LG 26LC45 / 26LC46 / 26LC4D (CHASSIS:LD73A) Service Manual ▷ View online
- 9 -
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
1.
720X400
31.468
70.08
28.321
2.
640X480
31.469
59.94
25.17
VESA
37.684
75.00
31.50
3.
800X600
37.879
60.31
40.00
VESA
46.875
75.00
49.50
4.
832X624
49.725
74.55
57.283
5.
1024X768
48.363
60.00
65.00
VESA(XGA)
56.470
70.00
75.00
60.123
75.029
78.75
6.
1280X768
47.776
59.870
79.50
VESA(WXGA)
7.
1360X768
47.720
59.799
84.75
VESA(WXGA)
8.
1366X768
47.720
59.799
84.75
Supported
9.
1920X1080
67.50
60.00
148.50
8. HDMI INPUT Mode Table
- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the LD73A chassis
manufactured at LG TV Plant all over the world.
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
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
3) The adjustment must be performed at 25±5°C temperature
and 65±10% relative humidity if there is no specified
designation.
designation.
4) The input voltage of the receiver must be kept between
100-220V~, 50/60Hz.
5) Before adjustment, execute Heat-Run for 30 minutes at RF
no signal.
3. Channel Memory
3.1. Setting up the LGIDS
1) Install the LGIDS
2) After installation, restart your PC.
3) Extract [files.zip] to folder [c:\LGIDS\files]
4) Start LGIDS.
2) After installation, restart your PC.
3) Extract [files.zip] to folder [c:\LGIDS\files]
4) Start LGIDS.
3.2 Channel memory method
1) Press TILT key in Adjust remocon(Automatic setting).
2) Setting up like bottom figure
2) Setting up like bottom figure
[Confirmation: Press ADJ Key in the Adjust remote control.
Select "System Control2" by using
Select "System Control2" by using
D
/
E
(CH+/-) key, and
press
A
(ENTER). RS-232 Host : Gprobe, Baud Rate :
115200bps, Download:Cortez]
3) Connect RS232 cable .(Use the general RS-232C Twisted
Serial Cable).
4) Operate LGIDS
5) Select "Hurricane" and "ALL" on Model dialog and check
5) Select "Hurricane" and "ALL" on Model dialog and check
your connection in Communication dialog.
(If your connection is ‘NG’, then set your
PORT(COM1,2,3,…) correctly. If your connection has
completed, you can see “Ready”)
(If your connection is ‘NG’, then set your
PORT(COM1,2,3,…) correctly. If your connection has
completed, you can see “Ready”)
6) Select proper CH_memory file(*.nvm) for each model at
[Channel Download] => [Write Batch].
Next, select proper binary file(*.bin) including the CH
information for each model at
[Channel Download] => [NVRAM File].
Next, select proper binary file(*.bin) including the CH
information for each model at
[Channel Download] => [NVRAM File].
7) Click the [Download] button.
It means the completion of the CH memory download if all
items show 'OK' and Status is changed by 'PASS' at the
lower right corner of the window.
items show 'OK' and Status is changed by 'PASS' at the
lower right corner of the window.
- 11 -
4. EDID
* Caution
1) Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital 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
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2 separately because HDMI1 is
different from HDMI2.
4.1. EDID Data
4.2. Data
(1) ANALOG (128 bytes)
(2) HDMI 1 (256 bytes)=>
=> Detail EDID Options are below (a, b, c, d, e-1, e-2, f-1, f-2)
(3) HDMI 2 (256 bytes)
=> Detail EDID Options are below (a, b, c, d, e-1, e-2, f-1, f-2)
(a) Product ID
(b) Serial No: Controlled on production line.
(c) Month, Year: Controlled on production line:
(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-1, e-2, f-1, f-2) Checksum: Changeable by total EDID data.
Item
Manufacurer 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 ro HDMI
For HDMI EDID
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
0x01
1
3
1
46
27
78
EA
D9
B0
A3
57
49
9C
25
0x02 11
49
4B
A5
6E
0
31
40
45
40
61
40
D1
C0
1
1
0x03
1
1
1
1
1
1
1B
21
50
A0
51
0
1E
30
48
88
0x04 35
0
BC
86
21
0
0
1C
26
36
80
A0
70
38
1F
40
0x05 50
20
85
4
BC
86
21
0
0
18
0x06
0
0
0
FD
0x07
0
3C
4B
1D
43
0E
0
0A
20
20
20
20
20
20
0
-1
For Analog EDID
Dait(Hex)
000000FC0032364C4334442D5A410A202020
000000FC0032364C4337442D5A410A202020
000000FC0033374C4334442D5A410A202020
000000FC0033324C4337442D5A410A202020
000000FC0033374C4334442D5A410A202020
000000FC0033374C4337442D5A410A202020
000000FC0034324C4334442D5A410A202020
000000FC0034324C4337442D5A410A202020
Nome di modello
26LC4D-ZA
26LC7D-ZA
32LC4D-ZA
32LC7D-ZA
37LC4D-ZA
37LC7D-ZA
42LC4D-ZA
42LC7D-ZA
Nome di modello
-1(Hex)
-2(Hex)
-1(Hex)
-2(Hex)
26LC4D
90
CF
CC
BC
26LC7D
8D
CC
CC
BC
32LC4D
93
D2
CC
BC
32LC7D
90
CF
CC
BC
37LC4D
8E
CD
CC
BC
37LC7D
8B
CA
CC
BC
42LC4D
92
D1
CC
BC
42LC7D
8F
CE
CC
BC
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
0x01
1
3
80
46
27
78
EA
D9
B0
A3
57
49
9C
25
0x02 11
49
4B
A5
6E
0
31
40
45
40
61
40
D1
C0
1
1
0x03
1
1
1
1
1
1
2
3A
80
18
71
38
2D
40
58
2C
0x04 45
0
C4
8E
21
0
0
1E
1B
21
50
A0
51
0
1E
30
0x05 48
88
35
0
BC
86
21
0
0
1C
0x06
0
0
0
FD
0x07
0
32
4B
1C
43
0F
0
0A
20
20
20
20
20
20
1
-2
0x00
2
3
21
F1
4E
2
11
1
3
12
13
4
14
5
21
1F
0x01 20
22
10
23
9
7
7
83
1
0
0
65
3
0C
0
10
0x02
0
1
1D
0
BC
52
D0
1E
20
B8
28
55
40
C4
8E
21
0x03
0
0
1E
1
1D
0
72
51
D0
1E
20
6E
28
55
0
C4
0x04 8E
21
0
0
1E
1
1D
80
D0
72
1C
16
20
10
2C
25
0x05 80
C4
8E
21
0
0
9E
8C
0A
D0
90
20
40
31
20
0C
0x06 40
55
0
C4
8E
21
0
0
18
4E
1F
0
80
51
0
1E
0x07 30
40
80
37
0
BC
88
21
0
0
18
0
0
0
0
-1
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
0x01
1
3
80
46
27
78
EA
D9
B0
A3
57
49
9C
25
0x02 11
49
4B
A5
6E
0
31
40
45
40
61
40
D1
C0
1
1
0x03
1
1
1
1
1
1
2
3A
80
18
71
38
2D
40
58
2C
0x04 45
0
C4
8E
21
0
0
1E
1B
21
50
A0
51
0
1E
30
0x05 48
88
35
0
BC
86
21
0
0
1C
0x06
0
0
0
FD
0x07
0
32
4B
1C
43
0F
0
0A
20
20
20
20
20
20
1
-2
0x00
2
3
21
F1
4E
2
11
1
3
12
13
4
14
5
21
1F
0x01 20
22
10
23
9
7
7
83
1
0
0
65
3
0C
0
10
0x02
0
1
1D
0
BC
52
D0
1E
20
B8
28
55
40
C4
8E
21
0x03
0
0
1E
1
1D
0
72
51
D0
1E
20
6E
28
55
0
C4
0x04 8E
21
0
0
1E
1
1D
80
D0
72
1C
16
20
10
2C
25
0x05 80
C4
8E
21
0
0
9E
8C
0A
D0
90
20
40
31
20
0C
0x06 40
55
0
C4
8E
21
0
0
18
4E
1F
0
80
51
0
1E
0x07 30
40
80
37
0
BC
88
21
0
0
18
0
0
0
0
-2
* Before AV ADC Calibration, should be executed the “Tool option 1”
5. Select method of Tool option 1
1) Press ADJ Key in the Adjust remote control.
2) Select “Tool option 1” by using
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.
(Inch of model : 26”, 32”, 37”, 42”, Applied module under the
classification)
classification)
6. ADC Calibration
<Caution>
- System control RS-232 Host should be “PC” for adjustment.
- Before AV ADC Calibration, execute the “Module selection”.
- System control RS-232 Host should be “PC” for adjustment.
- Before AV ADC Calibration, execute the “Module selection”.
6.1. Adjustment of RF/AV/S-VIDEO
(1) Required Equipments
- Remote controller for adjustment
- MSPG-925FS Pattern Generator (Which has Video
- MSPG-925FS Pattern Generator (Which has Video
Signal: 7 Color Bar Pattern shown in Fig. 1)
=> Model: 202 / Pattern: 65
=> 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 IN-START key on R/C for adjustment.
4) Press the
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press IN-START key on R/C for adjustment.
4) Press the
G
(Vol.+) key to operate the set, then it
becomes automatically.
5) Auto-RGB OK means the adjustment is completed.
6.2 Adjustment of Component.
(1) Required Equipments
- Remote controller for adjustment
- MSPG-925FS Pattern Generator (Which has 720p/60Hz
- MSPG-925FS Pattern Generator (Which has 720p/60Hz
YPbPr output Pattern shown in Fig. 1 )
=> Model:215/Pattern: 65
=> 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 IN-START key on R/C for adjustment.
4) Press the
3) Press the IN-START key on R/C for adjustment.
4) Press the
G
(Vol.+) key to operate the set , then it
becomes automatically.
5) Auto-RGB OK means the adjustment is completed.
- 12 -
ADC
RF/AV/S-VIDEO
Component
RGB-PC
MSPG925F
PALJ
Model:215 (720P)
Model: 3
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
Creatore
Pollice
Attrezzo
0
LPL
26
LD4D
64
LD7D
2
CMO
LD4D
66
LD7D
4
LPL
32
LD4D
68
LD7D
8
LPL
37
LD4D
72
LD7D
12
LPL
42
LD4D
76
LD7D
<Fig. 1>
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