LG 47LB9R (CHASSIS:LP7AB) Service Manual ▷ View online
- 9 -
9. Component Video Input (Y, P
B
, P
R
)
10. RGB Input ( PC )
No
Resolution
H-freq (kHZ)
V-freq (Hz)
Pixel clock (MHz)
Proposed
1.
720*400
31,469
70,08
28,32
DOS
2.
640*480
31,469
59,94
25,17
VESA(VGA)
3.
800*600
37,879
60,31
40,00
VESA(SVGA)
4.
1024*768
48,363
60,00
65,00
VESA(XGA)
5.
1280*768
47,776
59,870
79,50
VESA(WXGA)
6.
1360*768
47,720
59,799
84,75
VESA(WXGA)
7.
1366*768
47,700
60,00
84,62
VESA(WXGA)
11. HDMI Input ( PC )
No
Resolution
H-freq (kHZ)
V-freq (Hz)
Pixel clock (MHz)
Proposed
1.
720*400
31,469
70,08
28,32
DOS
2.
640*480
31,469
59,94
25,17
VESA(VGA)
3.
800*600
37,879
60,31
40,00
VESA(SVGA)
4.
1024*768
48,363
60,00
65,00
VESA(XGA)
5.
1280*768
47.776
59.870
79.50
VESA(WXGA)
6.
1360*768
47,720
59,799
84,75
VESA(WXGA)
7.
1366*768
47,700
60,00
84,62
VESA(WXGA)
No
Resolution
H-freq (kHZ)
V-freq (Hz)
Pixel clock (MHz)
Proposed
1.
720*480
15,73
59,94
13,500
SDTV, DVD 480I(525I)
2.
720*480
15,75
60,00
13,514
SDTV, DVD 480I(525I)
3.
720*576
15,625
50,00
13,500
SDTV, DVD 576I(625I)
4.
720*480
31,47
59,94
27,000
SDTV480P
5.
720*480
31,50
60,00
27,027
SDTV480P
6.
720*576
31,25
50,00
27,000
SDTV 576P
7.
1280*720
44,96
59,94
74,176
HDTV 720P
8.
1280*720
45,00
60,00
74,250
HDTV 720P
9.
1280*720
37,50
50,00
74,25
HDTV 720P
10.
1920*1080
33,75
60,00
74,250
HDTV 1080I
11.
1920*1080
67,5
60,00
148,5
HDTV 1080P
12.
1920*1080
28,125
50
74,25
HDTV 1080I
13.
1920*1080
56,25
50
148,5
HDTV 1080P
12. HDMI input ( DTV)
No
Resolution
H-freq (kHZ)
V-freq (Hz)
Pixel clock (MHz)
Proposed
1.
720*480
31,47
59,94
27,000
SDTV 480P
2.
720*480
31,50
60,00
27,027
SDTV 480P
3.
720*576
31,25
50,00
27,000
SDTV 576P
4.
1280*720
44,96
59,94
74,176
HDTV 720P
5.
1280*720
45,00
60,00
74,250
HDTV 720P
6.
1280*720
37,50
50,00
74,25
HDTV 720P
7.
1920*1080
33,75
60,00
74,250
HDTV 1080I
8.
1920*1080
67,5
60,00
148,5
HDTV 1080P
9.
1920*1080
28,125
50
74,25
HDTV 1080I
10.
1920*1080
56,25
50
148,5
HDTV 1080P
- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet is applied to all of the LP7AB chassis(H4)
manufactured at LG TV Plant all over the world.
manufactured at LG TV Plant all over the world.
2. Specification
2.1 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.
transformer will help to protect test instruments.
2.2 Adjustment must be done in the correct sequence.
2.3 The adjustment must be performed at 25 ± 5°C
2.3 The adjustment must be performed at 25 ± 5°C
temperature and 65 ± 10%, relative humidity if there is no
specified designation.
specified designation.
2.4 The input voltage of the receiver must be kept between
100~220V, 50/60Hz.
2.5 Before adjustment, execute Heat-Run for 30 minutes at
FULL WHITE MODE(power on key)
3. Adjustment items
3.1 PCB assembly adjustment items
• l Channel memory
- Download the channel data from BOM to EEPROM by
- Download the channel data from BOM to EEPROM by
using LGIDS.
• l Option adjustment following BOM
- Tool Option1
- Tool Option2
- Area Option
- Tool Option1
- Tool Option2
- Area Option
(Fig. 1)
1) Push the ADJ key in the Adjust Remocon.
2) Input the Option Number that was specified in the BOM,
2) Input the Option Number that was specified in the BOM,
into the Shipping area
3) Select "Tool Option1/ Tool Option2/ Area Option" by using
/
°„/°Â(CH+/-) key , and press the number key(0~9)
consecutively
ex) If the value of Tool Option1 is 7, input the data using
number key "7" (Fig. 1)
3.2 SET assembly adjustment items
• Auto AV1 Color Balance
• Adjustment of White Balance
• Auto Component Color Balance adjustment
• Adjustment of White Balance
• Auto Component Color Balance adjustment
- standard equipment : MSPG925FA
• Auto RGB Color Balance adjustment
-standard equipment : MSPG925FA
4. EDID
4.1 Caution
* Use the proper signal cable for EDID Downloa.
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
*Caution: - Never connect HDMI & DVI-D & DVI-A Cable at
the same time.
- Use the proper cables below for EDID Writing
- Write 8bit using DDC2B protocol to input
- Write 8bit using DDC2B protocol to input
ANALOG,HDMI EDID.
4.1.1 EDID Data
4.2 Data
4.2.1. 47LC7R-TA ANALOG
• BLOCK1 (128BYTE)
4.2.2. 47LC7R-TA HDMI1
• BLOCK1 (128BYTE)
• BLOCK2 (128BYTE)
No
Item
Condition
16 Data
1 Manufacturer ID
GSM
1E6D
2 Version
Digital: 1
01
3 Revision
Digital: 3
03
4.2.3. 47LC7R-TA HDMI2
• BLOCK1 (128BYTE)
• BLOCK2 (128BYTE)
=> Detail EDID Options are below (a, b, c, d, e).
a. Product ID
b. Serial No: Controlled on production line
c. Month, Year: Controlled on production line:
c. Month, Year: Controlled on production line:
ex) Montly: ‘03’ => ‘03’
Year: ‘2005’ => ‘0F’
d. Model Name/Monitor Name
e. Checksum: Changeable by total EDID data
5. ADC Calibration
5.1 Adjustment of AV
* Required Equipments
• Remote controller for adjustment
• 802F Pattern Generator, Master (MSPG-925FA), etc
• MSPG-925FA Pattern Generator
• 802F Pattern Generator, Master (MSPG-925FA), etc
• MSPG-925FA Pattern Generator
(Which has Video Signal: 100% Color Bar Pattern
shown in Fig. 1)
=> Model: 202 / Pattern: 65 (PAL : CH).
Model: 207 / Pattern : 65 (NTSC-J).
(Fig. 1)
5.1.1 Method of Auto AV Color Balance
1) Press the FRONT-AV KEY on R/C for converting input
1) Press the FRONT-AV KEY on R/C for converting input
mode.
2) Input the Video Signal: 100% Color Bar signal into
AV(MA/TA)
3) Set the PSM to Dynamic mode in the Picture menu
4) Press INSTART key on R/C for adjustment
5) Press the
4) Press INSTART key on R/C for adjustment
5) Press the
(Vol. +) key to operate the set, then it
becomes automatically
6) Auto-RGB OK means the adjustment is completed
5.1.2 Requirement
• This AV color balance adjustment should be performed
• This AV color balance adjustment should be performed
before White Balance Adjustment.
- 11 -
Model Name Product ID
Product ID
Dec.
Hex.
EDID Tabla
47LC7R-TA
40143(A)
40143
9CCF
CF9C
40144(D)
40144
9CD0
D09C
Model
47LC7R 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
- 12 -
5.2 Adjustment of Component.
* Required Equipments
• Remote controller for adjustment.
• 802F Pattern Generator, Master (MSPG-925FA), etc.
• MSPG-925FA Pattern Generator
• 802F Pattern Generator, Master (MSPG-925FA), etc.
• MSPG-925FA Pattern Generator
(Which has 720p@50Hz YPbPr signal : 100% Color
Bar Pattern shown in Fig. 2).
Bar Pattern shown in Fig. 2).
=> Model: 215 / Pattern: 65
• It is very import to use correct adjustment pattern like
• It is very import to use correct adjustment pattern like
Fig. 2.
# If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern.
(Fig. 2)
5.2.1 Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar(MSPG-925FA
1) Input the Component 720p 100% Color Bar(MSPG-925FA
model:215, pattern:65) signal into Component ( ZA :
component , TA/MA : component 1 or 2)
component , TA/MA : component 1 or 2)
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press the INSTART key on R/C for adjustment.
4) Press the
3) Press the INSTART key on R/C for adjustment.
4) Press the
(Vol. +) key to operate the set , then it
becomes automatically.
5) Auto-RGB OK means the adjustment is completed
5.3 Adjustment of RGB)
* Required Equipments
• Remote controller for adjustm
• 802F Pattern Generator, Master (MSPG-925FA), etc
• MSPG-925FA Pattern Generator
• 802F Pattern Generator, Master (MSPG-925FA), etc
• MSPG-925FA Pattern Generator
(Which has XGA [1024*768] 60Hz PC Format output
signal : 100% Color Bar Pattern shown in Fig. 3 )
• It is very import to use correct adjustment pattern like
Fig. 10.
# If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern.
(Fig. 3)
5.3.1 Method of Auto RGB Color Balance
1) Input the PC 1024x768 @ 60Hz with 100% color bar
1) Input the PC 1024x768 @ 60Hz with 100% color bar
pattern like Fig.3. into RGB.
2)
Set the PSM to Dynamic mode in Picture menu
3) Press the INSTART key on R/C for adjustment.
4) Press the
4) Press the
(Vol. +) key operate To set , then it becomes
automatically
5) Auto-RGB OK means adjustment is completed
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