LG 47LE8500 (CHASSIS:LA02E) Service Manual ▷ View online
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8. HDMI input (PC/DTV)
No Resolution
H-freq(kHz) V-freq.(kHz) Pixel
clock
Proposed
PC
DDC
1.
640*350
31.468
70.09
25.17
EGA
X
2.
720*400
31.469
70.08
28.32
DOS
O
3.
640*480
31.469
59.94
25.17
VESA(VGA)
O
4 .
800*600
37.879
60.31
40.00
VESA(SVGA)
O
5.
1024*768
48.363
60.00
65.00
VESA(XGA)
O
6.
1280*768
47.776
59.870
79.50
CVT(WXGA)
X
7. 1360*768
47.712
60.015
85.50
VESA(WXGA)
X
8.
1280*1024
63.981 60.020 108.00
VESA(SXGA)
O
9.
1920*1080
67.5
60
148.5
HDTV 1080P
O
DTV
1
720*480
31.5
60
27.027
SDTV 480P
2
720*480
31.47
59.94
27.00
SDTV 480P
3
1280*720
45.00
60.00
74.25
HDTV 720P
4
1280*720
44.96
59.94
74.176
HDTV 720P
5
1920*1080
33.75
60.00
74.25
HDTV 1080I
6
1920*1080
33.72
59.94
74.176
HDTV 1080I
7
1920*1080
67.500
60
148.50
HDTV 1080P
8
1920*1080
67.432
59.939
148.352
HDTV 1080P
9
1920*1080
27.000
24.000
74.25
HDTV 1080P
10
1920*1080
26.97
23.976
74.176
HDTV 1080P
11
1920*1080
33.75
30.000
74.25
HDTV 1080P
12
1920*1080
33.71
29.97
74.176
HDTV 1080P
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ADJUSTMENT INSTRUCTION
1. Application range
This spec sheet is applied to LA02D & LA02E Chassis applied
LCD TV all models manufactured in TV factory
LCD TV all models manufactured in TV factory
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 protect test instrument.
isolation transformer will help protect test instrument.
2.2 Adjustment must be done in the correct order.
2.3 The adjustment must be performed in the
2.3 The adjustment must be performed in the
circumstance of 25±5°C of temperature and 65±10%
of relative humidity
of relative humidity
2.4 The input voltage of the receiver must keep
100~240V, 50/60Hz.
2.5 The receiver must be operated for about 5 minutes
prior to the adjustment when module is in the
circumstance of over 15. In case of keeping module
is in the circumstance of 0°C, it should be placed in
the circumstance of above 15°C for 2 hours In case
of keeping module is in the circumstance of below -
20°C, it should be placed in the circumstance of
above 15°C for 3 hours.
circumstance of over 15. In case of keeping module
is in the circumstance of 0°C, it should be placed in
the circumstance of above 15°C for 2 hours In case
of keeping module is in the circumstance of below -
20°C, it should be placed in the circumstance of
above 15°C for 3 hours.
Caution) When still image is displayed for a period of 20
minutes or longer (especially where W/B scale is
strong. Digital pattern 13ch and/or Cross hatch
pattern 09ch), there can some afterimage in the
black level area.
strong. Digital pattern 13ch and/or Cross hatch
pattern 09ch), there can some afterimage in the
black level area.
3. Adjustment items
3.1. Main PCBA check process
• ADC adjustment: Component 480i, 1080p / RGB-PC 1080p
• EDID downloads for HDMI and RGB-PC
• EDID downloads for HDMI and RGB-PC
Remark) Above adjustment items can be also performed in
Final Assembly if needed. Adjustment items in
both PCBA and final assembly stages can be
checked by using the INSTART Menu
1.ADJUST CHECK.
both PCBA and final assembly stages can be
checked by using the INSTART Menu
1.ADJUST CHECK.
3.2 Final assembly adjustment
•White Balance adjustment
•RS-232C functionality check
•Factory Option setting per destination
•Ship-out mode setting (In-Stop)
•GND and HI-POT test
•RS-232C functionality check
•Factory Option setting per destination
•Ship-out mode setting (In-Stop)
•GND and HI-POT test
3.3 Appendix
• Tool option menu, USB Download (S/W Update, Option and
Service only)
• Manual adjustment for ADC calibration and White balance.
• Shipment conditions, Channel pre-set
• Shipment conditions, Channel pre-set
4. MAIN PCBA Adjustments
4.1. ADC Calibration
(1) Overview
ADC adjustment is needed to find the optimum black level
and gain in Analog-to-Digital device and to compensate
RGB deviation.
and gain in Analog-to-Digital device and to compensate
RGB deviation.
(2) Equipment & Condition
1) Jig (RS-232C protocol)
2) MSPG-925 Series Pattern Generator(MSPG-925FA)
2) MSPG-925 Series Pattern Generator(MSPG-925FA)
- Resolution : 480i Comp1 (MSPG-925FA: model-209,
pattern-65)
- Resolution : 1080p Comp1 (MSPG-925FA: model-225,
pattern-65)
- Resolution : 1080p RGB (MSPG-925FA: model-225,
pattern-65)
- Pattern: Horizontal 100% Color Bar Pattern
- Pattern level: 0.7±0.1 Vp-p
- Image
- Pattern level: 0.7±0.1 Vp-p
- Image
(3) Adjustment
1) Adjustment method
- Using RS-232, adjust items listed in 3.1 in the other
shown in “4.1.3.3”
2) Adj. protocol
Ref.) ADC Adj. RS232C Protocol_Ver1.0
3) Adj. order
• aa 00 00 [Enter ADC adj. mode]
• xb 00 40 [Change input source to Component1(No
• xb 00 40 [Change input source to Component1(No
action)]
• ad 00 10 [Adjust 480i Comp1]
• ad 00 10 [Adjust 1080p Comp1]
• xb 00 60 [Change input source to RGB(No action)]
• ad 00 10 [Adjust 1080p RGB]
• ad 00 90 End adj.
• ad 00 10 [Adjust 1080p Comp1]
• xb 00 60 [Change input source to RGB(No action)]
• ad 00 10 [Adjust 1080p RGB]
• ad 00 90 End adj.
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4.2 MAC Address and ESN Key Write
4.2.1 Equipment & Condition
• Play file: Serial.exe
• MAC Address edit
• Input Start / End MAC address
• Play file: Serial.exe
• MAC Address edit
• Input Start / End MAC address
4.2.2 Download method
4.2.2.1 Communication Prot connection
4.2.2.1 Communication Prot connection
Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port
4.2.2.2 MAC Address Download
• Com 1,2,3,4 and 115200(Baudrate)
• Port connection button click(1)
• Com 1,2,3,4 and 115200(Baudrate)
• Port connection button click(1)
• Load button click(2) for MAC Address write.
• Start MAC Address write button(3)
• Check the OK Or NG
• Start MAC Address write button(3)
• Check the OK Or NG
4.2.2.3 Input the ESN Key
• download Model sending Key file
• input by 1 by SET so as not to be duplicated
• download Model sending Key file
• input by 1 by SET so as not to be duplicated
4.3 LAN PORT + ESN INSPECTION (Automatic IP)
4.3.1 Equipment & Condition
• Each other connection to LAN Port of IP Hub and Jig
4.3.2 LAN inspection solution
• LAN Port connection with PCB
• Network setting at MENU Mode of TV
• setting automatic IP
• Setting state confirmation
• LAN Port connection with PCB
• Network setting at MENU Mode of TV
• setting automatic IP
• Setting state confirmation
- If automatic setting is finished, you confirm IP and MAC
Address.
4.3.3 ESN Key confirmation
• confirm Key input Data at ESN MENU Mode
PCBA
PC(RS-232C)
RS-232C Port
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4.4 LAN PORT INSPECTION(PING TEST)
4.4.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test
2) Input IP set up for an inspection to Test
Program.
*IP Number : 12.12.2.2
4.4.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) remove LAN CABLE
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