Pioneer PDP-4214HD

Check the condition of Conection of the HDMI input Connector
Check the condition of Soldering state in HDMI input part.
Check for short circuits between each power terminal and the ground.
2. No HDMI Signal
Preliminary Checkpoints
#108,109,111,112,
114,115,117,118
DC level At U401
In digital Board
#37,38
at U401
in digital B/D
No HDMI
signal
EDID data
at U4
In digi tal Board
No sound
in HDMI mode
Check the signal
at JP4(HDMI Connector)
Change Digital B/D
Waveform 7
Waveform 8
Check the state of soldering
at U401,U800,U29
Check input signal part of
U401
Check HDMI_PWR
&5VSTB
Check the EDID data
&Audio output at U401
Change JP4
NG
NG
NG
NG
NG
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