LG 50PS80 Series, Руководство по обучению

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August 2009 Plasma 50PS80
Y Y SUS SUS Floating Ground 5V (5VFG) and Scan Input Check Floating Ground 5V (5VFG) and Scan Input Check
Black Lead: 0.76V
Black Lead: 0.76V
Red Lead: Open
Red Lead: Open
Checked from Floating Gnd. Checked from Floating Gnd.
Y
Y
-
-
Drive boards connected.
Drive boards connected.
Y
Y
-
-
SUS
SUS
P311
P311
Y
Y
-
-
SUS
SUS
P313
P313
Floating
Floating
Ground Ground
5V FG
5V FG
VSCAN
VSCAN
n/c n/c
Floating
Floating
Ground Ground
5V FG 5V FG
VSCAN
VSCAN
n/c
n/c
5V FG: 5V FG:
VSCAN:
VSCAN:
Diode Check means the Digital Volt Meter is in Diode Mode.
1
1
Red Lead: 0.6V Red Lead: 0.6V
Black Lead: 0.5V
Black Lead: 0.5V
•
•
Note: All connectors going to the Y
Note: All connectors going to the Y
-
-
SUS board are fragile.
SUS board are fragile.
•
•
P114, P116, P214 and P216.
P114, P116, P214 and P216.
•
•
Removing and reinserting the drive board or the Y
Removing and reinserting the drive board or the Y
-
-
SUS can
SUS can
cause an intermittent connection or cold connection. cause an intermittent connection or cold connection.
•
•
Investigate these connectors carefully after replacing either
Investigate these connectors carefully after replacing either
the Y the Y - - SUS or Upper or Lower Y SUS or Upper or Lower Y - - Drive boards and resolder if Drive boards and resolder if
necessary.
necessary.