Sony XBR-55X805C Service Manual page 118

3-5-12. NO PICTURE: HDMI1
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-55/65X800C,805C,807C,809C,810C
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
If you can do
Check the below point at
component repair
Connector side
・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
Replace
component repair
R5515
Replace IC5212
(HDMI EQ).
JC5227, JC5228, JC5235, JC5236
JC5241, JC5242, JC5243, JC5244
TROUBLE SHOOTING
All lines
are NG
Replace
CN5202
Only TMDS
+5V line is OK
lines
and HPD line
are NG
is NG
Spec:2.4~5.3
V
Replace
JC5216, JC5217
RB5209, RB5210
Only DDC
lines
are NG
Replace IC5212
(HDMI EQ).
Replace
IC1000
NG
NG
118