Sony XBR-55X930D Service Manual page 48

FLOW
4-5. NO PICTURE (HDMI)
(2) HDMI2
No Picture
Check other
HDMI input
All Inputs are NG
Check voltage
a Pin104 of IC5212
Voltage OK
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-55/65X930D, 65X935D/937D, 75X940D
Other Input is OK
Voltage NG
Spec:2.7~3.6V
Replace
IC5212(HDMI EQ)
Replace
Other TV set OK
IC1000
RB5227,RB5228,RB5243,RB5244
RB5235,RB5236,RB5241,RB5242
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
Only +5V line +5V line is OK
is NG and HPD line
Spec:4.7~5.3V is NG
Spec:2.4~5.3V
Replace
Only DDC lines
R5517
are NG
Replace IC5212
Replace IC5212 (HDMI EQ)
And inform the designer of it
TROUBLE SHOOTING
All lines are NG
Replace
CN5202
NG
Only TMDS lines
are NG
Replace
RB5229,RB5230
RB5211,RB5212
NG
(HDMI EQ)
48