Y Drive Buffer Output Check - LG 50PS80 Training Manual

Y Drive Buffer Output Check

Y Drive Buffer Output Check
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.
Back Side of Y Drive board
Back Side of Y Drive board
Floating Ground
Floating Ground
Buffer Output
Buffer Output
Pins Bottom Pins Bottom
Side
Side
Buffer FG
Buffer FG
68 pins 68 pins
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.
Front Side of Y Drive board
Front Side of Y Drive board
Checking any pin Checking any pin
from Floating Gnd
from Floating Gnd
BL: 0.8V BL: 0.8V RL RL : Open : Open
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
76
67 pins
67 pins
August 2009 Plasma 50PS80
Buffer Buffer
Output
Output
Pins Pins
Top
Top
Side Side