PDP-507CMX
97
5
6
7
8
5
6
7
8
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 Assy
Y 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.)
Because it is difficult to identify which drive is in failure, follow the flowchart below to check each Assy.
Failure analysis for the
drive system
⇒
DR2
Содержание PDP 507CMX
Страница 18: ...PDP 507CMX 18 1 2 3 4 1 2 3 4 C D F A B E 2 6 PANEL CHASSIS SECTION 1 9 2 11 4 7 7 7 7 7 3 7 10 8 7 10 7 6 5 ...
Страница 44: ...PDP 507CMX 44 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL CONNECTION DIAGRAM 2 2 ...
Страница 45: ...PDP 507CMX 45 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 84: ...PDP 507CMX 84 1 2 3 4 1 2 3 4 C D F A B E 500ns div 500ns div 200ns div ...
Страница 104: ...PDP 507CMX 104 1 2 3 4 1 2 3 4 C D F A B E ...
Страница 108: ...PDP 507CMX 108 1 2 3 4 1 2 3 4 C D F A B E ...
Страница 208: ...PDP 507CMX 208 1 2 3 4 1 2 3 4 C D F A B E THC63LVD104AF K IC101 LVDS ASSY LVDS Receiver Block Diagram Pin Function ...
Страница 209: ...PDP 507CMX 209 5 6 7 8 5 6 7 8 C D F A B E MP2367DN LF IC302 DD ASSY Converter IC Block Diagram Pin Function ...
Страница 210: ...PDP 507CMX 210 1 2 3 4 1 2 3 4 C D F A B E NCP5211BDG IC303 DD ASSY Regulator IC Block Diagram Pin Function ...