Tcp Testing - LG 50PV450 Manual

TCP Testing

TCP Testing
Va: Comes from Y-SUS P203 4~5
Va: Comes In on: Va: Comes In on:
Arrives Left X : P121 pins 1~2
Leaves to Center X P120 pins 1~2
Arrives Center X : P320 pins 1~2
Leaves to Right X P321 pins 1~2
Arrives Right X : P320 pins 1~2
On Va (0.42V) On Va (Open)
Must be checked on flexible cable.
-
On the below: On the below:
On Va2 (0.5V)
On Va (Open)
On 3.3V (0.44V)
On 3.3V (1.15V)
On EC (Open) ( p )
On EC (Open) On EC (Open)
50PV450 X Board TCP Connector Distribution
Any X Board to Any TCP (L) P101~P105 or (C) P201~P205 or (R) P201~P305
Flexible Printed Ribbon Cable to TCP IC
n/c
Gnd Gnd
3.3V
Va Va
3.3V
EC Gnd EC
Gnd
Data Data
1 5 10 15 20 25 30 35 40 45 50
127
3.3V Originates from Control
board IC53 center leg. board IC53 center leg
Arrives on X boards P110,
Pins 57, 58, 59, 60
Look for any TCPs
being discolored.
Ribbon Damage.
Cracks, folds
Pinches, scratches,
etc...
n/c
May 201 1 50PV450
P310, P310
Plasma