Pioneer PDP-507XD Service Manual

PDP-507XD
86
1234
1234
C
D
F
A
B
E
No
Is the waveform normal when the
voltage is applied to the panel?
(See the oscilloscope photos.)
Are all the connectors properly
connected?
Reconnect the connectors.
No
Set the VH voltage correctly.
X DRIVE AssyY DRIVE Assy / SCAN A, B Assy
ADDRESS Assy
Abnormality across the whole
screen, such as luminescent spots
B
D
C
NG
Yes
No
Set the VOFS voltage correctly.
NG
Is the VH set voltage (130 V)
correctly set?
Yes
Is the VOFS set voltage correctly
set (set value: designated for
each panel)?
No
No
Another Assy may be in failure.
Set the VYRST voltage correctly.
No
Replace the FFC cables.
Replace the DIGITAL Assy.
Replace the Y DRIVE Assy.
Replace the SCAN IC.
NG
NG
NG
Yes
Yes
Yes
Yes
Yes
Is the VYRST set voltage correctly
set (set value: designated for
each panel)?
Is the input signal normal?
(See the oscilloscope photos.)
No
Is the waveform of the control
signal from the SCAN Assy
normal?
(See the oscilloscope photos.)
Failure analysis for the
drive system ⇒ DR2
Because it is difficult to identify which drive is in failure, follow the flowchart below to check each Assy.

Pioneer PDP-507XD Specifications

General

Comb filter	3D
Aspect ratio	16:9
Product color	Black
Noise reduction	Yes
Display diagonal	50 \
Display brightness	1100 cd/m²
Display resolution	1365 x 768 pixels
Display technology	Plasma
Viewable size diagonal	1270 mm
Contrast ratio (typical)	4000:1