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Pioneer PDP-42A3HD Service Manual page 64

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1
2. No HDMI Signal
Preliminary Checkpoints
A
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.
B
C
D
E
F
T02
64
1
2
No HDMI
signal
#37,38
at U401
in digital B/D
Waveform 7
#108,109,111,112,
114,115,117,118
DC level At U401
In digital Board
Waveform 8
EDID data
at U4
In digi tal Board
No sound
in HDMI mode
Check the signal
at JP4(HDMI Connector)
Change Digital B/D
PDP-42A3HD
2
3
NG
Check the state of soldering
at U401,U800,U29
NG
Check input signal part of
U401
NG
Check HDMI_PWR
&5VSTB
NG
Check the EDID data
&Audio output at U401
NG
Change JP4
3
4
T02
4

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