LG 50PS80 Series, Руководство по обучению

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76
August 2009 Plasma 50PS80
Y Drive Buffer Output Check Y Drive Buffer Output Check
BL: 0.8V BL: 0.8V RL RL : Open : Open
Diode Mode Check: All checks from Floating Gnd.
BL = Black Lead on test point red lead on FG.
RL= Red Lead on test point black lead on FG.
Checking any pin
Checking any pin
from Floating Gnd
from Floating Gnd
Floating Ground
Floating Ground
Buffer Output Buffer Output
Pins Bottom
Pins Bottom
Side
Side
Buffer FG
Buffer FG
Note: The buffer output pins Note: The buffer output pins
identified on the left are actually the
identified on the left are actually the
bottom connections on the Flexible
bottom connections on the Flexible
Ribbon Cable to the Panel (FPC). The
Ribbon Cable to the Panel (FPC). The
top connections to the FPC are on top
top connections to the FPC are on top
of the board as shown on the right. of the board as shown on the right.
Back Side of Y Drive board
Back Side of Y Drive board
Front Side of Y Drive board Front Side of Y Drive board
Buffer
Buffer
Output Output
Pins Pins
Top Top
Side
Side
68 pins
68 pins
67 pins 67 pins
135 Total Output Pins 135 Total Output Pins
per FPC
per FPC
12 FPC connections
12 FPC connections
1080 Total Horizontal 1080 Total Horizontal
electrodes establishing
electrodes establishing
vertical pixel count
vertical pixel count