610
NG
NG
IC1000 NG
+5V line NG
Spec:4.7~5.3V
+5V line OK
and HPD line NG
Spec:2.4~5.3V
Change B-Board.
And inform the designer of it
IC1000 NG
And inform the designer of it
Replace
R3626,R3633,R3638,
R3642,Q3601
NG
Check HDMIcable
OK
NG
Change HDMIcable
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4.5 NO PICTURE: HDMI 4
SYSSET
2018/03/1622:32:44(GMT+09:00)