PDP-4271HD
78
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Check with the animated slanting ramp mask.
Is the on-screen display (OSD)
properly displayed?
Is the audio signal output?
Is the panel mask properly
displayed?
No
No
Yes
Check on the Factory menu.
Is an external video signal
displayed properly?
Specific failure whose cause is
difficult to identify in the initial stage
No
No
Failure analysis for the
audio system
⇒
MONI_A, SUB-W, AU1
Yes
Yes
Yes
In the subsequent diagnostic steps, it is most likely that the multi base section is in failure.
Problems concerning video display
Problems concerning the audio output
A
Failure analysis for the
drive system
⇒
DR2
Failure analysis for the
DIGITAL Assy
⇒
DG1
Failure analysis for the
MAIN Assy
⇒
MA3
Flowchart of Failure Analysis for The Whole Unit
Содержание PDP-4270HD
Страница 20: ...PDP 4271HD 20 1 2 3 4 1 2 3 4 C D F A B E 2 6 PANEL CHASSIS SECTION 1 2 3 6 4 5 8 8 8 8 8 8 9 13 7 10 12 11 14 ...
Страница 55: ...PDP 4271HD 55 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 189: ...PDP 4271HD 189 5 6 7 8 5 6 7 8 C D F A B E Block Diagram R2S11002AFT MAIN ASSY IC4701 AV SW ...
Страница 190: ...PDP 4271HD 190 1 2 3 4 1 2 3 4 C D F A B E Block Diagram R2S11001FT MAIN ASSY IC4901 Component SW IC ...