Question about Sony PFM-42B1 42 in. HD-Ready Plasma Television

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Scan lines missing

My plasma monitor works, but it appears that I'm now only seeing every other scan line.  Did something burn out?  It's not the DVD player and it's not the cable from the DVD player.  I've checked these. Even when the screen, without input, is in the blue mode, there appears to be lines of information missing. Help!

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  • fijitime Feb 11, 2008

    I live in the Fiji islands where a service call would run into even more serious dough, since there are no local experts in these sort of repairs. Is there a specific board that can be replaced to correct this video drive issue? The monitor has not been under warranty for a couple of years.

  • fijitime Feb 11, 2008

    I have removed the back before, to replace fans which seem to go out every year or so. Which board is the video drive board?  Is it labeled like that?  Thanks for your help.



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Here are some stats about these tv's.
These stats mention "line doubling" technology.
If you would like a repair manual, I cansee if there is one available.

Product Information Sony PFM 42B1E


Product Type: Plasma panel - colour

Width: 103.3 cm

Depth: 8.3 cm

Height: 63.1 cm

Weight: 29.4 kg

Available Body Colours: Silver, grey

Technology: Plasma (PDP)

Diagonal Size: 42"

Resolution: 1024 x 1024

Image Aspect Ratio: 16:9

Widescreen Modes: Conventional 4:3, Wide Zoom, Zoom, 16:9, letterbox

Image Contrast Ratio: 500:1

Viewing Angle: 160 degrees

Pixel Pitch: 0.9 x 0.51mm

Brightness: 550 cd/m2

Display Menu Language: English, German, French, Italian, Spanish, Japanese

Colour Temperature Control: Yes

Features: Progressive scanning (line doubling), on-screen menu, screen saver
Video features

SDTV Compatible: Yes

HDTV Compatible: Yes

Closed Caption Capability: Yes
Remote control

Type: Remote control - infrared
Audio system

Sound Output Mode: Stereo Manufacturer's product description
This thinnest-ever monitor from Sony, with a depth of just 83mm, has a 42-inch screen of 16: 9 aspect ratio and a razor-sharp image at 1024 x 1024 pixels. It can be installed vertically or horizontally and comes in a new stylish design. The plasma monitor's ultra-slimness provides for both ease of portability, weighing in at only 29.4kg (64lb 11oz), and wider viewing angles, making it ideal for professional information display or advertising purposes - at exhibition centers, airports, health clubs, offices, banking halls, shopping malls or museums. But it is also expected to be in great demand by home users as an integral part of the next-generation TV revolution, where both its high-resolution viewability and its space-saving practicality as a household appliance. It can be unobtrusively installed on the wall or on a stand or hung from the ceiling - making it a perfect partner for the new technology. And what better screen for a home theatre? The PFM-42B1E uses a high-resolution flat panel with 1024 x 1024 pixels at 16: 9 ratio. It complies with HDTV signal format without any picture-quality loss. Achieving excellent brightness and contrast, it produces sharp, detailed images in rich, natural colors. The PFM-42B1E can accept a variety of signal sources, ranging from the standard video to HDTV/DTV and computer signals up to UXGA. A built-in high-performance scan converter ensures optimum image quality with exact pixel sampling from the original input source. Self-diagnosis alarm can be confirmed on the status menu, service code indicator or via the RS-232C port. It supports a safer operation for professional-information monitor use.

Connector Type:
2 x VGA input ( 15 PIN HD D-Sub (HD-15) ) - rear
2 x audio line-in ( mini-phone stereo 3.5 mm ) - rear
1 x audio line-out ( mini-phone stereo 3.5 mm ) - rear
1 x serial ( 9 PIN D-Sub ) - rear

Power Device: Power supply - integrated

Posted on Feb 11, 2008

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Wow..that's most definitely a video drive error. 1. Check to see your settings are good still. It's not out of the realm of possibility that something glitched in the settings. 2. Missing information is a video drive issue, period. I'd suggest that you have a video board that's truly unhappy. Is this still under warranty? Hope so, since these service calls can run some serious dough.

Posted on Feb 11, 2008

  • 1 more comment 
  • Patrick Michaels
    Patrick Michaels Feb 11, 2008

    Maybe..I'd look to Taiwan or those places online, to find that board. To do that, you'd need the actual part number from the board, which can only be found, by removing the back panel of the tv(not that difficult, but make certain to keep your screws handy, since I'm sure the hardware stores on Fiji don't stock them, right?)...I'm on furthest west island of Hawaiian islands, so we're almost neighbors, no?

    Thanks for the FixYa vote of confidence.

    Got backup?

  • Patrick Michaels
    Patrick Michaels Feb 11, 2008

    look what I found..


    from the Sony global service site. Don't know if that's still current, but that's what SONY is telling folks. I'll bet that these guys have some service folk on the string, so to speak.

  • Patrick Michaels
    Patrick Michaels Feb 11, 2008

    yes..that board would have a title, called video board, most likely along one edge. However, you may wish to find out, from that reference I gave you, if there is a replacement part in Fiji, before taking that back off.


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