LG 19LD320 / 19LD320N (CHASSIS:LD91A) Service Manual ▷ View online
4) Updating is staring.
5) Fishing the version uploading, you have to put USB stick
and “AC Power” off.
6) After putting “AC Power” on and check updated version on
your TV.
* If downloading version is more high than your TV have,
TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
* After downloading, have to adjust Tool Option again.
1) Push "IN-START" key in service remote controller
2) Select “Tool Option 1” and push “OK” button.
3) Punch in the number. (Each model hax their number)
4) Completed selecting Tool option.
2) Select “Tool Option 1” and push “OK” button.
3) Punch in the number. (Each model hax their number)
4) Completed selecting Tool option.
3.1. ADC Process
(1) ADC
• Input signal : Component 480i
• Signal equipment displays.
• Signal equipment displays.
- Component 480I
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)
PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)
G
” key at “5. ADC
Calibration”
<Caution> Using ‘power on’ button of the Adjustment R/C ,
power on TV.
* ADC Calibration Protocol (RS232)
Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
3.2 Function Check
(1) Check display and sound
· Check Input and Signal items. (cf. work instructions)
1. TV
2. AV (SCART1/SCART2/ CVBS)
3. COMPONENT (480i)
4. RGB (PC : 1024 x 768 @ 60 Hz)
5. HDMI
6. PC Audio In
1. TV
2. AV (SCART1/SCART2/ CVBS)
3. COMPONENT (480i)
4. RGB (PC : 1024 x 768 @ 60 Hz)
5. HDMI
6. PC Audio In
* Display and sound check is executed by Remote control.
- 9 -
Item CMD1 CMD2
Data0
Adjust
A
A
0
0 When transfer the ‘Mode In’,
‘Mode In’
Carry the command.
ADC Adjust
A
D
1
0 Automatically adjustment
(The use of a internal pattern)
Adjustment pattern
4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (85IRE)
· Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust 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 R/C POWER ON ->
Enter the mode of White-Balance, the pattern will come out
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C 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 (CA-210) to the module
less than 10 cm distance, keep it with the surface of the
Module and Color Analyzer’s prove vertically.(80° ~ 100°).
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 15minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others,
check the back light on.
• Auto adjustment Map(RS-232C)
** 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)
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 “
• Enter White Balance by pushing “
G
” key at “3. White
Balance”.
* After done all adjustments, Press “In-start” button 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.
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.
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
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert
* For SVC main Ass’y, 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
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert
* For SVC main Ass’y, 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
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- 10 -
Cool 9,300
ºK
X=0.285(±0.002)
Y=0.293(±0.002)
<Test Signal>
Medium
8,000
ºK
X=0.295(±0.002)
Inner pattern
Y=0.305(±0.002)
(216gray,85IRE)
Warm
6,500
ºK
X=0.313(±0.002)
Y=0.329(±0.002)
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
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
255
G Gain
jh
Jb
je
00
172
192
192
255
B Gain
ji
Jc
jf
00
192
192
172
255
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
- Auto Download
• After enter Service Mode by pushing “ADJ” key,
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
* 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
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing
- Download HDMI1, HDMI2, separately because HDMI1
- Digital EDID : Pin3 exists
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing
- Download HDMI1, HDMI2, separately because HDMI1
is different from HDMI3
1) Analog Data 128Byte (2Bi)
2) DIGITAL DATA(HDMI-1/2/3/4) 256Byte
* Detail EDID Options are below
ⓐ Product ID
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : ‘09’ -> ‘09’
Year : ‘2006’ -> ‘10’
ⓓ 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
HD Model
0000
00 00
Analog/Digital
- 11 -
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
No.
Item Condition Hex
Data
1 ManufacturerID
GSM
1E6D
2
Version
Digital : 1
01
3
Revision
Digital : 3
03
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0 0
00
F F
F F
F F
F F
F F
F F
00
1E
6D
a
b
1 0
c
01
03
80
73
41
78
0A
C F
74
A3
57
4C
B0
23
2 0
09
48
4C
A1
08
00
81
C0
61
40
45
40
31
40
01
01
3 0
01
01
01
01
01
01
66
21
50
B0
51
00
1B
30
40
70
4 0
36
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
5 0
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
3A
6 0
3E
1F
46
10
00
0A
20
20
20
20
20
20
d
7 0
d
01
e
8 0
02
03
20
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
9 0
22
15
01
26
15
07
50
09
57
07
f
A 0
f
80
18
71
1C
16
20
58
2C
25
00
7E
8A
42
00
B0
00
9E
01
1D
00
80
51
D0
0C
20
40
80
35
00
7E
8A
C0
42
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
00
D0
7E
8A
42
00
00
18
02
3A
80
18
71
38
2D
40
58
2C
E0
45
00
7E
8A
42
00
00
1E
01
1D
80
D0
72
1C
16
20
F0
10
2C
25
80
7E
8A
42
00
00
9E
00
00
00
00
00
D5
MODEL
MODEL NAME(HEX)
all
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT
MODEL NAME(HEX)
HDMI1 67030C001000011D
HDMI2 67030C002000011D
HDMI3 67030C003000011D
Item CMD1 CMD2 Data0
Download
A
A
0
0 When transfer the ‘Mode In’,
‘Mode In’
Carry the command.
Download
A
E
00 10 Automatically Download
(The use of a internal pattern)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0 0
00
F F
F F
F F
F F
F F
F F
00
1E
6D
a
b
1 0
c
01
03
80
73
41
78
0A
C F
74
A3
57
4C
B0
23
2 0
09
48
4C
A1
08
00
81
C0
61
40
45
40
31
40
01
01
3 0
01
01
01
01
01
01
66
21
50
B0
51
00
1B
30
40
70
4 0
36
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
5 0
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
3A
6 0
3E
1F
46
10
00
0A
20
20
20
20
20
20
d
7 0
d
01
e
8 0
02
03
20
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
9 0
22
15
01
26
15
07
50
09
57
07
f
A 0
f
80
18
71
1C
16
20
58
2C
25
00
7E
8A
42
00
B0
00
9E
01
1D
00
80
51
D0
0C
20
40
80
35
00
7E
8A
C0
42
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
00
D0
7E
8A
42
00
00
18
02
3A
80
18
71
38
2D
40
58
2C
E0
45
00
7E
8A
42
00
00
1E
01
1D
80
D0
72
1C
16
20
F0
10
2C
25
80
7E
8A
42
00
00
9E
00
00
00
00
00
D5
- 12 -
4.5. V-COM Adjust(Only 37/42/47LH4000-ZA)
- Why need Vcom adjustment?
A
The Vcom (Common Voltage) is a Reference Voltage of
Liquid Crystal Driving.
Liquid Crystal Driving.
-> Liquid Crystal need for Polarity Change with every frame.
- Adjust sequence
· After enter Service Mode by pushing “ADJ” key.
· Enter V-Com Adjust mode by pushing “
· Enter V-Com Adjust mode by pushing “
G
” key at “10. V-
Com”
· As pushing the right or the left button on the remote
controller, Find the V-COM value that is stopped the Flicker.
· If there is no flicker at default value, turn down or turn up at
least 20 step and check the flicker. Then go to the default
value.
value.
· Push the store button by “OK” key in the ADJ remocon.
4.6. 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)
Confirm whether is normal or not when between power
board's ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second
board's ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second
5. Serial number D/L
• press “Power on” key of service remocon.
(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 Diagnostics of SET UP
• Write Serial number by use RS-232.
• Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
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
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
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
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.
by D-book 4.0.
CMD
LENGTH
ADH
ADL
DATA_1
. . .
Data_n
CS
DELAY
No. Adjust
mode
CMD(hex)
LENGTH(hex)
Description
1
EEPROM WRITE
A0h
84h+n
n-bytes Write (n = 1~16)
Row Li ne
Column Line
C
LC
C
ST
Pane l
S
Y
S
T
E
M
Gat
e
Driv
e
IC
So urce D r i v e I C
Circuit Block
Ti m i n g
Co nt r o ll e r
Co nt r o ll e r
Po w e r
Blo ck
Blo ck
V
COM
Ga mma
Re f e r e nce V o ltage
Re f e r e nce V o ltage
Gamm a Reference
Volta ge
Volta ge
Data (R ,G,B ) & C ont ro l s ignal
Con t rol si gnal
Data (R ,G,B ) &
Con t rol si gnal
Con t rol si gnal
In
te
te
rf
a
c
e
TFT
Po w e r I n p u t
Power Input
Da t a I n p u t
Da t a I n p u t
V
COM
Liquid
Crys tal
Crys tal
V
COM
(Visual Adjust and control the Voltage level)
Click on the first or last page to see other 19LD320 / 19LD320N (CHASSIS:LD91A) service manuals if exist.