LG 42PJ350 Training Manual page 101

TCP Testing
TCP Testing
Must be checked on flexible cable.
On any Gnd
-
On the below:
Reversed
On Va (0.59V)
On Va (Open)
On 3.3V (1.08V)
On 3.3V (Open)
TCP Connector Pin Description
Any X Board to Any TCP P201~P206 or P301~P306
Va: P233 3~4 from Y-SUS P209
Va: Routes to:
Leaves Left X P211 pins 3~4
To Right X : P311 pins 3~4
Flexible Printed Ribbon Cable to TCP IC
Va
n/c
1
Gnd Gnd
3.3V
Gnd
5 10 15 20 25 30 35 40
101 August 2010
3.3V Origination
From Control board IC121 center leg.
Leaves P161 to P232 and P162 to P331
Arrives on X board Left P232 Pins 9~11
Arrives on X board Right P331 Pins
42~44
Look for any TCPs
being discolored.
Va
Ribbon Damage.
Cracks, folds
Pinches, scratches,
etc...
n/c
50
45
42PJ350 Plasma