Hdmi – No Picture – General Checking - Sony KD-43XE7 Series Service Manual

3.7.1 HDMI – No picture – General Checking
HDMI No Picture
Verify with laptop/
Computer
[NG] No picture
Verify with other
HDMI player /cable
[NG] No picture
Factory reset
HDMI source & re-verify
[NG] No picture
Physical appearance check
On HDMI connector
[OK] Appearance OK
Check voltage of +5V Power
HDMI1: CN4001 – Pin 18
HDMI2: CN4002 – Pin 18
HDMI3: CN4000 – Pin 18
[OK] V5V = 4.8 ~ 5.3V
Check voltage of HPD
HDMI1: CN4001 – Pin 19
HDMI2: CN4002 – Pin 19
HDMI3: CN4000 – Pin 19
[OK] VHPD = 2.4 ~ 5.3V
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[OK] Picture recovered
"HDCP Failure Analysis"
[OK] Picture recovered
[OK] Picture recovered
setting problem
[NG] Connector abnormal HDMI Connector Broken.
Replace & Re-verify
[NG] No picture
[NG] V5V ≠ 4.8 ~ 5.3V
"+5V Power Failure Analysis"
[NG] VHPD ≠ 2.4 ~ 5.3V
"HPD Power Failure Analysis"
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
Go to
Page
HDMI player/
cable problem
TV
[OK] Picture recovered
Go to
Page
Go to
Page
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