DOWNLOAD LG 32LG30 (CHASSIS:LA85D) Service Manual ↓ Size: 5.87 MB | Pages: 35 in PDF or view online for FREE

Model
32LG30 (CHASSIS:LA85D)
Pages
35
Size
5.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lg30-chassis-la85d.pdf
Date

LG 32LG30 (CHASSIS:LA85D) Service Manual ▷ View online

- 6 -
4. General Specification(TV) 
No.
Item
Specification Remark 
1. 
Receiving System 
ATSC/ NTSC-M
2.
Available Channel
1) VHF : 02~13
2) UHF : 14~69
3) DTV : 02-69
4) CATV : 01~135
5) CADTV : 01~135
3.
Input Voltage
1) 100- 240V~, 50/60Hz
Mark : 110V, 60Hz
4.
Market
NORTH AMERICA
5.
Screen Size
32 inch Wide (1366 x 768)
HD
6.
Aspect Ratio
16:9
7.
Tuning System
FS
8.
LCD Module
LK315T3LZ94
SHARP
9.
Operating Environment
1) Temp   :  0 ~ 40 deg
2) Humidity :   ~ 80 %
10.
Storage Environment
1) Temp    : -20 ~ 60 deg
2) Humidity : 0 ~ 85 %
1. Application Range
This spec sheet is applied to the LCD TV used LA85D
chassis.
2. Specification
Each part is tested as below without special appointment  
1) Temperature :  25 ± 5°C (77 ± 9ºF), CST : 40 ± 5ºC
2) Relative Humidity : 65 ±10% 
3) Power Voltage :  Standard input voltage
(100-240V@ 50/60Hz)
* Standard Voltage of each products is marked by models 
4) Specification and performance of each parts are followed
each drawing and specification by part number in
accordance with BOM.
5) The receiver must be operated for about 20 minutes prior to
the adjustment.
3. Test method
1) Performance : LGE TV test method followed.
2) Demanded other specification 
- Safety : UL1492, CSA C22.2 No.1
- EMC : FCC Class B, IC Class B
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
- 7 -
5. Chroma & Brightness
No
Item
Min.
Typ.
Max.
Unit
Remark
1
White peak brightness
350
450
cd/m
2
(Center 1-point / Full White Pattern)
2
White average brightness
cd/m
2
N/A
3
Brightness uniformity
80
%
Full white
4
Color coordinate
RED
X
0.640
± 0.03
Y
0.330
± 0.03
GREEN
X
0.280
± 0.03
Y
0.600
± 0.03
BLUE
X
0.150
± 0.03
Y
0.060
± 0.03
WHITE
X
0.272
± 0.03
Y
0.277
± 0.03
5
Color coordinate uniformity
N/A
6
Contrast ratio
1000:1
1500:1
32LG30-UD
10000:1
DCR
7
Color Temperature
Cool
10,000
11,000
12,000
<Test Signal>
Standard
8,300
9,300
10,300
HDMI input
Warm
5,500
6,500
7,500
85% Full white pattern
8
Color Distortion, DG
10.0
%
9
Color Distortion, DP 
10.0
deg
10
Color S/N, AM/FM
43.0
dB
11
Color Killer Sensitivity
-80
dBm
6.  Component Video Input  (Y, C
B
/P
B
, C
R
/P
R
)  
No.
Specification            
Remark
Resolution H-freq(kHz)
V-freq(Hz)
Pixel 
clock
1. 
720*480
15.73
60
13.5135
SDTV ,DVD 480I
2. 
720*480
15.73
59.94
13.5
SDTV ,DVD 480I
3. 720*480
31.47
60
27.027
SDTV 
480P
4. 720*480
31.47
59.94
27.0
SDTV 
480P
5. 1280*720
45.00
60.00
74.25
HDTV 
720P
6. 1280*720
44.96
59.94
74.176
HDTV 
720P
7. 1920*1080
33.75
60.00
74.25
HDTV 
1080I
8. 1920*1080
33.72
59.94
74.176
HDTV 
1080I
9. 1920*1080
67.500
60
148.50
HDTV 
1080P
10. 1920*1080
67.432
59.939
148.352
HDTV 
1080P
11. 1920*1080
27.000
24.000
74.25
HDTV 
1080P
12. 1920*1080
26.97
23.976
74.176
HDTV 
1080P
13. 1920*1080
33.75
30.000
74.25
HDTV 
1080P
14. 1920*1080
33.71
29.97
74.176
HDTV 
1080P
- 8 -
No. Specification 
Remark 
Resolution H-freq(kHz) 
V-freq(Hz)
Pixel 
clock(MHz)
PC
DDC
1
640*350
31.469
70.08
25.17
DOS
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
59.87
79.50
CVT(WXGA)
O
7
1360*768
47.720
59.799
84.75
CVT(WXGA)
O
8
1366*768
47.13
59.65
72
7. RGB input (PC)
8. HDMI input (PC/DTV)
No. Resolution
H-freq(kHz)  V-freq(Hz)
Pixel 
clock(MHz)
Remark
PC
DDC
1. 640*480
31.469
59.94
25.17
VESA(VGA)
O
2. 800*600
37.879
60.31
40.00
VESA(SVGA)
O
3. 1024*768
48.363
60.00
65.00
VESA(XGA)
O
4. 1280*768
47.776
59.87
79.50
CVT(WXGA)
O
5. 1360*768
47.720
59.799
84.75
CVT(WXGA)
O
6. 1366*768
47.13
59.65
72
DTV
1
720*480
31.47
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
1. Application Object
These instructions are applied to all of the LCD TV, LA85D.
2. Notes
(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 equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the circumstance of
20±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver be must kept 220V, 60Hz
when adjusting.
(5) The receiver must be operational for about 15 minutes
prior to the adjustments.  
(6) Perform preliminary operation after receiving 100% White
Pattern (06CH). (Or 3. White Pattern status of Ez-Adjust)
(7) White Pattern entry method
1) Enter into Ez-Adjust by pressing the ADJ key on the
adjustment R/C.
2) 100% FULL WHITE PATTERN appears if pressing the
OK (
A
) key after selecting the 3.WHITE PATTERN with
the CH + / - KEY.
* It is possible to heat run the set without a separate signal
generator in this mode.
Caution : Care must be taken as afterimage phenomena
may occur about the black level part of screen If leaving
pause image turned on for more than 20 minutes
(especially inner digital pattern (13 CH), Cross Hatch
Pattern (09CH) with significant black/white contrast).
3. ADC Adjustment
3-1. PC input ADC
(1) Auto RGB Gain/Offset Adjustment
1) Convert to PC in Input-source
I
2
C COMMAND:0xF4(SELECT INPUT) 0x00 0x60(RGB)
cf. 0x10(TV), 0x20(AV), 0x40(COMPONENT),
0x60(RGB), 0x90(HDMI)
2) Signal equipment displays
Output Voltage : 700 mVp-p
Impress Resolution XGA (1024x 768 @ 60Hz)
Model : 60   in Pattern Generator
Pattern : 29 in Pattern Generator (MSPG-925 Series)
[gray pattern that left & right is black and center is
white signal (Refer below picture)].
3) Adjust by commanding AUTO_COLOR_ADJUST (0xF1)
0x00 0x02 instruction.
(2) Confirmation
1) We confirm whether “0xB6” address of EEPROM
0xA2” is “0xAA” or not.
2) If  “0xB6(RGB)” address of EEPROM “0xB2” isn’t
0xAA”, we adjust once more.
3) We can confirm the ADC values from “0xB0~0xB5
(RGB)” addresses in a page “0xA2
* Manual ADC process using Service Remote control. After
enter Service Mode by pushing “ADJ” key, execute “Auto-
adjust” by pushing “
G
” key at “0. ADC CALIBRATION”.
3-2. COMPONENT input ADC
(1) Component Gain/Offset Adjustment
1) Convert to Component in Input-source
I
2
C command : 0xF4(Select input) 0x00 0x40(Component)
cf. 0x10(TV), 0x20(AV), 0x40(COMPONENT),
0x60(RGB), 0x90(HDMI)
2) Signal equipment displays
Impress Resolution  480i
MODEL : 209    
in Pattern Generator(480i Mode)
PATTERN : 08 in Pattern Generator(MSPG-925 Series)
3) Adjust by commanding AUTO_COLOR_ADJUST (0xF1)
0x00 0x02 instruction.
4) Signal equipment display
-Impress Resolution : 1080i
- MODEL: 223    in Pattern Generator(1080i Mode)
- PATTERN: 08  in Pattern generator(MAPG-925 series)
5) Adjust by commanding AUTO_COLOR ADJUST(0xF1)
0x00  0x02 instruction.
* Manual ADC process using Service Remote control. After
enter Service Mode by pushing “ADJ” key, execute “Auto-
adjust” by pushing “
G
” key at “0. ADC CALIBRATION”.
- 9 -
ADJUSTMENT INSTRUCTION
<Adjustment pattern (PC)>
EZ ADJUST
1. ADC ADJUST
2. SUB B/C ADJUST
3. W/B ADJUST                         
4. WHITE PATTERN        : OFF
5. 2HOUR OFF             : ON
6. OAD
7. UART DOWNLOAD
8. FACTORY MODE         : ON
9. DEBUG MODE           : OFF
0. ADC CALIBRATION 
: RGB
<Adjustment pattern (COMPONENT)>
EZ ADJUST
1. ADC ADJUST
2. SUB B/C ADJUST
3. W/B ADJUST                         
4. WHITE PATTERN        : OFF
5. 2HOUR OFF             : ON
6. OAD
7. UART DOWNLOAD
8. FACTORY MODE         : ON
9. DEBUG MODE           : OFF
0. ADC CALIBRATION  : COMPONENT
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