Pioneer PDP-5016HD Service Manual page 138

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QQ
3 7 63 1515 0
A
10) No VIDEO 1/2/3 Signal
Check the connection of the composite VIDEO signal.
Check the soldering state in VIDEO Terminal & input part
Check the short point in signal line.
Check for short circuits between each power terminal and the ground.
No composite VIDEO
signal(Color Bars)
B
#8(1)
15(2),22(3)
at U25
in Main Assy
#33,#34 at U25
in Main Assy
C
#AB2 at U5
In Main Assy
TE
L 13942296513
The output
LVDS signal
at J1
In Main Assy
Change U5
D
Waveform
•
E
<Waveform 12>
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http://www.xiaoyu163.com
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Waveform 16
(1)VIDEO 1
(2)VIDEO 2
(3)VIDEO 3
NG
Waveform 17
NG
Waveform 18
NG
Waveform12
NG
<Waveform 16>
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. i
PDP-5016HD
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http://www.xiaoyu163.com
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8
Check VIDEO input
Terminal
& related components.
Check SCL2/SDA2 line
and U5
Check U25 and
and related circuit
Q Q
3 6 7 1 3
Check U5 and
Y1 and related circuit
<Waveform 17> <Waveform 18>
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.
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4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9