55LW5600 T-CON (TFT Drive) with (Shield Removed) Components Identified
Warning:
T-Con Board under shield. Be sure to reinsert screws before operating set with shield removed.
July 2011 LCD-DV 55LW5600
8
3
PANEL TEST
To run the T-CON “Panel Test”, remove
the LVDS cables. Jump 12V to the 12V
fuse. Jump VCC 3.3V to pin 44 on CN1.
White, Red, Blue, Green and Black
patterns show on screen.
Other Voltages from U6 to the Panel with no silk screen labels:
U6 pin 10: (16.12V) to CN4 pin 2, CN5 pin 59
U6 pin 11: (13.3V) to CN4 pin 3, CN5 pin 58
U6 pin 12: (12.2V) to CN4 pin 4, CN5 pin 57
U6 pin 13: (10.26V) to CN4 pin 5, CN5 pin 56
U6 pin 14: (5.9V) to CN4 pin 8, CN5 pin 53
U6 pin 15: (4.05V) to CN4 pin 9, CN5 pin 52
U6 pin 18: (3.01V) to CN4 pin 10, CN5 pin 51
U6 pin 19: (2.36V) to CN4 pin 11, CN5 pin 50
UC1
U5
F1 3A/125V
L2
L3
Q12
1
2
3
2
1
2
3
2
D5
D2
FL1
FL2
D3
L1
(3.3V)
US1
CN4
CN5
CN1
CN2
TO TFT MODULE
-5V
Pin 13, 14 VGL
Pin 20, 21 VDD
-5.3V
Pin 47, 48 VGL
Pin 40, 41 VDD
16.4V
16.4V
U6
VGL -5V
3.3V
Pin 35, 36 VCC
3.3V
Pin 25, 26 VCC
D6
12
V
Panel
Test
TP 44
Pin 18
1) 29.26.4V
2) 27.75V
3) 29.86V
3) Gnd
2) 2.6V
1) 0.59V
LVDS
LVDS
TO MAIN
Gnd
Gnd
Gnd
Gnd
Gnd
C104
C103
VDD 16.4V
(3.35V)
(29.86V)
(25.75V)
VCC 3.3V
US1
Q11
From VDD Pins 7-8
3.38V
-2.43V
-5.3V
P-VDD
16.37V
12V
CN3 n/c
C108
C107
(3.3V)
(3.3V)
HVDD 8.21V
D4
D7
VGH 27.74V
27.74V
Pin 51, 52 VGH
27.74V
Pin 9, 10 VGH
8.21V
Pin 38, 39 HVDD
8.21V
Pin 22, 23 HVDD
10
(16.18V)
Gnd
Gnd
12V
D1
(15.87V)
5) 3.3V
6) 3.3V
7) 3.15V
8) 3.3V
U5
4) Gnd
3) Gnd
2) Gnd
1) Gnd
