Hi All,
Anyone know what ic(U1) is that? Phisical p/n :9hHDMH
Or any equivalent ic that i can use?
Anyone know what ic(U1) is that? Phisical p/n :9hHDMH
Or any equivalent ic that i can use?
Attached Files
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Last edited by vampy999; 12-03-2020, 07:49 PM. -
Re: Solar led chipset
It does not seem to be a good part number
Is there anything else on this ic chip9 PC LCD Monitor
6 LCD Flat Screen TV
30 Desk Top Switching Power Supply
10 Battery Charger Switching Power Supply for Power Tool
6 18v Lithium Battery Power Boards for Tool Battery Packs
1 XBox 360 Switching Power Supply and M Board
25 Servo Drives 220/460 3 Phase
6 De-soldering Station Switching Power Supply 1 Power Supply
1 Dell Mother Board
15 Computer Power Supply
1 HP Printer Supply & Control Board * lighting finished it *
These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%
1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
2 Hem Saw Computer Stack Board
All of these had
CAPs POOF
All of the mosfet that are taken out by bad caps -
Re: Solar led chipset
Hi SAM,
Only that model no. can be found on physicalComment
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Re: Solar led chipset
That number does not look right, it may be custom IC. Did you try cleaning the top of the IC to see if you can see anything else on top of the IC? Any way, what is the board not doing?Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Solar led chipset
The "LED light cannot power on due to this IC faulty and i can't find any part number on top of the IC.Comment
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Re: Solar led chipset
I see an IR receiver module, so the IC must be a microcontroller with custom firmware.Comment
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