LG 42PG3000-ZA (CHASSIS:PD83A) Service Manual ▷ View online
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V
Module Specification2
Market
roadcasting system
Receiving system
Scart Jack(2EA)
Video Input (1EA)
S-Video Input (1EA)
Component Input (1EA)
RGB Input
HDMI Input(3EA)
Audio Input (3EA)
1
2
3
4
5
6
7
No
Item
Specification
Remark
Austria,Belgium,Bulgaria,Coratia,Czech,Denmark,Finland
,France,Germany,Greece,Hungary,Italy,Luxembourg,
Netherlands,Norway,Poland,Portugal,Rumania,Russia,
Serbia,Slovenia,Spain,Sweden,Switzerland,UK
1) PAL-BG
2) PAL-DK
3) PAL I, I’
4) DVB T(ID TV)
5) SECAM L/L’
Analog : Upper Heterodyne
Digital : COFDM
PAL, SECAM
PAL, SECAM, NTSC
PAL, SECAM, NTSC
Y/Cb/Cr, Y/Pb/Pr
RGB-PC
HDMI-DTV & SOUND
PC Audio, Component, AV
Analog Only
EU(PAL Marker)
4 System : PAL, SECAM,NTSC,PAL60
4 System : PAL, SECAM,NTSC,PAL60
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ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied all of the 42” PLASMA TV,
PD83A
PD83A
Chassis.
2. Note
(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.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
(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.
there is no specific designation.
(4) The input voltage of the receiver must keep 100-240V~,
50/60Hz.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
In case of keeping module is in the circumstance of 0°C, it
should be placed in the circumstance of above 15°C for
2hours.
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 3hours.
should be placed in the circumstance of above 15°C for
2hours.
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 3hours.
O
After RGB Full white HEAT-RUN Mode, the receiver must
be operated prior to adjustment.
O
Enter into HEAT-RUN MODE
1) Press the POWER ON KEY on R/C for adjustment.
2) OSD display and screen display PATTERN MODE.
2) OSD display and screen display PATTERN MODE.
* Set is activated HEAT-RUN without signal generator in
this mode.
* Single color pattern(RED/BLUE/GREEN) of HEAT-RUN
mode uses to check PANEL.
3. ADC Calibration
V
Auto adjustment Map(RS-232C)
- Baud : 115200bps, RS232 Host : PC, Echo : none.
4. ADC adjustment
5. Adjustment of RGB
5-1. Auto RGB Gain / Offset Adjustment
(1) Convert to PC in Input-source(refer to I2C command at page 10)
(2) Signal equipment displays
(2) Signal equipment displays
Output Voltage : 700 mVp-p
Impress Resolution XGA(1024x768@60Hz)
Model : 60
Impress Resolution XGA(1024x768@60Hz)
Model : 60
in pattern Generator
Pattern : 65 in pattern Generator(MSPG-925 Series)
[gray pattern that left & right is black and center is white
[gray pattern that left & right is black and center is white
signal(Refer below picture)].
(3) Adjust by commanding AUTO_COLOR_ADJUST.
5-2. Confirmation
(1) We confirm whether “0xAA(RGB)” address of EEPROM
“0xA2” is “0xAA” or not.
(2) If “0xAA(RGB)” address of EEPROM “0xA2” isn’t “0xAA”,
we adjust once more.
(3) We can confirm the ADC values from “0xA4~0xA9(RGB)”
address in a page “0xA2”.
* Manual ADC process using Service Remocon. After enter
Service Mode by pushing “ADJ” key, execute “ADC Adjust”
by pushing “
by pushing “
G
“ key at “ADC CALIBRATION : RGB-C”.
* Using ‘power on’ button off the control R/C, power on TV.
If you turn on a still screen more than 20 minutes, (Especially
digital pattern, cross hatch pattern) after image may be occur in
the black level part of the screen.
digital pattern, cross hatch pattern) after image may be occur in
the black level part of the screen.
ADC adjust
Data Read
Default Write
Enter
Adjust Mode
ADC adjust
ADC Parameter
Digital Data
ADC Parameter
(Average)
Adjustment
Confirmation
Adjust Mode In
Adjust Mode Out
NO
Item
Remark
CMD1 CMD2 Data 0
A
A
A
A
A
A
A
D
D
D
D
D
D
D
0
0
0
0
9
0
0
1
2
3
4
9
0
9
Transfer 18Byte
(Input resolution Data)
To check ADC Adjustment
on Assembly line
When transfer the ‘Mode
In’, Carry the command.
MSPG925FS
Component
RGB-PC
ADC
Model : 60
(1024*768 60Hz)
Pattern : 65
Model : 209(480i 60Hz)
223(1080i 60Hz)
Pattern : 65
(Fig.1)
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6. Component input ADC
6-1. Component Gain/Offset Adjustment
(1) Convert to PC in Input-source(refer to I2C command at page 10)
(2) Signal equipment displays
(2) Signal equipment displays
1) Impress Resolution 480i
Model : 209
in pattern Generator(480i Mode)
Pattern : 65
in pattern Generator(MSPG-925 Series)
2) Impress Resolution 1080i
Model : 223 in pattern Generator(1080i Mode)
Pattern : 65 in pattern Generator(MSPG-925 Series)
Pattern : 65 in pattern Generator(MSPG-925 Series)
6-2. Confirmation
(1) We confirm whether “0xB3(480i)/0xBC(1080i)” address
of EEPROM “0xA2” is “0xAA” or not.
(2) If “0xB3(480i)/0xBC(1080i)” address of EEPROM “0xA2”
isn’t “0xAA”, we adjust once more.
(3) We
can
confirm
the
ADC
values
from
“0xAD~0xB2(480i)/0xB6~BB(1080i)” address in a page
“0xA2”.
“0xA2”.
* Manual ADC process using Service Remocon. After enter
Service Mode by pushing “ADJ” key, execute “ADC Adjust”
by pushing “
by pushing “
G
“ key at “ADC CALIBRATION : RGB-C”.
7. POWER PCB Assy Voltage
Adjustments
(Va, Vs Voltage adjustments)
7-1. Test Equipment :
D.M.M. 1EA
7-2.Connection Diagram for Measuring
: refer to Fig.3
7-3. Adjustment Method
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D.M.M to Va pin of P811, connect
2) Connect + terminal of D.M.M to Va pin of P811, connect
- terminal to GND pin of P811.
3) After turning VR901, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)
(Deviation; ±0.5V)
(2) Vs Adjustment
1) Input signal : RF noise signal.
2) Connect + terminal of D.M.M to Vs pin of P811, connect
2) Connect + terminal of D.M.M to Vs pin of P811, connect
– terminal to GND pin of P811.
3) After turning VR951, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)
(Deviation; ±0.5V)
Each PCB assembly must be checked by check JIG set.
(Because power PCB Assembly damages to PDP Module,
especially be careful)
(Because power PCB Assembly damages to PDP Module,
especially be careful)
(Fig.2)
(Fig.3) Connection diagram of power adjustment for measuring
8. EDID
(The Extended Display Identification Data )
/DDC
(Display Data Channel)
download
8-1. Required Test Equipment
(1) Adjusting PC with S/W for writing EDID Data.
(S/W : EDID TESTER Ver.2.5)
(2) A Jig for EDID Download.
(3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
(3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
8-2. Required Test Equipment
8-3. Preparation for Adjustment
(1) Connect the Set, EDID Download Jig, PC & Cable.
(2) Turn on the PC & EDID Download Jig. Set up the S/W
(2) Turn on the PC & EDID Download Jig. Set up the S/W
option.
(3) Power on the Set.
8-4. Sequence of Adjustment
(1) EDID Download
1) Init the data.
2) Load the EDID data.(Open File).
2) Load the EDID data.(Open File).
[ Analog file ] (for RGB)]
[ Digital file ] (for HDMI)
[ Digital file ] (for HDMI)
3) Set the S/W as below.
4) Push the “Write Data & Verify”button. And confirm “Yes”.
5) If the writing is finished, you will see the “OK” message.
6) If TV has three HDMI INPUT, you must download three
4) Push the “Write Data & Verify”button. And confirm “Yes”.
5) If the writing is finished, you will see the “OK” message.
6) If TV has three HDMI INPUT, you must download three
times for each HDMI.
8-5. EDID DATA
1) Analog-RGB.
=> Detail EDID Options are below([1],[2],[3],[4],[5])
1.[1]-Product ID
2. [2]-Serial No : Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
ex) Monthly: '03' => '03'
Year : '2006' => '10'
Year : '2006' => '10'
4. [4]-Model Name : model name.
5. [5]-Checksum -> Changeable by total EDID data.
5. [5]-Checksum -> Changeable by total EDID data.
2) HDMI_1.
=> Detail EDID Options are below([1],[2],[3],[4],[5])
1.[1]-Product ID
2. [2]-Serial No : Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
3. [3]-Month, Year : Controlled on production line.
ex) Monthly: '03' => '03'
Year : '2006' => '10'
Year : '2006' => '10'
4. [4]-Model Name : model name.
5. [5]-Checksum -> Changeable by total EDID data
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(Fig.5) Connection Diagram of DDC download
[1]
[2]
[3]
[4]
[5]
[1]
[2]
[3]
[4]
[5]
[5]
42PG3000
Product ID
Product ID
Model Name
EDID table
019D
Hex
9D11
40193
42PG3000
Product ID
Product ID
Model Name
EDID table
029D
Hex
9D02
40194
42PG3000
00 00 00 FC 00 34 32 50 47 33 30 30 30 0A 20 20 20 20
Model Name
Model Name(Hex)
42PG3000
00 00 00 FC 00 34 32 50 47 33 30 30 30 0A 20 20 20 20
Model Name
Model Name(Hex)
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