Panasonic TH-37PX50U, TH-42PD50U, TH-42PX50U Service Manual

Panel Replacement Procedure

TH-37PX50U

TH-42PD50U

TH-42PX50U

Plasma Panel Replacement Report Form Instructions

Requesting a Panel

1- Contact the Technical Hotline at 1-800-743-2335 2- Provide your account number 3- Provide the unit’s model and serial numbers 4- Confer with the Hotline agent, who will assist you

in troubleshooting and provide you with an authorization number.

5- When possible, email a picture of the symptom or

a draft of the panel report.

Report Completion:

Before Removal of Defective Panel:

Note: The report is equipped with pop-up comment fields to guide you. Instructions 1 through 30 below provide additional details.

1. Skip all the fields above the "Symptom" box, and all other gray shaded areas.

2. In the "Symptom" box indicate the defect as noticed or as indicated by the customer.

3. Enter the customer's information in the appropriate fields.

4. In the "Work Order #" field, indicate your Work Order #.

9. Paste a digital image of the symptom in the "Picture of Symptom" box or attach the picture to the email sent to the Technical Hotline. Select the “Settings” and “Connections” by deleting those conditions that do not apply to the symptom picture.

10. Picture Mode: If the defect does not appear in all picture modes, the panel is not defective.

11. Aspect: If the defect does not appear in all "Aspect" modes, the panel is not defective.

12. White Balance: If the defect does not appear in all White Balance modes, the panel is not defective.

13. Signal Format and Signal Source: If the defect does not appear in all signal formats supplied from any source, the panel is not defective.

14. Please complete all the Servicer informa t ion fields.

15. From within the service mode, extract the number of cumulative hours of operation, and the On/Off times. Fill in the appropriate spaces. Refer to the service manual for instructions about the service mode.

5. In the "Model #" and "Serial #" fields, enter the numbers as they appear on the back of the unit.

6. Fill in the "Panel’s serial number code" as indicated on the label located on the back of the panel. If the label resembles the depiction in fig. 1A, the code is the three-digit number "2.1.3" at the bottom of the label. If it resembles the depiction in fig. 1B, the code is the date at the top of the label “JUL 2003”.

7. Enter "Date of Purchase" and "Date Service Requested".

Fig. 1A

8. Enter the authorization number supplied by the Hotline agent in the "Authorization #" field.

Fig. 1B

16. Verify the warranty repair status. Delete the inappropriate status and then enter your name next to "Confirmed by".

17. Skip the "Defective Parts Return Status" until the repair is complete.

18. Skip the box labeled "Arrival Condition" (gray shaded area)

19. In picture placeholder 1 on the top center of the report, insert a clear digital picture, showing the serial number label of the unit being serviced. The serial number must be legible.

20. In picture placeholder 2, insert or attach a picture, showing the serial number label of the panel. Refer to figure 1. (The panel label is visible only after the back cover of the unit is removed.) The serial number must be legible.

21. In picture placeholder 4, insert a picture of the defect as it appears when the Green and Blue fields are turned off, and only the Red field is active. (See the service manual of the unit for instructions.)

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22. In picture placeholder 5, insert or attach a picture of the defect as it appears when the Red and Blue fields are turned off, and only the Green field is active. (See the service manual of the unit for instructions.)

23. In picture placeholder 6, insert or attach a picture of the defect as it appears when the Red and Green fields are turned off, and only the Blue field is active. (See the service manual of the unit for instructions.)

24. In the "Comments" section, describe the special circumstances, troubleshooting and any repairs attempted.

How to Insert an Image in a Picture Box

Capture all images with a digital camera, using a resolution high enough to show the desired details in each image, but not excessively high, resulting in excessive file sizes. ISP bandwidth and mailbox sizes are often insufficient to accommodate large files.

1. Click a picture box in the form.

2. From the menu, click "Insert" from Excel's menu*. A scroll-box appears.

25. Save the Excel Workbook under a new name using the customer's last name and the date. (Example: "Smith 091703.xls")

After Replacing the Panel

26. The defective panel must be shipped to the address provided on the prepaid return label included with the replacement panel. Please follow the instructions carefully.

IMPORTANT: Defective panel must be

returned to Panasonic before parts warranty reimbursement can be made.

27. After shipping the defective panel to the address indicated on the label and as per instructions packaged with the new panel, complete the report by deleting the word "NO" next to "Returned", leaving the "YES" in the "Defective Parts Return Status" box. Enter the name of the person confirming the shipment, the carrier information, and the tracking # in the appropriate spaces.

3. From the scroll-box, select "Picture". Another scroll-box appears.

4. Click "From File". An Explorer window opens.

5. Select the desired file.

6. Click "Insert".

7. If the picture is larger or smaller than the box in the form, click a corner of the image and drag to resize.

* Use the "insert" function from Excel's "Insert" menu, not from the "Insert" available by right-clicking. When using Windows' right-click function, a picture file copied to the clip-board cannot be inserted or pasted, unless the image itself (the file contents) is copied to the clip-board.

Click here to open the Plasma Display Panel Replacement Report form (for viewing)

Click here for an example of a completed Plasma Display Panel Replacement Report

28. When the repair is complete and the defective panel shipped, complete the remainder of the report by entering the "Date Completed".

29. Review the report for completeness. Then email the report to the appropriate address listed on the bottom of the report.

30. When a completed report, with the six pictures is received by the Hotline, and the defective panel is returned, an additional $100.00 will be credited to warranty claim.

Revised 11/22/2005

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Plasma Display Panel Replacement Report

(Panasonic use only)

Company:

Panel Warranty: YES NO

Reporter: Fax:

Symptom:

Black bar, top center screen, halfway down.

Panel Serial No. Code:

Picture of Symptom:

mode must be attached here or attached

Telephone: E-Mail:

Customer Name:

Cust Address:

City / State / Zip:

Work Order # :

Model # :

Serial # :

This picture is for

A picture of the symptom as it

illustration only;

appears in normal operation

do not copy and

use in your panel

to the email with the report.

Servicer's Name:

Address:

City / State / Zip:

Telephone: Fax # : E-Mail:

Operation Time: Hours: 105

Warranty Status:

Defective Panel

Return Status:

report.

Contact:

PASC / PBTSC

John C. Consumer 123 Main St. Anytown, CA 98765 11-562485-00 TH-42PX25 YJ1520161 YJ1520161

Service Center John M. Servicer 563 Timbuktu Drive New Town, CA 98764

574.123.4567

YES

Returned:

Carrier: World Shippers

Confirmed by:

YES

Replacement Date:

Report Date:

Date Service Requested:

Picture Mode:

Aspect:

White Balance:

Manual W/B:

Signal

Signal Source:

NTSC VGA/SVGA

Format: RGB

CTV PC DVC

Other

574.123.4568

John M. Servicer

Confirmed by:

Date of Purchase:

Date Completed:

Authorization # : 0118795487

Dynamic Normal

AUTO

ZOOM1

WARM

CONNECTION

PAL/SECAM

COMPONENT

VCR STB

Tracking # :

November 30, 2005 December 27, 2005 January 6, 2006

SETTING

Account # :

Power ON/OFF Times:

JUST

ZOOM2

NORMAL

OFF

PAL60

ALL

DVD

ALL

0054321-0012

JohnServicer@Provider.co

John M. Servicer

A1ZT546584525478

4:3

16:9

COOL

1- Serial Number of Unit

This picture is for

Pictures

illustration only;

Picture of the serial number of the

unit must be attached here or attached to

The unit serial number must be legible.

2- Serial Number of Panel

do not copy and

use in your panel

the email with the report.

report.

This picture is for

illustration only; do not copy and

Picture of the Serial Number of the

defective panel must be attached here or

use in your panel

report.

attached to the email with the report.

The panel serial number must be legible.

3- Factory Use Only

( Factory Use Only )

4- Red Screen

This picture is for

A picture of the defect in Red Screen mode

must be attached here or attached to the email with

5- Green Screen

illustration only; do not copy and

use in your panel

the report.

report.

This picture is for

illustration only;

A picture of the defect in Green Screen mode

must be attached here or attached to the email with

6- Blue Screen

do not copy and

use in your panel

the report.

report.

This picture is for

A picture of the defect in Blue Screen mode

must be attached here or attached to the email with

illustration only; do not copy and

use in your panel

the report.

report.

ARRIVAL CONDITION ( Factory Use Only )

DATE: COURIER:

International Operation Department Television System Products Division Plasma Display Division Matsushita Electric Industrial Co., Ltd. AVC company Matsushita Electric Industrial Co., Ltd.

PASCTECHHOTLINE@US.PANASONIC.COM

1-1 Matsushita-Cho, Ibaraki, Osaka 567-0026 JAPAN 1-1 Saiwai-cho Takatsuki, Osaka 569-1193 JAPAN Tel 81-726-24-7743, Fax 82-726-22-8205 Tel 81-726-82-6647, Fax 81-726-82-6679

** Gray shaded areas are for Panasonic's use only

CONSUMER MODEL E-Mail this report to:

Panasonic Technical Hotline

50 Meadowlands Parkway 2B-6

Secaucus, NJ 07094

(800) 743-2335

PANEL SERIAL # : SYMPTOM:

Plasma Sales Group

BROADCAST MODEL

E-Mail this report to:

PEEKJ@US.PANASONIC.COM

Panasonic Broadcast & Television Systems Co.

50 Meadowlands Parkway 2A-4

Secaucus, NJ 07094

(201) 392-4355

Comments - Describe special circumstances, troubleshooting and repairs attempted:

Replaced the "C' board.

Form PR-20051201

PANASONIC SERVICES

SERVICE ADMINISTRATIVE BULLETIN

COMPANY

50 Meadowland Parkway

Secaucus, New Jersey 07094

SUBJECT: PLASMA PANEL

REPLACEMENT – ADDITIONAL HANDLING

CHARGE REIMBURSEMENT

NUMBER: 05-11-005

SERVICE POLICY

DEPARTMENT

DATE: November 22, 2005

BACKGROUND:

In the effort to continuously improve the performance of our products, we need your cooperation in completing the PDP report, e-mailing digital pictures and returning the defective panel. PASC recognizes the additional time to perform these tasks so we will be adding $100 to the warranty claim at the time of processing to compensate for the extra time and to show appreciation for the extra efforts in assisting Panasonic in improving the quality of our product offerings.

POLICY & PROCEDURES:

1. This is effective as of December 1, 2005

2. This policy applies to all B34 servicers authorized to replace the Plasma panels.

3. The servicer will take 6 digital pictures of the defective panel showing the following:

x The symptom x The serial number of the unit x The serial number of the defective

x The red screen x The blue screen x The green screen

panel

4. The servicer will complete a PDP report, which details the problems with the panel. The report is available in PASS from the Technical Resource Center:

x Log in to PASS x Go to Technical Resource Center x Click on CONTINUE x Click on VIDEO x Click on PLASMA x On the right side, go the box: SERVICE POLICIES AND RELATED FORMS x Click on PLASMA PANEL FIELD REPORT x This will take you to the instructions and the PDP report.

5. The PDP report and the pictures are to be e-mailed to:

pasctechhotline@us.panasonic.com

6. Warranty Claims will verify that the PDP report and the digital pictures have been received, as well as the defective Plasma panel.

7. Upon verification of receipt of all 3 items, Warranty Claims will add the $100 additional handling charge to the claim in the “Other” field.

IMPORTANT NOTE:

The $100 will NOT be added to a claim unless ALL 3 items (the completed PDP report, the required 6 pictures and the defective panel) are returned to PASC.

Unpacking and Repacking the Plasma Panel

Panel Replacement Precautions

Handling

Use extreme care when handling the Plasma Display Panel. Due to the size and fragility, it is recommended that two individuals handle the Plasma Panel to avoid accidental damage.

The glass used in the plasma panel is thin, and its structure is extremely susceptible to impact. Rough handling of the unit can crack the glass or cause pixel defect errors. Be sure to transport the panel in the upright position. The unit is designed to absorb force vertically not horizontally.

Numerous flexible printed leads with extremely soft structure are used around the panel. Be very careful during handling not to damage these by pulling, bending, or subjecting them to excessive force. When inserting a ribbon cable into a socket, verify that the cable is straight. Angled insertion can create an electrical short circuit and permanently damage the panel.

High Voltage

Plasma Display Panels use a high voltage power supply. Disconnect the AC from the unit and wait one minute for the voltage to dissipate.

Static

Anti-static measures should be applied, especially when connecting and disconnecting the ribbon cables.

Scratches

A protective sheet is attached to the back of the replacement panel to prevent scratches and accumulation of debris. Be sure to remove the protective sheet and wipe the surface with a soft cloth before installation.

Assembly

A low torque setting is recommended when installing screws in the panel assembly.

Preparation of the new panel

1) The replacement panel is shipped in a special

shipping crate. Retain this crate to return the defective panel.

Page 1 of 2

Figure 1

2) Carefully remove the top of the crate,

remember you will have to reuse the crate to return ship the defective panel. Slide the panel out the opened end.

Figure 2

3) The replacement panel is packed in an

escutcheon frame and a cardboard panel. Protective cushioning surrounds the panel. These items must be saved and used to return the defective panel.

Figure 3

4) Remove the four screws that secure the protective cardboard on the new panel.

Place the protective cardboard aside.

Figure 4a

Unwrap the protective packaging from the new panel.

Important Note:

The new panel comes with the “C” boards preinstalled. However, the jumper ribbon cables that connect the “C” boards may not be included. Check for board jumpers. If missing, remove them from the old panel and transfer them to the new panel.

5) Reverse the order of the steps listed above to repack the defective panel for

return shipment to Panasonic.

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Figure 4b

Figure 5

Agenda

Equipment List Panel Handling Preparation of New Panel PCB Description Disassembly and Reassembly Procedure Lead Dressing Adjustment ( Driver Setup) Procedure Adjustment (White Balance) of GP8DU Chassis) Adjustment (White Balance) Procedure of older Panels Examples of Defective Panels

Equipment List:

Electric Screwdriver (Part # EY6220B or equivalent) Digital Volt Ohmmeter Oscilloscope Isolation Transformer Anti-static 5 foot by 4 foot foam cushioning Plasma Stand (Part # TY-ST05K or equivalent) Screw storage bin Large flat work area Colorimeter for white balance adjustment (Sencore CP288 or

equivalent) Video Signal Generator capable of providing NTSC, 480p, 720p and

1080i with adjustable brightness levels. (Sencore VP300 or equivalent)

Page 1

Handling Precaution

Thin Glass = Susceptibility to impact

Rough Handling = Cracked glass or pixel defects

Improper Transportation = Unit should always be in the upright

position.

Leads or Ribbon Cables = No pulling, no bending, no excessive force

 Ribbon cables must be straight when inserted into sockets. Angle

insertion can create an electrical short circuit.

Anti-static measures must be applied when disconnecting and connecting ribbon cables.

Electric screwdrivers must have low torque setting to avoid damaging the panel.

Page 1

Preparation of the New Panel (1)

Page 2

Preparation of the New Panel (2)

Preparation of the new Panel (2)

Caution: Use extreme care when handling the Plasma Display Panel. The glass used in the plasma panel is thin, and its structure is extremely susceptible to impact.

Page 3