No Picture: Hdmi3 - Sony XBR-55X850C Service Manual

3-5-14. NO PICTURE: HDMI3

No Picture
Check other
HDMI input
All Inputs are
NG
Check Picture by other TV set
which is same model
Target board & other TV set
both NG
Is Distributor used ?
No
Check Source equipment
by Reference TV set
(For example, RB1)
Reference TV
set
NG
Check the settings of
Source equipment
XBR-55/65X850C, 855C, 857C, 75X850C, 855C
Other Input is OK
Change B-Board.
Change B-Board.
Other TV
set OK
Connect Source
equipment directly
Yes
Change B-Board.
Reference TV Set OK
Check the below point at
If you can do
Connector side
component repair
・Check +5V line
・Check HPD line
・Check DDC lines
・Check TMDS lines
Only +5V line
is NG
Spec:4.7~5.3V
If you can do
component repair
Replace
R5428
Replace IC5212
(HDMI EQ).
JC5227, JC5228, JC5235, JC5236
JC5241, JC5242, JC5243, JC5244
TROUBLE SHOOTING
All lines
are NG
+5V line is OK
Only TMDS lines
and HPD line
are NG
is NG
Spec:2.4~5.3
Replace
V
JC5237, JC5238
RB5213, RB5214
Only DDC lines
are NG
Replace IC5212
(HDMI EQ).
Replace
IC1000
Replace
CN5203
NG
NG
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