Sony XE93 Series Service Manual page 45

FLOW
4-5. NO PICTURE (HDMI)
HDMI1
No Picture
Other Input is OK
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
SERSOASIS4 - 7/26/2018 10:14 AM
Is Distributor used ?
NO
Check Source equipment
by Reference TV set
(For example, RB1)
Reference TV set
NG
Check the settings of
Source equipment
KD-55/65XE9305, 75XE9405
Other TV set
OK
Replace
IC1000
YES
Connect Source
equipment directly
Reference TV Set
OK
Change B* board.
And inform the designer of it
Check the below point at
Connector side
- Check +5V line
- Check HPD line
- Check DDC lines
- Check TMDS lines
+5V line is OK
+5V line only NG
and HPD line is NG
Spec:4.7~5.3V
Spec:2.4~5.3V
Replace
Replace
R3627,R3634,R3639,
R3646
R3643,Q3602
NG
Replace IC1000.
And inform the designer of it
TROUBLE SHOOTING
All lines
are NG
Replace
CN3603
NG
TMDS lines
only NG
DDC lines
only NG
Replace
RB3619,RB3620,
RB3611,RB3612
NG
Replace
RB3603,R3664,R3665
NG
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