Sony XBR-75X945C, Service Manual

Page: 141 / 209

XBR-65X930C, 75X940C, 945C
141
TROUBLE SHOOTING
3-3-4. 3 Times Blinking (HDMI EQ Error)
3-time blinking
IC5212
BMFL/BMFW board
Check
VS GND impedance
of +1.0V_HDMI
at HDMI EQ side
(ex.C5335)
NG
Check
VS GND impedance
of EQ_+3.3V_MAIN
at HDMI EQ side
(ex.C5317)
NG
OK
OK
IC5212
Check
VS GND impedance
of +5V_BOSTON
at HDMI EQ side
(ex.C5351)
NG
IC5212
OK
Check
Voltage
of +1.0V_HDMI,
EQ_+3.3V_MAIN,
+5V_BOSTON
at HDMI EQ side
(ex.C5335, C5317,
and C5351, )
NG
Power,
DDCON
OK
Check
Frequency of
X’tal
(X5202)
27MHz?
NG
X’tal or
around parts.
X5202,
R5478(100ohm),
R5368(1Mohm)
C5298(10pF)
C5297(12pF)
OK
Check
I2C_C bus signal.
at CL5259 and
CL5261.
NG
IC5212
Or IC1000
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.
For those models with the SW before
PKG2073, This 3 times blinking function for
HDMI EQ error has been enabled except
for the sets with the SW updated by OTA.