Plasma Mal Discharge Fix (for CD)[1]

LASMA LA SMA CO NTROL PLA PLASMA CON TROL BOARD OM UPGRADE PROCEDURE P ROCEDURE ROM OMBATING MAL -DISCHARGE ISCHARGE ISSUES COMBATING

pdated 08/29/2009 Updated

Field Service Group P.O. Box 240007 Huntsville, AL 35813-6407

June 22, 2009

Re: Notice of Repair method Dear Sir/ Madam: LG Electronics has developed a new repair method for reducing PDP mal-discharge symptoms. The new method allows you to download the Control Board ROM software to correct PDP mal-discharge symptoms not eliminated by alignment, instead of replacing the PDP panel.

If you encounter this type of situation, please request the Control Board ROM Download Jig by email. Please send all requests to [email protected] [email protected].. Your request must include the following information: 1. Service Center Name 2. Account Number 3. Contact Name 4. Mailing Address

Field Service Group P.O. Box 240007 Huntsville, AL 35813-6407

June 22, 2009

Re: Notice of Repair method Dear Sir/ Madam: LG Electronics has developed a new repair method for reducing PDP mal-discharge symptoms. The new method allows you to download the Control Board ROM software to correct PDP mal-discharge symptoms not eliminated by alignment, instead of replacing the PDP panel.

If you encounter this type of situation, please request the Control Board ROM Download Jig by email. Please send all requests to [email protected] [email protected].. Your request must include the following information: 1. Service Center Name 2. Account Number 3. Contact Name 4. Mailing Address

XPLANATION: EXPLANATION:

Occasionally a set is encountered that has Mal-discharge (see the next two images on the next two pages). When this type of issue is encountered it is of the utmost importance that all adjustments be checked and corrected. corrected. It is possible that this will resolve the condition. If  however, however, after adjusting adjusting all adjustment adjustments s correctly correctly and according according to the specific Panel’s voltage label the problem still exist, then it is necessary to upgrade the Control’s boards ROM software.

This document explains the procedure for the Control’s boards ROM software upgrade.

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Plasma Control board ROM Update

al -Discharge ischarge Example “High igh Bright ”:

The below Image show Mal-discharge “high bright”, clearly defined.

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Plasma Control board ROM Update

al -Discharge ischarge Example “Low ow Bright

The below Image show Mal-discharge “Dark Area”, clearly defined.

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Plasma Control board ROM Update

reliminary Set -Up p Precautions: Perform N ormal Panel A lignment first: Preliminary

VERY IMPORTANT: Before beginning with the Control board ROM upgrade, it is of the utmost importance that ALL Panel Adjustments be accurately set in accordance to the Panel’s Label. Failure to do so will negate the added benefits of performing this upgrade to the software. EXAMPLE OF PANEL LABEL SMPS Vs

SMPS Va Y-SUS Set-up Y-SUS -Vy

Y-SUS Vsc

5

Y-SUS Ve

Z-SUS Z-Bias

Plasma Control board ROM Update

OM Download ROM Down load JIG Classification. Name

USB JIG

Type

Buffer 

Vendor 

Bluechips

Input

USB Port

Output

Application Model

4 pin/ 15pin / D-SUB 32FD

32F1

42SD

42V5A/6/7/8

42HD

42X3/4, G1

50HD

50X3/4, G1

60HD

60X6/7

FHD

50H1/2, 60H1/2, 71H1/2

See Table

1. Connect to USB port 2. Connect to CTRL B/D 3. Add 5V Power on 4. Run the ROM upgrade program

How To Use

Picture

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Plasma Control board ROM Update

ig Board Identification (Layout) Jig

1-1. ROM D/L JIG Description 1. 1. Pattern Pattern Signal Signal connector  connector  FHD LVDS: FHD FHD LVDS: FHD I2C I2C Pattern Pattern Cable: FHD LVDS cable Cable: FHD LVDS cable XGA XGA LVDS: LVDS: XGA XGA I2C I2C Pattern Pattern Cable: Cable: LVDS LVDS cable cable Information ♦ of I2C I2C transmits transmits to to & & receive receive from from ♦ Information of Control B/D Control B/D

5

6

8

♦ ♦ Information Information of of I2C I2C Pattern Pattern transmits. transmits. 3

7

2 4 1 Switch: Switch: When When 33 is is connected connected to to D-Sub, D-Sub, select data line (1 or 9) select data line (1 or 9) ※ ※ there there are are 22 kinds kinds of of main main Ass’y Ass’y (VSC) (VSC)

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2. 2. ROM ROM Download Download connector  connector  D-Sub: It is connected D-Sub: It is connected to to D-sub D-sub for for serial serial download download in condition of PDP Set (not module) in condition of PDP Set (not module) Cable: Cable: D-Sub D-Sub to to D-Sub D-Sub cable cable or or D-Sub D-Sub to to 4pin 4pin cable cable 4Pin: 4Pin: Execute Execute Serial Serial download download by by Connecting Connecting 4Pin Connector in Control B/D to 4Pin Serial Connector in Control B/D to 4Pin Serial Download Download (16Mbit/32Mbit) Cable: 4pin cable (16Mbit/32Mbit) Cable: 4pin cable 12Pin: 12Pin: Execute Execute When When 4022H 4022H ASIC ASIC is is used used for for Control Control B/D B/D Cable: Cable: 12pin 12pin cable cable 15Pin: Execute 15Pin: Execute download download In In EPP EPP Mode Mode (16Mbit/32Mbit) (16Mbit/32Mbit) Cable: 15pin cable Cable: 15pin cable 3. 3. PC PC to to USB USB Jig Jig connecting connecting connector  connector  (( )) Cable Cable

No

Connector

Application Model

③

D-Sub

42G1/42G2/ 50G1/50G2/60H2/60H3

④

4Pin

32G1/ 42X4A/ 50X4P/ 42G1/42G2/ 50G1/50G2/50H2/50H3/60H2/60H3

⑤

12Pin

42V5/6, 42X2/ 50X2

⑥

15Pin

32F1, 42V7/8, 42X2A/3/3A/4/4A, 50X3/4/4P, 60X5A/6/7, 71H1

Plasma Control board ROM Update

ig Cable Ide ntification Jig Identification

No

Name

Using

D-Sub to D-Sub Cable (P/No: 6850TD9007C)

Jig to PDP TV

2

4Pin Cable

Jig to Module

Additional

3

12Pin Cable

Jig to Module

Additional

Jig to Module

Basic

Jig to Computer 

Basic

1

4

5

Picture

1-2. Connecting Cable

15Pin Cable (P/No: 6631T12002P)

USB Cable (P/No: 6850TDU002A)

Connector No

8

Remark 15pin Direct cable (++type)

Package

Basic

Plasma Control board ROM Update

tep 1 through 3: Unpacking the ROM Software Upgrade Files Step 1. Download PDP-ROM-CTRL-Software-Files.exe from hard disk by clicking on the Icon

1-a Select “Run”

1-a Select “Open”

If Adobe running inside Browser as a plug in.

1-b Select “Run”

If Adobe not running inside browser 

2. Either way, when the Self-Extracting exe file is ran, a folder is created named; C:\PDP ROM CTRL Software Files In sub folders under this folder are additional files:  \Drivers (Installation drivers for USB and Jig)  \Program (FlashDown Program to run ROM download program)  \CTL PWB Software (All ROM Software upgrade files)

3. REMEMBER THESE Folder locations. 9

Plasma Control board ROM Update

tep 4 through 5: Installing the US B drivers Step U SB 4. When USB Download Board is connected to PC very first time, Window pops up stating “New Hardware Found” then another pop up window appears as seen in the left picture.  You should select and then click Refer to fig. 1

Fig. 1

5. On the next screen another Window pops up as you see on the right picture. Uncheck “Search removable media (floppy, CD-ROM) and check Now click Browse and find the driver folder that was unzipped in Step 2.

and then click

Refer to fig. 2

Fig. 2

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Plasma Control board ROM Update

tep 6 through 8: Installing the US B drivers Step U SB 6. Another window appears as it searches for best driver to install. Refer to fig. 3 below

8. Another window appears as installation completes. Click

Refer to fig. 5 below

Fig. 3

7. Another window appears as it finds the best driver to install. Refer to fig. 4 below

Fig. 4

Fig. 5

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Plasma Control board ROM Update

tep 9 through 10: Installing the drivers Step 9. After the installation of the USB driver, another  Window pops up stating “New Hardware Found” then another pop up window appears as seen below. You should select and then click

10. On the next screen another Window pops puts as below. Uncheck “Search removable media (floppy, CD-ROM) and check Confirm Driver location is still accurate.

Refer to fig. 6 below Or click Browse and find the driver folder that was unzipped in Step 2 and then click Refer to fig. 7 below

Fig. 6

Fig. 7

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Plasma Control board ROM Update

tep 11 through 12: 12 : Installing the drivers driver Step 11. After searching the drivers, a new window appears asking

12. Another window appears as installation completes.

you to select the best driver as seen below.

Refer to fig. 9 below

Refer to fig. 8 below You should select

Click

Even though it states its not digitally signed, it is OK to use this file. Click

Continue to step 12

Fig. 9

* This Installation is needed only the first time the jig is used. Remember to use the same USB port each time the jig is used.

Fig. 8

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Plasma Control board ROM Update

tep 13: C onnecting the Jig to the P lasma Television (4 Pin Cabl e)) G1 Panels Step WARNING: External 5V MUST be supplied to the Control board before beginning download. Failure to do so, may cause a corruption of the internal memory and the board will fail. If this happens, try applying external 5V and then re-downloading the software. Use the STAND-BY 5V from the Power Supply, (not the M5V). This will revive the Control Board.

Fuses Jump +5V to bottom leg.

Location: Top left hand side of PWB. Example from a 50G1 Panel Control PWB.

Make sure to disconnect the ribbon connector from the Y-SUS to the Control board as well as any connections to the Z-SUS board.

1. Connect Control PWB to JIG

Panel Types (Models): 42,50 G1,G2 60,H2,H3 series USB Cable P/N: 6850TDU002A

PC PC

USB Type JIG Or 4 Pin Cable Serial (4p)

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Plasma Control board ROM Update

tep 13: C onnecting the Jig to the P lasma Television (15 Pin Cab le Step WARNING: External 5V MUST be supplied to the Control board before beginning download. Failure to do so, may cause a corruption of the internal memory and the board will fail. If this happens, try applying external 5V and then re-downloading the software. Use the STAND-BY 5V from the Power Supply, (not the M5V). This will revive the Control Board.

Fuses Jump +5V to Left side.

Location: Top left hand side of PWB. Example from a 50X3 Panel Control PWB.

Make sure to disconnect the ribbon connector from the Y-SUS to the Control board as well as any connections to the Z-SUS board.

1. Connect Control PWB to JIG Panel Types (Models): 42, 50, X2A, X3, X4, and 60 X5A,X6,X7 series

USB Cable P/N: 6850TDU002A

PC PC

USB Type JIG 15Pin Cable Epp (15p)

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Plasma Control board ROM Update

tep 13: C onnecting the Jig to the P lasma Television (12 Pin Cab le Step WARNING: External 5V MUST be supplied to the Control board before beginning download. Failure to do so, may cause a corruption of the internal memory and the board will fail. If this happens, try applying external 5V and then re-downloading the software. Use the STAND-BY 5V from the Power Supply, (not the M5V). This will revive the Control Board.

Fuses Jump +5V to bottom leg.

Location: Center left hand side of PWB. Example from a 42G2 Panel Control PWB.

Make sure to disconnect the ribbon connector from the Y-SUS to the Control board as well as any connections to the Z-SUS board.

1. Connect Control PWB to JIG Panel Types (Models): 42, 50,X2 series

USB Cable P/N: 6850TDU002A PC PC

USB Type JIG

12Pin Cable Epp (12p)

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Plasma Control board ROM Update

tep 14 through 16: Starting the Flash Down Program Step Fig. 10 14. When you extracted the file PDP-ROM-CTRL-Software-Files.exe it created a folder: C:\PDP ROM CTRL Software Files . It also created sub folders under this same directory. Additional folders:  \Drivers  \Program  \CTL PWB Softwar e 15. Using Windows Explorer, navigate to the  \Program sub-Folder and right click on the FlashDown31.exe file. (See Fig. 10 ) Fig. 11 16. When you right click on the file, a menu comes up. Scroll down to “Send To” This opens another drop down window. (

See Fig. 11)

Select “Create Shortcut” Close Windows Explorer. A new Icon was created on your Desktop allowing you quick access to the FlashDown program. . DOUBLE CLICK THE DESKTOP ICON TO START THE FLASHDOWN PROGRAM.

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Plasma Control board ROM Update

tep 17: Setting up the Flash Down Prog ram Step P rogram

Select Select Flash Flash Size Size (16MBit/32Mbit) (16MBit/32Mbit) 16M: 32 inch VGA 16M: 32 inch VGA model model (32F) (32F) 32M: 32M: All All other other models models Mode Mode Select Select (15 (15 Pin Pin // 44 Pin(D-Sub)) Pin(D-Sub)) 15 15 Pin: Pin: Parallel Parallel Mode Mode (EPP (EPP Mode) Mode) 44 Pin (D-Sub): Serial Mode Pin (D-Sub): Serial Mode

Fig. 13

1

2

Serial Serial Clk Clk Rate Rate ItIt is is only only used used to to select select 44 Pin Pin (D-SUB) (D-SUB) ItIt must must designate designate 13 13 ~~ 15 15 or or 55 (13 (13 is is recommended) recommended) IfIf an an error error occurs, occurs, try try changing changing number  number 

3

4

5

Open Open Navigate Navigate to to and and open open SVC SVC ROM ROM file file Pls check SVC Bulletin and Appendix Pls check SVC Bulletin and Appendix

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LGDP4022H LGDP4022H IfIf you you need need upgrade upgrade V5/V6 V5/V6 model, model, check check blank blank Check Check ASIC ASIC of of CTRL CTRL Board Board 12Pin 12Pin Connect Connect must must be be connected connected to to CTRL CTRL B/D B/D

9 8

7

Display Display status. status. Display Display download download process process status status bar. bar. 11 Address Address reading. reading. Write Write address address that that you you want want and and Find button is reading from ROM file Find button is reading from Read Read Button Button is is reading reading from from flash memory

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Plasma Control board ROM Update

Button Button for for download download (Auto) (Auto)

tep 18 through 19: Starting the Flash Down Program Step

18. Choose Flash ROM Size PDP Module has 2 types of ROM size. 16M

One is 32M, the other is 12M Check the Generic label on the ROM IC and select Correct size.

32M

19. Download Mode Select: Select the type of connection 4 Pin

15 Pin

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Plasma Control board ROM Update

tep 20 : Identifying the Step ype of Panel and Type of Type OM on the Control PWB ROM

50G1 Panel

42V6A Panel Identifying the Panel Type By the Silk Screen on the Control Board. Example of a 50G1, 42V6A and 50X3 Panel Control Board. 50X3 Panel

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Plasma Control board ROM Update

tep 21 through 22: Starting the Flash Down Program Step 21. Choose SVC ROM file 1) Click 2) Find SVC ROM file (*.Bin or *.Hex) Note: If a 42V5 or 6 panel is being upgraded, LGDP4022H must be checked.

After clicking Open, navigate to the “CTL PWB Software” folder. Then select the correct file in accordance to the Panel. As shown in the Excel Table. (Go to Table) The program should remember this folder after the first time used. But   please continue to check it is the right  folder each time program is used.

22. Update SVC ROM to CTRL Board 1) Click the Auto button to Begin the download process.

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Plasma Control board ROM Update

tep 23: Dow nloading the file to the Control Step Co ntrol board ROM

Clearing of the ROM file Happens first.

Writing to the ROM file happens 2nd.

22

Verify the downloaded file happens 3 rd.

The downloaded file was OK happens 4 th.

Plasma Control board ROM Update

tep 24: Comparing the Check -Sum um (Looking for a match) Step After Downloading, confirm Check Sum in the window matches the File Name Check Sum.

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Plasma Control board ROM Update

RRO R: Flash Down Program Doesn ’t Receive Acknowledgement ntrol Board ERRO Acknow ledgement for Co Control Possible Cause 1: When Mode select is wrong.

Possible Cause 2: When serial Clk Rate is too low. Try raising the value. (13 is recommended)

Possible Cause 3: Forgot to add 5V supply to Control PWB. Possible Cause 4: 15 pin or 4 pin Cable is not connected to Control PWB. Possible Cause 5: If USB Driver is not installed in your computer 

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Plasma Control board ROM Update

RRO R: Flash Down Program can ’t comm unicate with TV ERRO communicate If you select incorrect Flash ROM Size (32M and 16M), its possible the Check Sum would not match. Correct the Flash Size and click Auto again.

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Plasma Control board ROM Update

RRO R: Time Out, Can ’t receive information from the Flash ERRO RROR: No USB D ownload B/D Check Connection ERROR:

Control board not powered up. (Make sure you are using external 5V to keep Control board alive).

USB Cable not connected properly to the jig or Bad USB Cable.

Cables not connected properly to the  jig or the control board.

WARNING: External 5V MUST be supplied to the control PWB before beginning Download. Failure to do so, may cause a Corruption of the internal memory and the board will fail. If this happens, try applying external 5V and then re-downloading the software. Use the Stand-By 5V from the Power Supply. Make sure to disconnect the ribbon connector  from the Y-SUS to the Control board as well as any connections to the Z-SUS board.

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Plasma Control board ROM Update

RROR: Writing failed ERROR:

In this case, you need to change serial Clk rate. Normally 15 will give you success in ROM Downloading but some of computers will show an error with 15. If this happens, please use 13 as the Serial Clock Rate

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Plasma Control board ROM Update

INAL STEPS: CORREC TING THE PANEL LABEL WHEN RREQUIRED EQUIRED FINAL CORRECTING If the Excel chart indicated a modified Voltage Adjustment, it ONLY HAS TO BE DONE If after the ROM download there is still Mal-Discharge. If no Mal-Discharge is detected, Then modifying the voltage adjustment from the original voltage label is not necessary. As an example, the 50X4 panel shows the Vs and Vzb voltage must be changed After the software is updated. In this case, the Panel Label must the altered to Reflect the change so any Servicer following will know to adjust to a different value. Example pulled from the ROM Chart  No 19

Category 50XGA

50X4

Model

ROM Ver.

Check-sum

Voltage Adj.

PDP50X4####

50X4_3DA2K

AAC8

Vs(188), Vzb(95)

BEFORE

AFTER

Vs 188V 95V

Please use new values 28

Plasma Control board ROM Update