(Supplementary
information)
TV Business Division
66
3.12 HDMI No Picture
3.12.3 HPD Failure Analysis
–
HDMI2
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
HPD
Failure Analysis
END
Replace Broken
Resistor and Re-verify
[OK] Picture recovered
Check impedance of
Resistor during AC OFF
HDMI2: R4043
[NG] Resistance
≠4.7 Ω
[OK] Resistance
≈ 4.7 Ω
Check HPD GPIO Line
impedance to Ground
during AC OFF
HDMI2: R4043*
Replace B-Board
and Re-Verify
Internal Main IC (SoC)
Broken (IC5000)
Go to
“I2C Failure Analysis
“
Page
[NG] No Picture
*Please refer page 67 for actual measuring points
[OK] Impedance ≈ Open (High Z)
[NG] Impedance not Open (High Z)
SYS SET
2018/05/04 04:12:02 (GMT+09:00)
Summary of Contents for KD-43X7 F Series
Page 2: ...SERVICE MANUAL COMMON LCD TV GN4UN CHASSIS Segment CHL SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 10: ...1 8 FFC Handling Caution 10 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 11: ...11 1 9 Solder less Tuner Replacement SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 31: ...31 3 6 6x Blinking backlight error SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 139: ...CHL Block Diagram 4K BB8 BB9 PWB for EU 139 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...