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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
Samsung UN32EH4003 Main Board Reset?

 

 


WHCMPRC
New User

Jun 10, 2016, 3:04 PM

Post #1 of 9 (8921 views)
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Samsung UN32EH4003 Main Board Reset? Can't Post

My Samsung LED TV model UN32EH4003FXZA has an Over the Air Station Search Loop (keeps repeating Chan 14 and can Not get out using Mute>1>8>2>Power On).

After much searching found "UnBricking TV by EEPROM Reset" https://wiki.samygo.tv/index.php5/UnBricking_TV_by_EEPROM_Reset

The TV Main Board Sticker is BN97-05375B 0078
L6 C 08/08/2012 20:56

Am trying to determine where the EEPROM Reset is on this Main Board?

While "UnBricking TV by EEPROM Reset" does have photos for many different Samsung TVs could Not find any similar to mine.

Searched using "BN97-05375B 0078" and found "Samsung BN94-06008X (BN97-05375B, BN41-01876B) Main Board"
http://www.shopjimmy.com/samsung-bn94-06008x-main-board-for-un32eh4003vxza.htm

Have done a number of searches to try find Samsung LED TV model UN32EH4003FXZA Service Manual but have found Nothing to date.

Appreciate any Suggestions!!!

Thanks

Ken



jts1957
Veteran


Jun 10, 2016, 5:37 PM

Post #2 of 9 (8913 views)
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Re: [WHCMPRC] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

Just replace the Main board - 10 In Stock $27.41ea.
http://www.shopjimmy.com/...r-un32eh4003fxza.htm


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Location: Far, Far Away


WHCMPRC
New User

Jun 17, 2016, 3:09 PM

Post #3 of 9 (8808 views)
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Re: [jts1957] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

jts1957,

Agree it is cost effective to just replace the main board but I started this as a "Learning Project" and really appreciate any help.

While I have little experience with digital LED TVs have repaired a number of PCs.

In most cases (except for "Bad Caps"and "Blown Power Supplies") the problem has been corrupted software (all these PCs had Windows).

Maybe I need to check with Samsung?

Do you have the email address for Samsung TV tech support?

Would like to ask where the EEPROM Reset is on the BN97-05375B 0078 Main Board.

Thanks

Ken


jts1957
Veteran


Jun 17, 2016, 5:11 PM

Post #4 of 9 (8796 views)
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Re: [WHCMPRC] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

SJ will usually have EEPROM shown under their list of boards for a particular model TV if they determine a need for it.

How are your surface mount desoldering & soldering skills?

The only EEPROM resets I know of are either exchanging IC or reprogramming (requires an EEPROM reader/writer and a known good EEPROM from another TV whose model/board/version matches yours). Many sets have resets to return settings to either a preset point (Customer control settings for example) or to a starting point (Factory reset).

EEPROMS are listed at Samsung parts distributor HERE. People seldom give full model number, let alone version.


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Location: Far, Far Away


WHCMPRC
New User

Jun 17, 2016, 6:44 PM

Post #5 of 9 (8793 views)
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Re: [jts1957] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

jts1957,

"How are your surface mount desoldering & soldering skills?" As a beginner would not try!
Can connect wire to EEPROM reset holes.

Found video "samsung smart TV D5700 eeprom reset, bootloop, boot schleife, factory reset" https://www.youtube.com/watch?v=DDzOSdfA41s M_E_Reset and M_E_SDA were connected for the samsung smart TV D5700 eeprom reset.

Checked the BN97-05375B 0078 main board with a magnifying glass and found M_E_SDA but did not find M_E_Reset hole.

Did find CN901_DEBUG and wonder if it is the EEPROM Reset is on this Main Board?

Is it possible to attach a photo of it? If yes what is the max size?

Appreciate comments.

Ken


WHCMPRC
New User

Jun 17, 2016, 6:55 PM

Post #6 of 9 (8791 views)
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Re: [jts1957] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

jts1957,

Checked the link you provided to https://www.encompassparts.com/model/SMGUN32EH4003FXZA/EH01/_/Samsung/UN32EH4003FXZA/32-INCH_CLASS_LED_720P_HDTV but could not find a BN97-05375B main board.

Ken


jts1957
Veteran


Jun 17, 2016, 7:11 PM

Post #7 of 9 (8789 views)
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Re: [WHCMPRC] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post


In Reply To
jts1957,

Checked the link you provided to https://www.encompassparts.com/model/SMGUN32EH4003FXZA/EH01/_/Samsung/UN32EH4003FXZA/32-INCH_CLASS_LED_720P_HDTV but could not find a BN97-05375B main board.

Ken


That's because you are insisting on using the WRONG identifier. NOTE the highlighted in purple number on one of the bar code stickers in picture (http://www.shopjimmy.com/...r-un32eh4003fxza.htm) and 'BN94' type part numbers: Substitute Parts: BN94-06901T, BN94-06696Q, BN96-27226A, BN96-25775A, BN94-06008X, BN94-07925H, BN94-06008A, BN94-06901W
Some of THOSE numbers ARE listed in Encompass. NOTE: they most likely may be variant specific.

For CH01 variant ... https://www.encompassparts.com/...8A/Assembly_Pcb_Main


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Location: Far, Far Away

(This post was edited by jts1957 on Jun 17, 2016, 7:20 PM)


WHCMPRC
New User

Jun 20, 2016, 4:24 PM

Post #8 of 9 (8774 views)
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Re: [jts1957] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

jts1957,

"...you are insisting on using the WRONG identifier." Thats because I am a beginner and thought it was the correct identifier. Thanks for your detailed explanation!!!

Would you please comment on this

IC_901_16M was told is the eeprom. the sticker reads 6829A
1001.0
070812
CP TL1

Would be glad to attach a photo if tell how.

How do I find the data sheet for this IC?

Thanks again for your patience and help!!!

Ken


jts1957
Veteran


Jun 20, 2016, 5:10 PM

Post #9 of 9 (8772 views)
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Re: [WHCMPRC] Samsung UN32EH4003 Main Board Reset? [In reply to] Can't Post

WRONG IC - Why need picture? Shop Jimmy link (above) already has your board pictured - left click on picture to enlarge & then left click over area desired for an even larger view.

You had the necessary info at YOUR first link:
"Where do I find the SoC EEPROM chip?
Its located near CPU (SoC) at C and D series. On top, it writes some numbers and letters starting with 24256 or 24512... Here I place some screen shots from D series bellow. In my TV, 24512 EEPROM chip used. You can get the 24512 Chip Datasheet here. In picture, white triangle shows the first pin."

EEPROM = HERE




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Location: Far, Far Away

(This post was edited by jts1957 on Jun 20, 2016, 5:25 PM)

 
 
 


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