PDP-507CMX
110
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Yes
Failure analysis for the
LVDS Assy
⇒
LV1
No
Yes
FU102 blown
No
No
Is the LVDS cable for CN101
firmly connected?
Yes
Failure analysis for the MAIN
Assy
⇒
MA3
Failure connect the
LVDS cable for CN101
No
Is 3.3 V voltage supplied to Pin 20
of CN104?
Is 3.3 V voltage supplied to Pins
48 and 64 of IC101?
Yes
Yes
Failure in the Q101
Failure in the LVDS Assy
LVDS Assy is normal
Check the loose contact about
CN104 or analyzes the DIGITAL
Assy
⇒
DG1
No
No
No
Is the voltage at TP111 or Pin 48
of CN103 0 V?
Is 3.3 V voltage supplied to Pin 4
of IC101?
Yes
Yes
After replacing IC101, check if a
picture is displayed.
Are approx. 500 mVp-p signals
output from Pins 55 and 57 of
IC101?
IC101-55pin: Waveform 50
IC101-57pin: Waveform 51
Flowchart Failure Analysis for The LVDS Assy
Summary of Contents for PDP 507CMX
Page 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 ...
Page 45: ...PDP 507CMX 45 5 6 7 8 5 6 7 8 C D F A B E ...
Page 84: ...PDP 507CMX 84 1 2 3 4 1 2 3 4 C D F A B E 500ns div 500ns div 200ns div ...
Page 104: ...PDP 507CMX 104 1 2 3 4 1 2 3 4 C D F A B E ...
