LG 42LW5700-UE (CHASSIS:LA12C) Service Manual ▷ View online
- 10 -
No
Side by Side
Top & Bottom
Checkerboard
Single Frame Sequential
Frame Packing
No Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
Proposed
1
1920*1080
33.75
30.000
74.25
Side by Side
HDTV 1080P
Top & Bottom
Checkerboard
No Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
Proposed
1
1920*1080
33.75
30.000
74.25
Side by Side
HDTV 1080P
Top & Bottom
Checkerboard
10. USB Input - 3D
11. DLNA Input - 3D
12. 3D Input
- 11 -
13. Optical specs for LCD Module.
0.334
0.307
0.307
GREEN
0.606
0.152
BLUE
0.058
0.279
0.279
WHITE
-0.05
0.292
+0.05
0.630
RED
0.330
0.320
0.320
GREEN
0.620
0.150
0.150
BLUE
0.040
0.280
0.280
WHITE
Typ.
-0.05
0.290
Typ.
+0.05
T645HW05-V0
1,100:1
1,600:1
LGD
Module
3 Contrast
ratio
3,200:1
4,000:1
AUO Module (32LW5700/65LW6500)
4 3D
Crosstalk
1
3
%
5
Luminance Uniformity
1.3
%
2D Only
Response Time(Gray to Gray)
5
6
ms
Response Time(MPRT)
6
9
ms
Response Time(U niformity
/ MPRT)
1
6
Response Time(U niformity
/ G to G)
1
No
Item
Min
Typ
Max
Unit
Remark
320
400 cd/m
100
250 cd/m
T315HB01-V0
320
400 cd/m
120
150 cd/m
LC420EUF-SDF1
320
400 cd/m
120
150 cd/m
LC470EUF-SDF1
320
400 cd/m
120
150 cd/m
LC550EUF-SDF1
2D
3D
2D
3D
3D
2D
3D
2D
3D
2D
3D
3D
2D
3D
2D
3D
3D
360 450 cd/m
1
Max Luminance
(Center 1-point /
Full White Pattern)
(Center 1-point /
Full White Pattern)
100
125 cd/m
T645HW05-V0
0.630
RED
0.330
0.320
0.320
GREEN
0.620
0.150
0.150
BLUE
0.040
0.280
0.280
WHITE
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Y
X
Typ.
-0.03
0.290
Typ.
+0.03
T315HB01-V0
0.650
RED
0.333
0.307
0.307
GREEN
0.604
0.150
0.150
BLUE
0.059
0.279
0.279
WHITE
Typ.
-0.05
0.292
Typ.
+0.05
LC420EUF-SDF1
0.648
RED
0.332
0.306
0.306
GREEN
0.606
0.150
0.150
BLUE
0.058
0.279
0.279
WHITE
Typ.
-0.05
0.292
Typ.
+0.05
LC470EUF-SDF1
2 Color
coordinate
(Default)
(Default)
RED
Typ. 0.648 Typ.
LC550EUF-SDF1
- 12 -
ADJUSTMENT INSTRUCTION
1. Application range
This spec. sheet applies to LA12C Chassis applied LCD TV
all models manufactured in TV factory .
all models manufactured in TV factory .
2. Specification
2.1 Because this is not a hot chassis, it is not necessary
to use an isolation transformer. However, the use of
isolation transformer will help protect test instrument.
isolation transformer will help protect test instrument.
2.2 Adjustment must be done in the correct order.
2.3 The adjustment must be performed in the
2.3 The adjustment must be performed in the
circumstance of 25±5°C of temperature and 65±10%
of relative humidity
of relative humidity
2.4 The input voltage of the receiver must keep
100~240V~, 50/60Hz.
2.5 The receiver must be operated for about 5 minutes
prior to the adjustment when module is in the
circumstance of over 15. In case of keeping module
is in the circumstance of 0°C, it should be placed in
the circumstance of above 15°C for 2 hours In case
of keeping module is in the circumstance of below -
20°C, it should be placed in the circumstance of
above 15°C for 3 hours.
circumstance of over 15. In case of keeping module
is in the circumstance of 0°C, it should be placed in
the circumstance of above 15°C for 2 hours In case
of keeping module is in the circumstance of below -
20°C, it should be placed in the circumstance of
above 15°C for 3 hours.
• Caution
When a still image is displayed for 20 minutes or longer
(especially where W/B scale is strong. Digital pattern 13ch
and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
When a still image is displayed for 20 minutes or longer
(especially where W/B scale is strong. Digital pattern 13ch
and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. Adjustment items
3.1 Main PCBA Adjustments
(1) ADC adjustment: Component 480i, 1080p / RGB-PC 1080p
(2) EDID downloads for HDMI and RGB-PC
(2) EDID downloads for HDMI and RGB-PC
• Remark
- Above adjustment items can be also performed in Final
Assembly if needed. Adjustment items in both PCBA and
final assembly stages can be checked by using the
INSTART Menu 1.ADJUST CHECK.
final assembly stages can be checked by using the
INSTART Menu 1.ADJUST CHECK.
3.2 Final Assembly adjustment
(1) White Balance adjustment
(2) RS-232C functionality check
(3) Factory Option setting per destination
(4) Shipment mode setting (IN-STOP)
(5) GND and HI-POT test
(2) RS-232C functionality check
(3) Factory Option setting per destination
(4) Shipment mode setting (IN-STOP)
(5) GND and HI-POT test
3.3. Appendix
(1)Tool option menu, USB Download (S/W Update, Option
and Service only)
(2) Manual adjustment for ADC calibration and White balance.
(3) Shipment conditions, Channel pre-set
(3) Shipment conditions, Channel pre-set
4. MAIN PCBA Adjustments
4.1. ADC Calibration
4.1.1. Overview
• ADC adjustment is needed to find the optimum black level
• ADC adjustment is needed to find the optimum black level
and gain in Analog-to-Digital device and to compensate RGB
deviation.
deviation.
4.1.2. Equipment & Condition
1) Jig (RS-232C protocol)
2) MSPG-925 Series Pattern Generator(MSPG-925FS)
1) Jig (RS-232C protocol)
2) MSPG-925 Series Pattern Generator(MSPG-925FS)
- Resolution : 480i Comp1 (MSPG-925FS: model-209,
pattern-65)
- Resolution : 1080p Comp1 (MSPG-925FS: model-225,
pattern-65)
- Resolution : 1080p RGB (MSPG-925FS: model-225,
pattern-65)
- Pattern : Horizontal 100% Color Bar Pattern
- Pattern level : 0.7±0.1 Vp-p
- Image
- Pattern level : 0.7±0.1 Vp-p
- Image
4.1.3. Adjustment
4.1.3.1 Adjustment method
• Using RS-232, adjust items listed in 3.1 in the other
4.1.3.1 Adjustment method
• Using RS-232, adjust items listed in 3.1 in the other
shown in “4.1.3.3”
4.1.3.2 Adj. protocol
Ref.) ADC Adj. RS232C Protocol_Ver1.0
Ref.) ADC Adj. RS232C Protocol_Ver1.0
4.1.3.3. Adj. order
• aa 00 00 [Enter ADC adj. mode]
• xb 00 40 [Change input source to Component1
• aa 00 00 [Enter ADC adj. mode]
• xb 00 40 [Change input source to Component1
(480i/1080p)]
• ad 00 10 [Adjust 480i//1080p Comp1]
• xb 00 60 [Change input source to RGB(1920*1080)]
• ad 00 10 [Adjust 1920*1080 RGB]
• ad 00 90 End adj.
• xb 00 60 [Change input source to RGB(1920*1080)]
• ad 00 10 [Adjust 1920*1080 RGB]
• ad 00 90 End adj.
Chassis
Model Name
Module type Local dimming THX
Remark
47/55/65LW6500-UA
32/42/47/55LW5700-UE
42/47/55LW5600-UA
42/47/55LW5700-NA
LA12C
42/47/55LW6500-NB
Edge LED
O
(Except AUO)
X 1 point W/B adjustment
Protocol
Command
Set ACK
Enter adj. mode
aa 00 00
a 00 OK00x
Source change
xb 00 40
xb 00 60
xb 00 60
b 00 OK40x (Adjust 480i /1080p Comp1 )
b 00 OK60x (Adjust 1920*1080 RGB)
b 00 OK60x (Adjust 1920*1080 RGB)
Begin adj.
ad 00 10
Return adj. result
OKx (Case of Success)
NGx (Case of Fail)
NGx (Case of Fail)
Read adj. data
(main)
ad 00 20
(sub )
ad 00 21
ad 00 20
(sub )
ad 00 21
(main)
000000000000000000000000007c007b006dx
(Sub)
000000070000000000000000007c00830077x
000000000000000000000000007c007b006dx
(Sub)
000000070000000000000000007c00830077x
Confirm adj.
ad 00 99
NG 03 00x (Fai l)
NG 03 01x (Fai l)
NG 03 02x (Fai l)
OK 03 03x (Success)
NG 03 01x (Fai l)
NG 03 02x (Fai l)
OK 03 03x (Success)
End adj.
aa 00 90
a 00 OK90x
- 13 -
4.2. MAC Address, ESN Key and Widevine
Key download
4.2.1. Equipment & Condition
1) Play file: keydownload.exe
1) Play file: keydownload.exe
4.2.2. Communication Port connection
1) Key Write: Com 1,2,3,4 and 115200(Baudrate)
2) Barcode: Com 1,2,3,4 and 9600(Baudrate)
1) Key Write: Com 1,2,3,4 and 115200(Baudrate)
2) Barcode: Com 1,2,3,4 and 9600(Baudrate)
4.2.3. Download process
1) Select the download items
2) Mode check: Online Only
3) Check the test process
-
1) Select the download items
2) Mode check: Online Only
3) Check the test process
-
US, Canada models: DETECT->MAC_WRITE->
WIDEVINE_WRITE
WIDEVINE_WRITE
- Korea, Mexico models: DETECT->MAC_WRITE->
WIDEVINE_WRITE
4) Play: START
5) Check of result: Ready, Test, OK or NG
6) Printer out (MAC Address Label)
5) Check of result: Ready, Test, OK or NG
6) Printer out (MAC Address Label)
4.2.4. Communication Port connection
1) Connect: PCBA Jig RS-232C Port == PC RS-232C Port
1) Connect: PCBA Jig RS-232C Port == PC RS-232C Port
4.2.5. Download
1) US, Canada models (11Y LCD TV + MAC + Widevine +
1) US, Canada models (11Y LCD TV + MAC + Widevine +
ESN Key)
2) Korea, Mexico models (11Y LCD TV + MAC + Widevine
Only)
4.1.6. Inspection
- In INSTART menu, check these keys.
- In INSTART menu, check these keys.
4.3. LAN port Inspection (Ping Test)
4.3.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test Program.
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test Program.
4.3.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) Connect each other LAN Port Jack.
1) Play the LAN Port Test Program.
2) Connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) Remove LAN CABLE
4) Remove LAN CABLE
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