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Model
32LG5600 (CHASSIS:LD85D)
Pages
27
Size
6.27 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lg5600-chassis-ld85d.pdf
Date

LG 32LG5600 (CHASSIS:LD85D) Service Manual ▷ View online

- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the LD85D chassis
manufactured at LG TV Plant all over the world.
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 to
protect test instruments
2) Adjustment must be done in the correct sequence.
3) The adjustment must be performed at 25±5°C temperature
and 65±10% relative humidity if there is no specified
designation.
4) The input voltage of the receiver must be kept between
100-220V~, 50/60Hz.
5) Before adjustment, execute Heat-Run for 5 minutes at RF
no signal.
3. Channel Memory
1) Press ADJ key in Adjust remote control.
2) Select “Channel Recover” by using 
D
/
E
(CH+/-) key, and
press 
G
(VOL+).
3) When Channel Recover is completed, set will be turned off
and LED light go to stand-by mode.
* Before AV ADC Calibration, should be executed the “Tool option 1”
4. Select method of Tool option 1
1) Press ADJ Key in the Adjust remote control.
2) Select “Tool option 1” by using 
D
/
E
(CH+/-) key, and press
A
(ENTER).
3) Select “Maker” by using 
D
/
E
(CH+/-) key, and change the
module maker and. applied module classification by using
F
/
G
(VOL+/-).
4) Select “Inch” by using 
D
/
E
(CH+/-) key, and change the
module according to the inch of model.
5) Select “Tool” by using 
D
/
E
(CH+/-) key, and change the
tool name according to the model. (Vitiaz3 : 1, Other : 0)
(Inch of model : 32”, 37”, 42”, Applied module under the
classification)
6) After changing the Tool option1, push the EXIT key.
5. Substrate ADC Calibration
* Press EXIT Key to delete Installation Guide before PCB
assembly adjustment. And then press FRONT-AV Key on
Adjustment remote controller.
(RS-232C Host change : G-Probe => PC. Input change : AV3)
5.1. ADC Calibration Mode
(1) Adjustment of RF/AV
Model : 202 / Pattern : 65
(2) Adjustment of Component.
Model : 215/ Pattern : 65
(3) Adjustment of RGB
Model : 3/ Pattern : 65
5.2. ADC Calibration Protocol [RS-232C]
- If ADC calibration don’t adjust at PCB assembly, ADC
calibration adjust at Final assembly line.
- Don’t press the INSTOP KEY after completing the function
inspection.
<Fig. 1>
Model Name
32LG5500
Tool Option 1
35534
Maker
CMO
Inch
32
Tool
LG5500
Item
CMD1 CMD2
Data0
Remark
ADC adjust ADC Adjust
a
d
1
0
Data Read ADC Parameter
a
d
2
0
18Byte Transmission(Main diaplay)
(Main Display)
: Main Display Input & Resolution Data
ADC Parameter
a
d
2
1
18Byte Transmission (Sub Display)
(Sub Display)
: Main Display Input & Resolution Data
Digital Data
a
d
3
0
(Main Display)
Digital Data
a
d
3
1
(Sub Display)
Default ADC 
Parameter
Write
(Mean)
a
d
4
0
Adjustment 
a
d
9
9
Use to check ADC at Final assembly 
Confirmation
WB working process.
Adjustment Adjustment 
a
d
0
0
When transmitting adjustment Mode
Mode
Mode In
In command, adjustment command
is operated.
Adjustment a
d
9
0
Mode Out
A
Baud Rate : 115,200 bps
A
RS232C Host : PC
A
Echo : Nothing
- 11 -
6. EDID
* 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.
6.1. EDID Data
6.2. Data
(1) ANALOG (128 bytes)
(2) HDMI 1 (256 bytes)
=> Detail EDID Options are below (a, b, c, d, e, f)
(a) Product ID
(b) Serial No:  Controlled on production line.
(c) Month, Year: Controlled on production line:
ex) Monthly : ‘09’ -> ‘09’ 
Year      : ‘2006’ -> ‘10’
(d) Model Name(Hex): 
(e) Checksum: Changeable by total EDID data.
(f) Vendor Specific(HDMI)
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
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
a
b
0x01
c
01
03
08
46
27
78
EA
D9
B0
A3
57
49
9C
25
0x02 11
49
4B
A5
6E
00
31
40
45
40
61
40
81
80
90
40
(D1) (C0) (01) (01)
0x03 D1
C0
01
01
01
01
1A
36
80
A0
70
38
1F
40
30
20
(01) (01)
(1B) (21) (50) (A0) (51) (00) (1E) (30) (48) (88)
0x04 35
00
E8
26
32
00
00
1A
DA
2F
78
E0
51
1A
25
40
(BC) (86) (21)
(1C) (26) (36) (80) (A0) (70) (38) (1F) (40)
0x05 58
98
14
00
E8
26
32
00
00
1A
00
00
00
FD
00
39
(50) (20) (85) (00) (BC) (86) (21)
(18) (00) (00) (00) (FC) (00) (33)
0x06 4B
1F
54
12
00
0A
20
20
20
20
20
20
d
(32) (4C) (47) (35) (35) (30) (30) (0A)
0x07
d
00
e
For Analog EDID
INPUT
MODEL NAME(HEX)
HDMI1
67030C001000B82D
HDMI2
67030C002000B82D
HDMI3
67030C003000B82D
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
a
b
0x01
c
01
03
80
46
27
78
EA
D9
B0
A3
57
49
9C
25
0x02 11
49
4B
A5
6E
00
31
40
45
40
61
40
81
80
90
40
(D1) (C0) (01) (01)
0x03 A9
40
D1
C0
01
01
1A
36
80
A0
70
38
1F
40
30
20
(01) (01) (01) (01)
(02) (3A) (80) (18) (71) (38) (2D) (40) (58) (2C)
0x04 35
00
E8
26
32
00
00
1A
1B
21
50
A0
51
00
1E
30
(45) (00) (C4) (8E) (21) (00) (00) (1E)
0x05 48
88
35
00
BC
86
21
00
00
1C
00
00
00
FD
00
39
(00) (00) (00) (FC) (00) (33)
0x06 4B
1F
54
12
00
0A
20
20
20
20
20
20
d
(32) (4C) (47) (35) (35) (30) (30) (0A)
0x07
d
01
e
0x00 02
03
23
F1
4E
81
02
03
15
12
13
04
14
05
20
21
(21)
(02) (11) (01) (03)
(21) (1F)
0x01 22
1F
10
23
09
07
07
83
01
00
00
f
(20) (22)
0x02
f
01
1D
00
80
51
D0
1C
20
40
80
35
00
BC
(00) (BC) (52) (D0) (1E) (20) (B8) (28) (55) (40) (C4) (8E) (21)
0x03 88
21
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
(00) (00) (1E) (01) (1D) (00) (72) (51) (D0) (1E) (20) (6E) (28) (55) (00) (C4)
0x04 00
13
8E
21
00
00
18
02
3A
80
18
71
38
2D
40
58
(8E) (21) (00) (00) (1E) (01) (1D) (80) (D0) (72) (1C) (16) (20) (10) (2C) (25)
0x05 2C
45
00
06
44
21
00
00
1E
01
1D
80
18
71
1C
16
(80) (C4) (8E) (21) (00) (00) (9E) (8C) (0A) (D0) (90) (20) (40) (31) (20) (0C)
0x06 20
58
2C
25
00
C4
8E
21
00
00
9E
4E
1F
00
80
51
(40) (55) (00) (C4) (8E) (21) (00) (00) (18) (4E) (1F) (00) (80) (51) (00) (1E)
0x07 00
1E
30
40
80
37
00
BC
88
21
00
00
18
00
00
e
(30) (40) (80) (37) (00) (BC) (88) (21) (00) (00) (18)
(00)
7. ADC Calibration
<Caution>
- System control RS-232 Host should be “PC” for adjustment.
- Before AV ADC Calibration, execute the “Module selection”.
7.1. Adjustment of RF/AV/S-VIDEO
(1) Required Equipments
- Remote controller for adjustment
- MSPG-925FS Pattern Generator (Which has Video
Signal: 7 Color Bar Pattern shown in Fig. 1)
=> Model: 202 / Pattern: 65
(2) Method of Auto RF/AV/S-VIDEO Color Balance.
1) Input the Video Signal : 7 Color Bar signal into AV3.
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press ADJ key on R/C for adjustment.
4) Press the 
G
(Vol.+) key to operate the set, then it
becomes automatically.
5) On bottom side of OSD, “AV OK” means the adjustment
is completed.
7.2. Adjustment of Component
(1) Required Equipments
- Remote controller for adjustment
- MSPG-925FS Pattern Generator (Which has 720p/50Hz
YPbPr output Pattern shown in Fig.1)
=> Model:215/Pattern: 65
(2) Method of Auto Component Color Balance
1) Input the Component 720p/50Hz 7 Color Bar(MSPG-
925FS model:215, pattern:65) signal into Component.
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press the ADJ key on R/C for adjustment.
4) Press the 
G
(Vol.+) key to operate the set , then it
becomes automatically.
5) On bottom side of OSD, “Component OK” means the
adjustment is completed.
7.3. Adjustment of RGB
(1) Required Equipments
- Remote controller for adjustment
- MSPG-925F Pattern Generator (Which has XGA
[1024*768] 60Hz 8color bar 100% pattern shown in Fig.1)
(2) Method of Auto RGB Color Balance
1) Input the PC 1024x768@60Hz 100% Color Bar pattern
(MSPG-925F model:65, pattern:60) into RGB. 
(Using D-sub to D-sub cable)
2) Set the PSM to Dynamic mode in Picture menu.
3) Press the IN-START key on R/C for adjustment
4) Press the 
G
(Vol.+) key operate To set , then it becomes
automatically.
5) On bottom side of OSD, “RGB OK” means the
adjustment is completed.
* Before White-balance, the AV ADC should be done.
8. White Balance
* Test Equipment
Color Analyzer (CA-210/CH.9)
-> When you adjust LCD color temperature, on Color
analyzer (CA-210), you should use Channel 9 which is
Matrix compensated (White, Red, Green, Blue revised) by
CS-1000 and adjust in accordance with White balance
adjustment coordinate which is specified on the next.
* Color temperature standards according to CSM and Module
Cool : 11,000k
Medium : 9,300k
Warm : 6,500k
* White balance adjustment coordinate and color temperature
- PC (for communication through RS-232C)
-> UART Baud rate : 115200 bps
- Luminance Y AV : upper 200 cd/m
2
≥ (Typ : 350 cd/m
2
)
-> Applying to Cool, Medium, Warm mode
* Connecting picture of  the measuring instrument (On
Automatic control )
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push control R/C IN-START -> Enter the
mode of White-Balance, the pattern will come out.
* Measurement color analyzer : CS1000 or CA210(CH 9)
- 12 -
ADC
RF/AV/S-VIDEO
Component
RGB-PC
MSPG925FS PALJ
Model:215 (720P)
Model: 60
INPUT SELECT       AV3
Pattern:65
(1024*768 60Hz)
Model: 202 (PAL-BGDHI) * 720P/50Hz 
Pattern: 65
Pattern: 65
7 Color Bar
* PAL 7 Color Bar
Cool
CS-1000
CA-210(CH 9)
x
0.276
0.276±0.002
y
0.283
0.283±0.002
∆uv
0.000
0.000
Medium
CS-1000
CA-210(CH 9)
x
0.285
0.285±0.002
y
0.293
0.293±0.002
∆uv
0.000
0.000
Warm
CS-1000
CA-210(CH 9)
x
0.313
0.313±0.002
y
0.329
0.329±0.002
∆uv
0.004
0.004
<Fig. 2> Connecting picture (On Automatic Control)
- 13 -
* Auto adjustment Map (RS-232C)
* Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2) Adhere closely the Color Analyzer (CA-210) to the module
less than 10cm 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 15 minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others,
check the back light on.
8.1. Auto white Balance
(set:RS-233 Host:PC, Baud Rate:115200bps, Download:Cortez)
: Inside pattern is used when white balance is controlled.
Connect as below figure and click the start button on W/B
execution program. W/B is automatically processing
Cool_Medium_Warm in order. 
When W/B is completed, you can see ‘OK’ on PC monitor.
8.2. Manual white Balance 
- One of R Gain / G Gain / B Gain should be kept on 80, and
others  are controlled lowering from 80 
1) Press ‘power on’ of the control R/C, set heat run to white by
pressing 
G
, and heat run over 15 minutes. (Set : RS-233
Host : PC, Baud Rate : 115200bps, Download : Cortez)
2) Zero Calibrate CA-210, and when controlling, stick the
sensor to the center of LCD module surface.
3) Double click In-start key on Controlling R/C and get in ‘white
balance’.
4) Set test-pattern on and display inside pattern. Control is
carried out on three color temperature, COOL, MEDIUM,
WARM. (Control is carried out three times,)
5) When the R/G/B GAIN is 80 on OSD, it is the FULL
DYNAMIC Range of the Module. In order to control white
balance without the saturation of FULL DYNAMIC Range
and DATA, one of R Gain / G Gain / B Gain should be kept
on 80, and other two is controlled lowering from 80.
* Color Temperature: Cool, Medium, Warm
1) When R GAIN is set to 80
- Control G GAIN and B GAIN by lowering from 80. 
2) When B GAIN is set to 80
- Control R GAIN and G GAIN by lowering from 80.
3) When G GAIN is set to 80
- Control R GAIN and B GAIN by lowering from 80.
One of R Gain / G Gain / B Gain should be kept on 80,
and adjust other two lower than 80.
(When R/G/B GAIN are all 80, it is the FULL DYNAMIC
Range of Module)
9. Set information(Serial No & Model name)
(1) Setting up like bottom figure (After setting white balance,
this is set)
(Setting : Press IN-START key in the Adjust remote control.
Select “System Control 2” by using 
D
/
E
(CH+/-) key, and
press 
A
(ENTER). Using Adjust remote control, RS-232
Host & Baud Rate & Download value change
RS-232 Host:PC, Baud Rate:115200bps, Download:Cortez)
(2) Bar-code scanning
1) Push the menu button in DTV mode. 
Select the SETUP -> Diagnostics -> To set
2) Check the Serial Number.
Type
LD82D
Baud Rate
Data bit
Stop bit
Parity
115200
8
1
None
Index
Cmd 1 Cmd 2 Data Min Value
Max Value
R-Gain_Normal
j
a
00(00)
128(80)
G-Gain_Normal
j
b
00(00)
128(80)
B-Gain_Normal
j
c
00(00)
128(80)
R-Gain_Warm
j
d
00(00)
128(80)
G-Gain_Warm
j
e
00(00)
128(80)
B-Gain_Warm
j
f
00(00)
128(80)
R-Gain_Cool
j
g
00(00)
128(80)
G-Gain_Cool
j
h
00(00)
128(80)
B-Gain_Cool
j
i
00(00)
128(80)
R-Offset_Normal
l
j
00(00)
128(80)
G-Offset_Normal
l
k
00(00)
128(80)
B-Offset_Normal
l
l
00(00)
128(80)
R-Offset_Warm
l
m
00(00)
128(80)
G-Offset_Warm
l
n
00(00)
128(80)
B-Offset_Warm
l
o
00(00)
128(80)
R-Offset_Cool
l
p
00(00)
128(80)
G-Offset_Cool
l
q
00(00)
128(80)
B-Offset_Cool
l
r
00(00)
128(80)
w
b
00
Starting W/B ADJ
w
b
10
Using internal Pattern
w
b
ff
Ending W/B ADJ
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