Samsung HCM4216W 42" Rear Projection Television Logo

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Vern Redel Posted on Mar 05, 2007
Answered by a Fixya Expert

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Samsung HCM4216W Power Problem

I have a Samsung HCM4216W TV and it now won't respond when I press the power button. The "timer" light blinks for a short while before it too, quits. Could ther be a fuse to replace or is this more serious. I cannot say what it did before this. My brother bought it used. Thanks in advance. Vern

  • clstar Nov 06, 2007

    the timer light blinks 10 times but no picture.

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  • Master 934 Answers
  • Posted on Dec 10, 2007
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Joined: May 22, 2007
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Vern,
The most common problem for those symptoms are convergence amps. That unit takes two stk392-040 Sanyo Ics and will most likely require that several low ohm resistors (3.9 ohm-2w) be tested and possibly replaced.. There is one last thing also, a pico fuse at Fd102 (3.5a) that sometimes opens and would need to be replaced..
The convergence board in these is easily removed, so an in-house service call could be done...
Hope this helps!
Bill

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Samsung LN26A450 screen won't work

Your model Samsung falls under a class actions settlement. These units have defective power supply boards and Samsung has agreed to pay for the repair / replacement of the boards at no cost to the user even if the unit is out of standard warranty. This sounds like the issue with your TV. Here is a link with additional information about the settlement and how to get the warranty work completed.

http://www.ccl-la.com/blog/index.php/samsung-has-reached-a-settlement-in-class-action-lawsuit-over-faulty-tv-power-supplies/
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Flashing green light

Did you try this yet

SYSTEM RESET
If the TV will not respond to either the remote control
or the front panel controls and/or will not power Off,
press the SYSTEM RESET button with a pointed item
like the end point of a paperclip. The TV will turn Off
and the TIMER light will flash quickly for about one
minute. When the TIMER light stops flashing, you may
turn on the TV again. Changes you made the last time
the TV was On before you used the SYSTEM RESET
button may be lost, however, the changes you made
previously are not lost.
POWER/TIMER Indicator
The green light is a multi-function indicator. This light
will flash rapidly for about one minute each time the TV
is plugged into the wall electrical outlet, when power
is restored after a power failure, or using the SYSTEM
RESET button. Do not attempt to turn on the TV again
during this period. Wait for the flashing to stop and
the light to turn off, before attempting to turn the TV
on. While the TV is powered on, the light illuminates
steadily. If the TV has been programmed to turn on
automatically using the Timer feature,
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1answer

Turns on, no picture or sound, light blinks 5X, reboots itself

First thing is to check the lamp. you can easily change this yourself.
0helpful
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Timer light blinks on and off and tv wont turn on

Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.
If ever resetting is no effect then the problem is in the "DM board"
The constant blinking green light means that the TV is not booting up. This is a common problem on this set. Hope it may help you; Regards, VOTIT
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Timer Light.

according to the book hcm4216w says ti will blink 10 times when turned on then then iluminate when on
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Red blinking light

It's most likely convergence -- the small board up and to the right inside the back of the TV, which has two large amp Ic's attached to it..
Unplug the +/- 20v line on the fron left corner of that board (red in color) and then try and power on the set... If the set comes on the board needs to be repaired and it's an easy unplug and two screws that mount it inside.
Bill

Premium Technologies
PO Box 442
LOng Beach, WA. 98631
360-641-4993
[email protected]
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TV turns off by itself (not timer issue)

Probable bad green CRT. Also, look for coolant leak from
CRT onto PCB.......T
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