Hdmi Arc Failure - Sony KDL-32W6 E Series Service Manual

3h.2 Troubleshooting Detail Audio Problem
3h.2.6.1 HDMI ARC Failure
HDMI ARC
Failure
Confirm Source (Player)
ARC Condition/Capability
[OK] Source Support ARC &
ARC Source function Normally
Bravia Sync (CEC)
TV setting
[OK] CEC Setting On
Factory Reset &
Change Proven OK
HDMI cable
[NG] ARC not functioning
Physical
appearance Check On
HDMI connector
[OK] Connector no abnormality
Check impedance
Of R4018 Resistor
during AC OFF
[OK] R4018 ≈ 180Ω ±5%
[NG] Source Not Support ARC /
ARC Source not function Normally
[NG] CEC not functioning
[NG] CEC setting Off
[OK] ARC functioning
[NG] Connector abnormal
[NG] ARC not functioning
[NG] R4018 ≠ 180Ω
[NG] ARC not functioning
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
[OK] ARC functioning
Change to CEC
Compatible source
Turn TV Bravia Sync
"On"
[OK] ARC functioning
HDMI Connector Broken.
Replace & Re-verify
[OK] ARC functioning
Resistor Broken.
Replace & Re-verify
Replace B-Board
And Re-verify
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