Pioneer PDP-5016HD Service Manual page 135

5
QQ
3 7 63 1515 0
7) No DTV Signal
Check the Connection of the DTV input Connector
Check for short circuits between each power terminal and the ground.
TE
L 13942296513
And H_DE, H/V sync,H_clk
Check the digital input
and output of U5
(IN1R/G/B of U5)
Waveform
•
<Waveform 6>
www
Zoran Hsync output:U20 pin
.
<Waveform 10>
T04
5
http://www.xiaoyu163.com
No DTV
signal
Waveform6/6-1
#5,6
NG
at U20
in Main Assy
Waveform7
#11,12
NG
at U20
in Main Assy
Waveform8
#19,20
NG
at U33
in Main Assy
Waveform9
#52,54,56,57
NG
at U33
in Main Assy
Waveform10/
10-1/10-2/10-3
Check the RGB
NG
output(24bit)
At U29
In Main Assy
<Waveform 6-1>
Zoran Vsync output:U19 pin
x ao u163
y
i
<Waveform 10-1>
http://www.xiaoyu163.com
6
8
Check the power line and
IIC line between U20 and U33
Check the state of soldering
State and related component at
U20
Check the power line and
IIC line between U33 and U29
Q Q
Check the state of soldering
3 6 7 1 3
State and related component at
U33
Check the state of soldering
State and related component at
U29
<Waveform 7>
Zoran DE output:T18 pin Zoran CLK output:K17 pin
.
<Waveform 10-2> <Waveform 10-3>
PDP-5016HD
6
7
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
<Waveform 8> <Waveform 9>
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
T04
135
8