Sony XBR-55X900C Service Manual page 134

3-3-4. 3 Times Blinking (HDMI EQ Error)
BMFL/BMFW board
3-time blinking
Check
VS GND impedance NG
of +1.0V_HDMI
at HDMI EQ side
(ex.C5335)
OK
Check
NG
VS GND impedance
of EQ_+3.3V_MAIN
at HDMI EQ side
(ex.C5317)
OK
Check
NG
VS GND impedance
of +5V_BOSTON
at HDMI EQ side
(ex.C5351)
OK
XBR-55/65X900C, 905C, 907C
Check
I2C_C bus signal.
at CL5259 and
CL5261.
OK
IC5212
Check
Voltage
of +1.0V_HDMI,
EQ_+3.3V_MAIN,
+5V_BOSTON
at HDMI EQ side
(ex.C5335, C5317,
IC5212
and C5351, )
OK
Check
Frequency of X'tal
(X5202)
27MHz?
IC5212
OK
IC1000
This 3 times blinking function for HDMI EQ
error has been disabled for the SW later
than PKG2173.
So, for the above applicable models, you
can Ignore this flow.
NG
IC5212
For those models with the SW before
Or IC1000
PKG2073.
This 3 times blinking function for HDMI
EQ error has been enabled except for the
sets with the SW updated by OTA.
NG
Power,
DDCON
X'tal or
around parts.
X5202,
NG
R5478(100ohm),
R5368(1Mohm)
C5298(10pF)
C5297(12pF)
TROUBLE SHOOTING
134