Sony KD-43X7 G Series Service Manual page 64

2.6.14 HDMI No Picture
2.6.14.2 +5V Power Failure Analysis – HDMI2
[OK] Impedance ≈ 22 Ω
[NG] Impedance ≠ Open (High Z)
[OK] Picture recovered
+5V Power
Failure Analysis
[NG] Impedance ≠ 22 Ω
Check impedance of
Resistor during AC OFF
HDMI2: R4044
[OK] Impedance ≈ Open (High Z)
Check impedance of
Varistor during AC OFF
HDMI2: VR4011
Replace Broken Varistor
and Re-verify
END
Checking condition:
- TV ON & HDMI Source ON except if the flow mentioned is AC
OFF.
- TV HDMI input connected to HDMI source (Player etc.)
- TV Input Selection: HDMI
Replace Broken Resistor
and Re-verify
[NG] No picture
[NG] No picture
[OK] Picture recovered
Go to
"HPD Power Failure Analysis"
Page
64
SYS SET