Sony A1E Series Service Manual page 39

FLOW
4-4. NO PICTURE (HDMI)
HDMI2
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-55/65A1E
Other Input is OK
Other TV set
OK
Replace
IC1000
YES
Connect Source
equipment directly
Reference TV Set
OK
Change BKA board
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
R3619
R3647
NG
Replace IC1000
TROUBLE SHOOTING
All lines
are NG
Replace
CN3600
NG
TMDS lines
only NG
DDC lines
only NG
Replace
RB3613,RB3614,
RB3605,RB3606
Replace NG
RB3604,R3658,R3659
NG
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