Sony PFM-42X1 - User Manual

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FLAT PANEL DISPLAY

PFM-42X1

PFM-42X1N

COMPONENT/RGB ACTIVE THROUGH ADAPTOR

BKM-V12

SPEAKER SYSTEM

SS-SP20B

SS-SP20S

REMOTE COMMANDER

RM-971

SERVICE MANUAL

1st Edition

Table of Contents

Questions and Answers

M
Maria JimenezAug 18, 2025
How to fix a Sony PFM-42X1 Flat Panel TV when no picture appears on the screen?
- P
  Patricia RiddleAug 18, 2025
  If your Sony Flat Panel TV screen is black, or the power is off, and no picture is displayed, try these steps: Verify the CTRL B/D LEDs (D10, D11, D12, D13, D17) are on. Inspect the power and signal cables of the CTRL B/D. Ensure the X B/D, Y B/D, and Z B/D are securely plugged in and properly connected to the CTRL B/D. Use an oscilloscope (200 MHz or more) to measure the output wave of the X, Y, and Z B/D to identify board issues. Check the SCAN (Y side) IC and the DATA (X side) COF IC. As a last resort, replace the CTRL B/D.
S
Stacey AdamsAug 20, 2025
What to do if my Sony PFM-42X1 Flat Panel TV screen has vertical lines with a regular gap?
- P
  Patricia McmahonAug 20, 2025
  If your Sony Flat Panel TV screen displays vertical lines with regular gaps, the control B/D likely has a problem. The suggested solution is to replace the control B/D.
J
Jessica MarksAug 23, 2025
What to do if 4/7 or 3/7 of the screen is not displayed on Sony PFM-42X1?
- H
  howellseanAug 23, 2025
  If a portion of your Sony Flat Panel TV screen (4/7 or 3/7) is not displaying, check if the power connector of the X B/D corresponding to the blank screen portion is securely connected. Also, verify the connection between the CTRL B/D and the X B/D for that screen area. If issues persist, replace the corresponding X B/D.
J
Jeremy WhiteAug 26, 2025
How to fix one or several horizontal lines on Sony Flat Panel TV screen?
- C
  Christopher FinleyAug 26, 2025
  To fix one or several horizontal lines on your Sony Flat Panel TV screen, replace the Y DRV B/D.
S
Sonia IngramAug 28, 2025
What to do if Data COF is not shown on my Sony Flat Panel TV screen?
- C
  coopermatthewAug 28, 2025
  If the Data COF is not showing on your Sony Flat Panel TV, the issue often lies between the Data COF and the X B/D. Check to ensure the Data COF and the corresponding X B/D are securely connected. Also, inspect the Data COF for any damage and consider replacing the X B/D.
F
fleeAug 30, 2025
Why is my Sony PFM-42X1 screen dim even though it displays an input signal?
- S
  Stephanie MilesAug 31, 2025
  If your Sony Flat Panel TV displays an input signal pattern but the brightness is low, it indicates a failure in the Z B/D operation. Check the power cable of the Z B/D. Also, check the connector that connects the Z B/D and controller B/D. If the issue persists, consider replacing the controller B/D or Z B/D.
J
Jill SmithSep 2, 2025
How to fix regular stripes on Sony Flat Panel TV that correspond to Data COF ICs?
- A
  Alexander ShawSep 2, 2025
  If your Sony Flat Panel TV displays stripes corresponding to the area of one Data COF IC, check the connection connector of the X B/D that corresponds to the unusual screen to ensure it is securely connected. If problems persist, replace the corresponding XB/D or CTRL B/D.
A
Antonio HendrixSep 4, 2025
What causes an unusual pattern corresponding to the Data COF IC unit on Sony PFM-42X1?
- J
  Jesse RodriguezSep 4, 2025
  If your Sony Flat Panel TV shows an unusual pattern corresponding to the Data COF IC unit, check the connection of the Data COF connector. You may also need to replace the corresponding X B/D. Check the connector that connects the CTRL to the X B/D. If problems persist, replace the corresponding XB/D or CTRL B/D.
T
Troy AliSep 7, 2025
Why is the center of my Sony PFM-42X1 screen darker than the edges on a full white pattern?
- J
  Janice LinSep 7, 2025
  If the center of your Sony Flat Panel TV screen is darker than the edges when displaying a full white pattern, it suggests a failure in the Z B/D. Check the connection cable between the Z B/D and CTRL B/D. If the problem continues, replace the Z B/D.
D
Dustin AlexanderSep 9, 2025
How to troubleshoot a Sony PFM-42X1 Flat Panel TV when the scan FPC has a problem for screen display?
- M
  Michele ThomasSep 9, 2025
  If the scan FPC is causing display problems on your Sony Flat Panel TV, there might be an issue between the Scan FPC and Y B/D. Check the connection between the Y B/D and Scan FPC. If the Scan IC has a failure, replace the Y DRV B/D.

Sony PFM-42X1 Specifications

General

Brand	Sony
Model	PFM-42X1
Category	Flat Panel TV
Language	English

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