LG 47LV375H (CHASSIS:LD03X) Service Manual ▷ View online
- 8 -
2) MAC Address Download
- Com 1,2,3,4 and 115200(Baud rate)
- Click “Port connection” button(1).
- Click “Port connection” button(1).
- Click “Load” button(2) for MAC Address write.
- Click “MAC Address write” button(3)
- Check the OK Or NG.
- Click “MAC Address write” button(3)
- Check the OK Or NG.
3.3. LAN
(1) Equipment & Condition
A
Each other connection to LAN Port of IP Hub and Jig
(2) LAN inspection solution
A
LAN Port connection with PCB
A
Network setting at MENU Mode of Installation Menu
- “In-start” key input -> “menu” key input -> Installation
Menu
- Network Setup -> Network Setting --> Press “Enter” ->
IP Auto Setting -> OK
A
setting automatic IP
A
Setting state confirmation
-> If automatic setting is finished, you confirm IP and
MAC Address.
3.4. LAN PORT INSPECTION(PING TEST)
Connect SET -> LAN port == PC -> LAN Port
(1) Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test Program.
2) Input IP set up for an inspection to Test Program.
*IP Number : 12.12.2.2
(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.
2) Connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) Remove LAN cable.
3.5. Model name & serial number download
(1) Model name & Serial number D/L
A
Press “Power on” key of service remote control.
(Baud rate : 115200 bps)
(Baud rate : 115200 bps)
A
Connect RS232 Signal Cable to RS-232 Jack.
A
Write Serial number by use RS-232.
A
Must check the serial number at Instart menu.
(2) Method & notice
A. Serial number D/L is using of scan equipment.
B. Setting of scan equipment operated by Manufacturing
B. Setting of scan equipment operated by Manufacturing
Technology Group.
C.Serial number D/L must be conformed when it is
produced in production line, because serial number D/L
is mandatory by D-book 4.0.
is mandatory by D-book 4.0.
* Manual Download (Model Name and Serial Number)
If the TV set is downloaded by OTA or service man, sometimes
model name or serial number is initialized.(Not always)
There is impossible to download by bar code scan, so It
need Manual download.
a. Press the ‘Instart’ key of Adjustment remote control.
b. Go to the menu ‘5.Model Number D/L’ like below photo.
c. Input the Factory model name(ex 42LD450-ZA) or Serial
model name or serial number is initialized.(Not always)
There is impossible to download by bar code scan, so It
need Manual download.
a. Press the ‘Instart’ key of Adjustment remote control.
b. Go to the menu ‘5.Model Number D/L’ like below photo.
c. Input the Factory model name(ex 42LD450-ZA) or Serial
number like photo.
d. Check the model name Instart menu. -> Factory name
displayed. (ex 42LE7500-ZA)
e. Check the Diagnostics. (DTV country only) -> Buyer
model displayed. (ex 42LE7500-ZA)
Commercial MENU
SET
PC
- 9 -
4. Check Commercial Features
4.1. External SPK Out and Volume control
4.1.1. Equipment & Condition
- Jig(Speaker out JIG, Speaker out control Jig) or Oscilloscope
- Power only mode
- Power only mode
4.1.2. Check the speaker out & control
1) Connect the External Speaker : Check the sound.
2) Press the “+” key on the control Jig : Check the Max output.
3) Press the “-” key on the control Jig : Check the Min output.
2) Press the “+” key on the control Jig : Check the Max output.
3) Press the “-” key on the control Jig : Check the Min output.
Connect oscilloscope, you can see this waveform.
4.2. IR Out and DC Power Outlet(5 V / 12 V)
4.2.1. Equipment & Condition
- Jig (commercial check JIG)
- Special 232C Cable for commercial check Jig
- Power only mode
- Special 232C Cable for commercial check Jig
- Power only mode
4.2.2. Check the power out & IR out - commercial
check jig
1) Connect each other RS232C port on the Commercial Check
JIG.
2) Press RED Color key on Service remote control.
3) Check the LED of jig board.
3) Check the LED of jig board.
- +12V / +5V LED (OK condition: Turn On)
- IR LED (OK condition: blinking)
- IR LED (OK condition: blinking)
4.2.3. Check the power out & IR out - mini jig
1) Connect mini jig on RS232c port.
2) Press RED Color key on Service remote control.
3) Check the LED of mini jig.
2) Press RED Color key on Service remote control.
3) Check the LED of mini jig.
4.3. Pro:Idiom
1) Connect the RF Cable.
2) Turn to the Pro:Idiom channel (No. 333).
3) Check the video & sound.
** Only displayed at “POWER ONLY” mode
2) Turn to the Pro:Idiom channel (No. 333).
3) Check the video & sound.
** Only displayed at “POWER ONLY” mode
4.4. Front LED Clock
1) Check the LED Clock in Power only mode.
Button of Vol. control
Waveform of Oscilloscope
UP(+)
DOWN(-)
Recommended Input Signal
: RF, 1 KHz, Sine wave
: RF, 1 KHz, Sine wave
5. Manual Adjustment
5.1. ADC Adjustment
5.1.1. Overview
ADC adjustment is needed to find the optimum black level and
gain in Analog-to-Digital device and to compensate RGB
deviation.
gain in Analog-to-Digital device and to compensate RGB
deviation.
5.1.2. Equipment & Condition
(1) Adjustment remote coontrol
(2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
(2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
- Resolution :
480i, Comp1 (MSPG-925FA: Model-209, Pattern-65)
1080p Comp1 (MSPG-925FA: Model: 225, Pattern-65)’
1080p RGB (MSPG-925FA: Model-225, Pattern-65)
1080p Comp1 (MSPG-925FA: Model: 225, Pattern-65)’
1080p RGB (MSPG-925FA: 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
(3) Must use standard cable
5.1.3. Adjust method
(1) ADC 480i/1080p Comp1, RGB
1) Check connected condition of Comp1 cable to the
equipment.
2) Give a 480i, Horizontal 100% Color Bar Pattern to
Comp1.(MSPG-925FA -> Model: 209, Pattern: 65)
3) Change input mode as Component1 and picture mode
as “Standard”.
4) Press the In-start Key on the ADJ remote control after at
least 1 min of signal reception. Then, select ‘7. External
ADC’. And press OK or Right key for going to sub menu.
ADC’. And press OK or Right key for going to sub menu.
5) Press OK in Comp 480i menu.
6) Give a 1080p Mode, Horizontal 100% Color Bar Pattern
6) Give a 1080p Mode, Horizontal 100% Color Bar Pattern
to Comp1. (MSPG-925A -> Model: 225, Pattern: 65)
7) Press OK in Comp 1080p menu.
8) Press OK in RGB menu.
9) If ADC Comp is successful, “ADC Component Success”
8) Press OK in RGB menu.
9) If ADC Comp is successful, “ADC Component Success”
is displayed.
If ADC calibration is failure, “ADC Component Fail” is
displayed.
displayed.
10) If ADC calibration is failure, after recheck ADC pattern
or condition, retry calibration
11) If ADC RGB is successful, “ADC RGB Success” is
displayed. If ADC calibration is failure, “ADC RGB Fail”
is displayed.
is displayed.
12) If ADC calibration is failure, after recheck ADC pattern
or condition, retry calibration Error message refer to 5).
5.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
(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”.
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
(2) Equipment
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
- Adjustment remote control
(3) Download method
1) Press ADJ key on the Adjustment remote control
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
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 download.
<Caution>
When EDID Download, must remove RGB/HDMI Cable.
When EDID Download, must remove RGB/HDMI Cable.
(4) EDID DATA
A
HDMI
A
RGB
- 10 -
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 00
FF
FF
FF
FF
FF
FF
00
1E
6D
ⓐ
ⓑ
0x01
ⓒ
01
03
80
10
09
78
0A
EE
91
A3
54
4C
99
26
0x02 0F
50
54
A1
08
00
71
4F
81
80
01
01
01
01
01
01
0x03 01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
0x04 45
00
A0
5A
00
00
00
1E
01
1D
00
72
51
D0
1E
20
0x05 6E
28
55
00
A0
5A
00
00
00
1E
00
00
00
FD
00
3A
0x06 3E
1E
53
10
00
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
01
ⓔ
0x00 02
03
26
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
0x01 22
15
01
26
15
07
50
09
57
07
67
ⓕ
0x02
ⓕ
E3
05
03
01
01
1D
80
18
71
1C
16
20
58
2C
0x03 25
00
A0
5A
00
00
00
9E
01
1D
00
80
51
D0
1A
20
0x04 6E
88
55
00
A0
5A
00
00
00
1A
02
3A
80
18
71
38
0x05 2D
40
58
2C
45
00
A0
5A
00
00
00
1E
66
21
50
B0
0x06 51
00
1B
30
40
70
36
00
A0
5A
00
00
00
1E
00
00
0x07 00
00
00
00
00
00
00
00
00
00
00
00
00
00
01
ⓔ2
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00 00
FF
FF
FF
FF
FF
FF
00
1E
6D
ⓐ
ⓑ
0x01
ⓒ
01
03
68
10
09
78
0A
EE
91
A3
54
4C
99
26
0x02 0F
50
54
A1
08
00
81
80
61
40
45
40
31
40
01
01
0x03 01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
0x04 45
00
A0
5A
00
00
00
1E
01
1D
00
72
51
D0
1E
20
0x05 6E
28
55
00
A0
5A
00
00
00
1E
00
00
00
FD
00
3A
0x06 3E
1E
53
10
00
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
00
ⓔ3
- 11 -
* Address 10/11 and 7F means Manufacture Week and
Checksum. So this data will be change.
A
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
,
ⓕ
)
ⓐ
Product ID
ⓑ
Serial No. : Controlled on product line
ⓒ
Month, Year: Controlled on production line:
ex) Monthly : ‘01’ -> ‘01’
Year : ‘2010’ -> ‘14’
ⓓ
Model Name(Hex):
ⓔ
Checksum: Changeable by total EDID data.
ⓕ
Vendor Specific(HDMI)_FHD Model
5.3. White Balance Adjustment
5.3.1. Overview
(1) W/B adj. Objective & How-it-works
(2) Objective: To reduce each Panel’s W/B deviation
(3) How-it-works : When R/G/B gain in the OSD is at 192, it
(2) Objective: To reduce each Panel’s W/B deviation
(3) How-it-works : When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range. In order to
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
(4) Adj. condition : normal temperature
1) Surrounding Temperature : 25 ºC ± 5 ºC
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
5.3.2. Equipment
1) Color Analyzer: CA-210 (CCFL/EEFL -> CH 9)
2) Adj. computer(During auto adj., RS-232C protocol is needed)
3) Adjustment remote control
4) Video Signal Generator MSPG-925F 720p/216-Gray
2) Adj. computer(During auto adj., RS-232C protocol is needed)
3) Adjustment remote control
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
-> Only when internal pattern is not available
A
Color Analyzer Matrix should be calibrated using CS-1000.
5.3.3. Equipment connection MAP
5.3.4. Adj. Command (Protocol)
A
RS-232C Command used during auto-adj.
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
*(wb 00 20(Start), wb 00 2f(completed)) -> Off-set adj.
wb 00 ff -> End white balance auto-adj.
A
Adj. Map
5.3.5. Adj. method
(1) Auto adj. method
1) Set TV in adj. mode using POWER ON key.
2) Zero calibrate probe then place it on the center of the
2) Zero calibrate probe then place it on the center of the
Display.
3) Connect Cable (RS-232C).
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sign), check adj. status pre
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sign), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj..
A
W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
finish as end command “wb 00 ff”, and Adj. offset if need.
Model Name
HEX
EDID Table
DDC Function
FHD Model
0001
01 00
Analog
0001
01 00
Digital
MODEL
MODEL NAME(HEX)
LG TV
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT
MODEL NAME(HEX)
HDMI1
67 03 0C 00 10 00 B8 2D
HDMI2
67 03 0C 00 20 00 B8 2D
FHD
ⓔ
1
ⓔ
2
ⓔ
3
HDMI1
D7
11
X
HDMI2
D7
01
X
RGB
X
X
1D
Co lo r An alyzer
Co m p ut er
Pat t ern Gen erat o r
RS -232C
RS -232C
RS -232C
Probe
Signal Source
* If TV internal pattern is used, not needed
RS-232C COMMAND
Explanation
[CMD
ID
DATA]
wb
00
00
Begin White Balance adj.
wb
00
10
Gain adj.(internal white pattern)
wb
00
1f
Gain adj. completed
wb
00
20
Offset adj.(internal white pattern)
wb
00
2f
Offset adj. completed
wb
00
ff
ITEM
Command
Data Range
Default
(Hex.)
(Decimal)
Cmd 1
Cmd 2
Min
Max
Cool
R-Gain
j
g
00
C0
G-Gain
j
h
00
C0
B-Gain
j
i
00
C0
R-Cut
G-Cut
B-Cut
Medium
R-Gain
j
a
00
C0
G-Gain
j
b
00
C0
B-Gain
j
c
00
C0
R-Cut
G-Cut
B-Cut
Warm
R-Gain
j
d
00
C0
G-Gain
j
e
00
C0
B-Gain
j
f
00
C0
R-Cut
G-Cut
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