Sony KD-49X7 D Series Service Manual page 126

4.5 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
Other Input is OK
Other TV set
OK
Replace
IC1000
Connect Source
YES equipment directly
Change B-Board.
And inform the designer of it
Reference TV Set OK
TV Business Division
Check the below point at
Connector side
・Check +5V line
・Check HPD line
・Check DDC lines
・Check TMDS lines
+5V line is OK
Only +5V line
and HPD line
is NG
is NG
Spec:4.7~5.3V
Spec:2.4~5.3V
Replace
R3646
Replace IC1000 (SOC).
And inform the designer of it
126
All lines
are NG
Replace
CN3603
Only TMDS lines
are NG
Replace
Only DDC lines
RB3619,RB3620,
are NG
RB3611,RB3612
Replace
RB3603,R3664,R3665
NG NG
NG
126