LG 42LS3450 (CHASSIS:LT21C) Service Manual ▷ View online
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- Analog (RGB) EDID table - FHD
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01
10 01 16 01 03 68 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 5C
20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 5C
CheckSum : 5C
- Analog (RGB) EDID table - HD
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01
10 01 15 01 03 68 10 09 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 81 C0 61 40 45 40 31 40 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 A0 5A 00 00 00 1C 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1F 46 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 CD
20 0F 50 54 A1 08 00 81 C0 61 40 45 40 31 40 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 A0 5A 00 00 00 1C 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1F 46 10 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 CD
=> Detail EDID Options are below
HD( 2D TV)
FHD(2D TV)
_10bit
FHD(2D TV)
_8bit
HD (3D TV)
FHD (3D TV)
32LS3500-DA
47LS4600-DA
32LS5600-DA
32LM3400-DB 47LM5800-DB
32LS3400-DA
42LS4600-DA
42LS3450-DA
42LM5800-DB
32CS460-DA
32LS4600-DA
32LM5800-DB
32LS3450-DA
42LS3400-DA
55LM4600-DB
42CS560-DA
47LM4600-DB
32CS560-DA
42LM3400-DB
42CS460-DA
Support Deep
color
Non-Support
Deep color
ASCII Code
4.5. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
4.6 GND & Hi-pot test
Confirm whether is normal or not when between power
board's ac block and GND is impacted on 1.5kV(dc) or
2.2kV(dc) for one second.
■ GND TEST = POWER CORD GND and SIGNAL CABLE
GND
■ Hi-pot TEST = POWER CORD GND and LIVE&NUETRAL
■ Test Process
(1) Check the POWER CABLE and SIGNAL CABLE insertion
condition.
(2) Connect the AV JACK Tester
(3) Controller(GWS103-4) on
(4) GND TEST(Auto)
- If Test is failed, Buzzer operate
- If Test is passed, execute next process(HI-pot test)
- Remove A/V CORD from A/V JACK BOX
(5) HI-POT test(Auto)
- If Test is failed, Buzzer operate
- If Test is passed, GOOD Lamp on and move to next
process automatically.
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4.7. EYE-Q function check
Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using
your hand and wait for 6 seconds
Step 4) Confirm that R/G/B value is lower than 10 of the “Raw
Data (Sensor data, Back light )”. If after 6 seconds,
R/G/B value is not lower than 10, replace Eye Q II
sensor
Step 5) Remove your hand from the Eye Q II sensor and wait
for 6 seconds
Step 6) Confirm that “ok” pop up.
If change is not seen, replace Eye Q II sensor
4.8. Local Dimming Function Check
Step 1) Turn on TV
Step 2) At the Local Dimming mode, module Edge Backlight
moving right to left
Back light of IOP module moving
Step 3) confirm the Local Dimming mode
Step 4) Press “exit” Key
4.9. 3D function test
( Pattern Generator MSHG-600, MSPG-6100 [SUPPORT
HDMI1.4])
* HDMI mode NO. 872 , pattern No.83
1) Please input 3D test pattern like below (HDMI mode NO.
872 , pattern No.83)
2) When 3D OSD appear automatically , then select OK button
3) Don’t wear a 3D Glasses, Check the picture like below .
- 19 -
TROUBLE SHOOTING
No power
Check 24V, 12V, 3.5V
of Power B/D
Check short of Main B/D
or Change Power B/D
Pass
Check Output of
Q403, IC407, IC401
Check P403 Connector
Change LED Assy
: [A] PROCESS
Fail
Fail
Pass
Pass
Check LED Assy
Check short of
IC402, IC403
Pass
Check short of
Q403, IC407, IC401
Fail
Re-soldering or Change defect
part of Q403, IC407, IC401
Fail
Re-soldering or Change defect
part of Q403, IC407, IC401
Fail
- 20 -
No Raster
: [B] Process
Check LED status
On Display Unit
Repeat A PROCESS
Pass
Fail
Check Output of IC1401
Change IC1401
Fail
Change Inverter Connector
Or Inverter
Fail
Pass
Fail
Pass
Change LVDS Cable
Fail
Check LVDS Cable
Pass
Check Panel Link Cable
Or Module
Change Panel Link Cable
Or Module
Check Inverter Connector
Or Inverter
Pass
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