LG T-CON Schematic
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CONTENTS
How to use this guide? ……………………………………………………….
These Models of LG TV T-con section is built-in Mainboard:
1) LG 42LE5500 ……………. ………………………………………….
2) LG 47LE5500 …………………………………………………………
3) LG 47LM7600 ………………………………………………………...
4) LG 50LB6500 …………………………………………………………
5) LG 55LA8600 …………………………………………………………
6) LG 55LB7200 …………………………………………………………
7) LG 55LM6700 ………………………………………………………...
T-con Board & Panel Part Numbers:
1) 32LH30 Interconnect …………………………………………………...
T-con Board P/N: 6870C-0230A (Similar to 6870C-0266A, LC320WUN)
DESC or Panel Sticker Number: LC320WUN-SAB1
2) 37LH55 Interconnect …………………………………………………..
T-con Board P/N: 6870C-0264B
DESC or Panel Sticker Number: LC370WUD-SBM1
3) 42LB5800 Interconnect ………………………………………………..
T-con Board P/N: 6870C-0480A
DESC or Panel Sticker Number: V14 42 DRD 60Hz Control_Ver0.3
4) 42LG70 Interconnect …………………………………………………..
T-con Board P/N: 6870C-0202B
DESC or Panel Sticker Number: LC420WUF-SAA1
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5) 42LH20 Interconnect ………………………………………………….
T-con Board P/N: 6870C-0240C
DESC or Panel Sticker Number: LC-420WXN/LC370WXN (or LC420WXE-
SBA1)
6) 42LH50 Interconnect ………………………………………………….
T-con Board P/N: 6870C-4100D
DESC or Panel Sticker Number: LC420/470WUF-SBM1_SBL
7) 42LH90 Interconnect ………………………………………………….
T-con Board P/N: 6870C-4000H
DESC or Panel Sticker Number: LC320/420/470/550WU_120Hz Control
(LC420WUL-SBM1)
8) 42LK520 Interconnect …………………………………………………
T-con Board P/N: 6870C-0310C
DESC or Panel Sticker Number: LC420WUN-SCA1 (or similar LC420WUN-
SCB1, LC-420WUE-SCA2, LC420WUE-SCV1)
9) 42LN5300 Interconnect ………………………………………………
T-con Board P/N: 6870C-0452A
DESC or Panel Sticker Number: LC420DUE-SFR5, LC420DUE-SFR1 (similar to
LC500DUE-SFR1)
10) 42LV5500 Interconnect ………………………………………...
T-con Board P/N: 6870C-0358A
DESC or Panel Sticker Number: LC420EUF-SDA1 (V6 32/42/47 FHD 120Hz)
11) 42SL80 Interconnect ……………………………………………
T-con Board P/N: 6870C-0259A
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DESC or Panel Sticker Number: LC420WUD-SBM4 (42/47 Slim & Narrow
240Hz CONTROL)
12) 47GA6400 Interconnect …………………………………………
T-con Board P/N: 6870C-0444A
DESC or Panel Sticker Number: LC470EUN-SFF2 (DESC: LC470DUE-SFR1)
13) 47LB6000 Interconnect ………………………………………….
T-con Board P/N: 6870C-0481A
DESC or Panel Sticker Number: V14 60Hz 1GID
14) 47LG90 Interconnect ……………………………………………
T-con Board P/N: 6870C-0188B
DESC or Panel Sticker Number: LC470WUL-SAA1-731
15) 47LH85 Interconnect ……………………………………………
T-con Board P/N: 6870C-4000H
DESC or Panel Sticker Number: LC470WUF-SBB1 (DESC:
LC320/420/470/550WU_120Hz CONTROL)
16) 47LN5750 Interconnect …………………………………………
T-con Board P/N: 6870C-0444A
DESC or Panel Sticker Number: LC470DUE-SFU1 (DESC: LC470DUE-SFR1)
17) 47LW5600 Interconnect …………………………………………
T-con Board P/N: 6870C-0358A
DESC or Panel Sticker Number: LC470EUF-SDF2 (DESC: V6 32/42/47 FHD
120Hz)
18) 47LX6500 Interconnect …………………………………………
T-con Board P/N: EAX62110705 (0)
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DESC or Panel Sticker Number: LC470EUS-SCA1
19) 47LX9500 Interconnect ………………………………………..
T-con Board P/N: EAX61764003(3)
DESC or Panel Sticker Number: LX95M47T480V5 (DESC: LA02M)
20) 55EA9800 Interconnect ………………………………………..
T-con Board P/N: 6870C-0468B
DESC or Panel Sticker Number: LC550LUD-MFP2-L31
21) 55GA6400 Interconnect ………………………………………
T-con Board P/N: 6870C-0444A
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DESC or Panel Sticker Number: LC470DUE-SFR1
22) 55LA9700 Interconnect ………………………………………
T-con Board P/N: 6870C-0467A
DESC or Panel Sticker Number: LC550EQD
23) 55LM6200 Interconnect ………………………………………
T-con Board P/N: 6870C-0401B
DESC or Panel Sticker Number: LC550EUE-SEF1 (DESC: 32/37/42/47/55 FHD
TM120)
24) 55LM8600 Interconnect ………………………………………
T-con Board P/N: EAX64583702-1.0
DESC or Panel Sticker Number: LC550EUH-PEF1
25) 55LW5700 Interconnect ………………………………………
T-con Board P/N: 6870C-0369B
DESC or Panel Sticker Number: LC550EUF-SDF1 (DESC: V6 55 FHD 120Hz)
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26) 55LX6500 Interconnect ……………………………………….
T-con Board P/N: EAX62110705(0)
DESC or Panel Sticker Number: LC550EUC-SCA1
27) 79UB9800 Interconnect ………………………………………
T-con Board P/N: 6870C-0541B
DESC or Panel Sticker Number: (DESC: 79 UHD Curved Control)
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How to Use this Guide?
1) This guide will help the repairer easy to see and find the testing points of
their T-con board. You can also easy to learn what’s commonly testing
points and voltages values in LG T-con board.
2) With this guide, you can see the T-con board small fonts easily with the help
of PDF viewer ZOOM IN feature.
3) Not only that, you also can compare each T-con board has difference circuit
design and signal control lines. So from this guide, you can easily to find out
what’s difference in each T-con board easily.
4) Attention: All the testing voltage values and waveform are based on their
LG Interconnect TV Models.
5) From this guide, you can also find out some of the T-con board just one part
number but can use in different sizes of LCD/LED Panel. But the different is
their firmware inside the T-con board only! (Some maybe need to change
some resistor/s (ohm values or the position/location) setting on the board to
match the panel and causing it working properly.
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These Models of LG TV T-con section is
built-in Mainboard
1) 42LE5500 Interconnect
Panel P/N:
Mainboard P/N: EBU60904603
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42LE5500 Mainboard (Front Side)
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42LE5500 Mainboard (Back Side)
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2) 47LE5500 Interconnect
Panel P/N:
Mainboard P/N: EBU60904603
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47LE5500 Mainboard (Front Side)
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47LE5500 Mainboard (Back Side)
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3) 47LM7600 Interconnect
Panel P/N: EAJ62128701
Mainboard P/N: EAY62512702, EBU61749102
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4) 50LB6500 Interconnect
Panel P/N: EAJ62548101, EAJ62630101
Mainboard P/N: EBT62974906, EBT62997605
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5) 55LA8600 Interconnect
Panel P/N: EAJ62270501
Mainboard P/N: EBT62510502, EBT62510501, EBT62510504, EBR76363001
.
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LG 55LA8600 LVDS P7702 and P7703 Video Waveforms
SMTPE Color Bar input signal (Component). All signals taken at 2.5uSec per/sec/
100mV per/div.
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6) 55LB7200 Interconnect
Panel P/N: EAJ62270501
Mainboard P/N: EBT62902502, EBR78753301
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