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Old 04-06-2021, 05:03 AM   #1
nabilgo
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Default dell cedar intel mb 13269-1 wont turn on

hi all

i have dell borad numb cedar intel mb 13269-1

the problme he's in stand by. but when i turn on he dosent turn on 3v 5v ok

programmed new bios and when i press the power boutton 3v gone from the

power boutton

Last edited by SMDFlea; 04-06-2021 at 05:05 AM.. Reason: Added "cedar intel mb 13269-1" to thread title
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Old 04-06-2021, 06:14 AM   #2
mcplslg123
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Default Re: dell cedar intel mb 13269-1 wont turn on

Check basic requirement of KBC first and post the measurements here.
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Old 04-06-2021, 06:35 AM   #3
techtiger
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Default Re: dell cedar intel mb 13269-1 wont turn on

What is the voltage on Q2402/3 all pins ?
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Old 04-06-2021, 02:50 PM   #4
nabilgo
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Default Re: dell cedar intel mb 13269-1 wont turn on

Quote:
Originally Posted by techtiger View Post
What is the voltage on Q2402/3 all pins ?
I GOT 3.3V AND 0v ON ONE PIN HE's good
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Old 04-06-2021, 10:37 PM   #5
mcplslg123
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Default Re: dell cedar intel mb 13269-1 wont turn on

@techtiger,PSL Logic is most likely working as he has 3/5V standby.
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Old 04-07-2021, 12:23 AM   #6
techtiger
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Default Re: dell cedar intel mb 13269-1 wont turn on

Quote:
Originally Posted by mcplslg123 View Post
Check basic requirement of KBC first and post the measurements here.
Check the kBC requirements as Mcplsg123 requests
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Old 04-07-2021, 04:39 AM   #7
nabilgo
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Default Re: dell cedar intel mb 13269-1 wont turn on

Quote:
Originally Posted by mcplslg123 View Post
Check basic requirement of KBC first and post the measurements here.
which requirement sir ?
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Old 04-07-2021, 07:14 AM   #8
Spider1211
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Default Re: dell cedar intel mb 13269-1 wont turn on

Look at page 97 of schematic, there is a 'power up sequence diagram'. Start with step -7, -6, -5, etc..
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Old 03-28-2022, 01:40 AM   #9
tech.mgr
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Default Re: dell cedar intel mb 13269-1 wont turn on

Quote:
Originally Posted by Spider1211 View Post
Look at page 97 of schematic, there is a 'power up sequence diagram'. Start with step -7, -6, -5, etc..
hello please can you help me i have same motherboard no power

after measurements i have 3.3v and 5.0v
psl-in2 which is 3.3 power button founded
kbc-aux-3.3 also founded
rtc voltage not founded
any advice
knowing that i already replace io and this io is not programmable
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Old 03-30-2022, 08:55 AM   #10
Spider1211
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Default Re: dell cedar intel mb 13269-1 wont turn on

Don't blindly replace parts, it can cause more harm than good.

Start with finding out why RTC voltage is missing. Do you have a power supply? It'll be helpful to know what the current draw is.
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