3f.7.5 I2C Failure Analysis – General Checking
3f.7.5 I2C Failure Analysis
I2C
Failure Analysis
END
Replace Broken
Resistor and Re-verify
[OK] Picture recovered
Check impedance of
Resistor during AC OFF
HDMI1: RB4004
HDMI2: RB4005
Check I2C GPIO Line
impedance to Ground
during AC OFF
HDMI1: CN4001 – Pin15&16
HDMI2: CN4000 – Pin15&16
Replace B-Board
and Re-Verify
[NG] Impedance ≠
105kΩ
[OK] Impedance
≈ 105kΩ ±5%
Internal Main IC (SoC)
Broken (IC5000)
Go to
“TMDS Failure Analysis
“
Page
[OK] Impedance
≈ 47kΩ
[NG] No Picture
[NG] Impedance
≠ 47kΩ
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
67
Summary of Contents for KDL-49W6 E Series
Page 2: ...LCD TV SERVICE MANUAL COMMON GN3UN CHASSIS Segment KM ...
Page 8: ...1 8 Handling the FLEXIBLE FLAT CABLE FFC continue 8 ...
Page 9: ...1 8 Handling the FLEXIBLE FLAT CABLE FFC continue 9 ...
Page 10: ...10 1 8 Handling the FLEXIBLE FLAT CABLE FFC continue ...
Page 12: ...12 1 9 Solder less tuner replacement procedure Cont ...
Page 13: ...13 1 9 Solder less tuner replacement procedure Cont ...
Page 29: ...29 BLM layout 12V_PANEL line PANEL_PWR Q6001 Only present in EU regions ...
Page 33: ...3e 1 6x Blinking Backlight Error LK1 LK2 Board Troubleshooting Guide 33 ...
Page 73: ...3f 8 WIFI Cannot search device Connection Failed Checking Point 3f 8 WIFI 73 ...
Page 74: ...3f 8 WIFI Cannot search device Connection Failed Checking Point 3f 8 WIFI 74 ...
Page 94: ...5V DDC STBY_5V C6041 19 5V_O F6001 EN R6040 IC6001 3g 3 2 IC6001 5V DDC Checking Procedure 94 ...
Page 141: ...141 12 Aging Mode 1 Press button to turn on Aging Mode 2 Press button to turn off Aging Mode ...
Page 163: ...9 888 723 02 Sony EMCS Malaysia Sdn Bhd RDCM English 2017 02 163 ...