DOWNLOAD LG 37LV355H-TA (CHASSIS:LB0AZ) Service Manual ↓ Size: 9.81 MB | Pages: 61 in PDF or view online for FREE

Model
37LV355H-TA (CHASSIS:LB0AZ)
Pages
61
Size
9.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lv355h-ta-chassis-lb0az.pdf
Date

LG 37LV355H-TA (CHASSIS:LB0AZ) Service Manual ▷ View online

4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210
: CCFL/EEFL -> CH9, Test signal: Inner pattern(80IRE)
LED -> CH14, Test signal: Inner pattern(80IRE)
· Above 5 minutes H/run in the inner pattern. (“Power on” key
of adjustment remote control)
* Connecting picture of the measuring instrument
(On Automatic control)
Inside Pattern is used when W/B is controlled. Connect to auto
controller or push Adjustment remote control POWER ON ->
Enter the mode of White-Balance, the pattern will come out.
* Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10 lux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10 cm distance, keep it with the surface of the
Module and Color Analyzer’s prove vertically.(80° ~ 100°)
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others,
check the back light on.
• Auto adjustment Map(RS-232C)
RS-232C COMMAND
[CMD
ID DATA]
Wb
00
00
White Balance Start
Wb
00
ff
White Balance End
<Caution>
Color Temperature : COOL, Medium, Warm. 
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
* Manual W/B process using adjusts Remote control.
• After enter Service Mode by pushing “ADJ” key.
• Enter White Balance by pushing “
G
” key at “6. White
Balance”.
* After done all adjustments, Press “In-start” key and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory Jig model.
* Push the “IN STOP” key after completing the function
inspection. And Mechanical Power Switch must be set
“ON”.
4.2. DDC EDID Write (RGB 128Byte )
• Connect D-sub Signal Cable to D-sub Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For Service main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.3. DDC EDID Write (HDMI 256Byte)
• Connect HDMI Signal Cable to HDMI Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For Service main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.4. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***: Year : Controlled
****: Check sum
- 11 -
Cool 13,000
K
X=0.269(±0.002)
Y=0.273(±0.002)
<Test Signal>
Medium
9,300
K
X=0.285(±0.002)
Inner pattern
Y=0.293(±0.002)
(204gray,80IRE)
Warm
6,500
K
X=0.313(±0.002)
Y=0.329(±0.002)
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
RS-232C Communication
CA-210
RS-232C COMMAND MIN
CENTER
MAX
[CMD ID DATA]
(DEFAULT)
Cool
Mid
Warm
Cool
Mid
Warm
R Gain
jg 
Ja 
jd 
00
172 
192 
192
192
G Gain 
jh 
Jb
je 
00
172 
192 
192
192
B Gain 
ji 
Jc 
jf
00
192 
192 
172 
192
R Cut 
64 
64 
64 
128
G Cut 
64 
64 
64 
128
B Cut 
64 
64 
64 
128
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
White Balance
Color Temp.
R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern.
Reset
Cool
172
172
192
64
64
64
ON
To set
4.5. Auto Download
1) After enter Service Mode by pushing “ADJ” key.
2) Enter EDID D/L menu.
3) Enter “START” by pushing “OK” key.
<Caution> Never connect HDMI && D-sub cable when EDID
downloaded.
* Edid data and Model option download (RS232)
- Manual Download
* Caution
1) Use the proper signal cable for EDID Download.
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2, separately because HDMI1 is
different from HDMI2.
1) FHD RGB EDID data
2) FHD HDMI EDID data
* Detail EDID Options are below
ⓐ Product ID
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Week : ‘01’ -> ‘01’
Year : ‘2011’ -> ‘15’ fix
ⓓ Model Name(Hex):
ⓔ Checksum: Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
Model Name
HEX
EDID Table
DDC Function
FHD Model
0001
01 00
Analog/Digital
- 12 -
MODEL
MODEL NAME(HEX)
all
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital : 3
Data(Hex)
1E6D
01
03
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
INPUT
MODEL NAME(HEX)
HDMI1 67030C001000B82D
HDMI2 67030C002000B82D
HDMI3 67030C003000B82D
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
0
ff
ff
ff
ff
ff
ff
0
1e
6d
a
b
10
c
1
3
68
10
9
78
0a
ee
91
a3
54
4c
99
26
20
0f
50
54
a1
8
0
81
80
61
40
45
40
31
40
1
1
30
1
1
1
1
1
1
2
3a
80
18
71
38
2d
40
58
2c
40
45
0
a0
5a
0
0
0
1e
1
1d
0
72
51
d0
1e
20
50
6e
28
55
0
a0
5a
0
0
0
1e
0
0
0
fd
0
3a
60
3e
1e
53
10
0
0a
20
20
20
20
20
20
d
70
d
0
e
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
0
ff
ff
ff
ff
ff
ff
0
1e
6d
a
b
10
c
1
3
80
10
9
78
0a
ee
91
a3
54
4c
99
26
20
0f
50
54
a1
8
0
71
4f
81
80
1
1
1
1
1
1
30
1
1
1
1
1
1
2
3a
80
18
71
38
2d
40
58
2c
40
45
0
a0
5a
0
0
0
1e
1b
21
50
a0
51
0
1e
30
50
48
88
35
0
a0
5a
0
0
0
1c
0
0
0
fd
0
3a
60
3e
1e
53
10
0
0a
20
20
20
20
20
20
d
70
d
1
e
80
2
3
26
f1
4e
10
1f
84
13
5
14
3
2
12
20
21
90
22
15
1
26
15
7
50
9
57
7
f
A0
f
e3
5
3
1
1
1d
80
18
71
1c
16
20
58
2c
B0
25
0
a0
5a
0
0
0
9e
1
1d
0
72
51
d0
1e
20
C0
6e
28
55
0
a0
5a
0
0
0
1e
2
3a
80
18
71
38
D0
2d
40
58
2c
45
0
a0
5a
0
0
0
1e
1
1d
0
bc
E0
52
d0
1e
20
b8
28
55
40
a0
5a
0
0
0
1e
0
0
F0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
e
NO
Item
CMD1 CMD2 Data0
Enter
Download
A
A
0
0
When transfer the ‘Mode In’,
download Mode
‘Mode In’
Carry the command.
EDID data and
Download
A
E
00 10 Automatically Download
Model option
(The use of a internal pattern)
download
EZ ADJUT
0. Tool Option1  
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
EDID D/L
HDMI1
HDMI2
HDMI3
RGB
NG
NG
NG
NG
Reset
Start
EDID D/L
Reset
Start
HDMI1
HDMI2
HDMI3
RGB
OK
OK
OK
OK
- 13 -
5. Model name & Serial number D/L
• Press “Power on” key of service remote control.
(Baud rate : 115200 bps)
• Connect RS232 Signal Cable to RS-232 Jack.
• Write Serial number by use RS-232.
• Must check the serial number at the Product/Service info.
(menu key -> red key -> select product/Service info.)
5.1. Signal TABLE
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +…+ Data_n
Delay : 20ms
5.2. Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
5.3. Method & notice
A. Serial number D/L is using of scan equipment.
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.
* 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.
1) Press the ‘Instart’ key of Adjustment remote control.
2) Go to the menu ‘6.Model Number D/L’ like below photo.
3) Input the Factory model name(ex 32LV2510-TB) or Serial
number like photo.
4) Check the model name Instart menu. -> Factory name
displayed. (ex 32LV2510-TB)
5) Check the Product/Service info..(Menu key -> Red key ->
Select product/Service info)
CMD 
LENGTH
ADH 
ADL 
DATA_1
. . . 
Data_n 
CS 
DELAY 
No. Adjust 
mode 
CMD(hex)
LENGTH(hex)
Description 
EEPROM WRITE 
A0h 
84h+n 
n-bytes Write (n = 1~16) 
- 14 -
BLOCK DIAGRAM
R
G
B
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C
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N
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(C
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R
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