LG 32LN570B (CHASSIS:LA33B) Service Manual ▷ View online
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5.6. 3D HDMI Input(1.3)
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
3D input proposed mode
1
640*480
62.938 / 63
59.94/ 60
50.35/50.4
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving,
Frame Sequential
31.469 / 31.5
50.35/50.4
25.175/25.2
2D to 3D,Side-by-side ,
Top-and-Bottom
2
720*480
62.938 / 63
59.94 / 60
54.001/54.054
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving,
Frame Sequential
31.469 / 31.5
54.001/54.054
27.00/27.027
2D to 3D,Side-by-side ,
Top-and-Bottom
3
1280*720
89.91 / 90
59.94 / 60
148.351/148.5
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving,
Frame Sequential
44.96 / 45
148.351/148.5
74.17/74.25
2D to 3D,Side-by-side ,
Top-and-Bottom
4
1920*1080
67.432 / 67.5
59.94 / 60
148.35/148.5
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving,
Frame Sequential
33.72 / 33.75
148.35/148.5
74.17/74.25
2D to 3D,Side-by-side ,
Top-and-Bottom
5
1920*1080
53.946 / 54
23.976 / 24
148.351/148.5
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving
26.973 / 27
148.351/148.5
74.176/74.25
2D to 3D,Side-by-side ,
Top-and-Bottom
6
1920*1080
67.432 / 67.5
29.97 / 30.00
148.35/148.5
2D to 3D,Side-by-side,
Top-and-Bottom, Checkerboard,
Row Interleaving, Column Interleaving
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5.7. USB/DLNA Input
5.7.1. 3D Auto detection
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
3D input proposed mode
Proposed
1
1920*1080
33.75
30.000
74.25
Side-by-side, Top-and-Bottom
Checkerboard, Row Interleaving,
Column Interleaving, Frame Sequentia
(Photo : Side-by-side,
Top-and-Bottom)
HDTV 1080P
5.7.2. 3D Manual
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
3D input proposed mode
Proposed
1
1920*1080
33.75
30.000
74.25
Side-by-side, Top-and-Bottom
Checkerboard, Row Interleaving,
Column Interleaving, Frame Sequentia
(Photo : Side-by-side,
Top-and-Bottom)
HDTV
1080P
5.8. RF 3D Input(DTV)
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz) Proposed
3D input proposed mode
1
1280*720
45.000
60
74.25
HDTV 720P
2D to 3D, Side by Side, Top & Bottom
2
1920*1080
33.75
60
74.25
HDTV 1080I
2D to 3D, Side by Side, Top & Bottom
5.9. 2D to 3D Conversion
No
INPUT
Freq
Resolution
1
Digital TV / Analog TV
2D Support freq
2D Support resolution
2
HDMI
2D Support freq
2D Support resolution
3
Component
2D Support freq
2D Support resolution
4
Composite
2D Support freq
2D Support resolution
5
USB
2D Support freq
2D Support resolution
No
Side by Side
Top & Bottom
Checkerboard
Single Frame
Sequential
Frame Packing
2D to 3D
1
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ADJUSTMENT INSTRUCTION
1. Application
This spec. sheet applies to LA33B Chassis applied LED TV all
models manufactured in TV factory
2. Specification
(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.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25 ±5 ºC of temperature and 65±10% of relative humidity if
there is no specific designation
(4) The input voltage of the receiver must keep 100~240V,
50/60Hz
(5) At first Worker must turn on the SET by using Power Only
key.
(6) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15 ºC
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 still image is displayed for a period of 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 : ADC adjustment is OTP (Auto ADC)
(2) EDID download : HDMI
※
Remark
- Above adjustment items can be also performed in Final
Assembly if needed. Adjustment items in both PCBA and
final assembly tages 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
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
4. MAIN PCBA Adjustments
4.1. ADC Calibration
- An ADC calibration is not necessary because MAIN SoC
(LGExxxx) is already calibrated from IC Maker
- If it needs to adjust manually, refer to appendix.
4.2. MAC Address, ESN Key and Widevine
Key download
4.2.1. Equipment & Condition
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)
4.2.3. Download process
1) Select the download items.
2) Mode check: Online Only
3) Check the test process
- US, Canada models: DETECT -> MAC_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)
4.2.4. Communication Port connection
1) Connect: PCBA Jig -> RS-232C Port == PC -> RS-232C
Port
4.2.5. Download
1) US, Canada models (13Y LCD TV + MAC + Widevine +
ESN Key + DTCP Key + HDCP1.4 and HDCP2.0)
4.2.6. Inspection
- In INSTART menu, check these keys.
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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.
- IP number: 12.12.2.2
4.3.2. LAN PORT inspection (PING TEST)
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
4.4. EDID Download
4.4.1 Overview
▪ It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
necessity of user input. It is a realization of “Plug and Play”.
4.4.2 Equipment
▪ Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
▪ Adjust remocon
4.4.3 Download method
1) Press Adj. key on the Adj. R/C,
2) Select EDID D/L menu.
3) By pressing Enter key, EDID download will begin
4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
5) If Download is failure, Re-try downloads.
※
Caution) When EDID Download, must remove RGB/HDMI
Cable.
4.4.4. EDID DATA
4.4.4.1. 2D_8bit_PCM(US) _ xvYCC : off
HDMI EDID 2D_8bit_PCM(US)_xvYCC : off
▪Reference
- HDMI1 ~ HDMI3
- In the data of EDID, bellows may be different by S/W or Input
mode.
ⓐ
Product ID
HEX
EDID Table
DDC Function
0001
0100
Analog
0001
0100
Digital
ⓑ
Serial No: Controlled on production line.
ⓒ
Month, Year: Controlled on production line:
ex) Monthly : ‘01’ -> ‘01’
Year : ‘2013’ -> ‘17’
ⓓ
Model Name(Hex): LGTV
Chassis
MODEL NAME(HEX)
LA33B
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
ⓔ
Checksum(LG TV): Changeable by total EDID data.
ⓔ
1
ⓔ
2
ⓔ
3
HDMI1
E8
49
X
HDMI2
E8
39
X
HDMI3
E8
29
X
ⓕ
Vendor Specific(HDMI)
INPUT
MODEL NAME(HEX)
HDMI1
67 03 0C 00 10 00 80 1E
HDMI2
67 03 0C 00 20 00 80 1E
HDMI3
67 03 0C 00 30 00 80 1E
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