PDP-5016HD
138
1
2
4
1
2
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4
C
D
F
A
B
E
10) No VIDEO 1/2/3 Signal
No composite VIDEO
signal(Color Bars)
#8(1)
15(2),22(3)
at U25
in Main Assy
NG
Check VIDEO input
Terminal
& related components.
#33,#34 at U25
in Main Assy
Waveform 18
#AB2 at U5
In Main Assy
NG
Check SCL2/SDA2 line
and U5
NG
Check U25 and
and related circuit
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.
Waveform 17
The output
LVDS signal
at J1
In Main Assy
NG
Check U5 and
Y1 and related circuit
Change U5
Waveform12
Waveform 16
(1)VIDEO 1
(2)VIDEO 2
(3)VIDEO 3
T07
T07
<Waveform 12>
<Waveform 18>
<Waveform 17>
<Waveform 16>
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