LG 42PG3000 User Manual

LG

website:http://biz.LGservice.com

PLASMA

CHASSIS : PD83A

TV

MODEL : 42PG3000

CAUTION

BEFORE SERVICING THE CHASSIS,

IN

READ THE SAFETY PRECAUTIONS

THIS MANUAL.

42PG3000-ZA

CONTENTS

CONTENTS .............................................................................................. 2

SAFETV PRECAUTIONS .......................................................................... 3

SPECIFICATION ........................................................................................ 4

ADJUSTMENT INSTRUCTION ................................................................. 6

TROUBLE SHOOTING ............................................................................ 15

BLOCK DIAGRAM ................................................................................... 24

EXPLODED VIEW .................................................................................. 26

SVC. SHEET .............................................................................................. .

PRINTED CIRCUIT DIAGRAM ................................................................... .

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SAFETY PRECAUTIONS

IMPORTANT SAFETV NOTICE

Many electrical and mechanical parts Schematic Diagram and Replacement Parts List.

is

essential that these special safety parts should be replaced with the same components

lt X-RADIATION, Shock, Fire, or other Hazards. Do

not modify the original design without permission of manufacturer.

General Guidance

An

isolation Transformer should always

servicing of a receiver whose chassis power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting from electrical shocks.

lt will also protect the receiver and it's components from being damaged inadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1

Keep wires away from high voltage or high temperature parts.

Due to high vacuum and large surface extrema care should Do

by

accidentai

W),

keep the resistor 10mm away from PCB.

not lift the Picture tube by it's Neck.

be

used

shorts

in

this chassis have special safety-related characteristics. These parts are identified by

be

used during the

is

not isolated from the

in

persona! injury

of

the

in

this monitor

circuitry

area

that

is

blown, replace

of picture tube,

handling the Picture Tube.

may

Leakage Current Hot

Plug the

Do

not

use

Connec! 1.5K/10watt resistor

AC

between a known good earth ground (Water Pipe, Conduit, etc.) and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity. Reverse plug the AC cord into the measurements

be

measured must not exceed 0.75 volt

0.5mA. ln

it

case any measurement possibility of shock hazard and the set must be checked and repaired before il

Leakage Current Hot

as

AC

cord directly into the

recommended

Check

in

this manual to prevent

(See below Figure)

AC

outlet.

a line Isolation Transformer during this check.

in

parallel with a 0.15uF capacitor

AC

outlet and repeat

for

each

is

returned

exposed

is

to

Check

AC

Volt-meter

metallic

RMS

out of the limits specified, there is

the customer.

which

part.

is

corresponds to

circuit

.&

AC

Any

in

the

voltage

Leakage Current Cold Check(Antenna Cold Check)

With the instrument electrical jumper across the two AC plug prongs. Place the switch

in

the plug prongs tied together and touch other ohm-meter lead each exposed metallic parts such as antenna terminais, phone jacks, etc. If the exposed metallic part has a return path measured resistance should be between 1 When the exposed metal has reading must be infinite. An other abnormality exists that must be corrected before the

is

receiver

returned

AC

plug removed from

on

position, connect one lead of ohm-meter to the

no

return path to the chassis the

to

the customer.

LG

Electronics.

and

service purposes

Inc.

AC

MO

Ali

right reserved.

source, connect an

to

the chassis, the

and 5.2MO.

AC AC

in

turn

to

Good Earth Ground such as WATER PIPE,

To lnstrument's

exposed D

METALLIC PARTS

~/\/\.--------..~

1.5

0.15uF

Kohm/1

- 3 -

CONDUIT etc.

OW

LGE

Internai

Use

Only

SPECIFICATIONS

NOTE : Specifications and others are subject to change without notice for improvement.

• Application Range

This spec is applied to the 42"

Chassis Model Name Market

PD83A 42PG3000 Austria, Belgiu

• Specification

Each part

1)

2) Relative Humidity: 65±10%

3) Power Voltage: Standard Input voltage (100-240V-, 50/60Hz)

4) Specification and performance of each parts are followed each drawing and specification by part number

5)

is

tested as below without special appointment.

Temperature : 25±5°C (77±9°F), CST : 40±5

* Standard Voltage of each product is marked by models.

The receiver must be operated for about 20 minutes prior to the adjustment.

PLASMA

TV used PD83A Chassis.

m,

Bulgaria, Coratia,Czech, Den mark, Fin land,

France,Germany,Greece,Hungary,ltaly,Luxembourg,

Netherlands,Norway,Poland,Portugal,Rumania,Russia,Ser

bia,Slovenia,Spain ,Sweden,Switzerland, UK

Brand

LG

in

accordance with SBOM.

Re

mark

• Test Method

1)

Performance : LGE TV test method followed.

2) Demanded other specification Safety : CE, IEC specification EMC : CE, IEC

Model Market

42PG3000-ZA Austria,Belgium,Bulgaria,Coratia,Czech,Denmark,Finland

,France,Germany,Greece,Hungary,ltaly,Luxembourg,

Netherlands, Norway, Poland, Portugal,

Serbia,Slovenia,Spain,Sweden,Switzerland,UK

Ru

mania, Russia,

• General Specification ( 42"XGA )

No Item Specification

1 Display Screen Device 42" Wide Color Display Module

2 Aspect Ratio 16:9

POP Module PDP42XG,

3

RGB Closed Type, Film Filter

4 Operating Environment 1)Temp. :

2)Humidity :

Storage Environment 3)Temp.

5

4)Humidity:

6 Input Voltage 100-240V-, 50/60Hz

0-40deg

20-80%

:-20-60deg

10-90%

Appliance Safety : IEC/EN60065 EMI : EN55013 EMS : EN55020

Plasma Display Panel

LGE SPEC.

Maker:

LG

Re

mark

Re

mark

LG

Electronics. Inc. Ali right reserved.

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LGE Internai Use Only

• Module Specification2

No Item Specification

Bu

1 Market Au stria, Belgium,

,France,Germany,Greece,Hungary,ltaly,Luxembourg, Netherlands, Norway, Po land, Portugal, Serbia,Slovenia,Spain,Sweden,Switzerland,UK

2 roadcasting system 1) PAL-BG

2) PAL-DK

1,

3) PAL

4) DVB T(ID TV)

5) SECAM

Receiving system Analog : Upper Heterodyne

3

Digital : COFDM

4 Scart Jack(2EA) PAL, SECAM

(1

Video Input

S-Video Input Component Input RGB Input RGB-PC

5

HDMI lnput(3EA) HDMI-DTV

6

EA) PAL, SECAM, NTSC (1

EA) PAL, SECAM, NTSC

(1

EA) Y/Cb/Cr, Y/Pb/Pr

I'

7 Audio Input (3EA) PC Audio, Component,

lgaria, Coratia,Czech, Den mark, Fin land

UL'

& SOUND

AV

Ru

mania, Russia,

Re mark

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 Chassis.

2.

Note

(1)

Because this an isolation transformer. However, the use of isolation transformer will help protect test instrument.

(2)

Adjustment must

(3)

The adjustment must be performed 25±5°C of temperature and 65±10% of relative humidity there

is

(4) The input voltage of the receiver must keep 100-240V-,

50/60Hz.

(5)

The receiver must to the adjustment.

ln

case of keeping module should be placed 2hours. ln

case of keeping module

C,

-20° 15°C for 3hours.

• Alter RGB Full white HEAT-RUN Mode, the receiver must be operated prior

• Enter into HEAT-RUN MODE

1)

Press the POWER

2)

OSD display and screen display PATTERN MODE.

* Set

is

activated HEAT-RUN without signal generator

this mode.

* Single color pattern(RED/BLUE/GREEN) of HEAT-RUN

mode uses

If you turn on a still screen more than 20 minutes, (Especially

digital pattern, cross hatch pattern) alter image may be occur the black level part of the screen.

3.

AOC Calibration

* Using 'power on' button off the contrai R/C, power on TV.

• Auto adjustment Map(RS-232C)

NO Item CMD1 CMD2 Data o

ADC adjust

Data Read

Default Write

Enter

Adjust Mode

ADC

Adjust Mode

Adjust Mode Out

- Baud : 115200bps, RS232 Host :

is

nota

hot chassis, it

be

done

in

no specific designation.

be

operated for about 15 minutes prior

in

the circumstance of above 15°C for

it should be placed

to

adjustment.

ON

KEY

to

check PANEL.

ADC

ad1ust

Parameter

Digital Data

Parameter

(Average)

Ad1ustment

Confirmation

A D 1 A D 2 A A D

A D

A D 0 0

ln

A

D

is

not necessary

the correct order.

in

the circumstance of

is

in

the circumstance of

is

in

the circumstance of below

in

the circumstance of above

on

R/C for adjustment.

mark

Re

0 0

Transfer

1 BByte

(Input resolution Data)

0

3

4 0

To

check

ADC

Assembly

transfer

Adjustment

the

command.

9 9

9 0

PC,

Echo : none.

on

When

ln', Carry the

to

0°c, it

in

line

'Mode

use

in

4.

AOC adjustment

ADC Component

Model : 209(480i 60Hz)

MSPG925FS 223(1080i 60Hz)

Pattern : 65 Pattern : 65

5.

Adjustment of RGB

if

5-1.

Auto

RGB

Gain I Offset

(1)

Convert

to

PC

in

lnput-source(refer

(2)

Signal equipment displays Output Voltage : 700 mVp-p lmpress Resolution XGA(1024x768@60Hz)

in

Model : 60 Pattern : 65

pattern Generator

in

pattern Generator(MSPG-925 Series)

[gray pattern that left

signal(Refer below picture)].

(3)

Adjust by commanding AUTO_COLOR_ADJUST.

5-2. Confirmation

(1)

We confirm whether "OxAA(RGB)"

is

"OxAA"

"OxA2"

(2)

If

"OxAA(RGB)" address of EEPROM

we adjust once more.

(3)

We can confirm the

address

in

* Manual ADC

Service Mode by pushing "ADJ" key, execute "AOC Adjust" by pushing

"~"

or not.

AOC

a page "OxA2".

process

key at "ADC CALIBRATION: RGB-C".

RGB-PC

Model:

60

(1024*768 60Hz)

Adjustment

to

12C

command

& right

is

black and center

1)

(Fig.

address

"OxA2"

values from

"OxA4-0xA9(RGB)"

using Service Remocon. After enter

at

page 1 O)

is

of

EEPROM

isn't

white

"OxAA

",

LG

Electronics.

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service purposes

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6.

Component input AOC

6-1. Component Gain/Offset Adjustment

(1)

Convert

to

PC

in

lnput-source(refer

(2) Signal equipment displays

lm

press Resolution 480i

1) in

Model : 209 Pattern : 65

2) lmpress Resolution 1080i

Model: Pattern : 65

223

pattern Generator(480i Mode)

in

pattern Generator(MSPG-925 Series)

in

pattern Generator(1080i Mode)

in

pattern Generator(MSPG-925 Series)

(Fig.2)

to

12C

command

at

page 1 O)

6-2. Confirmation

(1) We confirm whether "OxB3(480i)/OxBC(1080i)" address

of

EEPROM

If

"OxB3(480i)/OxBC(1080i)" address of EEPROM "

(2)

isn't " We

(3)

"OxAD-OxB2(480i)/OxB6-BB(1080i)" address "OxA2".

"OxA2"

OxAA",

we adjust once more.

can

confirm

is "OxAA

the

" or not.

ADC

values

in

OxA2"

from

a page

Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful)

7.

POWER PCB Assy Voltage

(Va,

Vs

Adjustments

7-1. Test

Equipment:

Voltage adjustments)

D.M.M.1EA

7-2.Connection Diagram for Measuring

: refer to Fig.3

7-3. Adjustment Method

(1) Va Adjustment

1)

Alter receiving 100% Full White Pattern, HEAT RUN.

2)

Connec!+

- terminal to GND pin of P811.

3) Alter turning VR901, voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top. (Deviation; ±0.5V)

(2)

Vs

Adjustment

1)

Input signal : RF noise signal.

2)

Connec!+

~

terminal to GND pin of P811.

3) Alter turning VR951, voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top. (Deviation; ±0.5V)

terminal of D.M.M to Va pin of P811, connect

terminal of D.M.M to Vs pin of P811, connect

* Manual ADC process using Service Remocon. Alter enter

SeNice Mode by pushing "ADJ" key, execute "ADC Adjust"

".,._"

by pushing

key at "ADC

CALIBRATION:

RGB-C".

•

1

•

(Fig.3) Connection diagram of power adjustment for measuring

D

LG

Electronics.

and

service purposes

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right reserved.

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8.

ED I D(The

/DDC(Display

Extended Display Identification Data )

Data Channel) download

8-5. EDID

1)

Analog-RGB.

DATA

8-1. Required Test Equipment

(1) Adjusting

(S/W : EDID TESTER Ver.2. (2) A Jig for EDID Download. (3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub

15Pin cab le,

PC

with S/W for writing EDID Data.

5)

DVI

to H

DMI

cable.

8-2. Required Test Equipment

(Fig.5) Connection Diagram of DDC download

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

option. (3) Power on the Set.

8-4. Sequence of Adjustment

(1) EDID Download

1)

lnit the data.

2) Load the EDID data.(Open File). [ Analog file [ Digital file] (for HDMI)

3) Set the S/W as below.

4)

Push

5)

If

the writing

6)

If

TV has three HDMI INPUT, you must download three

times for each HDMI.

J (for RGB)]

the "Write Data & Verify"button.

is

finished, you will see the "OK" message.

And

confirm

"Yes".

01

5C

86

21

35

00

99

5,

12

)0

C.."

20

,[4]

=>

Detail EDID Options are below([1],[2],[3],[4],[5])

1.[1

]-Product

Model Name Product

42PG3000

2.

[2]-Serial

3.

[3]-Month, Year : Controlled

ID

40193

No

: Controlled on production line.

Product

Hex

9D11

on

production line.

1

ex) Monthly: '03' Year : '2006'

4.

[4]-Model Name : model name.

5.

[5]-Checksum -> Changeable by total EDID data.

=>

Model Name Model Name(Hex)

42PG3000

00 00 00

FC

00

34

32

50

47

33

30 30 30

2) HDMl_1.

[2]

00 (5]

ID

EDID table

0190

=>

'03'

'10'

OA

20 20 20 20

D F

1§']

57

8 8C 25

CO

Oi

F 40

~o

CO

1E

ü[,

00

rD

c·

01

20

30 39

[2]

LG

Electronics.

and

service purposes

Inc.

Ali

right reserved.

=> Detail EDID Options are below([1],[2],[3],[4],[5])

1.[1]-Product ID

Model Name Product ID

42PG3000

2.

[2]-Serial No : Controlled on production line.

3.

[3]-Month, Year : Controlled on production line.

40194

9D02

ex) Monthly: '03' Year : '2006'

4. [4]-Model Name : model name.

Model Name Model Name(Hex)

42PG3000

00 00 00

FC

00

34 32

50

5. [5]-Checksum -> Changeable by total EDID data

- 8 -

Hex

47

33 30 30 30

Product

1

=> '03'

=>

'1

LGE

Internai

ID

EDID table

029D

O'

OA

20 20 20 20

Use

Only

2)

HDMl_2.

=>

Detail EDID Options are below([1 ],[2],[3],[4],[5])

* Please refer HDMI_

3) HDMl_3 .

1.

* Before adjusting White-balance, the AV

If AOC status were "NG", Need to AOC adjustrnent.

9.

Adjustment of White Balance

AOC

should be done.

9-1. Required Equipment

(1) Remote contrai for adjustment. (2) Color Analyzer : CS-1000, CA-100, 100+, CA210 or same

product.: CH 10

* Please adjust CA-210+, CA-100+ by before measuring.

(3) Auto W/B adjustment instrument.(only for Auto adjustment) (4) AV Pattern Generator. (5) 15Pin D-Sub Jack(RGB) is connected to the AUTO W/B

EQUIPMENT.

9-2. AUTO White Balance Process

- Adjust Process will start by execute pattern (OxF3, OxFF)).

• Color temperature standards according to GSM and Module . CSM

Cool 11000K

Normal 9300K

Warm 6500K

PLASMA

Re

mark

12C

Command(lnner

=> Detail EDID Options are below([1],[2],[3],[4],[5])

* Please refer

HDMl_

1.

• CS-1000/CA-1

coordinate

CSM Temp

COOL 0.276 0.283 11,000K

MEDIUM 0.285 0.293 9,300K

WARM 0.313 0.329 6,500K

OO+/CA-21

and

color temperature.

Color Coordinate

X

O(CH

10) White balance adjustment

y

9-3. Manual W/B process

(using adjusts Remote contrai)

(1) Alter enter Service Mode by pushing "ADJ" key. (2) Enter White Pattern off of service mode, and change off

on.

(3)

Enter "W/B ADJUST" by pushing

ADJUST".

"~"

key

al

"3. W/B

UV

0.000

0.003

->

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Electronics.

and

service purposes

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right reserved.

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Internai

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