Read Sony XBR-43X830C / XBR-49X830C / XBR-49X835C / XBR-49X837C / XBR-49X839C Service Manual online
XBR-43X830C, 49X830C, 835C, 837C, 839C
118
TROUBLE SHOOTING
3-5-14. NO PICTURE: HDMI3
No Picture
Check other
HDMI input
Other Input is OK
All Inputs are
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
・
Check HPD line
・
Check DDC lines
・
Check TMDS lines
Replace
R5428
Only DDC lines
are NG
Only TMDS lines
are NG
All lines
are NG
Check the settings of
Source equipment
Target board & other TV set
both NG
Other TV
set OK
Is Distributor used ?
No
Yes
Connect Source
equipment directly
Reference TV Set OK
Replace
CN5203
Replace
JC5237, JC5238
RB5213, RB5214
NG
NG
Only +5V line
is NG
Spec:4.7~5.3V
+5V line is OK
and HPD line
is NG
Spec:2.4~5.3
V
Change B-Board.
Replace
IC1000
JC5227, JC5228, JC5235, JC5236
JC5241, JC5242, JC5243, JC5244
Replace IC5212
(HDMI EQ).
If you can do
component repair
If you can do
component repair
Change B-Board.
Change B-Board.
Replace IC5212
(HDMI EQ).
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