DOWNLOAD LG 47LH85 (CHASSIS:LA92F) Service Manual ↓ Size: 39.68 MB | Pages: 76 in PDF or view online for FREE

Model
47LH85 (CHASSIS:LA92F)
Pages
76
Size
39.68 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lh85-chassis-la92f.pdf
Date
PREV: LG 47LH80YD (CHASSIS:LB91F) Service Manual

LG 47LH85 (CHASSIS:LA92F) Service Manual ▷ View online

- 9 -
9. Mechanical Specification
1) Media Box
No 
Item 
CONTENT
Unit 
REMARK 
1 Protrusion 
TBD 
2 
Appearance 
quality 
Satisfy appearance inspection 
LG(56)-G3-1002  
Before Packing 
426(W) X 234.5(D) X 68.6(H) 
mm 
3 
Product 
Dimension 
After Packing 
432(W) X 249(D) X 76(H) 
mm 
Media-Box ONLY 
2.6 
Kg 
4 
Product 
Weight 
With BOX 
3.1 
Kg 
GAP
단차
단차
mm
TOP COVER & BOTTOM 
Measure(DQA) 
SPEC
SPEC
1mm
mm 
TOP COVER & BOTTOM 
Measure(DQA) 
SPEC
SPEC
SPEC
1mm
mm 
REAR SHIELD & BOTTOM SHIELD
Measure(DQA) 
GAP
MAX 1mm
mm
BOTTOM COVER & REAR SHIELD
Measure(DQA) 
Measure(DQA) 
GAP
MAX
MAX
1mm
MAX
MAX
1.2mm mm
5 Test 
SPEC 
TOP COVER & REAR SHIELD
8. HDMI input (PC/DTV)
No 
Resolution 
H-freq(kHz) 
V-freq.(Hz) Pixel 
clock(MHz) 
Proposed 
 PC 
DDC
1. 640*350 
31.468 
70.09 
25.17 
EGA 
 
2. 720*400 
31.469 
70.08 
28.32 
DOS 
O
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
O
6. 1280*768 
47.776 
59.870 
79.5 
CVT(WXGA) 
7. 1360*768 
47.712 
60.015 
85.50 
VESA 
(WXGA)  O
8. 1280*1024 
63.981 
60.020 
108.00 
VESA 
(SXGA)  O
9. 1600*1200 
75.00 
60.00 
162 
VESA 
(UXGA)  O
10. 1920*1080 
67.5 
60 
148.5 
HDTV 
1080P 
O
 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 
- 10 -
2) 47LH85-UC
NO
ITEM
CONTENT UNIT 
REMARK 
Width
Height  
1179
964.3
mm
With Stand
W/O Packing 
1179
888.5
mm
W/O Stand
1485
880
mm With 
Stand
1 
Product  
Dimension 
With Packing 
1485
Depth
454.2
106.9
426
68.6
mm
234.5
320
320
880
mm
W/O Stand
 25.4
Kg
With 
Stand
W/O Packing 
(CCFL Module) 
 21.6
Kg
Kg
W/O Stand
27.3
Kg With 
Stand
W/O Packing 
(LED Module) 
23.5
2.6
Kg W/O 
Stand
  
31.4
Kg With 
Stand
With Packing 
(CCFL Module) 
  
27.6
34
Kg 
Kg 
W/O Stand
 
33.6
Kg With 
Stand
2 
Only AV BOX
With AV BOX
Product  
Weight 
With Packing 
(LED Module) 
 
29.5
Kg W/O 
Stand
112
With Stand
40ft  
(Normal) 
130
168
195
–20¡
W/O Stand
With Stand
3 
Container 
Loading  
Quantity 
Individual 
40ft   
(H-Cubic) 
Set
Set
Set
Set
Swivel 
YES
/NO 
YES/
NO 
Angle
Degree
Tilt
 
Funchion 
Angle 
Front( )/Back( ) 
Degree
Width
Height 
505.3
Depth
398.8
201.8
505.3
398.8
108.2
606
505
280
mm With 
Neck
Dimension 
(W/O Packing) 
--
--
3.8
--
--
5.4
--
 mm  W/O 
Neck
Dimension(With Packing) 
 
mm 
Commercial
Weight(W/O Packing) 
Kg 
With Neck
4 Stand 
Assy
Weight(With Packing) 
Spec
1.5(0.8~2.5)
Kgf Set
5 Test 
Spec 
Swivel Force 
Measure 
(DQA) 
Kgf
Set
Spec
0.2¡/-1.3¡
Degree
Degree
Set
Inclination 
(Front/Back) 
Measure 
(DQA) 
--
--
Set
Spec
sec
sec
Set
Wobble 
Measure 
(DQA) 
Set
Spec
mm
mm
Set
Difference 
(Left/Right) 
Measure 
(DQA) 
--
Set
GAP(C/A & Module) 
Spec 
Max 1.0 
mm
mm
Set
 
Measure 
(DQA) 
--
Set
GAP(C/A & B/C) 
Spec 
Max 1.2 (delt
Max 15sec
Max 5mm
a 1.0)
mm
mm
mm
Set
 
Measure 
(DQA) 
Set
GAP(B/C & Control) 
Spec 
Max 0.8   
mm
Set 
 
Measure 
(DQA) 
Set
GAP(B/C & Side AV) 
Spec 
Max 0.8 
mm
mm
mm
Set
 
Measure 
(DQA) 
Set
SIDE GAP(C/A & B/C ) 
Spec 
Max 1.3 (delta 0.7) 
mm
 
 
Measure 
(DQA) 
Set
6 
Appearance
 
Refer to Standard of LG(56)G4-9002 
1. Application Object
This specification sheet applied to LA92F Chassis applied
LCD TV all models manufactured in TV factory.
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 instrument.  
2) Adjustment must be done in the correct order. But it is
flexible when its factory local problem occurs. . 
3) The adjustment must be performed in the circumstance of
25 ±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.  
4) The input voltage of the receiver must keep 220V, 60Hz. 
5) Before adjustment, execute Heat-Run for 5 minutes.  
• How to make set white pattern   
1) Press Power ON button of Service Remocon  
2) Press ADJ button of Service remocon. Select “7. Test
pattern” and, after select “White” using navigation button,
and then you can see 100% Full White pattern.    
* In this status you can maintain Heat-Run useless any
pattern generator 
* Notice: if you maintain one picture over 20 minutes
(Especially sharp distinction black with white pattern –
13Ch, or Cross hatch pattern – 09Ch) then it can appear
image stick near black level. 
3. Adjustment items
3.1. Board adjustment
- ADC Calibration(Media-Box Only)
- EDID/DDC download
Above adjustment items can be also performed in Final
Assembly if needed. Both Board-level and Final assembly
adjustment items can be check using In-Star Menu 1.ADJUST
CHECK.
* Don't use Instop key after Media-Box Main b/d board test
and Media-Box assemble & test. 
3.2. Final assembly adjustment
- Wireless Pairing
- White Balance adjustment
- RS-232C functionality check
- Factory Option setting per destination
- EYE-Q Test
- Ship-out mode setting (In-Stop)
3.3 Etc
- Ship-out mode
- Service Option Default
4. Automatic Adjustment
4.1. ADC(LGE3369) Adjustment
4.1.1 Overview
ADC adjustment is needed to find the optimum black level
and gain in Analog-to-Digital device and to compensate
RGB deviation.
4.1.2  Equipment & Condition
- ADC Comp 480i / ADC Comp 1080p
=> Select component 480i signal that is same as the
image below on the Media-Box with using Pattern
Generator(MSPG-925FA or etc)
3) Adjustment ADC RGB
4) Image
4.1.3 Adjustment
4.1.3.1 Adjustment method
- Using RS-232, adjust items listed in 3.1 in the other
shown in “4.1.3.3”
4.1.3.2 Adj. protocol
Ref.) ADC Adj. RS232C Protocol_Ver1.0
4.1.3.3  Adj. order
- aa 00 00  [Enter ADC adj. mode]
- xb 00 04  [Change input source to Component1]
- ad 00 10  [Adjust 480i Comp1]
- xb 00 60  [Change input source to RGB-DTV]
- ad 00 10  [Adjust 1080p Comp1/RGB]
- ad 00 90  End adj.
- 11 -
ADJUSTMENT INSTRUCTION
Protocol
Command
Set ACK
Enter adj. mode
aa 00 00
a 00 OK00x
Source change
xb 00 40
b 00 OK40x (Adjust 480i Comp1 )
xb 00 60 
b 00 OK60x (Adjust 1024*768 RGB)
Begin adj.
ad 00 10
Return adj. result
OKx (Case of Success)
NGx (Case of Fail)
Read adj. data
(main)
(main)
ad 00 20 
000000000000000000000000007c007b006dx
(sub)
(Sub)
ad 00 21
000000070000000000000000007c00830077x
Confirm adj.
ad 00 99
NG 03 00x (Fail)
NG 03 01x (Fail)
NG 03 02x (Fail)
OK 03 03x (Success)
End adj.
aa 00 90
a 00 OK90x
4.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
4.2.1 Overview
It is a VESA regulation. PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
4.2.2 Equipment
- Adjust remocon
4.2.3 Download method
1) Press ADJ key on the adjustment  R/C and select [EZ
ADJUST]. Select [8.EDID D/L] and access to the items
with using the ENTER key. 
2) Press the OK key on the [Start] menu, HDMI1 / HDMI2 /
HDMI3 / HDMI4 / RBG inputs are selected on the
Media-Box and HDMI5 input on the TV. When the
process is completed, the message 'NG' is changed to
'OK'.  
* You can download this with using JIG or the equipment
on the HDMI5 / RGB input. 
4.2.4 EDID DATA
- HDMI 
EDID Block 0 table =
EDID Block 1 table =
EDID Block 1 table =
* Notice
- HDMI1 ~ HDMI4 / RGB : Media-Box, Hdmi5 : TV
- The items below of the EDID datas can be changed
according to the S/W and input. 
=> VV:Week Manufacture
=> WW: Year Manufacture
=> XX:C/S
=> YY : Physical address
5. Total Assembly Adjustment
• The Wireless model can be added the pairing work with the
Media-Box besides the existing test and can be changed
the process and the test method. 
•  Total Assembly  process 
- TV Tool option check 
- Connect the TV and Media-Box wireld with the HDMI
cable. (TV: HDMI5 port / Media-Box: Service port) 
- Wireless Pairing 
- Media-Box Tool option check 
- Media-Box AC power off 
- Remove the HDMI cable 
- Adjust the White Balance 
- Media-Box AC power on (Access to Wireless mode) 
- Check the Display and press the Bluetooth key (send the
TV W/B data to Media-Box) 
- Connect the RF / HDMI1 to Media-Box and check. 
- Shipping 
* The Media-Box is the main equipment and the TV is after on
the Wireless/Wired connection and the Media-Box can
adjust all of the OSD) 
(exception: Select the HDMI5 on the Wireless connection) 
5.1 Wireless Pairing 
5.1.1 Overview
To set 1:1 connection from selecting the same Wireless
channel on the TV and Media-Box, and fixing Mac
address. 
* Set this on the Wired (HDMI cable connection) state. 
5.1.2 Method 
1) Press one of the OP1(Channel1) / OP2(Channel2) /
OP3(Channel3) key on the adjustment R/C and check
the Paring information OSD that is displayed  
2) Use these method if the upper method can not be
processed  
- 12 -
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